Abstract

A porous membrane laminate according to one aspect of the present disclosure has one or more porous membranes containing polytetrafluoroethylene as a main component, wherein the porous membrane laminate satisfies a following formula (1): A porous membrane laminate according to one aspect of the present disclosure has one or more porous membranes containing polytetrafluoroethylene as a main component, wherein the porous membrane laminate satisfies a following formula (1): P / γ > - 31.6 × ln ⁢ Ra + 168 ( 1 ) A porous membrane laminate according to one aspect of the present disclosure has one or more porous membranes containing polytetrafluoroethylene as a main component, wherein the porous membrane laminate satisfies a following formula (1): P / γ > - 31.6 × ln ⁢ Ra + 168 ( 1 ) wherein P is an average bubble point [kPa]; γ is a surface tension [dyn/cm] of a test liquid used in measurement of the average bubble point; and Ra is a surface roughness [nm] of the porous membrane, and 14 nm≤Ra≤96 nm.

IPC Classes  ?

• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 61/14 - UltrafiltrationMicrofiltration
• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene

Abstract

A porous membrane according to the present disclosure includes polytetrafluoroethylene as a main component, wherein a melting curve obtained in a first run of differential scanning calorimetry at a rate of temperature increase of 10° C./min has an endothermic peak in a range of 300° C. to 360° C., and a difference between an onset temperature and an endset temperature of the endothermic peak is 20° C. or less.

IPC Classes  ?

• B01D 71/36 - Polytetrafluoroethene
• B01D 46/54 - Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/12 - Composite membranesUltra-thin membranes

Abstract

A heat shrinkable connection component according to one embodiment of the present disclosure is used for the purpose of connecting an insulated wire that is obtained by covering a conductor with an insulating layer. This heat shrinkable connection component is provided with a heat shrinkable tube that has a melting point of 210° C. to 250° C. and a pair of sealing parts that are arranged on the inner circumferential surfaces of both end parts of the heat shrinkable tube; and the sealing material of the sealing parts has a shear viscosity of 1,000 Pa·s to 2,000 Pa·s at a shear rate of 100/s at 250° C., and a shear viscosity of 7,000 Pa·s to 70,000 Pa·s at a shear rate of 0.01/s at 215° C.

IPC Classes  ?

• H01R 4/72 - Insulation of connections using a heat shrinking insulating sleeve
• H01R 43/00 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors

Abstract

A hollow fiber membrane module according to an aspect of the present disclosure comprises: a hollow fiber membrane bundle that has a plurality of hollow fiber membranes aligned in one direction; a housing that accommodates the hollow fiber membrane bundle; and a potting portion provided around both ends or one end of the hollow fiber membrane bundle, in which space between an outer surface of the hollow fiber membranes and an inner surface of the housing is filled with a potting agent, wherein each of the hollow fiber membranes has a body portion, and an enlarged-diameter portion provided at both ends or one end of the body portion and having an inner diameter enlarged as compared to the body portion, and the enlarged-diameter portion is buried in the potting portion.

IPC Classes  ?

• B01D 63/02 - Hollow fibre modules
• B01D 69/08 - Hollow fibre membranes
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms

Abstract

This porous film contains a polytetrafluoroethylene as a main component. The porous film has Gurley seconds and an average bubble point. The Gurley seconds and the average bubble point satisfy the relationship of formula 1 or formula 2.　Formula 1: G1 < 0.035×P1a, formula 2: G1 < 0.020×P1b. In formula 1 and formula 2, G1 is the Gurley seconds of the porous film. In formula 1, P1a is the average bubble point of the porous film. P1a is measured using a bubble point method in which a first a liquid is used. The surface tension of the first a liquid is 13 mN/m. In formula 2, P1b is the average bubble point of the porous film. P1b is measured using a bubble point method in which a first b liquid is used. The surface tension of the first b liquid is 21 mN/m.

IPC Classes  ?

• B01D 71/36 - Polytetrafluoroethene
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes

Abstract

Provided is a porous film comprising polytetrafluoroethylene as a main component. The porous film, in differential scanning calorimetry at a heating rate of 10°C/min, gives a first-run melting curve which has an endothermic peak in the range of 340-350°C. The porous film, in differential scanning calorimetry at a heating rate of 10°C/min, gives a second-run melting curve which has an endothermic peak in the range of 320-330°C. The porous film has crystallites, and the crystallites have a length X along the MD of the porous film and a length Y along the TD of the porous film, the product of the length X and the length Y, XY, being 1,200 nm2to 1,710 nm2.

IPC Classes  ?

• B01D 71/36 - Polytetrafluoroethene
• B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties

Abstract

Disclosed is a multilayer body which comprises a porous film, wherein: the porous film contains a polytetrafluoroethylene as a main component; the multilayer body is in the form of a sheet; the average bubble point P1a of the multilayer body is 390 kPa or more, or the average bubble point P1b of the multilayer body is 780 kPa or more; the average bubble point P1a is determined by a bubble point method using a first a liquid; the surface tension of the first a liquid is 13 mN/m; the average bubble point P1b is determined by a bubble point method using a first b liquid; the surface tension of the first b liquid is 21 mN/m; the Gurley seconds of the multilayer body is 70 seconds or less; and in a test in which the multilayer body is left to stand at 120°C for 1 hour in a thermostatic chamber, the length X of the multilayer body in the MD direction before the test and the length X' of the multilayer body in the MD direction after the test satisfy the relationship of formula 1, and the length Y of the multilayer body in the TD direction before the test and the length Y' of the multilayer body in the TD direction after the test satisfy the relationship of formula 2.

IPC Classes  ?

• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• B32B 5/22 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof

Abstract

A molded article according to the present disclosure comprises: a cylindrical base material layer that is formed from a stainless steel; a sliding layer that is layered on the inner circumference surface of the base material layer, and includes a resin component; and an outermost layer that is layered directly or indirectly on the outer circumference surface of the base material layer, and has a fluorine resin as the primary component thereof. The resin component includes polyether ether ketone as the primary component thereof, and polytetrafluoroethylene. The polytetrafluoroethylene content in the resin component is 15 mass% to 35 mass%. The arithmetic mean roughness Ra of the inner circumference surface of the base material layer is 0.25 μm or greater.

IPC Classes  ?

• G03G 15/00 - Apparatus for electrographic processes using a charge pattern
• G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
• G03G 15/08 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
• G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern

Abstract

An aeration module capable of aerating a liquid supplied to inner portions of hollow-fiber membranes includes a housing containing a fluororesin as a main component, and a plurality of the hollow-fiber membranes containing polytetrafluoroethylene or a modified polytetrafluoroethylene as a main component. A porosity K [%], an average thickness T1 [mm], and an average outer diameter D2 [mm] of the hollow-fiber membranes satisfy a relation of a formula of K/(T1×D2×100)≥2.0.

IPC Classes  ?

• B01D 69/08 - Hollow fibre membranes
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 71/36 - Polytetrafluoroethene
• B01F 23/237 - Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
• B01F 101/00 - Mixing characterised by the nature of the mixed materials or by the application field

Abstract

The heat shrinkable tube according to the present disclosure contains an ethylene-tetrafluoroethylene copolymer as a main component. The heat shrinkable tube has a melting point of 210° C. to 250° C. and a storage elastic modulus of 0.8 MPa to 2.8 MPa at 250° C. to 280° C.

IPC Classes  ?

• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• B29C 61/02 - Thermal shrinking
• B29C 61/08 - Making preforms having internal stresses, e.g. plastic memory by stretching tubes

Abstract

Provided is an electric wire with a terminal, which can enhance the water cut-off properties of a resin coating part that coats an electrical connection part provided between a terminal fitting and an insulated electric wire without using a liquid adhesive.　This electric wire 1 with a terminal has: an electric wire 6 that is formed by electrically connecting, in an electrical connection part 6a, a terminal fitting 5 to an insulated electric wire 2 in which the outer circumference of a conductor 3 is coated with an insulating coating 4; a tube material 7 that coats the outer circumference of the insulating coating 4 in a portion along the axial direction of the insulated electric wire 2; and a resin coating part 8 that coats a region including the electrical connection part 6a of the electric wire 6 and is formed in contact with at least a portion of the outer circumferential surface of the tube material 7, wherein the tube material 7 is configured as a single-layer cylindrical member containing a crosslinked polyolefin-based resin and at least one of 5-40 mass% of an acid-modified resin among resin components or 20-40 mass% of a thermoplastic elastomer among the resin components.

IPC Classes  ?

• H01R 4/18 - Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one anotherMeans for effecting or maintaining such contactElectrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
• H01B 7/00 - Insulated conductors or cables characterised by their form
• H01R 4/70 - Insulation of connections

Abstract

A porous membrane laminate according to one embodiment of the present disclosure comprises one or more porous membranes containing polytetrafluoroethylene as a main component, and satisfies formula (1).　(1) P/γ > -31.6 × lnRa + 168 (In formula (1), P is an average bubble point [kPa]. γ is the surface tension [dyn/cm] of a test liquid used in measuring the average bubble point. Ra is the surface roughness [nm] of the porous membrane, where 14 nm ≤ Ra ≤ 96 nm.)

IPC Classes  ?

• B01D 69/10 - Supported membranesMembrane supports
• B01D 71/36 - Polytetrafluoroethene
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof

Abstract

A porous membrane according to the present disclosure is mainly composed of polytetrafluoroethylene, wherein a 1st Run melting curve obtained by differential scanning calorimetry at a heating rate of 10°C/minute has an endothermic peak in a range of 300°C to 360°C inclusive, and the difference between the onset temperature and the endset temperature of the endothermic peak is not more than 20°C.

IPC Classes  ?

• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
• B32B 7/027 - Thermal properties
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin

Abstract

A porous membrane according to the present disclosure is composed mainly of polytetrafluoroethylene, wherein the mean flow pore size E is 75 nm or less, and the pore size difference G-E between the maximum pore size G and the mean flow pore size E is not more than 20 nm.

IPC Classes  ?

• B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof

Abstract

A heat shrinkable connection component according to one embodiment of the present disclosure is used for the purpose of connecting an insulated wire that is obtained by covering a conductor with an insulating layer. This heat shrinkable connection component is provided with a heat shrinkable tube that has a melting point of 210°C to 250°C and a pair of sealing parts that are arranged on the inner circumferential surfaces of both end parts of the heat shrinkable tube; and the sealing material of the sealing parts has a shear viscosity of 1,000 Pa∙s to 2,000 Pa∙s at a shear rate of 100/s at 250°C, and a shear viscosity of 7,000 Pa∙s to 70,000 Pa∙s at a shear rate of 0.01/s at 215°C.

IPC Classes  ?

• C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
• C08K 3/013 - Fillers, pigments or reinforcing additives
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/34 - Silicon-containing compounds
• H01R 4/70 - Insulation of connections
• H01R 4/72 - Insulation of connections using a heat shrinking insulating sleeve
• H01R 43/00 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
• H02G 15/10 - Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes

Abstract

A heat-shrinkable connecting component (50) according to one embodiment of the present disclosure is for connecting an insulated electric line (8, 18) in which a conductor (6, 16) is covered by an insulating layer (7, 17), the component comprising: a heat-shrinkable tube (1) that has a first fluorine resin with a melting point of 140–250°C as a principal constituent; a pair of cylindrical sealing parts (3) disposed on the inner peripheral surface of two end sections of the heat-shrinkable tube; and a metal member (2) that is disposed between the pair of sealing parts in the heat-shrinkable tube and joins the conductors. Sealing material that forms the sealing parts contains a fluorine polymer with a second fluorine resin as a principal constituent and an inorganic filler; the decomposition temperature of the inorganic filler is 270°C or higher; the shear viscosity of the sealing material at 250°C at a shear velocity of 100/s is 2000 Pa∙s or less; and the shear viscosity of the sealing material at 215°C at a shear velocity of 0.01/s is at least 7000 Pa∙s.

IPC Classes  ?

• H02G 15/08 - Cable junctions
• H01R 4/72 - Insulation of connections using a heat shrinking insulating sleeve
• H02G 1/14 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for joining or terminating cables

Abstract

3 or more calculated from a storage modulus at 300° C.

IPC Classes  ?

• F16K 25/00 - Details relating to contact between valve members and seats
• C08L 27/18 - Homopolymers or copolymers of tetrafluoroethene

Abstract

This polyimide tube comprises a polyimide resin composition, wherein the polyimide resin composition comprises a polyimide resin and flaked graphite. The thickness of the flaked graphite is not more than 0.70 µm, and the blending proportion of the flaked graphite, expressed relative to the polyimide resin composition, is 5 volume% to 25 volume%.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
• B32B 1/08 - Tubular products
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides

Abstract

The hollow fiber membrane module according to an aspect of the present disclosure comprises a hollow fiber membrane bundle having a plurality of hollow fiber membranes paralleled in one direction, a casing that houses the hollow fiber membrane bundle, and a potting part in which a space between an outer surface of the hollow fiber membranes and an inner surface of the casing in opposite end areas or one end area of the hollow fiber membrane bundle is filled with a potting agent. The hollow fiber membranes have a body part, and an enlarged-diameter part provided on opposite end sides or one end side of the body part and having an enlarged inner diameter compared to the body part. The enlarged-diameter part is embedded in the potting part.

IPC Classes  ?

• B01D 63/02 - Hollow fibre modules
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms

Abstract

A porous membrane laminate of the present disclosure includes a porous support layer and a porous membrane laminated on one surface of the support layer and containing polytetrafluoroethylene as a main component. The porous membrane is formed of a uniaxially stretched material, the porous membrane has a mean pore size of 25 nm to 35 nm and a maximum pore size of 49 nm or less, and the porous membrane has an average thickness of 0.6 μm to 3.5 μm.

IPC Classes  ?

• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/10 - Supported membranesMembrane supports
• B01D 71/36 - Polytetrafluoroethene
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus

Abstract

A method for manufacturing a sliding member according to one aspect of the present disclosure is a method for manufacturing a sliding member containing an ethylene-tetrafluoroethylene copolymer as a main component, and comprises processing a material containing an ethylene-tetrafluoroethylene copolymer as a main component, and irradiating a processed body obtained in the processing step with an electron beam.

IPC Classes  ?

• C08L 23/08 - Copolymers of ethene
• F16C 33/14 - Special methods of manufactureRunning-in
• F16C 33/20 - Sliding surface consisting mainly of plastics
• C08J 7/12 - Chemical modification

Abstract

A method for manufacturing a hollow fiber membrane module, the hollow fiber membrane module including: a hollow fiber membrane bundle including a plurality of hollow fiber membranes; a housing configured to contain the hollow fiber membrane bundle; and a potting part in which a potting agent is added between an outer surface of the hollow fiber membranes and an inner surface of the housing at both end regions or at one end region of the hollow fiber membrane bundle, wherein the method including: providing a sheet-shaped spacer in a space between the hollow fiber membranes at the both end regions or at the one end region of the hollow fiber membrane bundle; and adding a potting agent between the outer surface of the hollow fiber membranes and the inner surface of the housing at the both end regions or at the one end region of the hollow fiber membrane bundle such that the provided spacer is embedded, wherein the potting agent includes resin, rubber, or elastomer, as a main ingredient, and wherein the spacer is a net, a non-woven fabric, a porous sheet, or a film.

IPC Classes  ?

• B01D 63/02 - Hollow fibre modules
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/08 - Hollow fibre membranes

Abstract

A formed article according to one embodiment of the present disclosure includes a cylindrical base layer containing a polyimide as a main component, a sliding layer disposed on an inner circumferential surface side of the base layer and containing a polyether ether ketone as a main component, and an outermost layer disposed on an outer circumferential surface side of the base layer and containing a fluororesin as a main component.

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 1/08 - Tubular products
• B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
• B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat

Abstract

An air-supply module according to one embodiment of the present disclosure can supply a gas to a liquid supplied inside hollow fiber membranes, and is provided with: a case containing a fluororesin as the main component; and a plurality of strands of the hollow fiber membranes containing, as the main component, a polytetrafluoroethylene or a modified polytetrafluoroethylene. Regarding the hollow fiber membranes, the porosity K[%], the average thickness T1 [mm], and the average outer diameter D2 [mm] satisfy the relationship of formula (1).　(1): K/(T1×D2×100)≥2.0

IPC Classes  ?

• B01D 63/02 - Hollow fibre modules
• B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/08 - Hollow fibre membranes
• B01D 71/36 - Polytetrafluoroethene

Abstract

Heat-shrinkable tubing according to the present disclosure contains an ethylene-tetrafluoroethylene copolymer as the main component, has a melting point of 210-250°C, and has a storage elastic modulus of 0.8-2.8 MPa at 250-280°C.

IPC Classes  ?

• B29C 61/08 - Making preforms having internal stresses, e.g. plastic memory by stretching tubes
• B29C 61/02 - Thermal shrinking
• H01B 17/58 - Tubes, sleeves, beads or bobbins through which the conductor passes
• H01B 19/00 - Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• B29K 27/12 - Use of polyvinylhalogenides as moulding material containing fluorine
• B29K 105/02 - Condition, form or state of moulded material heat-shrinkable
• B29L 23/00 - Tubular articles

Abstract

The optical element holder according to the present disclosure is an optical element holder for holding an optical element, wherein the optical element holder is formed from an optical element holder resin compound, the optical element holder resin compound contains a thermoplastic resin as a main component, a melting curve obtained by differential scanning calorimetry analysis of the optical element holder resin compound at a temperature increase rate of 10° C./min has two peaks in a range of not lower than 160° C. and not higher than 230° C. and a range of not lower than 260° C. and not higher than 320° C., and a ratio of a melting heat quantity in the range of not lower than 160° C. and not higher than 230° C. to a total melting heat quantity is not less than 20% and not greater than 80%.

IPC Classes  ?

• G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
• B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
• C03B 11/08 - Construction of plunger or mould for making solid articles, e.g. lenses

Abstract

A hollow-fiber membrane module according to an embodiment of the present disclosure includes a rectangular tubular outer casing with at least one sidewall being open, the outer casing having a plurality of open ports, and an inner casing configured such that a plurality of hollow-fiber membranes aligned in a longitudinal direction of the outer casing are placeable in the inner casing and configured to be insertable into the one sidewall.

IPC Classes  ?

• B01D 63/04 - Hollow fibre modules comprising multiple hollow fibre assemblies
• B01D 63/02 - Hollow fibre modules

Abstract

A valve member according to one embodiment of the present disclosure is a resin molded article having a crosslinked ethylene-tetrafluoroethylene copolymer as a main component, and having a crosslinking density of 85.0 mol/m3 or greater calculated from the storage modulus at 300°C.

IPC Classes  ?

• C08F 8/00 - Chemical modification by after-treatment
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• F16K 1/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces

Abstract

A hollow-fiber membrane according to an aspect of the present disclosure contains a polytetrafluoroethylene or a modified polytetrafluoroethylene as a main component and has an average outer diameter of 1 mm or less and an average inner diameter of 0.5 mm or less. In a measurement of a heat of fusion of the polytetrafluoroethylene or the modified polytetrafluoroethylene with a differential scanning calorimeter, when the polytetrafluoroethylene or modified polytetrafluoroethylene is subjected to a first step of heating from room temperature to 365° C., a second step of cooling from 365° C. to 350° C., maintaining the temperature, subsequently cooling from 350° C. to 330° C., and further cooling from 330° C. to 305° C., and a third step of cooling from 305° C. to 245° C. at a rate of −50° C./min and subsequently heating from 245° C. to 365° C. at a rate of 10° C./min, a heat of fusion from 296° C. to 343° C. in the third step is 30.0 J/g or more and 45.0 J/g or less.

IPC Classes  ?

• B01D 69/08 - Hollow fibre membranes
• B01D 19/00 - Degasification of liquids
• B01D 63/04 - Hollow fibre modules comprising multiple hollow fibre assemblies
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 71/36 - Polytetrafluoroethene
• C02F 1/20 - Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases

Abstract

A porous film laminate according to the present disclosure comprises: a porous supporting layer; and a porous film which is stacked on one surface of the supporting layer and is composed primarily of polytetrafluoroethylene. The porous film is made of a uniaxially drawn material, the porous film has an average pore diameter of 25-35 nm and a maximum pore diameter of 49 nm or less, and the porous film has an average thickness of 0.6-3.5 μm.

IPC Classes  ?

• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin

Abstract

A heat-shrinkable tube according to an aspect of the present disclosure includes a base layer that is tubular and that covers outer peripheries of a plurality of electric wires, and a plurality of ridges that are formed on an inner peripheral surface of the base layer and that extend in an axial direction of the base layer.

IPC Classes  ?

• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• H01R 4/72 - Insulation of connections using a heat shrinking insulating sleeve
• B29C 48/09 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
• B29C 71/02 - Thermal after-treatment
• B29C 48/12 - Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
• B29C 55/24 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of tubes radial
• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting

Abstract

The invention is a heat shrink tube comprising a fluoropolymer as the main component and a fatty acid amide, wherein the fluoropolymer includes a fluororubber and a fluororesin. The heat shrink tube has a melting heat amount of between 1 J/g and 12 J/g inclusive at 70°C or higher, as measured with a differential scanning calorimeter.

IPC Classes  ?

• C08K 5/20 - Carboxylic acid amides
• C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting

Abstract

The present disclosure is a method for manufacturing a hollow fiber membrane module comprising a hollow fiber membrane bundle having a plurality of hollow fiber membranes, a housing that accommodates the hollow fiber membrane bundle, and a potting part in which the space between the outer surface of the hollow fiber membranes and the inner surface of the housing, at both end areas or one end area of the hollow fiber membrane bundle, is filled with a potting agent, wherein the method comprises: a step in which sheet-like spacers are positioned in the gaps between the hollow fiber membranes at both ends or one end of the hollow fiber membrane bundle; and a step in which the potting agent is filled into the space between the outer surface of the hollow fiber membranes and the inner surface of the housing, at both end areas or one end area of the hollow fiber membrane bundle, so that the positioned spacers are buried, the potting agent having as a primary component a resin, rubber, or elastomer, and the spacers comprising a net, a nonwoven fabric, a porous sheet, or a film.

IPC Classes  ?

• B01D 63/00 - Apparatus in general for separation processes using semi-permeable membranes
• B01D 63/02 - Hollow fibre modules

Abstract

This method according to one mode of the present invention is for manufacturing a sliding member containing an ethylene-tetrafluoroethylene copolymer as a main component, and comprises: a step for processing a material containing the ethylene-tetrafluoroethylene copolymer as a main component; and a step for irradiating, with electron beams, a processed product obtained in the step for processing said material.

IPC Classes  ?

• F16C 33/14 - Special methods of manufactureRunning-in
• F16C 33/20 - Sliding surface consisting mainly of plastics
• C08J 5/16 - Manufacture of articles or materials having reduced friction
• C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances

Abstract

A molded article according to one aspect of the present disclosure is provided with: a cylindrical base layer having a polyimide as a main component; a sliding layer which is laminated on an inner circumferential surface side of the base layer and has a polyether ether ketone as a main component; and an outermost layer which is laminated on an outer circumferential surface side of the base layer and has a fluororesin as a main component.

IPC Classes  ?

• B32B 27/00 - Layered products essentially comprising synthetic resin
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• B32B 1/08 - Tubular products
• G03G 15/00 - Apparatus for electrographic processes using a charge pattern
• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat

Abstract

This optical element holder is for holding an optical element and constituted from an optical element holder-use resin composition, the optical element holder-use resin composition having a thermoplastic resin as the main component. A melting curve obtained by differential scanning calorimetry analysis of the optical element holder-use resin composition at a temperature rise speed of 10°C/minute has two peaks, one in the range of between 160°C and 230°C inclusive and the other in the range of between 260°C and 320°C inclusive, and the ratio of the amount of melting heat ranging between 160°C and 230°C inclusive with respect to the total amount of melting heat is between 20% and 80% inclusive.

IPC Classes  ?

• G02B 7/00 - Mountings, adjusting means, or light-tight connections, for optical elements
• G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

Abstract

The present invention provides: a hollow extrusion molded body which has flame retardancy passing VW-1 flame test, excellent mechanical strength, and good tube appearance, while being free from odor problems such as generation of acetic acid odor and also being free from die scrap during pull-down molding; a crosslinked body of this hollow extrusion molded body; and a heat shrinkable tube and a multilayer heat shrinkable tube, each of which is obtained from this crosslinked body.　A hollow extrusion molded body which is formed by pull-down molding a resin composition that uses, as a base resin, an ethylene-ethyl acrylate copolymer, or an ethylene-ethyl acrylate copolymer and a linear low-density polyethylene, while containing a bromine-based flame retardant, antimony trioxide and magnesium hydroxide, wherein the composition ratio of the ethylene-ethyl acrylate copolymer and the linear low-density polyethylene, the content of the bromine-based flame retardant, the content of the antimony trioxide and the content of the magnesium hydroxide are within specific ranges, respectively; a crosslinked body of this hollow extrusion molded body; and a heat shrinkable tube and a multilayer heat shrinkable tube, each of which is obtained from this crosslinked body.

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08L 23/08 - Copolymers of ethene

Abstract

A method of making an oil repellent sheet material according to an embodiment of the present disclosures includes a step of applying to a porous sheet a composition for forming an oil repellent layer, the composition containing a solvent and an amorphous fluorine resin dispersed therein, and a step of swaging the porous sheet after the step of applying, wherein the porous sheet has a fibrous skeleton composed mainly of polytetrafluoroethylene, the method of making an oil repellent sheet material further comprising a heat treatment step of heating the porous sheet to which the composition for forming an oil repellent layer is applied, before or after the step of swaging.

IPC Classes  ?

• C08J 9/36 - After-treatment
• C09D 5/16 - Anti-fouling paintsUnderwater paints
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCoating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
• C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
• G01N 27/407 - Cells and probes with solid electrolytes for investigating or analysing gases
• G01N 27/409 - Oxygen concentration cells
• C08J 7/04 - Coating

Abstract

A hollow fiber membrane according to one embodiment of the present invention is mainly made of polytetrafluoroethylene or modified polytetrafluoroethylene and has an average outer diameter of 1 mm or less and an average inner diameter of 0.5 mm or less. When the polytetrafluoroethylene or the modified polytetrafluoroethylene is measured for heat of fusion with a differential scanning calorimeter through a first step of heating from room temperature to 365°C, a second step of cooling from 365°C to 350°C, maintaining the temperature, and then cooling from 350°C to 330°C and then from 330°C to 305°C, and a third step of cooling from 305°C to 245°C at -50°C/min and then heating from 245°C to 365°C at 10°C/min, the heat of fusion from 296°C to 343°C in the third step is 30.0 J/g to 45.0 J/g.

IPC Classes  ?

• B01D 71/36 - Polytetrafluoroethene
• B01D 19/00 - Degasification of liquids
• B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltrationApparatus, accessories or auxiliary operations specially adapted therefor
• B01D 63/02 - Hollow fibre modules
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/08 - Hollow fibre membranes
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• D01F 6/12 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons

Abstract

An electricity storage device member is provided. The electricity storage device member includes a base material mainly composed of a metal and a resin layer stacked on the base material, in which the resin layer contains a crosslinked fluororesin.

IPC Classes  ?

• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 50/124 - Primary casingsJackets or wrappings characterised by the material having a layered structure
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• H01G 11/80 - GasketsSealings
• H01M 50/172 - Arrangements of electric connectors penetrating the casing

Abstract

A hollow fiber membrane module according to an embodiment of the present disclosure is provided with: a rectangular cylindrical outer casing having a plurality of open ports and at least one open side wall; and an inner casing configured such that a plurality of hollow fiber membranes aligned in the longitudinal direction of the outer casing can be placed in the inner casing, and configured to be insertable into the one side wall.

IPC Classes  ?

• B01D 63/02 - Hollow fibre modules

Abstract

The porous tube according to one mode of the present invention has a fibrous scaffold having polytetrafluoroethylene as the main component, and satisfies the formulae (1) and (2), when G1 is Gurley seconds, P1 is the water pressure resistance after being held for 3 hours under a 300 ºC environment, G2 is Gurley seconds, P2 is the water pressure resistance after being held for 3 hours under a 360 ºC environment. (1) 0.9 ≤ P1/P2 ≤ 1.3 (2) 0.7 ≤ G1/G2 ≤ 1.1

IPC Classes  ?

• B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
• B01D 71/36 - Polytetrafluoroethene
• B29C 48/20 - Articles comprising two or more components, e.g. co-extruded layers the components being layers one of the layers being a strip, e.g. a partially embedded strip
• B29C 55/22 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of tubes
• B29C 67/20 - Shaping techniques not covered by groups , or for porous or cellular articles, e.g. of foam plastics, coarse-pored
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• B29K 27/18 - PTFE, i.e. polytetrafluorethene

Abstract

The heat-shrinkable tube of one embodiment of the present disclosure is provided with: a cylindrical base layer covering the outer periphery of a plurality of electric wires; and a plurality of ridges formed on the inner circumferential surface of the base layer and extending in the axial direction of the base layer.

IPC Classes  ?

• H02G 3/30 - Installations of cables or lines on walls, floors or ceilings
• B29C 55/24 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of tubes radial
• B29C 61/08 - Making preforms having internal stresses, e.g. plastic memory by stretching tubes
• F16L 3/12 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
• H01B 7/08 - Flat or ribbon cables
• H01B 17/58 - Tubes, sleeves, beads or bobbins through which the conductor passes
• B29L 22/00 - Hollow articles

Abstract

A heat-shrink tube according to one aspect of the present invention is provided with a tubular base layer covering the outer circumferences of multiple electrical wires, and the base layer has a rectangular cylindrical shape after being heat-shrunk.

IPC Classes  ?

• B29C 61/08 - Making preforms having internal stresses, e.g. plastic memory by stretching tubes

Abstract

Provided is a heat-shrinkable tube to be used to decorate a metal tube and comprising a single-layer heat-shrinking layer which contains a filler and a base resin containing an acid-modified resin, wherein the content of the acid component bonded to the acid-modified resin relative to the base resin overall is 0.4-1.2 mass%, inclusive, and the arithmetic mean roughness Ra of the inner surface is 0.1-5.0μm, inclusive.

IPC Classes  ?

• B29C 61/02 - Thermal shrinking
• B29C 63/42 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor by liberation of internal stresses using tubular layers or sheathings
• B32B 1/08 - Tubular products
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting

Abstract

A heat-shrinkable tube for metal pipe decoration according to one aspect of the present disclosure comprises a single heat-shrinkable layer containing: a filler; and a base resin containing an ethylene-based copolymer and an acid-modified olefin-based resin. The mass ratio of the ethylene-based copolymer relative to the acid-modified olefin-based resin in the base resin is 40/60-95/5. The content of the filler relative to the base resin is 30 vol.% or less.

IPC Classes  ?

• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
• B32B 1/08 - Tubular products
• B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• C08K 3/013 - Fillers, pigments or reinforcing additives
• C08L 23/08 - Copolymers of ethene
• C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment

Abstract

This heat-shrinkable tube for decorating a substrate contains a base resin and a filler, and exhibits an outer-surface arithmetic mean roughness Ra of 0.5-5.0μm, inclusive.

IPC Classes  ?

• B29C 61/02 - Thermal shrinking
• B29C 63/42 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor by liberation of internal stresses using tubular layers or sheathings
• B32B 1/08 - Tubular products
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting

Abstract

A sliding member according to one aspect of the present disclosure is provided with a base layer, an intermediate layer and a sliding layer in this order, wherein the main component of the intermediate layer is a hot-melt fluororesin and the main component of the sliding layer is polytetrafluoroethylene.

IPC Classes  ?

• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• C08J 5/16 - Manufacture of articles or materials having reduced friction

Abstract

Provided are: a flame-retardant resin composition containing polyethylene, an ethylene ethyl acrylate copolymer, an acid-modified polyethylene, a metal hydroxide, and a modified silicone having a functional group containing a carbon–carbon double bond at the terminal thereof, said flame-retardant resin composition having the content ratio for the polyethylene, ethylene ethyl acrylate copolymer, and acid-modified polyethylene and the content of the metal hydroxide and modified silicone being within a prescribed range; a flame-retardant heat shrink tube formed using said flame-retardant resin composition; and a flame-retardant insulated electrical wire having an insulation layer formed using said flame-retardant resin composition.

IPC Classes  ?

• C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
• C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
• H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame

Abstract

Provided are a flame-retardant resin composition, a flame-retardant heat shrink tube formed using said flame-retardant resin composition, and a flame-retardant insulated electrical wire having an insulation layer formed using said flame-retardant resin composition. The flame-retardant resin composition contains polyethylene, a resin component A comprising an ethylene ethyl acrylate copolymer and an acid-modified polyethylene, a metal hydroxide, and a silicone. The resin component A has a polyethylene content of 25%–70% by mass, an ethylene ethyl acrylate copolymer content of 25%–70% by mass, and an acid-modified polyethylene content of 5%–35% by mass. The metal hydroxide content is 100–200 parts by mass and the silicone content is 1–8 parts by mass, relative to 100 parts by mass resin component A.

IPC Classes  ?

• C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
• C08K 3/22 - OxidesHydroxides of metals

Abstract

A method for manufacturing a wire harness according to an embodiment of the present disclosure is a method for manufacturing a wire harness in which the tip sections of a plurality of bundled insulating wires are covered with a heat-shrinkable cap and conductors at the tip sections are exposed, wherein a heat-shrinkable cap, which is provided with a tubular base material layer that shrinks by heating, a plug for sealing one end section of the base material layer, and an adhesive layer laminated on the inner surface of the base material layer and fluidized by heating, is used as said heat-shrinkable cap. This method comprises: a step for inserting the tip sections of the insulating wires into the heat-shrinkable cap; a step for holding the heat-shrinkable cap, in which the insulated wires are inserted, upright with a plug-side end section thereof facing downward; and a step for heating, with a heater, the heat-shrinkable cap which is held upright.

IPC Classes  ?

• H01B 13/012 - Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
• H01B 17/56 - Insulating bodies
• H01B 7/282 - Preventing penetration of fluid into conductor or cable
• H01B 13/32 - Filling or coating with impervious material

Abstract

A method for producing an oil-repellent sheet material according to one embodiment of the present disclosure is a method for producing an oil-repellent sheet material, comprising the steps of applying an oil-repellent layer-forming composition prepared by dispersing an amorphous fluororesin in a solvent onto a porous sheet and crimping the porous sheet after the application step, wherein the porous sheet has a fibrous skeleton containing polytetrafluoroethylene as the main component, and a heat treatment step of heating the porous sheet having the oil-repellent layer-forming composition applied thereon before or after the crimping step is further included.

IPC Classes  ?

• B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
• B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
• G01N 27/409 - Oxygen concentration cells

Abstract

Provided are: a heat-resistant bilaminar heat-shrinkable tube having an outer layer which is heat-shrinkable at 250°C-280°C and which comprises a crosslinked body of a resin composition that contains a crosslinking aid and a resin such as a tetrafluoroethylene-ethylene copolymer having a melting point of 210°C-260°C, and an inner layer which comprises a hot-melt adhesive that contains an acid-modified tetrafluoroethylene-ethylene copolymer or the like as the main component, and that has a shear viscosity of less than 10000 Pa∙s at a shear rate of 10 s-1 at 250°C, wherein heat resistance is excellent such that resin deterioration or flow in the adhesive layer (inner layer) does not occur even after use at a high temperature for a prolonged period, adhesion to a conductor and an insulating layer in an ETFE electric wire is excellent, and the resin that forms the adhesive layer has assuredly sufficient fluidity at a heating temperature for heat shrinkage; and a method for covering a to-be-covered object using the heat-resistant bilaminar heat-shrinkable tube.

IPC Classes  ?

• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 1/08 - Tubular products
• C09J 123/26 - Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondAdhesives based on derivatives of such polymers modified by chemical after-treatment
• C09J 127/18 - Homopolymers or copolymers of tetrafluoroethene
• C09J 127/20 - Homopolymers or copolymers of hexafluoropropene
• C09J 127/22 - Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenAdhesives based on derivatives of such polymers modified by chemical after-treatment
• F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting

Abstract

A semipermeable membrane according to an embodiment of the present invention includes a semipermeable membrane layer containing an amorphous resin as a main component, and a sheet-like supporting body that supports the semipermeable membrane layer. The supporting body has a porous first supporting layer and a porous second supporting layer laminated on one of surfaces of the first supporting layer. The second supporting layer has a smaller mean flow pore diameter than the first supporting layer. The second supporting layer is impregnated with the semipermeable membrane layer. A ratio of the mean flow pore diameter of the second supporting layer to the mean flow pore diameter of the first supporting layer is preferably 1/1,000 or more and ⅕ or less. The mean flow pore diameter of the first supporting layer is preferably 0.05 μm or more and 20 μm or less, and the mean flow pore diameter of the second supporting layer is preferably 0.01 μm or more and 1 μm or less.

IPC Classes  ?

• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 69/10 - Supported membranesMembrane supports
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus

Abstract

This hollow extrusion molded article is formed from a resin composition containing: a base resin containing an ethylene-ethyl acrylate copolymer, or an ethylene-ethyl acrylate copolymer and a straight-chain low-density polyethylene; a bromine-based flame retardant; antimony trioxide; and magnesium hydroxide having an average particle size of 0.5-3.0 μm, wherein the composition ratio of the ethylene-ethyl acrylate copolymer and the straight-chain low-density polyethylene, the contained amount of the bromine-based flame retardant, the contained amount of the antimony trioxide, and the contained amount of the magnesium hydroxide are in respective specific ranges.

IPC Classes  ?

• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• B29C 47/20 - with annular opening, e.g. for tubular articles
• B29C 61/08 - Making preforms having internal stresses, e.g. plastic memory by stretching tubes
• B32B 1/08 - Tubular products
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• C08K 3/22 - OxidesHydroxides of metals
• C08K 5/02 - Halogenated hydrocarbons
• C08L 23/04 - Homopolymers or copolymers of ethene

Abstract

A method for producing a laminated complex according to one embodiment of the present invention is a method for producing a laminated complex that includes a sheet-shaped or tube-shaped porous support and a semipermeable membrane layer stacked on an outer surface of the support, the method including a coating step of coating an outer surface of the support with a semipermeable membrane layer-forming composition in which a fluororesin is dispersed in a solvent; an immersing step of immersing the coated surface of the support in water after the coating step; and a heating step of heating water in which the support is immersed.

IPC Classes  ?

• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• C08J 5/22 - Films, membranes or diaphragms
• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms
• B01D 69/08 - Hollow fibre membranes
• B01D 69/06 - Flat membranes
• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/04 - Tubular membranes

Abstract

A polytetrafluoroethylene formed product according to an aspect of the invention contains, as a principal component, a polytetrafluoroethylene having a crosslinked structure and has a PV limit of not less than 1600 MPa·m/min.

IPC Classes  ?

• C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
• C08J 3/28 - Treatment by wave energy or particle radiation
• C08J 7/12 - Chemical modification
• B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
• B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
• B05D 5/08 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
• C08F 14/26 - Tetrafluoroethene
• C08J 5/18 - Manufacture of films or sheets
• B29K 27/18 - PTFE, i.e. polytetrafluorethene

Abstract

5 Pa·s.

IPC Classes  ?

• C08J 7/12 - Chemical modification
• C08J 3/28 - Treatment by wave energy or particle radiation
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat
• C23C 26/00 - Coating not provided for in groups
• C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• C08F 14/26 - Tetrafluoroethene
• B29K 27/18 - PTFE, i.e. polytetrafluorethene

Abstract

The heat recovery article according to one embodiment of the present invention is a cylindrical heat recovery article equipped with a substrate layer, wherein the water vapor permeability is 0.1 g/m2∙day or less when the average thickness of the substrate layer after shrinkage is 100 μm.

IPC Classes  ?

• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• B32B 1/08 - Tubular products
• B32B 27/00 - Layered products essentially comprising synthetic resin
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin

Abstract

The heat recovery article according to one embodiment of the present invention is a cylindrical heat recovery article equipped with a substrate layer, wherein the water vapor permeability is 0.1 g/m2∙day or less when the average thickness of the substrate layer after shrinkage is 100 μm.

IPC Classes  ?

• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• B32B 1/08 - Tubular products
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 27/00 - Layered products essentially comprising synthetic resin
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin

Abstract

The present invention provides an electricity storage device member, which is provided with a base material containing a metal as a main component, and a resin layer laminated on the base material, said resin layer containing cross-linked fluororesin.

IPC Classes  ?

• H01M 2/02 - Cases, jackets or wrappings
• H01G 11/74 - Terminals, e.g. extensions of current collectors
• H01G 11/78 - CasesHousingsEncapsulationsMountings
• H01M 2/06 - Arrangements for introducing electric connectors into or through cases
• H01M 2/30 - Terminals

Abstract

The heat-recoverable article according to the present invention has a cylindrical shape and includes a base material layer. The base material layer contains a polyolefin-based resin. In the base material layer after being heated at 180° C. for 2 minutes, a melting-point peak temperature is 115° C. or higher and 128° C. or lower, a heat of fusion of a total resin component is 80 J/g or more and 150 J/g or less, a storage modulus at 120° C. is 4 MPa or more, a gel fraction is 40% by mass or more and 80% by mass or less, and a storage modulus at 180° C. is 0.5 MPa or more and less than 3.0 MPa. The polyolefin-based resin is preferably a mixture of a first polyolefin-based resin having a melting point of 125° C. or higher and 135° C. or lower and a second polyolefin-based resin having a melting point of lower than 125° C.

IPC Classes  ?

• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
• B29C 47/06 - Multilayered articles
• H01B 17/58 - Tubes, sleeves, beads or bobbins through which the conductor passes
• H01B 7/00 - Insulated conductors or cables characterised by their form
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 19/00 - Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
• C08L 23/06 - Polyethene
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 1/08 - Tubular products
• C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• H01B 7/28 - Protection against damage caused by external factors, e.g. sheaths or armouring by moisture, corrosion, chemical attack or weather
• B29K 105/00 - Condition, form or state of moulded material
• B29L 23/00 - Tubular articles

Abstract

A substrate for a printed circuit board according to an embodiment of the present invention includes a base film and a metal layer disposed on at least one of surfaces of the base film. In the substrate for a printed circuit board, an amount of nitrogen present per unit area, the amount being determined on the basis of a peak area of a N1s spectrum in XPS analysis of a surface of the base film exposed after removal of the metal layer by etching with an acidic solution, is 1 atomic % or more and 10 atomic % or less.

IPC Classes  ?

• H05K 3/38 - Improvement of the adhesion between the insulating substrate and the metal
• H05K 1/03 - Use of materials for the substrate
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides

Abstract

The molded crosslinked-resin object of an embodiment according to the present invention has been molded from a resin composition containing a crosslinking aid, and contains some of the crosslinking aid which has not been used for the crosslinking.

IPC Classes  ?

• C08L 101/00 - Compositions of unspecified macromolecular compounds
• C08K 5/00 - Use of organic ingredients
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
• F16C 33/12 - Structural compositionUse of special materials or surface treatments, e.g. for rust-proofing
• F16H 55/06 - Use of materialsUse of treatments of toothed members or worms to affect their intrinsic material properties

Abstract

This molded body has, as a main component, a polymer having a melting peak temperature of 180 to 260˚C. The dimensional change ratio of the molded body before and after a heat treatment in which the temperature of the molded body is maintained at 180˚C for 90 seconds, increased to 270˚C over 30 seconds, maintained at 270˚C for 30 seconds, and then decreased to 180˚C over 90 seconds is 1% or less. The mass change ratio of the molded body before and after being left standing for 2 weeks at 25˚C and a relative humidity of 40% is 1% or less.

IPC Classes  ?

• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations

Abstract

The porous material according to one embodiment of the present invention has a large number of fibrous frameworks each comprising polytetrafluoroethylene as the main component, wherein the fibrous frameworks have a fluororesin evenly present on the peripheral surface of the fibers, the fluororesin being a tetrafluoroethylene/perfluorodioxol copolymer, a tetrafluoroethylene/perfluoro(methyl vinyl ether) copolymer, a tetrafluoroethylene/perfluoro(ethyl vinyl ether) copolymer, a tetrafluoroethylene/perfluoro(propyl vinyl ether) copolymer or a combination of two or more of these.

IPC Classes  ?

• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent
• G01N 27/409 - Oxygen concentration cells

Abstract

A self-heating fixing roller according to an embodiment of the present invention comprises a cylindrical base material layer and a plurality of linear heat generators laminated on the base material layer and generating heat when energized. The plurality of heat generators meanders from one end to the other end of the base material layer along the axial direction.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
• H05B 3/00 - Ohmic-resistance heating

Abstract

−1 at the heat shrinkage temperature of the base material layer. At the heat shrinkage temperature, a ratio of the shear viscosity of the high-viscosity adhesive portion to the shear viscosity of the low-viscosity adhesive portion is 15,000 or less.

IPC Classes  ?

• H01R 4/00 - Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one anotherMeans for effecting or maintaining such contactElectrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
• H02G 15/04 - Cable-end sealings
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 1/08 - Tubular products
• H01B 7/282 - Preventing penetration of fluid into conductor or cable
• H01R 4/02 - Soldered or welded connections
• H01R 4/72 - Insulation of connections using a heat shrinking insulating sleeve
• H01B 13/32 - Filling or coating with impervious material
• H01R 4/22 - End caps, i.e. caps of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable

Abstract

The gear of an embodiment of the present invention is formed by cross-linking a resin composition containing polyamide 66 and a cross-linking assistant and the mass reduction rate prescribed by equation (1) is 0.5% or less. Mass reduction rate [%] = (X-Y)/X×100 (1) X = initial gear mass [g] Y = gear mass [g] after fatigue test in which gears are rotated with each other for 100 hours under conditions of 4.5 N/mm tooth flank load and 616 rpm rotation speed

IPC Classes  ?

• F16H 55/06 - Use of materialsUse of treatments of toothed members or worms to affect their intrinsic material properties

Abstract

The present invention provides a self-heating fuser roller including a tubular resistor layer that generates heat by being supplied with electricity, in which the resistor layer has a plurality of slits. The slits are preferably disposed at regular intervals in a circumferential direction. The slits preferably extend in an axial direction. Preferably, the slits are not provided on both end edges in an axial direction. The slits preferably have an average width of 50 μm or more and 2 mm or less. The slits preferably have an average interval of 30 μm or more and 1 mm or less. The slits are preferably filled with a resin composition. The resistor layer preferably includes a resin matrix and a plurality of electrically conductive particles contained in the resin matrix.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
• G01K 1/16 - Special arrangements for conducting heat from the object to the sensitive element
• G05D 23/24 - Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. thermistor

Abstract

A method for manufacturing a laminate according to one embodiment of the present invention, the laminate being provided with a porous sheet-shaped or tube-shaped support body and a semipermeable membrane layer that is laminated on the outer surface of the support body, wherein the method is provided with: an application step for applying a composition for the semipermeable membrane layer, the composition comprising a fluororesin dispersed in a solvent, onto the outer surface of the support body; an immersion step for immersing the application surface of the support body in water after the application step; and a heating step for heating the water in which the support body is immersed. A laminate according to another embodiment of the present invention is used for molecular or ionic separation, and is provided with a porous sheet-shaped or tube-shaped support body and a semipermeable membrane layer laminated on the outer surface of the support body, the average impregnation depth of the semipermeable membrane layer from the outer surface of the support body being 5 µm or less.

IPC Classes  ?

• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 69/04 - Tubular membranes
• B01D 69/06 - Flat membranes
• B01D 69/10 - Supported membranesMembrane supports
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms
• B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• C08J 9/36 - After-treatment

Abstract

A thermal recovery component which is provided with a tube-like or cap-like base layer having thermal shrinkability and an adhesive layer that is laminated on the inner circumferential surface of the base layer, and wherein: the adhesive layer comprises a low-viscosity adhesive part and a high-viscosity adhesive part that is arranged between the low-viscosity adhesive part and an opening of the base layer; the shear viscosity in the low-viscosity adhesive part at a shear rate of 1 s-1 at the thermal shrinkage temperature of the base layer is 10 Pa·s or less; the shear viscosity in the high-viscosity adhesive part at a shear rate of 1 s-1 at the thermal shrinkage temperature of the base layer is 100 Pa·s or more; and the ratio of the shear viscosity of the high-viscosity adhesive part to the shear viscosity of the low-viscosity adhesive part at the above-described thermal shrinkage temperature is 15,000 or less.

IPC Classes  ?

• B32B 1/08 - Tubular products
• B32B 7/02 - Physical, chemical or physicochemical properties
• H01R 4/02 - Soldered or welded connections
• H01R 4/72 - Insulation of connections using a heat shrinking insulating sleeve
• H01B 7/00 - Insulated conductors or cables characterised by their form
• H01B 7/282 - Preventing penetration of fluid into conductor or cable
• H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
• B29L 9/00 - Layered products
• B29L 24/00 - Articles with hollow walls

Abstract

−1 at the maximum continuous use temperature. The heat-shrinkable tube or heat-shrinkable cap is used for waterproofing an exposed portion of electrical wires of an electrical wire bundle such as a wire harness, in which merely by placing the heat-shrinkable tube or heat-shrinkable cap over the exposed portion of electrical wires, waterproofing and water blocking between strands can be achieved, and outflow of the resin during heat shrinking does not occur. A method of waterproofing an electrical wire bundle uses the heat-shrinkable tube or heat-shrinkable cap.

IPC Classes  ?

• H01B 13/22 - SheathingArmouringScreeningApplying other protective layers
• H01B 7/282 - Preventing penetration of fluid into conductor or cable
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 1/08 - Tubular products
• H02G 15/04 - Cable-end sealings
• C09J 123/06 - Polyethene
• C09J 123/08 - Copolymers of ethene
• C09J 177/00 - Adhesives based on polyamides obtained by reactions forming a carboxylic amide link in the main chainAdhesives based on derivatives of such polymers
• H01B 7/00 - Insulated conductors or cables characterised by their form
• H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• B32B 3/20 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by an internal layer formed of separate pieces of material of hollow pieces, e.g. tubesLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by an internal layer formed of separate pieces of material of pieces with channels or cavities
• B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
• C09J 201/00 - Adhesives based on unspecified macromolecular compounds

Abstract

×B+0.45  (2).

IPC Classes  ?

• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
• B01D 61/14 - UltrafiltrationMicrofiltration
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 7/04 - Interconnection of layers
• B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids

Abstract

A semipermeable membrane according to one embodiment of the present invention is provided with: a semipermeable membrane layer that is mainly composed of an amorphous resin; and a sheet-like supporting body that supports the semipermeable membrane layer. The supporting body has a porous first supporting layer and a porous second supporting layer that is laminated on one surface of the first supporting layer; the mean flow pore diameter of the second supporting layer is smaller than the mean flow pore diameter of the first supporting layer; and the second supporting layer is impregnated with the semipermeable membrane layer. It is preferable that the ratio of the mean flow pore diameter of the second supporting layer to the mean flow pore diameter of the first supporting layer is from 1/1,000 to 1/5 (inclusive). The mean flow pore diameter of the first supporting layer is preferably from 0.05 μm to 20 μm (inclusive), and the mean flow pore diameter of the second supporting layer is preferably from 0.01 μm to 1 μm (inclusive).

IPC Classes  ?

• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms
• C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum

Abstract

A polytetrafluoroethylene molded body according to one aspect of the present invention has a PV limit of at least 1600 MPa∙m/min and contains, as a main component, a polytetrafluoroethylene having a crosslinked structure.

IPC Classes  ?

• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
• C08J 5/16 - Manufacture of articles or materials having reduced friction
• C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances
• B29K 27/18 - PTFE, i.e. polytetrafluorethene

Abstract

A method for manufacturing a polytetrafluoroethylene molded body according to one aspect of the present invention has a step in which a molding material containing a polytetrafluoroethylene as a main component is exposed to ionizing radiation, wherein the melt viscosity of the polytetrafluoroethylene at 380°C does not exceed 7×105 Pa∙s.

IPC Classes  ?

• C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances
• C08J 5/16 - Manufacture of articles or materials having reduced friction

Abstract

The present invention addresses the problem of providing an adhesive sheet for coating, which has a relatively low tensile strength, has a relatively high tensile elongation, suppresses misalignment and degradation caused by high temperatures, and exhibits excellent adhesive properties. An adhesive sheet for coating according to one aspect of the present invention contains an uncrosslinked rubber component having a maximum peak within the range 50,000-3,000,000 in molecular weight distribution, an oil component having a maximum peak within the range 1,000-20,000 in molecular weight distribution, and carbon black, the content of the uncrosslinked rubber component is 25-65 mass%, the content of the oil component is 35-75 mass%, and the content of the carbon black is 1-40 parts by mass relative to a total of 100 parts by mass of the uncrosslinked rubber component and oil component. It is possible to further incorporate an inorganic filler in addition to the carbon black, and the content of the inorganic filler is preferably greater than 0 parts by mass and not greater than 200 parts by mass relative to a total of 100 parts by mass of the uncrosslinked rubber component and oil component.

IPC Classes  ?

• C09J 7/00 - Adhesives in the form of films or foils
• C09J 11/04 - Non-macromolecular additives inorganic
• C09J 11/06 - Non-macromolecular additives organic
• C09J 121/00 - Adhesives based on unspecified rubbers

Abstract

A printed-wiring board substrate according to one aspect of the present invention is provided with a base film and a metal layer disposed on at least one surface of the base film, and has a nitrogen abundance of 1-10 atomic% per unit area as determined on the basis of the peak area of N1s spectrum in XPS analysis performed on the base film surface that is exposed following the removal of the metal layer by etching using an acidic solution.

IPC Classes  ?

• H05K 3/38 - Improvement of the adhesion between the insulating substrate and the metal

Abstract

The present invention is a self-heating fuser roller provided with a tubular resistor layer which generates heat when electrical current is passed therethrough, wherein the resistor layer has a plurality of slits. The plurality of slits preferably exist at equal intervals in the circumferential direction. The plurality of slits preferably extend in the axial direction. It is preferable that none of the plurality of slits preferably are present at either end edges in the shaft direction. The average width of the slits is preferably not less than 50 μm but not more than 2 mm. The average interval between the slits is preferably not less than 30 μm but not more than 1 mm. The plurality of slits are preferably filled with a resin composition. The resistor layer preferably has a resin matrix and a plurality of conductive particles included in the resin matrix.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat

Abstract

The purpose of the present invention is to provide an adhesive reinforcing sheet which is easily and reliably capable of bonding a surface layer that is mainly composed of a crosslinked fluororesin to an object of bonding. An adhesive reinforcing sheet according to one embodiment of the present invention is provided with: a surface layer that is mainly composed of a crosslinked fluororesin; an intermediate layer that is laminated on one surface of the surface layer and is mainly composed of a metal or a super engineering plastic; and an adhesive layer that is laminated on a surface of the intermediate layer, said surface being on the reverse side of the surface layer-side surface. The crosslinked fluororesin is chemically bonded with the intermediate layer. It is preferable that the intermediate layer is mainly composed of aluminum, stainless steel or iron; and it is also preferable that the intermediate layer is mainly composed of a polyimide, a polyamideimide or a combination thereof. It is preferable that the surface layer has an average thickness of from 10 μm to 1,500 μm (inclusive). Meanwhile, it is preferable that the intermediate layer has an average thickness of from 0.1 μm to 2,000 μm (inclusive).

IPC Classes  ?

• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B29C 65/14 - Joining of preformed partsApparatus therefor by heating, with or without pressure using wave energy or particle radiation
• B32B 7/10 - Interconnection of layers at least one layer having inter-reactive properties
• B32B 15/082 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising vinyl resinsLayered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising acrylic resins
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• C09J 7/02 - on carriers

Abstract

Provided is a heat recovery article that has excellent shrinkability at comparatively low temperatures such as between 130°C to 140°C inclusive, and can also suppress ruptures and breakage as well as allow visual confirmation of the contents therein after shrinking even when used in a wide range of temperature environments from approximately -60°C to approximately 120°C. This heat recovery article has a cylindrical shape and includes a base layer, wherein the base layer contains a polyolefin resin, the melting peak temperature of the base layer after being heated for 2 minutes at 180°C is between 115°C to 128°C inclusive, the heat of fusion of the total resin constituent is between 80 J/g to 150 J/g inclusive, the light transmittance of light having a wavelength of 650 nm in terms of a thickness of 1 mm is 9% or more, and the storage modulus at 120°C is 4 MPa or more. A mixture of a first polyolefin resin having a melting point between 125°C to 135°C inclusive and a second polyolefin resin having a melting point less than 125°C is preferably used as the polyolefin resin.

IPC Classes  ?

• C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
• B32B 1/08 - Tubular products
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 7/00 - Insulated conductors or cables characterised by their form
• H01B 17/58 - Tubes, sleeves, beads or bobbins through which the conductor passes

Abstract

Provided is a heat recovery article that is easily manufacturable and has excellent shrinkability at comparatively low temperatures such as between 130°C to 140°C inclusive, said article also being able to effectively suppress ruptures and breakage and having excellent adhesiveness to an object to be covered even when used in a wide range of temperature environments from approximately -60°C to approximately 120°C. This heat recovery article has a cylindrical shape and includes a base layer, wherein the base layer contains a polyolefin resin, the melting peak temperature of the base layer after being heated for 2 minutes at 180°C is between 115°C to 128°C inclusive, the heat of fusion of the total resin constituent is between 80 J/g to 150 J/g inclusive, the storage modulus at 120°C is 4 MPa or more, the gel fraction is between 40 mass% to 80 mass% inclusive, and the storage modulus at 180°C is from 0.5 MPa to less than 3.0 MPa. A mixture of a first polyolefin resin having a melting point between 125°C to 135°C inclusive and a second polyolefin resin having a melting point less than 125°C is preferably used as the polyolefin resin.

IPC Classes  ?

• C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
• B32B 1/08 - Tubular products
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 7/00 - Insulated conductors or cables characterised by their form
• H01B 17/58 - Tubes, sleeves, beads or bobbins through which the conductor passes

Abstract

−7 or more. An orientation direction of the needle-like filler is preferably an axial direction or a circumferential direction.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
• B32B 1/08 - Tubular products
• B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups

Abstract

The purpose of the present invention is to provide a self-heating fuser roller that has a simple structure, exhibits excellent durability, and can be easily manufactured. A self-heating fuser roller according to an embodiment of the present invention is provided with: a cylindrical metal core; a heat-insulation layer that is layered on the outer peripheral side of the metal core; a heat-generation layer that is layered on the outer peripheral side of the heat-insulation layer, and is heated by a power supply; and a mould-release layer that is layered on the outer peripheral side of the heat-generation layer. The heat-insulation layer may include: a matrix having, as a main component thereof, a synthetic resin or rubber; and a plurality of air cavities included in the matrix. The heat-generation layer may include: a matrix having, as a main component thereof, a synthetic resin or rubber; and a plurality of conductive fillers included in the matrix.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
• F16C 13/00 - Rolls, drums, discs, or the likeBearings or mountings therefor
• H05B 3/00 - Ohmic-resistance heating
• H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater

Abstract

It is an object of the present invention to provide a heat-recoverable article which heat-shrinks in an appropriate temperature range, in which the occurrence of bloom and bleeding is small, and which has excellent resistance to copper-induced damage; and a wire splice and a wire harness each including the heat-recoverable article. A heat-recoverable article according to the present invention has a cylindrical shape and includes a base material layer, in which the base material layer contains an antioxidant and two or more polyolefin resins, the base material layer has one melting-point peak temperature, the melting-point peak temperature is 112° C. to 128° C., the heat of fusion of all of the resin components of the base material layer is 80 to 130 J/g, and the oxidation induction temperature of the base material layer is 265° C. to 280° C.

IPC Classes  ?

• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 1/08 - Tubular products
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08L 23/02 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers not modified by chemical after-treatment
• C08L 23/08 - Copolymers of ethene
• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• H01B 3/28 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• B29C 61/06 - Making preforms having internal stresses, e.g. plastic memory
• H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
• C08L 23/04 - Homopolymers or copolymers of ethene

Abstract

−1. The wire splice and the wire harness according to the present invention includes a tube formed by thermally shrinking the multilayered heat-recoverable article (1).

IPC Classes  ?

• B32B 1/08 - Tubular products
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/16 - Layered products essentially comprising synthetic resin specially treated, e.g. irradiated
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• H01B 17/58 - Tubes, sleeves, beads or bobbins through which the conductor passes
• H01B 3/18 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances
• H02G 15/04 - Cable-end sealings

Abstract

A transparent polyamide resin composition includes a transparent polyamide resin which is a copolymer of an alicyclic diamine and a dicarboxylic acid and which has a refractive index of 1.500 to 1.550, and a transparent crosslinking auxiliary having a refractive index of 1.500 to 1.550, in which the amount of the crosslinking auxiliary added is 13 to 26 parts by mass relative to 100 parts by mass of the transparent polyamide resin, and the crosslinking auxiliary is dispersed, as phases with a diameter of 350 nm or less, in the transparent polyamide resin. A crosslinked transparent polyamide resin molded body is obtained by molding the transparent polyamide resin composition and crosslinking the transparent polyamide resin.

IPC Classes  ?

• C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
• C08K 5/3492 - Triazines
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids

Abstract

A wire harness pipe includes an aluminum pipe, a heat shrink tube that coats the outer surface side of the aluminum pipe, and an adhesive layer that is disposed between the aluminum pipe and the heat shrink tube.

IPC Classes  ?

• F16L 57/00 - Protection of pipes or objects of similar shape against external or internal damage or wear
• H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
• B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
• F16L 9/00 - Rigid pipes
• F16L 9/147 - Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
• H01B 7/00 - Insulated conductors or cables characterised by their form

Abstract

The purpose of the present invention is to provide a polyimide tube for fixing belts, which has excellent toner fixability. A polyimide tube for fixing belts of image forming apparatuses according to the present invention is provided with a polyimide layer that is mainly composed of a polyimide, while containing a needle-like filler. The needle-like filler contains carbon nanotubes and needle-like titanium oxide, and the product of the thermal diffusivity (m2/s) and the elongation at break (%) in the axial direction of the polyimide layer is 35 × 10-7 or more. It is preferable that the needle-like filler is aligned in the axial direction or in the circumferential direction.

IPC Classes  ?

• G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat

Abstract

An object of the present invention is to provide a heat-recoverable article that thermally shrinks in a suitable temperature range and that does not easily split, and a wire splice and a wire harness that use the heat-recoverable article. The heat-recoverable article according to the present invention is a cylindrical, heat-recoverable article including a base layer. The base layer contains two or more polyolefin-based resins and a flame retardant, the base layer has a single melting-point peak temperature, the melting-point peak temperature is 112° C. or more and 128° C. or less, and a heat of fusion of the base layer is 60 J/g or more and 85 J/g or less. A heat of fusion of a total resin component of the base layer is preferably 80 J/g or more and 135 J/g or less.

IPC Classes  ?

• H01B 7/00 - Insulated conductors or cables characterised by their form
• B32B 1/08 - Tubular products
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• H02G 1/14 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for joining or terminating cables
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08L 23/02 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers not modified by chemical after-treatment
• C08L 23/08 - Copolymers of ethene
• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• H01B 3/28 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• B29C 61/06 - Making preforms having internal stresses, e.g. plastic memory
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame

Abstract

A highly flowable polyamide resin for which the viscosity at a shear rate of 1 s-1 at 150°C is not more than 10 Pa∙s and the viscosity at a shear rate of 1 s-1 at 125°C is at least 100 Pa∙s, the resin having a low viscosity such that the resin can penetrate easily into a wire harness element wire at thermal contraction temperatures while attaining a high viscosity such that resin flow does not occur at temperatures at which the wire harness is used. In particular, a highly flowable polyamide resin wherein: an acid component (a) having a polymerized fatty acid, which comprises a C16-48 dimer acid and in which the content of said dimer acid is at least 30 mass%, as the main component, an acid component (b), which has a dibasic acid selected from a group consisting of C6-22 dicarboxylic acids and ester derivatives thereof as the main component, and an amine component (c), which has a diamine as the main component, are connected by amides bonds; and the mass ratio of the acid component (a) to the acid component (b) is within a prescribed range.

IPC Classes  ?

• C08G 69/34 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids using polymerised unsaturated fatty acids

Abstract

The present invention is: a heat shrink tube or heat shrink cap having an adhesive layer on the inner surface, wherein the adhesive layer comprises a low viscosity adhesive layer formed from a resin for which the viscosity at the heat shrink temperature at a shear rate of 1 s-1 is not more than 10 Pa∙s and the viscosity at the maximum continuous use temperature at a shear rate of 1 s-1 is at least 100 Pa∙s, which are used for waterproofing exposed electric wire sections of electric wire bundles such as wire harnesses, which can achieve waterproofing as well as water-stopping between element wires by simply covering exposed sections of the electric wires therewith and heat-shrinking, and for which there is no outflow of resin during heat-shrinking; and an electric wire bundle-waterproofing method using same.

IPC Classes  ?

• B32B 1/08 - Tubular products
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• H02G 15/04 - Cable-end sealings
• C09J 201/00 - Adhesives based on unspecified macromolecular compounds

Abstract

A multilayered heat-recoverable article according to the present invention includes a cylindrical base material layer and an adhesive layer disposed on an inner peripheral surface of the base material layer, in which the base material layer contains a polyethylene and an oxidation inhibitor, the adhesive layer contains an ethylene-vinyl acetate copolymer and an oxidation inhibitor, the oxidation induction temperature of the base material layer is 255° C. to 270° C., and the oxidation induction temperature of the adhesive layer is 255° C. or higher.

IPC Classes  ?

• H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
• H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
• H02G 15/08 - Cable junctions
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 1/08 - Tubular products
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
• H02G 1/14 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for joining or terminating cables

Abstract

Provided is a method for producing a porous polytetrafluoroethylene film having good chemical resistance, good heat resistance, a high porosity, and good dimensional stability. The method for producing a porous polytetrafluoroethylene film includes a stretching step of stretching a sheet-like molded body composed of a fluororesin containing polytetrafluoroethylene as a main component in a longitudinal direction and/or a lateral direction at a temperature lower than a melting point of the fluororesin to make a porous fluororesin film, and, after the stretching step, an annealing step of holding the porous fluororesin film in a shape-fixed state, and maintaining the porous fluororesin film at a temperature lower than the melting point of the fluororesin but not lower than a temperature 30° C. lower than the melting point for 1 to 20 hours.

IPC Classes  ?

• C08J 5/18 - Manufacture of films or sheets
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 71/36 - Polytetrafluoroethene
• B29C 55/00 - Shaping by stretching, e.g. drawing through a dieApparatus therefor
• B01D 69/06 - Flat membranes
• B29K 27/18 - PTFE, i.e. polytetrafluorethene
• B29L 7/00 - Flat articles, e.g. films or sheets

Abstract

A flame-retardant flexible polymer composition includes a polymer component that contains 98 to 80 parts by mass of a chlorinated polyethylene and 2 to 20 parts by mass of a polyolefin polymer; and calcium hydroxide particles having a surface containing calcium silicate, wherein a content of the particles relative to 100 parts by mass of the polymer component is 5 parts by mass or more and 20 parts by mass or less. A polymer tube is formed from the flame-retardant flexible polymer composition. An insulated wire includes an insulation formed from the flame-retardant flexible polymer composition.

IPC Classes  ?

• C08L 23/28 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/26 - CarbonatesBicarbonates
• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene

Abstract

A porous filter comprising a porous laminate having a plurality of PTFE biaxially stretched porous sheets laminated therein. The Gurley number (G) and the bubble point (B) of the porous laminate fulfil formulas (1) and (2). log G > 3.7 × 10-3 × B - 0.8 … (1) log G < 4.9 × 10-3 × B + 0.45 … (2)

IPC Classes  ?

• B01D 71/36 - Polytetrafluoroethene
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 69/10 - Supported membranesMembrane supports
• B01D 69/12 - Composite membranesUltra-thin membranes
• B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous

Abstract

A porous polytetrafluoroethylene composite includes a porous polytetrafluoroethylene film, a porous support layer that supports the porous polytetrafluoroethylene film, an adhesive layer bonded to the porous polytetrafluoroethylene film, and a porous reinforcement layer bonded to the adhesive layer, in which the adhesive layer is a layer composed of a fluororesin having a melting point, or a glass transition point when a melting point is not clearly defined, of lower than 260° C.

IPC Classes  ?

• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• C08J 5/18 - Manufacture of films or sheets
• B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
• B01D 69/12 - Composite membranesUltra-thin membranes
• B01D 71/36 - Polytetrafluoroethene
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms

Abstract

2 or more, and a melting point peak is 333° C. or lower.

IPC Classes  ?

• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 71/06 - Organic material
• B29C 55/12 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets multiaxial biaxial
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• C08J 5/18 - Manufacture of films or sheets
• B29C 67/20 - Shaping techniques not covered by groups , or for porous or cellular articles, e.g. of foam plastics, coarse-pored
• B01D 71/32 - Polyalkenyl halides containing fluorine atoms
• B01D 71/36 - Polytetrafluoroethene
• B29C 55/00 - Shaping by stretching, e.g. drawing through a dieApparatus therefor
• B29K 27/18 - PTFE, i.e. polytetrafluorethene
• B29L 7/00 - Flat articles, e.g. films or sheets
• B29K 105/04 - Condition, form or state of moulded material cellular or porous

Abstract

A multilayered heat-recoverable article 1 includes a base material layer 10 and an adhesive layer 11 disposed on an inner side of the base material layer 10. The adhesive layer 11 does not flow at a temperature of 135° C. and includes a thermoplastic resin and a viscosity characteristics modifier composed of at least one selected from the group consisting of silica, an organically treated layered silicate, and a deterioration inhibitor. In the case where the multilayered heat-recoverable article 1 is used to cover an insulated electrical wire which includes a conductor and a polyvinyl chloride layer provided on the outer periphery thereof, cracks do not occur in the polyvinyl chloride layer under heating conditions at 135° C. for 200 hours.

IPC Classes  ?

• H02G 15/26 - Expansion vesselsLocking headsAuxiliary pipe-lines
• H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
• H01B 7/00 - Insulated conductors or cables characterised by their form
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 1/08 - Tubular products
• C09J 7/02 - on carriers
• B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• C08K 3/34 - Silicon-containing compounds
• C08K 3/36 - Silica
• C08K 9/04 - Ingredients treated with organic substances