A sheet-shaped cushioning rubber including a planar base portion and a three-dimensional portion formed to rise from the base portion toward one side in a sheet thickness direction, the planar base portion and the three-dimensional portion being alternately provided in one direction of a sheet plane, wherein the three-dimensional portion includes a hollow portion that opens toward the other side in the sheet thickness direction. The three-dimensional portion is integrally provided with a first rising surface that is continuous from the base portion, a top surface, a second rising surface on a side opposite to the first rising surface, and a pair of rising surfaces on both sides in a sheet width direction, and the hollow portion opens only toward the other side in the sheet thickness direction.
F16F 1/376 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by having a particular shape having projections, studs, serrations or the like on at least one surface
F16F 1/371 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by inserts or auxiliary extension elements, e.g. for rigidification
F16F 1/377 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by having a particular shape having holes or openings
F16F 3/087 - Units comprising several springs made of plastics or the like material
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16M 11/22 - Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
A gear structure includes a gear member including: an outer circumferential surface provided with a plurality of gear teeth; and an inner circumferential surface disposed in an inward direction from the outer circumferential surface; an annular mass body disposed in the inward direction from the inner circumferential surface; and an elastic body interposed between the gear member and the mass body.
An anti-vibration rubber composition is provided in which the ratio of the storage elastic modulus E′ at −30° C. to the storage elastic modulus E′ at 90° C. after crosslinking (−30° C./90° C.) is 6.4 or less, as measured with reference to JIS K6394: 2007.
A gear structure includes a gear member including an outer circumferential surface provided with a plurality of gear teeth, and a band member surrounding the gear member and pressing the plurality of gear teeth inwardly.
A fluororubber composition comprising 0.1 to 1 parts by weight of a compound represented by the general formula:
A fluororubber composition comprising 0.1 to 1 parts by weight of a compound represented by the general formula:
A fluororubber composition comprising 0.1 to 1 parts by weight of a compound represented by the general formula:
(wherein any two of R1, R2, and R5 are lower alkyl groups having 1 to 5 carbon atoms, preferably a tert-butyl group or a tert-amyl group, and the remaining one is hydrogen, and X is a methyl group or a hydroxyl group) and having a number average molecular weight Mn of 200 to 300, based on 100 parts by weight of peroxide-crosslinkable fluororubber. The fluororubber composition that can be vulcanized at a high speed and has excellent scorch stability. Moreover, the crosslinked product can obtain stable product quality.
The present invention provides four-branched water-soluble polymers for medical use that are represented by the following formula (1) or the formula (2) (the symbols in the following formulas are as defined in the specification.
The present invention provides four-branched water-soluble polymers for medical use that are represented by the following formula (1) or the formula (2) (the symbols in the following formulas are as defined in the specification.
A61K 47/59 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
C08G 65/32 - Polymers modified by chemical after-treatment
7.
SEALING STRUCTURE AND METHOD FOR MANUFACTURING SEALING STRUCTURE
This sealing structure is provided with: a first member in which a mounting hole is formed; a second member that faces the first member; a fastener that is inserted into the mounting hole and fastens the first member and the second member; and a gasket that includes a plurality of constituent parts positioned between the first member and the second member. The plurality of constituent parts include a first constituent part that includes a first end surface, and a second constituent part that includes a second end surface facing the first end surface. The fastener is positioned between the first end surface and the second end surface.
The present invention provides an ester synthesized from a component A that is at least one selected from C2-8 divalent alcohols, a component B that is at least one selected from C2-10 divalent carboxylic acids, and a component C that is at least one selected from C4-6 hydroxycarboxylic acids having two or more carboxy groups.
This electrode for living bodies is provided with: a porous base material in which a plurality of pores are formed; and a conductive coating material that coats the surface of the porous base material and the inner surfaces of the plurality of pores.
A sealing device is provided to achieve sealing between an outer-periphery-side member and an inner-periphery-side member that are able to relatively rotate, and includes: an outer seal member to be attached to the outer-periphery-side member; and an inner seal member to be attached to the inner-periphery-side member. The outer seal member includes an annular member that includes an inner tubular portion extending along an axis direction and a seal lip portion that slide-contacts the inner seal member on a side closer to an internal space than the annular member. The inner seal member includes an inner contact portion that includes a plurality of protrusions and slide-contacts the inner tubular portion. A length of a region of the inner contact portion where the plurality of protrusions are formed is longer than a minimum interval between facing portions of the outer seal member and the inner seal member.
This rubber composition contains (A) a polymer, (B) a crosslinking agent, and (C) a coloring agent. The coloring agent (C) does not contain an inorganic black pigment. As a rubber sheet, the rubber composition demonstrates: a minimum transmittance at a wavelength of 800-1600 nm of 50% or greater; a minimum transmittance at a wavelength of 900-1100 nm of 80% or greater; a maximum transmittance at a wavelength of 300-700 nm of 40% or less; and a maximum transmittance at a wavelength of 300-650 nm of 1% or less.
A sealing device includes an annular reinforcing ring fixed to a housing, an annular elastic member that includes a fixing portion fixed to the reinforcing ring, and a lip that protrudes from the fixed portion and is in slidable contact with an outer peripheral surface of a shaft, and at least one annular spring that presses the lip against the outer peripheral surface of the shaft, the lip being between the at least one spring and the outer peripheral surface of the shaft. The elastic member is made of an electrically conductive elastic material. A contact surface, which is a part of the lip and is in contact with the outer peripheral surface of the shaft, is straight when viewed in a cross section defined by a plane that includes a central axis of the elastic member. A width of the at least one annular spring is greater than its thickness.
F16J 15/3284 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structureSelection of materials
F16J 15/324 - Arrangements for lubrication or cooling of the sealing itself
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A sealing device is configured to seal a clearance between a housing and a shaft of a hydraulic cylinder. The sealing device includes an annular packing that is disposed within the clearance and comprises an elastic material, and a back-up ring that is in contact with the packing. The back-up ring has a contact surface that is in contact with the shaft, and a portion including at least the contact surface of the back-up ring comprises a resin composition that includes a base material and a filler material. The base material comprises a polyamide resin, and the filler material comprises a polyolefin resin that is compatible with the polyamide resin.
A sealing structure having a circular pillar-shaped shaft that has an annular groove, which is continuous in a circumferential direction, on an outer circumferential surface, a housing having a shaft hole into which the shaft is inserted, a seal ring which seals a gap between the shaft and the housing, and a backup ring disposed on the low-pressure side of the seal ring inside the annular groove, wherein: there is a tapered surface α on the low-pressure side of the groove bottom of the annular groove; a taper angle θα is 15° to 50°; the backup ring has a tapered surface β; and a taper angle θβ is larger than the taper angle θα.
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Gaskets; Junctions for pipes, not of metal; Joint packings; O-rings; Washers of rubber or vulcanized fiber; Chemical fiber, not for textile use; Rings of rubber; Rubber cords and laces; Industrial packaging containers of rubber; Rubber stoppers; Rubber lids and caps for industrial packaging containers; Electrical insulating materials; Adhesive tapes, other than stationery and not for medical or household purposes; Plastic semi-worked products; Rubber [raw or semi-worked]; bands, of synthetic resin.
This laminate comprises: a first member, which is made of a silicone rubber; a second member, which is made of a polycarbonate; and a bonding layer which is formed from a silane coupling agent having a glycidyl group and by which the first member is bonded to the second member.
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
C09J 5/02 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
A heat conducting structure (1) comprises a soft heat conducting member (10) that is a soft member having thermal conductivity. The soft heat conducting member (10) is a member that is capable of maintaining the shape thereof. The soft heat conducting member (10) is filled between a heat dissipating member (2) and a receiving member (3).
A seal material (100) comprises a seal material body (10) that fulfills a sealing function between members, and a detection unit (20) that changes color when in contact with a gas to be detected.
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY (Japan)
Inventor
Tange, Kota
Yoshioka, Hiroki
Nakai, Yuta
Akita, Hidetaka
Sakurai, Yu
Tanaka, Hiroki
Fujita, Shoya
Abstract
The present invention provides a lipid nanoparticle used for delivering a nucleic acid to a brain tissue, including an ionic lipid represented by the formula (1), phospholipid, cholesterol, and a dimyristoylglycerol PEG with a number average molecular weight of PEG chain of 4,000 to 6,000, wherein an amount of the dimyristoylglycerol PEG is 1 to 6 mol % with respect to the total of the ionic lipid represented by the formula (1), the phospholipid, and the cholesterol (the symbols in the formula (1) are as defined in the specification).
The present invention provides a lipid nanoparticle used for delivering a nucleic acid to a brain tissue, including an ionic lipid represented by the formula (1), phospholipid, cholesterol, and a dimyristoylglycerol PEG with a number average molecular weight of PEG chain of 4,000 to 6,000, wherein an amount of the dimyristoylglycerol PEG is 1 to 6 mol % with respect to the total of the ionic lipid represented by the formula (1), the phospholipid, and the cholesterol (the symbols in the formula (1) are as defined in the specification).
A pipe connection tool (11) for connecting two pipes is mainly configured from a cylindrical elastic body (21) made of rubber, connection parts (22A, 22B) respectively fitted to the two pipes being provided at both ends, and a film part (23) being provided in a center portion. A first reinforcing ring (31) is embedded in one connection part (22A), and a second reinforcing ring (41) is embedded in the other connection part (22B). The first reinforcing ring (31) has a first cylindrical part (32) and a first flange (33), and the second reinforcing ring (41) has a second cylindrical part (42) and a second flange (43). The first flange (33) receives the force of a jig in a direction from the other connection part (22B) toward the one connection part (22A), and the second flange (43) receives, on the outer-peripheral side of the elastic body (21), the force of a jig in a direction from the one connection part (22A) toward the other connection part (22B).
[Problem] To provide a gasket which has high shape conformability to an object to be brought into contact therewith, and has excellent pressure resistance and heat resistance. [Solution] A gasket 1 comprises: a plurality of flow path parts 10, each of which is a cylindrical member and has a pair of openings 11, 12; and a base body 20 which has a front surface 21 and a back surface 22 that constitute a pair of surfaces opposite to each other. The base body 20 has elasticity. The flow path parts 10 are held by the base body 20 so as to form flow paths for a sealing target object such that the openings 11, 12 respectively open in the front surface 21 and the back surface 22 of the base body 20. The hardness of the base body 20 is lower than the hardness of the flow path parts 10.
A hollow fiber membrane module 10 comprises: an outer case 100; an inner case 200; a hollow fiber membrane bundle 300 composed of a plurality of hollow fiber membranes filled in an annular gap between the outer case 100 and the inner case 200; a first sealing part 410; and a second sealing part 420, the hollow fiber membrane module 10 having formed therein a membrane exterior passage, which passes from an opening in the inner case 200, through a first through hole 230, past the exteriors of the plurality of hollow fiber membranes, and to a second through hole 130, and, and a membrane interior passage, which passes through the interiors of the plurality of hollow fiber membranes, said hollow fiber membrane module 10 being characterized in that a cylindrical member 500 having a plurality of third through-holes 510 that form a part of the membrane exterior passage is provided between the hollow fiber membrane bundle 300 and the outer case 100.
A fuel cell composite sheet having high handleability and a method for manufacturing a fuel cell composite sheet. The fuel cell composite sheet includes a frame body, a membrane electrode assembly which is disposed in the frame body and which includes a gas diffusion layer, and a holding member as a sheet. The holding member is harder than the frame body and holds the membrane electrode assembly. It is possible to prevent warpage by holding the membrane electrode assembly by using the holding member. This makes it possible to improve handleability at the time of molding, assembling, and the like.
A gasket includes protrusion portions that respectively protrude to contact side surfaces facing each other of the groove to which the gasket is to be attached, an upper side seal lip portion that is formed to contact one of surfaces facing each other between members, a lower side seal lip portion that is formed to contact another one of the surfaces facing each other between the members, and a joining portion that joins the upper side seal lip portion and the lower side seal lip portion, wherein the joining portion extends along a virtual straight line in a section of the gasket, the upper side seal lip portion has upper side seal lips extending side by side between the protrusion portions in the joining portion, the lower side seal lip portion has lower side seal lips extending side by side between the protrusion portions in the joining portion, each of the upper side seal lips is tapered, and each of the lower side seal lips is tapered.
A pressure-regulating valve for a power storage module includes a case having a recessed part, and a through-hole formed in a bottom portion of the recessed part, a valve body positioned in the recessed part and capable of opening and closing the through-hole by elasticity, and a plug body that closes the recessed part, and the case and the plug body are attachably and detachably fixed.
H01M 50/325 - Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
H01M 50/308 - Detachable arrangements, e.g. detachable vent plugs or plug systems
Provided is a sealing structure capable of suppressing, when a gasket is mounted on a mounting groove, a part of the gasket from getting loose from the mounting groove. A gasket 300 is provided with: an annular gasket body part 310 mounted on a mounting groove 210; and a plurality of protrusions 320 provided on an inner peripheral surface of the gasket body part 310 at intervals in a circumferential direction. In a state before the gasket 300 is mounted on the mounting groove 210, and a first member and a second member are fixed, the gasket 300 is characterized in that the protrusion 320 contacts a side wall surface on one side of the mounting groove 210, and the gasket body part 310 has a meandering part 312 not in contact with side wall surfaces on both sides of the mounting groove 210.
The disclosure provides a steering dust seal which seals a gap between a shaft hole of a column hole provided in a dashboard and a steering shaft. The steering dust seal includes an annular mounting portion attached to an inner peripheral surface of the shaft hole, an annular bumper facing the steering shaft in a non-contact state, a bellows connecting the mounting portion and the bumper, and a seal lip extending from the bumper to contact with the steering shaft. A lip included in the seal lip is covered over its entire circumference with a resin-made sliding portion having a friction coefficient preventing abnormal noise from occurring due to a stick-slip phenomenon between the rotating steering shaft and the sliding portion.
Provided is an electrically conductive structure with which it is possible to suppress deterioration of conductive performance in a use state while saving space. The electrically conductive structure (1) comprises a holding member (2) that has annular electric conductivity around an axis x, and an electrically conductive member (3) that is annular around the axis (x). The electrically conductive member (3) has a gap (10) that is provided so as to extend in at least one radial direction, and an electrically conductive body (20) that is electrically conductive and extends around at least one axis x. The electrically conductive member (3) is held by the holding member (2). The electrically conductive body (20) has a pair of ends (20a, 20b) in the direction around the axis x. The gap (10) is continuous with the ends (20a, 20b) of the electrically conductive body (20).
The present invention addresses the problem of providing a sealing device capable of achieving long-term electrical conductivity between a rotary shaft and a housing at low cost and in a space-saving manner. The problem is solved by a sealing device that is disposed in and seals a gap between an outer surface of a rotary shaft and an inner surface of a housing having a shaft hole into which the rotary shaft is inserted, the inner surface forming the shaft hole, and that can provide electrical conductivity between the housing and the rotary shaft pressed against the inner surface of the housing forming the shaft hole when the rotary shaft rotates.
The present invention provides an analysis method including separating a compound of the formula (1):
The present invention provides an analysis method including separating a compound of the formula (1):
The present invention provides an analysis method including separating a compound of the formula (1):
contained in a polyoxyethylene derivative by reversed-phase chromatography, and detecting the compound with an ultraviolet visible spectrometer detector, in which ultraviolet light with a wavelength shorter than 200 nm as the detection wavelength is used, and an acidic substance with a maximum molar absorption coefficient of not more than 20 M−1cm−1 at 190 to 200 nm and a pKa of not more than 4 is used as an additive to the mobile phase for analysis.
A sealing device (1) comprises: a reinforcement ring (10); and an elastic body part (20) that has a seal lip (21) and that is formed from an elastic body attached to the reinforcement ring (10). An atmosphere-side surface (23) of a lip distal end (22) of the seal lip (21) includes: a suppression part (30) for suppressing leakage of a sealed fluid to an atmosphere side (a) during forward rotation of a rotating shaft (50); and a storage part (40) for storing the sealed fluid leaked to the atmosphere side (a) during reverse rotation of the rotating shaft. The suppression part (30) has a plurality of screw projections (31) that serve to return the leaked sealed fluid to a sealed object side (b) by means of a pump function when the rotating shaft rotates forward. The storage part (40) has a dam section (41) that, when the rotating shaft rotates in reverse, serves to dam the sealed fluid leaked to the atmosphere side (a).
An EPDM composition that includes 1 to 12 parts by weight of liquid polybutadiene and 1 to 12 parts by weight of a plant-derived component-containing terpene resin based on 100 parts by weight of a plant-derived component-containing ethylene-propylene-diene terpolymer. The EPDM composition is obtained by adding, to EPDM that has, at least in part, a plant-derived component with low environmental impact, liquid polybutadiene, which is compatible with EPDM and can improve roll processability by reducing the compound viscosity, and further using a specific amount of a plant-derived component-containing terpene resin for the biomass degree, which is reduced due to the addition of the liquid. The rate of change in biomass degree is less than ±1.5% in comparison to a composition to which liquid polybutadiene and a plant-derived component-containing terpene resin are not added.
An object is to provide a polydimethylsiloxane-containing monomer that exhibits satisfactory compatibility with a hydrophilic monomer and a hydrophilic polymer, in which a polymerization product obtained by polymerizing a composition including the polydimethylsiloxane-containing monomer, the hydrophilic monomer, and the hydrophilic polymer has an anti-lipid adhesion property. It has been recognized that a polydimethylsiloxane-containing monomer having a phosphorylcholine group and a hydroxy group can achieve the object, and thus the present disclosure has been completed.
C08L 83/10 - Block- or graft-copolymers containing polysiloxane sequences
C08G 77/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon
C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08G 77/28 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen sulfur-containing groups
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
Provided is a hollow fiber membrane module that allows reducing pressure loss of a dry gas and a moist gas. A hollow fiber membrane module has: a hollow fiber membrane bundle; a case in which the hollow fiber membrane bundle is accommodated; a pair of sealing and fixing parts that fixes the hollow fiber membrane bundle to the case; intra-membrane channels; and extra-membrane channels. Moisture in the moist gas is supplied into the dry gas by virtue of the membrane separation effect of the hollow fiber membranes. A first channel is provided, which runs through the case from one end side to the other end side and through which part of the dry gas flows without passing through the intra-membrane channels.
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
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
Disclosed is an oil agent for cosmetic preparations, the oil agent containing 5-60% by mass of an isoparaffin that has an average number of carbon atoms of 50-250 (component (A)), 30-90% by mass of an isoparaffin that has an average number of carbon atoms of 20-24 (component (B)), and 0.3-10% by mass of an isoparaffin that has 14 carbon atoms or a paraffin (component (C)). The mass ratio ((A)/(C)) of the component (A) to the component (C) is 1-150, and the mass ratio ((B)/(C)) of the component (B) to the component (C) is 5-100.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 1/00 - Make-up preparationsBody powdersPreparations for removing make-up
The present invention provides a pH-responsive lipid derivative represented by a structure represented by the following formula (i):
The present invention provides a pH-responsive lipid derivative represented by a structure represented by the following formula (i):
The present invention provides a pH-responsive lipid derivative represented by a structure represented by the following formula (i):
(in the above-mentioned formula, each symbol is as described in the specification), and a pH-responsive transport carrier which is useful as a transport carrier for safely and efficiently performing delivery of low-molecular-weight drugs and the like to tumor tissues.
A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
A61K 31/7088 - Compounds having three or more nucleosides or nucleotides
A61K 38/02 - Peptides of undefined number of amino acidsDerivatives thereof
This fluororubber composition is obtained by compounding 10-60 wt parts of wollastonite having an aspect ratio of 7-15 and 2-20 wt parts of diatomaceous earth per 100 wt parts of a fluororubber having a hardness Hs of 75-85. This fluororubber composition is used suitably as a molding material of an oil seal for normal/reverse rotation that enables maintenance of good fluid sealing even under high-temperature conditions such as a use environment temperature of 100-200°C and under high-speed rotation such as 8,000-15,000 rpm in normal/reverse rotation operation.
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
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY (Japan)
Inventor
Nakai, Yuta
Tange, Kota
Yoshioka, Hiroki
Tamagawa, Shinya
Akita, Hidetaka
Tanaka, Hiroki
Takata, Nae
Konishi, Manami
Takahashi, Tatsunari
Abstract
The invention provides a cationic lipid, a lipid membrane structure containing same, and use thereof. The cationic lipid is represented by the formula (1)
The invention provides a cationic lipid, a lipid membrane structure containing same, and use thereof. The cationic lipid is represented by the formula (1)
The invention provides a cationic lipid, a lipid membrane structure containing same, and use thereof. The cationic lipid is represented by the formula (1)
wherein R1a, R1b, R2a, R2b, R3a, R3b, Xa, Xb, Ya, Yb, Za, and Zb are as defined in the specification.
A61K 9/127 - Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
A61K 48/00 - Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy
C07C 323/25 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
C07D 211/22 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulfur atoms by oxygen atoms
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
A valve (100) is provided with: a valve component (10) formed from an elastic body and having a lip part (11) in an umbrella form; and a mounting pin (20) for mounting the valve component (10) on a mounting object (for example, a top plate (212) of a battery case (210)) while passing through the center portion of the valve component (10).
C12Q 1/6806 - Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
C08F 230/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
Provided are a cosmetic oil agent capable of providing good affinity to the skin, powdery feeling with moisture and excellent rinsing property with water and a cosmetic containing the same. The cosmetic oil agent contains 97 to 99.9 mass % of (A) a straight-chain saturated hydrocarbon having a carbon number of 8 to 13, and 0.1 to 3 mass % of (B) a monovalent alcohol having a carbon number of 16 to 24.
An object is to provide a polydimethylsiloxane-containing monomer that exhibits satisfactory compatibility with a hydrophilic monomer and a hydrophilic polymer, in which a polymerization product obtained by polymerizing a composition including the polydimethylsiloxane-containing monomer, the hydrophilic monomer, and the hydrophilic polymer has an anti-lipid adhesion property. It has been recognized that a polydimethylsiloxane-containing monomer having a phosphorylcholine group and a hydroxy group can achieve the object, and thus the present disclosure has been completed.
C08G 77/50 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
Provided is a thermal storage heat exchanger capable of keeping a heat medium warm for a long time and having a compact structure. In a thermal storage heat exchanger for warming or cooling a heat medium in a first pipe by exchanging heat between the first pipe forming a part of the first fluid circuit and a second pipe forming a part of the second fluid circuit. The first pipe and the second pipe have a nested structure and the thermal storage heat exchanger includes a first upstream valve configured for opening and closing an inlet port of the first pipe and a first downstream valve configured for opening and closing an outlet port of the first
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
44.
ALKENYL-GROUP-CONTAINING POLYOXYALKYLENE COMPOUND, SILICONE MODIFIER, POLYOXYALKYLENE-MODIFIED SILICONE, AND EMULSION COMPOSITION
Provided is an alkenyl-group-containing polyoxyalkylene compound represented by formula (1). R1O-(A))n-R2(1) (In formula (1), AO is a C2-4 oxyalkylene group obtained by a dehydration condensation reaction using phosphinic acid or a phosphinate. n represents the average number of mol of AO added, and n is 3-90. R1is a C3-5 alkenyl group, and R2 is a C3-5 alkenyl group or a hydrogen atom. The ratio (Mw/Mn) of the weight-average molecular weight (Mw) and the number-average molecular weight (Mn) calculated from a chromatogram obtained by gel permeation chromatography is 1.20-5.00.)
A cosmetic oil agent contains 30 to 65 mass % of a component (A), 35 to 70 mass % of a component (B) and 0.1 to 20 mass % of a component (C), wherein a ratio ((A)/(B)) of a mass of the component (A) with respect to a mass of the component (B) is 0.5 to 2, and a ratio [((A)+(B))/(C)] of a total of the masses of the component (A) and the component (B) with respect to a mass of the component (C) is 10 to 200,
A cosmetic oil agent contains 30 to 65 mass % of a component (A), 35 to 70 mass % of a component (B) and 0.1 to 20 mass % of a component (C), wherein a ratio ((A)/(B)) of a mass of the component (A) with respect to a mass of the component (B) is 0.5 to 2, and a ratio [((A)+(B))/(C)] of a total of the masses of the component (A) and the component (B) with respect to a mass of the component (C) is 10 to 200,
The component (A): a straight-chain saturated hydrocarbon having a carbon number of 8 to 13,
A cosmetic oil agent contains 30 to 65 mass % of a component (A), 35 to 70 mass % of a component (B) and 0.1 to 20 mass % of a component (C), wherein a ratio ((A)/(B)) of a mass of the component (A) with respect to a mass of the component (B) is 0.5 to 2, and a ratio [((A)+(B))/(C)] of a total of the masses of the component (A) and the component (B) with respect to a mass of the component (C) is 10 to 200,
The component (A): a straight-chain saturated hydrocarbon having a carbon number of 8 to 13,
The component (B): a straight-chain saturated hydrocarbon having a carbon number of 14 to 20,
A cosmetic oil agent contains 30 to 65 mass % of a component (A), 35 to 70 mass % of a component (B) and 0.1 to 20 mass % of a component (C), wherein a ratio ((A)/(B)) of a mass of the component (A) with respect to a mass of the component (B) is 0.5 to 2, and a ratio [((A)+(B))/(C)] of a total of the masses of the component (A) and the component (B) with respect to a mass of the component (C) is 10 to 200,
The component (A): a straight-chain saturated hydrocarbon having a carbon number of 8 to 13,
The component (B): a straight-chain saturated hydrocarbon having a carbon number of 14 to 20,
The component (C): a monovalent alcohol having a carbon number of 16 to 24.
Provided is an alkaline cleaning agent that does not tend to affect screen plates, and permitting easy removal of electroconductive paste adhered to the screen plate. One embodiment relates to a cleaning agent composition for electroconductive paste, the cleaning agent composition containing a compound (component (A)) represented by formula (1) and an aliphatic alcohol (component (B)) having 2-6 (inclusive) carbon atoms and a molecular weight of 40-120 (inclusive). The pH of the cleaning agent composition is 11.0 or more and less than 14.0. Relative to the total mass of the cleaning agent composition, the content of the component (A) is 0.1-5 mass % (inclusive) and the content of the component (B) is 5-40 mass % (inclusive).
Provided is an alkaline cleaning agent that does not tend to affect screen plates, and permitting easy removal of electroconductive paste adhered to the screen plate. One embodiment relates to a cleaning agent composition for electroconductive paste, the cleaning agent composition containing a compound (component (A)) represented by formula (1) and an aliphatic alcohol (component (B)) having 2-6 (inclusive) carbon atoms and a molecular weight of 40-120 (inclusive). The pH of the cleaning agent composition is 11.0 or more and less than 14.0. Relative to the total mass of the cleaning agent composition, the content of the component (A) is 0.1-5 mass % (inclusive) and the content of the component (B) is 5-40 mass % (inclusive).
R1—O—(C2H4O)a-H Formula (1)
Provided is an alkaline cleaning agent that does not tend to affect screen plates, and permitting easy removal of electroconductive paste adhered to the screen plate. One embodiment relates to a cleaning agent composition for electroconductive paste, the cleaning agent composition containing a compound (component (A)) represented by formula (1) and an aliphatic alcohol (component (B)) having 2-6 (inclusive) carbon atoms and a molecular weight of 40-120 (inclusive). The pH of the cleaning agent composition is 11.0 or more and less than 14.0. Relative to the total mass of the cleaning agent composition, the content of the component (A) is 0.1-5 mass % (inclusive) and the content of the component (B) is 5-40 mass % (inclusive).
R1—O—(C2H4O)a-H Formula (1)
(In formula (1), R1 represents a C6-18 branched alkyl group and a, which is the average number of added mol of C2H4O groups, is a number 2-10 (inclusive).)
A hollow fiber membrane module includes: an inner case; an outer case that covers the inner case from an outer periphery side with a space left therebetween; at least one bypass pipe that connects to the inner case in the space between the inner case and the outer case; and a plurality of hollow fiber membranes that are provided in the space, the inner case including, on an upstream side, an introduction portion that establishes communication between inside and outside, the outer case including, on a downstream side, a discharge portion that establishes communication between the inside and the outside, the inner case including, on the downstream side, at least one bypass port that penetrates through the inner case between the inside and the outside, the bypass pipe communicating with the bypass port and being capable of forming a fluid path that connects the bypass port and the discharge portion.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
Provided is a soft contact lens solution that imparts surface hydrophilicity, lubricity, and a lipid adhesion-suppressing ability to a soft contact lens. It has been found that a solution containing two specific kinds of copolymers and a buffering agent can achieve the above-mentioned object. Thus, the soft contact lens solution of the present disclosure has been completed.
A rubber-made gasket that can be attached to a surface of an attachment-receiving object having an attachment hole, the rubber-made gasket having: a housing section having an opening to be closely attached to the attachment-receiving object; and a protrusion that is directly or indirectly continuous with an end portion of the housing section, and has a main surface to face a surface of the attachment-receiving object, the protrusion having: a strip-like trunk portion extending from the end portion in a radially-outer-side direction X of the housing section; and a strip-like branch portion extending from the trunk portion in a direction different from a radial direction X of the housing section, the protrusion being able to be inserted into the attachment hole.
A charge roller includes a base and a surface layer formed on an outer peripheral surface of the base, with a contact angle between the surface layer and toluene being 6° or more, and a contact angle between the surface layer and tetradecane being 22° or more.
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
ABB of the constituent unit represented by formula (B) in relation to the entirety of the copolymer (P) is 20-90 mol%, and the weight-average molecular weight of the copolymer is 10,000-2,000,000. [In formula (A) and formula (B), R1and R2individually represent a hydrogen atom or a methyl group. X in formula (A) is O or NR3, R3being a hydrogen atom or an alkyl group having a carbon number of 1-4. R4O in formula (B) represents an oxyalkylene group having a carbon number of 2-4, R4O including at least two types of oxyalkylene groups with different carbon numbers, an additional form of these may be block or random, and p represents the average number of moles of the oxyalkylene groups added and is a number from 4-100.]
The present invention provides a single-stranded nucleic acid modifier which comprises a copolymer containing a constituent unit (a) derived from a monomer having a phosphorylcholine group and a constituent unit (b) derived from a monomer having a carboxyl group, wherein the content of the constituent unit (b) relative to the total amount of all of the constituent units of the copolymer is 20 to 90 mol%.
The present invention provides a freeze-thawing protective agent for a nucleic acid amplification composition, the freeze-thawing protective agent being a polymer containing a structural unit derived from a monomer represented by formula (1) (in which the symbols are as defined in the description).
C08F 20/36 - Esters containing nitrogen containing oxygen in addition to the carboxy oxygen
C12Q 1/48 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving transferase
The present invention provides a nucleic acid adsorption inhibitor comprising at least one polymer selected from group A mentioned below. [Group A] A polymer A1: a polymer composed only of a constituent unit derived from a monomer a containing a phosphorylcholine group; a polymer A2: a copolymer containing a constituent unit derived from the monomer a and a constituent unit derived from a monomer b containing a carboxyl group; and a polymer A3: a copolymer containing a constituent unit derived from the monomer a and a constituent unit derived from a monomer c containing C1-20 alkoxy-carbonyl group; provided that each of the polymer A1 to polymer A3 does not contain a constituent unit containing a cationic functional group other than a phosphorylcholine group.
The present invention provides an industrially practicable method for producing a polyethylene glycol derivative, the method enabling the achievement of high activation purity and suppression of increase in polydispersity due to an increase in thermal history. The present invention specifically provides a method for producing an activated polyethylene glycol derivative having a functional group that is capable of reacting with a biological material or a precursor of the functional group at an end, the method comprising a step (A), a step (B) and a step (C). Step (A): a step in which a particulate material of a polyethylene glycol compound that has one or more groups selected from the group consisting of a carboxyl group, a mercapto group, a hydroxyl group and an amino group at an end is dried in an atmosphere at 0°C to 50°C (inclusive), thereby obtaining a dried particulate material having a moisture value of 0.10 % by mass or less Step (B): a step in which an organic solvent having a moisture content by mass of 200 ppm or less is added to the dried particulate material obtained in the step (A) and the dried particulate material is dissolved in the organic solvent, thereby obtaining a solution Step (C): a step in which the polyethylene glycol compound contained in the solution obtained in the step (B) and an activator are reacted with each other, thereby obtaining an activated polyethylene glycol derivative
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY (Japan)
NOF CORPORATION (Japan)
Inventor
Akita, Hidetaka
Sakurai, Yu
Tanaka, Hiroki
Taneichi, Sakura
Ito, Kasumi
Tange, Kota
Nakai, Yuta
Abstract
The present invention provides a method for producing nucleic acid-encapsulated lipid nanoparticles, the method comprising the following steps (a) and (b): (a) a step for mixing an alcohol solution containing an ionic lipid having a tertiary amino group, a sterol and a PEG lipid with a citrate buffer solution, in which a nucleic acid is dispersed and which has a pH of 3-6.5, to prepare a suspension of nucleic acid-encapsulated lipid nanoparticles; and (b) a step for concentrating the suspension of the nucleic acid-encapsulated lipid nanoparticles by ultrafiltration and diluting the suspension with a tris buffer solution having a pH of 5.2-9.0 to thereby replace the dispersion medium of the suspension with the tris buffer solution.
A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
A61K 47/18 - AminesAmidesUreasQuaternary ammonium compoundsAmino acidsOligopeptides having up to five amino acids
A61K 47/24 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
A61K 47/28 - Steroids, e.g. cholesterol, bile acids or glycyrrhetinic acid
A61K 48/00 - Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy
This hydrogen sulfide detecting agent comprises: a polymeric material that serves as a base material; a coloring agent capable of developing color upon contacting hydrogen sulfide; and a color development accelerator capable of accelerating the development of the color of the coloring agent.
G01N 31/00 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using chemical indicators
This stretchable wiring board (100) is provided with a stretchable base material (10) and a stretchable wiring (20) disposed on the stretchable base material (10). A portion of the stretchable wiring (20) constitutes an exposed electrode and is further provided with an adhesive layer (61) that directly covers the exposed electrode. The stretchable wiring board (100) can be stuck to an adherend (300) via the adhesive layer (61). The adhesive layer (61) contains an adhesive agent (62) and a sheet-like core material (63) having an in-plane extensibility lower than that of the adhesive agent (62). The core material (63) is divided by incisions (64) extending in the planar direction of the core material (63).
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY (Japan)
NOF CORPORATION (Japan)
Inventor
Akita, Hidetaka
Sakurai, Yu
Doi, Mizuki
Nishiumi, Naomasa
Nakabayashi, Tomoya
Tanaka, Hiroki
Tanaka, Tokihiro
Matsuno, Yuki
Moriyama, Yuya
Motousu, Ryosuke
Onizuka, Yuhei
Tange, Kota
Nakai, Yuta
Ito, Kasumi
Abstract
The present invention provides a cationic lipid represented by formula (1) (definitions of symbols in formula (1) are as described in the description).
C07D 211/22 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulfur atoms by oxygen atoms
A61K 9/127 - Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
A61K 31/7088 - Compounds having three or more nucleosides or nucleotides
A61K 47/22 - Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
A61K 48/00 - Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy
A61P 43/00 - Drugs for specific purposes, not provided for in groups
C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
60.
POLYOXYALKYLENE COMPOUND, DISPERSANT, DISPERSION COMPOSITION AND PHOTOCURABLE COMPOSITION
The present invention provides: a polyoxyalkylene compound that is represented by formula (1) and has a weight average molecular weight of 1,000 to 15,000 (the definition of each symbol in formula (1) is as defined in the description); a dispersant that is composed of the compound or a salt thereof; a dispersion composition that contains the compound, a dispersion medium, and a dispersoid; and a photocurable composition that contains the compound and a photopolymerization initiator.
C08G 65/329 - Polymers modified by chemical after-treatment with organic compounds
C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
A gluten modifier characterized by containing lutein. The gluten modifier can be blended with a gluten-containing starch dough, thereby modifying the gluten and improving the elasticity and extensibility of the starch dough.
A21D 10/00 - Batters, dough or mixtures before baking
A21D 13/00 - Finished or partly finished bakery products
A21D 13/80 - Pastry not otherwise provided for elsewhere, e.g. cakes, biscuits or cookies
A23G 3/36 - Sweetmeats, confectionery or marzipanProcesses for the preparation thereof characterised by the composition
A23G 3/44 - Sweetmeats, confectionery or marzipanProcesses for the preparation thereof characterised by the composition containing peptides or proteins
A23G 3/48 - Sweetmeats, confectionery or marzipanProcesses for the preparation thereof characterised by the composition containing plants or parts thereof, e.g. fruits, seeds, extracts
62.
CURABLE RESIN COMPOSITION FOR USE IN SEALING MATERIAL FOR FILM LIQUID CRYSTAL PANELS, AND FILM LIQUID CRYSTAL PANEL HAVING END SEALED WITH SAID CURABLE RESIN COMPOSITION
A curable resin composition which contains (A) a multifunctional thiol compound having 2 to 6 thiol groups, (B) a multifunctional urethane (meth)acrylate compound having 2 to 3 (meth)acrylic groups, (C) a multifunctional allyl compound having 2 to 4 (meth)allyl groups, (D) a spherical filler that has an average particle diameter of 15 μm or less and (E) a photopolymerization initiator, wherein: the blending mass ratio (B)/(C) is 0.1 to 1.0; the ratio of the thiol groups in the component (A) to the polymerizable unsaturated bonds in the components (B) and (C) is 0.5 to 3.0; and the amount of the component (D) is 1 to 50 parts by mass relative to a total of 100 parts by mass of the components (A) to (C).
The present invention provides a composition for nucleic acid amplification containing a polymer containing a constitutional unit derived from 2-(meth)acryloyloxyethyl phosphorylcholine.
C08F 130/02 - Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
C08F 230/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
A cleaning blade includes a tip end adapted to contact a photoconductor member. The tip end is formed of polyurethane having tan δ of greater than or equal to 0.35 under an environment of 23° C., a loss elastic modulus of greater than or equal to 5.59 MPa under an environment of 23° C., and a rebound resilience of less than or equal to 21% under an environment of 23° C.
A sealing device (100) is disposed in a gap (320) between an outer circumferential surface (210) of a rotating shaft (200) and an inner circumferential surface (310) of a shaft hole (301) in a housing (300) having the shaft hole (301) into which the rotating shaft (200) is inserted, and seals the gap (320). The sealing device (100) is provided with a core metal (30) composed of a metal material, and a seal body constituent member (20) which is composed of an elastic body and in which the core metal (30) is integrated. The seal body constituent member (20) is provided with: a seal body (10) including a lip part (23); and a conductive lip (50) and a conductive protective ring (40) which are attached to the seal body (10). The protective ring (40) has an abutting part (41) abutting on the housing (300), and an inward extension part (42) extending radially inward from the abutting part (41). The conductive lip (50) is integrated with the seal body (10) by being held between the inward extension part (42) and the seal body (10).
F16J 15/3204 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
F16J 15/3252 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
Eye drops according to the present invention contain: (A) 0.02-0.15 w/w% of a copolymer of 2-methacryloyloxyethyl phosphorylcholine, dimethylacrylamide, and stearyl methacrylate represented by formula (1) where the molar ratio of each constituent unit is a:b:c = 100:10-400:2-50; (B) 0.000001-0.0001 w/w% of a polyhexamethylene biguanide or a salt thereof represented by formula (2); and (C) 0.02-2.0 w/w% of a polyoxyethylene polyoxypropylene glycol, the eye drops having the sodium chloride content of 0.3 w/w% or less. The present invention can provide eye drops having good preservative efficacy and reduced eye irritation while imparting lubricity to the corneal surface.
A61K 47/59 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
A61K 47/60 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes the organic macromolecular compound being a polyoxyalkylene oligomer, polymer or dendrimer, e.g. PEG, PPG, PEO or polyglycerol
Provided is a sealing structure with which it is possible to achieve a desired sealing performance with respect to a fluid with a simple structure even in a low-temperature environment. This sealing structure (1) is for sealing an annular gap. The sealing structure (1) comprises one sealing device (2). The one sealing device (2) demonstrates a desired sealing performance with respect to a fluid even in a low-temperature environment. The one sealing device (2) includes one annular seal ring (3) around an axis (x), and one action member (4) that is an annular member around the axis x. The action member (4) acts on the seal ring (3) and the seal ring (3) acts so as to demonstrate a desired sealing performance in a low-temperature environment.
F16J 15/3208 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
F16J 15/18 - Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
F16J 15/24 - Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
F16J 15/3236 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
This sealing device (100) seals a gap (320) between an outer circumferential surface (210) of a rotating shaft (200) and an inner circumferential surface (310) of a shaft hole (301) in a housing (300) in which the rotating shaft (200) is inserted into the shaft hole (301), the sealing device (100) being disposed in the gap (320). The sealing device (100) comprises: a first lip portion (23); a second lip portion disposed on an inner side (330) further inward in the housing (300) than the first lip portion (23); and a metal ring (70) that holds the second lip portion. The second lip portion is a conductive lip (50) made of a conductive material. The metal ring (70) has: a contact portion (70a) that contacts the housing (300); and an inward extending portion (70b) that extends radially inward from the contact portion (70a) and holds the conductive lip (50).
A method for producing a separator according to one embodiment of the present disclosure is for producing a separator that comprises a flow path part through which a gas for generating electrical energy passes and a bead part which is provided with a gasket at the top. This method for producing a separator comprises: a step in which a first projecting part corresponding to the flow path part is formed in a planar base material by means of press molding; a step in which a surface layer is formed on the surface of the base material in which the first projecting part has been formed; a step in which a gasket is provided in a planar bead part formation region, in which the bead part is to be provided, on the base material on which the surface layer has been formed; and a step in which a second projecting part corresponding to the bead part is formed in a position where the gasket has been provided.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0228 - Composites in the form of layered or coated products
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY (Japan)
Inventor
Futashima Ryo
Funahashi Akira
Yamamoto Hiroki
Uda Toru
Fukuda Junji
Abstract
The culture vessel (1) is provided with: a rigid member (2) that does not deform when grasped for manipulation; and a bottom member (3) that exhibits oxygen supply ability for culturing matter to be cultured.
The present invention provides: an extracellular vesicle dissociating agent containing a polymer which contains a constituent unit A represented by formula (1) and a constituent unit B represented by formula (2) at a molar ratio satisfying the formula 0.8 ≤ A/(A+B), has a number average molecular weight of 20,000 to 1,000,000, and has a separation carrier binding site at a terminal thereof; and others. (In formula (1), R1represents a hydrogen atom or a methyl group. In formula (2), R2 represents a hydrogen atom or a methyl group.)
This ester for a refrigerator oil contains: a first ester that is an ester of a polyhydric alcohol and a fatty acid having 6-9 carbon atoms; a second ester that is an ester of pentaerythritol and a fatty acid; and a third ester that is an ester of pentaerythritol, a dicarboxylic acid and a fatty acid. The fatty acid that constitutes the second ester and the fatty acid that constitutes the third ester are both mixed fatty acids of at least one type selected from the group consisting of branched butanoic acid, branched pentanoic acid and linear pentanoic acid and either one of branched octanoic acid and branched nonanoic acid.
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
C10M 105/42 - Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
A method of treating short tear breakup time-type dry eye, including a step of administering, to a mammal including a human, (i) a copolymer (P) having three kinds of different constituent units represented by formulae (1a) to (1c) and a weight-average molecular weight of from 5,000 to 2,000,000, wherein a molar ratio among the constituent units [(1a)/(1b)/(1c)] in the copolymer (P) is 100/from 10 to 400/from 2 to 50, or (ii) a composition containing the copolymer (P) at a concentration of from 0.001 w/v % to 1.0 w/v %:
A method of treating short tear breakup time-type dry eye, including a step of administering, to a mammal including a human, (i) a copolymer (P) having three kinds of different constituent units represented by formulae (1a) to (1c) and a weight-average molecular weight of from 5,000 to 2,000,000, wherein a molar ratio among the constituent units [(1a)/(1b)/(1c)] in the copolymer (P) is 100/from 10 to 400/from 2 to 50, or (ii) a composition containing the copolymer (P) at a concentration of from 0.001 w/v % to 1.0 w/v %:
A method of treating short tear breakup time-type dry eye, including a step of administering, to a mammal including a human, (i) a copolymer (P) having three kinds of different constituent units represented by formulae (1a) to (1c) and a weight-average molecular weight of from 5,000 to 2,000,000, wherein a molar ratio among the constituent units [(1a)/(1b)/(1c)] in the copolymer (P) is 100/from 10 to 400/from 2 to 50, or (ii) a composition containing the copolymer (P) at a concentration of from 0.001 w/v % to 1.0 w/v %:
wherein R1 to R6 are as defined herein.
The present invention provides a highly pure pH-responsive polymer represented by the following formula (I), a production method thereof, and the like:
The present invention provides a highly pure pH-responsive polymer represented by the following formula (I), a production method thereof, and the like:
The present invention provides a highly pure pH-responsive polymer represented by the following formula (I), a production method thereof, and the like:
(in the formula (I), each symbol is as described in the specification).
Provided is an amorphous metal oxide film, wherein the metal oxide film is represented by composition formula: SiaAlbOcTd (in the formula, Si is a silicon atom; Al is an aluminum atom; O is an oxygen atom; T is at least one atom other than Si, Al, and O; a, b, c, and d represent weight ratios; a＋b＋c＋d=100; a is 3-45; b is 5-50; c is 35-60; and d is 0.05-10), and has a thickness of 0.1-30 μm. The metal oxide film can provide a metal oxide laminate having excellent adhesion, heat dissipation, insulation, and high-voltage resistance.
The present invention provides a method for producing a high-purity polyalkylene oxide-modified phospholipid. The present invention specifically provides a method for producing a specific polyalkylene oxide-modified phospholipid, the method being characterized by sequentially performing the step (A), the step (B), the step (C) and the step (D) described below. Step (A): a step in which a specific polyalkylene oxide compound and a specific phospholipid are reacted with each other in an organic solvent in the presence of an alkali metal salt, thereby obtaining a reaction product. Step (B): a step in which an inorganic adsorbent that contains at least one of elemental aluminum and elemental magnesium is added to a solution of the reaction product obtained in the step (A) and the resulting solution is stirred, thereby obtaining a polyalkylene oxide-modified phospholipid. Step (C): a step in which an organic solvent is added to the polyalkylene oxide-modified phospholipid obtained in the step (B), an aqueous solution of a polycarboxylic acid is subsequently added thereto, and the resulting solution is stirred, thereby obtaining a polyalkylene oxide-modified phospholipid solution. Step (D): a step in which an alkaline aqueous solution of a sodium metal salt is added to the polyalkylene oxide-modified phospholipid solution obtained in the step (C), and the resulting solution is stirred.
[Problem] To provide a joint printed wiring board capable of reducing transmission loss with a simple configuration. [Solution] In one embodiment, a joint printed wiring board 1 includes printed wiring boards 10, 20 joined to each other, and a shield portion 30 having a conductive layer provided across the printed wiring boards 10, 20. The printed wiring board 10 includes a first insulating layer, a signal line 11, a second insulating layer laminated on the first insulating layer so that at least a part of the signal line 11 is embedded therein, and a ground layer 14 provided so as to encompass the signal line 11 when the printed wiring board 10 is viewed in the thickness direction. The printed wiring board 20 includes a third insulating layer and a signal line 21 electrically connected to the signal line 11. The conductive layer of the shield portion 30 includes a first conductive portion provided so as to encompass the signal line 21 when the printed wiring board 20 is viewed in the thickness direction, and a second conductive portion integrated with the first conductive portion and joined to the ground layer 14.
Provided are a contact lens having hydrophilicity, lubricity, and anti-lipid adhesion property, and a method of producing the lens. It has been found that the above-mentioned object can be achieved by a contact lens in which a hydrophilic polymer and a contact lens base material are combined with each other and the contact lens base material including an epoxy group-containing silicone macromer is surface-treated with the hydrophilic polymer.
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
79.
RELEASE AGENT FOR CIRCUIT BOARD RESIN FILM AND PRODUCTION METHOD FOR CIRCUIT BOARD
A release agent for a circuit board resin film being able to release a resin film formed on a circuit board in a short amount of time, having a high resin film fragmentation performance, and having a low environmental burden, is provided. The release agent contains a compound (component (A)) shown in formula (1) and a fatty alcohol (component (B)) having a carbon number of 1-6 and a molecular weight of 30-120, wherein the pH is 13.0-14.0, the content of component (A) is 0.1-5 mass %, and the content of component (B) is 5-40 mass %. Formula (1): R1—O-(A1O)a-H, wherein R1 represents a branched alkyl group having a carbon number of 6-10, A1O represents an oxyalkylene group having a carbon number of 2-3, and a, which is the average number of added moles of the oxyalkylene group, is from 2 to 15.
H05K 3/06 - Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
80.
DIAPER SENSOR, DISPOSABLE DIAPER, AND DISPOSABLE DIAPER KIT
Provided is a paper diaper having a structure capable of more reliably sensing a state of a diaper sensor being soaked in liquid. A diaper sensor 100 includes a sheet-shaped wetness detection sensor device 90 having a circuit 60 breakable or damageable when getting wet with liquid. The diaper sensor 100 includes a highly water-permeable sheet 85 forming the surface of the diaper sensor 100 arranged on a user's body surface side, and at least any one of a first water-absorbing sheet 81 interposed between the highly water-permeable sheet 85 and the wetness detection sensor device 90 or a second water-absorbing sheet 83 arranged on the opposite side of the wetness detection sensor device 90 from the highly water-permeable sheet 85 side.
A61F 13/42 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators with wetness indicator or alarm
A sealed structure includes: a shaft; a member having a hole for the shaft; and a sealing ring sealing a gap between the shaft and the member. The shaft has a circular ring groove centered around the central axis of the shaft. The bottom surface of the groove has a recess. The sealing ring has a protrusion protruding toward the central axis. The protrusion fits into the recess. When the shaft rotates, an end face X of the protrusion and an end face Y of the recess contact each other to push the sealing ring radially outward. An angle α of a straight line representing the end face X relative to the radial direction of the sealing ring and an angle δ of a straight line representing the end face Y relative to the radial direction of the shaft are both at least 45 degrees.
The purpose of the present invention is to provide a fluorine rubber composition that exhibits excellent roll machining properties and electrical conductivity. The fluorine rubber composition contains a peroxide-vulcanized fluorine rubber and 16-26 mass% of a conductive agent.
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
Provided is a hollow fiber membrane module which makes it possible to minimize a load imposed on a hollow fiber membrane. The present invention is characterized in that: the inner peripheral surface of a case 100 and a plurality of hollow fiber membranes 220 have provided therebetween a pair of planar parts 211, 212 that form a passage for a fluid flowing outside the hollow fiber membranes 220; the pair of planar parts 211, 212 are provided with a plurality of through-holes 211a, 212a that serve as passages for the fluid flowing outside the membranes; and in regions of the pair of planar parts 211, 212 where the plurality of through-holes 211a, 212a are provided, the total area occupied by the plurality of through-holes 211a, 212a accounts for 30% or more with respect to the total surface area of the sides where the plurality of hollow fiber membranes 220 are disposed, and the width of each of the through-holes in a direction parallel to the plurality of hollow fiber membranes 220 is 10 mm or less.
Provided is a hollow fiber membrane module in which the load on a hollow fiber membrane can be minimized. A hollow fiber membrane module 10 comprising: a plurality of hollow fiber membranes 220; a case 100 in which the plurality of hollow fiber membranes 220 are accommodated within an accommodation space of which the two ends are open; and a pair of sealing fixing parts 231, 232 that seal gaps between the plurality of hollow fiber membranes 220 in a state in which the hollow interiors of the plurality of hollow fiber membranes 220 are opened, the pair of sealing fixing parts 231, 232 being located on one side and the other side of the case 100, the hollow fiber membrane module 10 being characterized by comprising a holding member 210 that is provided inside the case 100 and holds the plurality of hollow fiber membranes 220, and the plurality of hollow fiber membranes 220 being fixed to the holding member 210 by the pair of sealing fixing parts 231, 232.
A pressure adjustment valve that can be attached to a power storage module has: a plurality of valve body portions that are opened in accordance with a pressure in the power storage module, and release the pressure in the power storage module, each valve body portion having a discharging portion for releasing the pressure, an inside of each valve body portion being isolated from another adjacent valve body portion.
The purpose of the present invention is to provide a fluorine rubber composition that exhibits excellent sealing properties and electrical conductivity. The fluorine rubber composition contains a fluorine rubber, 4-15 mass% of a conductive agent, and 5-15 mass% of an insulating filler, and the total amount of the conductive agent and the insulating filler is 15-25 mass%.
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
Provided is a hollow fiber membrane module with which it is possible to limit manufacturing costs. The present invention is characterized in that: a case 100 has a first pipe part 111 and a second pipe part 112, and a holding member 210 which holds a plurality of hollow membranes 220 is provided in the case 100; the holding member 210 comprises a first plate part 211 and a second plate part 212 which are provided to as to sandwich the plurality of hollow fiber membranes 220 therebetween, and a connection part 215 which connects the plate parts; and a path from the first pipe part 111 to the first plate part 211 is formed between the first plate part 211 and the case 100, and a path from the second pipe part 112 to the second plate part 212 is formed between the second plate part 212 and the case 100.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
Provided is a battery cushioning structure that can improve cushioning function. A battery cushioning structure 100 that comprises a cushioning sheet 100 and interposing members 210, 220 that are to be arranged between the cushioning sheet 100 and battery-forming members is characterized in that the cushioning sheet 100 comprises protrusions 120a, 120b that protrude toward the interposing members 210, 220.
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
89.
POLYOXYETHYLENE DERIVATIVES AND CONJUGATES THEREOF
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
OSAKA UNIVERSITY (Japan)
NOF CORPORATION (Japan)
Inventor
Onoda, Akira
Hayashi, Takashi
Hamura, Ken
Suzuki, Akira
Kishida, Satoshi
Abstract
Polyoxyethylene derivatives represented by the following formula (1) provided by the present invention:
Polyoxyethylene derivatives represented by the following formula (1) provided by the present invention:
Polyoxyethylene derivatives represented by the following formula (1) provided by the present invention:
wherein the symbols in the formula are as defined in the specification, can form conjugates with polypeptide that can be degraded over a long time under physiological conditions to release the polypeptide.
A61K 47/60 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes the organic macromolecular compound being a polyoxyalkylene oligomer, polymer or dendrimer, e.g. PEG, PPG, PEO or polyglycerol
A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
Provided is a sealing device with which it is possible to prevent a garter spring from coming out of an annular groove. The sealing device 10 is characterized by having a preventing part that prevents a garter spring 300, which deforms when the sealing device 10 is attached to a shaft 20, from protruding from an annular groove 221, the preventing part having, on a lip-distal-end side of the outer peripheral surface of a seal lip 220, a plurality of protrusions 222 that protrude toward the base side of the seal lip 220 at intervals in the circumferential direction, and the preventing part also having, on the base-side surfaces of the protrusions 222, a support surface that supports the garter spring 300 in a manner following the outer peripheral surface of the garter spring 300 when viewed in a cross-section taken through the seal lip 220 at a plane including the center axis of the shaft 20.
F16J 15/3212 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
F16J 15/3204 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
F16J 15/3252 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
Provided is a gasket (1) for sealing between two members facing each other. The gasket (1) comprises a plurality of beads (10), and at least one base (20) that is a portion where the plurality of beads (10) intersect. Each of widths of the plurality of beads (10) connected to the base (20) decreases towards the base (20).
A sealing device includes an inner peripheral surface that is a surface facing an outer peripheral surface of a shaft, and an outer peripheral surface that is a surface facing an inner peripheral surface of a shaft hole. The inner peripheral surface has an inner peripheral recessed surface that is an annular surface recessed to an outer periphery side. The outer peripheral surface has an outer peripheral recessed surface that is an annular surface recessed to an inner periphery side. The inner peripheral recessed surface of the inner peripheral surface contacts the outer peripheral surface of the shaft. The outer peripheral recessed surface of the outer peripheral surface contacts the inner peripheral surface of the shaft hole.
Provided are: an amine hydrochloride having a maleimide group and having less hydrochloride adducts; and a method for producing the amine hydrochloride. The present invention involves: deprotecting, by trifluoroacetic acid, a protected amine having a maleimide group and represented by formula (2) to obtain an amine trifluoroacetate having a maleimide group and represented by formula (3) (step (a)); and performing salt exchange by mixing the amine trifluoroacetate with an organic solvent solution of hydrogen chloride to obtain an amine hydrochloride having a maleimide group and represented by formula (1) (step (b)).
C07D 207/452 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
C07D 207/456 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
94.
SENSITIZER FOR IMMUNOCHROMATOGRAPHIC MEASUREMENTS TARGETING HEPATITIS VIRUS, SPECIMEN DILUENT FOR IMMUNOCHROMATOGRAPHIC MEASUREMENTS, IMMUNOCHROMATOGRAPHIC MEASUREMENT METHOD, TOOL FOR IMMUNOCHROMATOGRAPHIC MEASUREMENTS AND TEST KIT FOR HEPATITIS VIRUS
Provided is a sensitizer for immunochromatographic measurements capable of detecting hepatitis virus with high sensitivity and a measurement method and the like using the sensitizer. A sensitizer for immunochromatographic measurements targeting hepatitis virus, comprising a polymer represented by general formula [1]. In the formula, R1, R2and R3are the same or different group and respectively represent a hydrogen atom or a methyl group; R4 represents a hydrogen atom, a cation or a 2,3-dihydroxypropyl group; l, m and n respectively represent the number of structural units and l:m:n is 20-100:0-80:0-80.
A pressure regulating valve for a power storage module includes a housing having a housing main body with an opening and a recess formed in the inside and a cover body that closes the opening and a columnar valve element housed in the recess, wherein the housing main body has a pressure introduction passage having a pressure introducing part which is a columnar space passing through the housing main body, and a groove connected to the pressure introducing part and opens to a surface of the bottom, the valve element has a shorter axial length than the outer diameter and covers an aperture on the bottom side in the pressure introduction passage, the cover body has a protrusion in contact with an end face of the valve element that pressurizes the valve element, and the valve element airtightly closes the pressure introduction passage.
The purpose of the present invention is to provide a gasket and a sealing structure that can be easily positioned in a space to be sealed while the planar shape is easily deformed. Provided is a gasket (1) with which a loop-shaped region to be sealed (61, 71) can be sealed between a pair of members (60, 70) that are combined with each other, the gasket (1) comprising a base part (22) having a shape that follows the circumferential direction of the region to be sealed (61, 71), a joint part (10) that is connected to the base part (22) and has lower bending rigidity in a width direction than the base part (22), and a guide part (30) for positioning the gasket (1) in the region to be sealed (61, 71), the guide part (30) having a hole (32) that follows the joining direction of the pair of members (60, 70), and a positioning pin (50) fixed to the pair of members (60, 70) being inserted through the hole (32).
According to the present invention, a heat-dissipating circuit board is formed by providing a metal material adjacent to one surface of an insulating layer and providing a conductive metal layer to the other surface of the insulating layer. The metal material is a sheet of copper or a copper alloy or aluminum or an aluminum alloy and is 0.2-20 mm thick. The insulating layer is a metal oxide layer that has the composition AlxOyTz, is 0.2-30 μm thick, has a volume resistivity of at least 1000 GΩ·cm, and has a porosity of no more than 10%. The heat-dissipating circuit board has excellent heat-dissipation properties and insulation properties.
B32B 3/00 - 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
C23C 16/448 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups or
H01L 23/373 - Cooling facilitated by selection of materials for the device
The present invention provides a gasket which is capable of suppressing a decrease in the sealing performance, while reducing the reaction force in the use state. This gasket is also capable of suppressing a decrease in the sealing performance with respect to a gas at high temperatures. A gasket (1) according to the present invention is formed of a porous body of an elastomer, and seals a gas at 300°C.
A circular annular seal ring made from a resin is adapted to be disposed between an outer member and an inner member that rotate relative to each other. The seal ring is disposed in a circumferential groove of the outer member or the inner member to isolate a liquid space from an external space. The seal ring is formed from an elongated and arcuate rod to define a circle by joining ends of the rod, and has a junction formed from the ends. The seal ring has a radial thickness gradually decreasing from two points that are apart from the junction toward the junction. The points are separated from the junction by an angle of not less than 60 degrees and not more than 150 degrees about a central axis of the circle.
A sealing device (1) comprises an annular elastic body portion (2) formed of an elastic body. The elastic body portion (2) comprises an annular seal lip (10). The seal lip (10) is adapted to contact a guide member (102) inserted into the seal lip (10). A tightening margin (α) of the seal lip (10) for the guide member (102) inserted into the seal lip (10) has a size adapted to facilitate insertion of the guide member (102) into the seal lip (10). The seal lip (10) is a cylindrical portion extending along an axis (x).
