Provided is a composite material comprising a thermoplastic resin and continuous fibers, wherein fibers constituting the continuous fibers include at least a group of fibers along a first fiber direction along one direction, and the surface kurtosis (Rku) in a direction intersecting the first fiber direction on at least one principal surface of a first principal surface or a second principal surface of the composite material is at least 3.0.
Provided is a method for producing (meth)acrylic acid nitroxide polymer particles which suppress generation of bulky aggregates and deposits and have excellent productivity. This method for producing (meth)acrylic acid nitroxide polymer particles comprises: step a for dispersing, in an aqueous medium as oil droplets, a solution obtained by dissolving a (meth)acrylic acid nitroxide polymer (A) in a hydrophobic organic solvent; step b for removing the solvent in the oil droplets to obtain a slurry; and step c for dehydrating and drying the slurry. The polymer (A) has a repeating unit represented by formula (1). The aqueous medium contains a polyvinyl alcohol-based polymer (B). The mass ratio (RD) of the PVA-based polymer (B) with respect to the solution, the degree of polymerization (DP) of the PVA-based polymer (B), and the degree of saponification (DS) of the PVA-based polymer (B) satisfy the relationship of RD×DP×(100-DS)2/100≥850.
Provided is a photosensitive resin composition comprising a thermoplastic elastomer (A), a liquid farnesene rubber (B), an ethylenically unsaturated compound (C), and a photoinitiator (D).
A transparent protection sheet (5) according to the present disclosure comprises a vinylidene fluoride-based film and is used for a double-sided light-reception-type solar cell module (10). The vinylidene fluoride-based film includes at least a layer comprising a resin composition (C) containing 60-85 mass % of a vinylidene fluoride-based resin (F) and 15-40 mass % of a (meth) acrylic resin (A). The (meth) acrylic resin (A) includes a multilayer structure polymer (a) and may include a non-multilayer structure polymer (b). The multilayer structure polymer (a) is 60-100 mass % and the non-multilayer structure polymer (b) is 0-40 mass % in 100 mass % of the (meth) acrylic resin (A).
A vinyl alcohol copolymer may include a vinyl alcohol constituent unit and an olefin constituent unit vinyl alcohol having 3 to 30 carbon atoms. Such a copolymer may satisfy at least one of: a difference between a melting point and a lowest heat-sealing temperature is 45° C. or more; and the lowest heat-sealing temperature is 80° C. or less. Such a copolymer may satisfy predetermined relational formulas based on intensities and the number average molecular weight obtained from a UV absorption detector and a refractive index detector in gel permeation chromatography measurement performed on the copolymer.
A composite includes a polyamide (A) and continuous fibers (B), wherein the polyamide (A) comprises a diamine unit (X) and a dicarboxylic acid unit (Y), the diamine unit (X) comprises 0.1 mol % or more and less than 36 mol % of a diamine unit (X1), and the aliphatic diamine has 6 to 10 carbon atoms, the aliphatic diamine having an alkyl group having two or three carbon atoms bonded to a carbon atom at 2-position when a carbon atom to which any one of two amino groups is bonded is taken as 1-position.
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
Provided is a polyamide composition, which has high moldability and excellent heat resistance and chemical resistance. The polyamide composition contains a polyamide (A), a copper compound (B1) and a metal halide (B2), and in which the polyamide (A) comprises a diamine unit (X) and a dicarboxylic acid unit (Y), the diamine unit (X) contains 0.1 mol % or more and less than 36 mol % of a diamine unit (X1), and the diamine unit (X1) is a diamine unit derived from an aliphatic diamine, in which the aliphatic diamine has 6 to 10 carbon atoms, the aliphatic diamine having an alkyl group having 2 or 3 carbon atoms bonded to a carbon atom at 2-position when a carbon atom to which any one of two amino groups is bonded is taken as 1-position.
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
Provided is a modified product of a hydrogenated product of a block copolymer that can be added to obtain a resin composition having an excellent balance of mechanical properties such as tensile strength, tensile strain at break, and impact resistance. A modified hydrogenated product of a block copolymer including a polymer block containing a structural unit derived from an aromatic vinyl compound and a polymer block containing a structural unit derived from a conjugated diene compound, in which the conjugated diene compound contains isoprene and a conjugated diene compound other than isoprene; the polymer block has a vinyl bonding amount of 30 mol % or less; the modified hydrogenated product has one, or two or more functional groups selected from an alkoxysilyl group, a carboxy group, an amino group, a hydroxy group, an epoxy group, and an acid anhydride-derived group, and has a peak top intensity of loss tangent of 0.95 or less and a melt flow rate (MFR) of 0.5 g/10 min or more.
Provided is a polyamide composition, which has high moldability and excellent heat resistance and chemical resistance. The polyamide composition contains a polyamide (A) and an organic heat stabilizer (B), and in which the polyamide (A) contains a diamine unit (X) and a dicarboxylic acid unit (Y), the diamine unit (X) contains 0.1 mol % or more and less than 36 mol % of a diamine unit (X1), and the diamine unit (X1) is a constituent unit derived from an aliphatic diamine, in which the aliphatic diamine has 6 to 10 carbon atoms, the aliphatic diamine having an alkyl group having 2 or 3 carbon atoms bonded to a carbon atom at 2-position when a carbon atom to which any one of two amino groups is bonded is taken as 1-position.
Provided is a vinyl alcohol-based polymer which has a relatively low saponification degree and from which an aqueous solution having a sufficiently low viscosity can be prepared even in the case of high concentration. This polymer has a vinyl ester unit, a vinyl alcohol unit, and a structural unit derived from a monomer (M), wherein: the monomer (M) is a monomer represented by formula (1); the content of the structural unit derived from the monomer (M) is 2-70 mol% with respect to all the structural units; and the saponification degree is higher than 0 mol% and lower than 70 mol%. In formula (1), R1is a hydrogen atom or a methyl group. X is a hydroxy group, an amino group, a morpholino group, a polyethylene glycol group, or a group represented by –ORA. RA is a C1-C12 alkyl group or a C6-C12 aryl group.
A polyamide resin composition according to the present invention contains a polyamide (A) that has a melting point of at least 280°C, a brominated flame retardant (B), an inorganic filler (C), an aromatic vinyl copolymer (D), and a colorant (E). The polyamide (A) includes diamine units, and 50–100 mol% of the diamine units are C4–18 aliphatic diamine units. For particles of the brominated flame retardant (B) observed in a specific region of a thickness direction cross-section of a test piece that comprises the polyamide resin composition, Rs1 as represented by the expression (bs/as)×As is less than 0.2 μm2. [In the expression, bs/as is the number average value of the ratio of the Feret diameter perpendicular to the minimum Feret diameter of the particles of the brominated flame retardant (B) observed in the specific region, and As is the number average value (μm2) of the cross-sectional area of the particles of the brominated flame retardant (B) observed in the specific area.]
Provided is a polyamide resin composition comprising a polyamide (A) having a melting point of 280°C or higher, a bromine-compound flame retardant (B), an inorganic filler (C), an aromatic vinyl copolymer (D), and a colorant (E), wherein the polyamide (A) includes diamine units, and 50-100 mol% of the diamine units are C4-C18 aliphatic diamine units. When a specific region in a thickness-direction section of a test piece of the polyamide resin composition is examined for particles of the bromine-compound flame retardant (B), Rc1 represented by the expression (bc/ac)Ac is less than 0.15 μm2. [In the expression, bc/ac is a number-average ratio of Feret diameters perpendicular to minimum Feret diameters, of the particles of the bromine-compound flame retardant (B) examined in the region, to the minimum Feret diameters, and Ac is a number-average sectional area (μm2) of the particles of the bromine-compound flame retardant (B) examined in the region.]
Provided is an aqueous solution or the like having high concentration and sufficiently low viscosity. An aqueous solution, containing a polymer (A) having a vinyl ester unit and a structural unit derived from a monomer (M), the monomer (M) being represented by formula (1), and the content of the polymer (A) being 15 mass% or more. In formula (1), R1 is a hydrogen atom or a methyl group. X is a hydroxy group, an amino group, a morpholino group, or a polyethylene glycol group.
C08F 220/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
C08L 29/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Provided is a method for producing vinyl acetate includes at least: a step (1) for reacting ethylene, acetic acid and oxygen with one another to obtain a crude product containing vinyl acetate; a step (2) for separating a gaseous composition containing ethylene and vinyl acetate from the crude product; and a step (3) for introducing at least a portion of the gaseous composition into a gas cleaning column and removing vinyl acetate from the gaseous composition. The gas cleaning column has at least an outlet (A) and an outlet (B). The total content of acetic acid and water is 70 mass% or more in a liquid composition (α) taken out through the outlet (A). The total content of vinyl acetate and acetic acid is 90 mass% or more and the content of water is 10 mass% or less in a liquid composition (β) taken out through the outlet (B). As a result, in the method for producing vinyl acetate, the energy required for separating vinyl acetate, water, and acetic acid by distillation is reduced.
C07C 67/055 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
Provided is a multilayer structure having a sealant layer (X) and a base material layer (Y). The sealant layer (X) has a barrier layer (A) which contains, as a main component, an EVOH (a) having an ethylene unit content of 20-50 mol% and a saponification degree of 90 mol% or more, an adhesive layer (B) which contains an adhesive resin (b) as a main component, and a thermal bonding layer (C) which contains an ethylene-α-olefin copolymer resin (c) having a density of 0.880-0.930 g/cm3. The base material layer (Y) contains, as a main component, polypropylene (y) having a melting point of 150°C or higher as measured by a differential scanning calorimeter (DSC) and is stretched in biaxial directions. The multilayer structure has an elastic modulus of 2000 MPa or more under conditions of 23°C and 50% RH in the biaxial directions, in which the thermal bonding layer (C) of the sealant layer (X) serves as the outermost surface.
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Provided is a metal particle composition that contains: metal particles (A); a compound (B) that includes a structure represented by general formula (I); and a solvent (C) for which the Hansen solubility parameter polarity term δP is 3.0-17.0 and the hydrogen bonding term δH is 6.6-42.5. (In general formula (I), R1and R2each independently denote a hydrogen atom, an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, an alkenyl group having 2-6 carbon atoms, an aryl group or an aralkyl group. R3and R4 each independently denote a hydrogen atom, an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, an alkenyl group having 2-6 carbon atoms, an alkenyloxy group having 2-6 carbon atoms, an aryl group or an aralkyl group.)
The present invention relates to a carbonaceous material having a nitrogen element content of 1.0% by mass or more and a hydrogen element content of 0.1% by mass or less, both measured by element analysis, and a phosphorus element content, measured by X-ray fluorescence analysis, of 0.5% by mass or more and 2.0% by mass or less.
The present invention addresses the problem of providing: an artificial leather having excellent texture, surface wear resistance, and pilling resistance; and a method for producing the artificial leather. This artificial leather contains ultrafine fibers. With respect to cut surfaces when the artificial leather is cut at a depth of 0.3mm from the surface, the maximum area of the cut surfaces of the ultrafine fiber bundles is 4500 μm2or more, and the ratio of the number of ultrafine fiber bundles for which the area of the cut surfaces thereof are at least 500 μm2 to the total number of cut surfaces of the ultrafine fiber bundles is 60% or more.
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
24.
β-METHYL-δ-VALEROLACTONE COPOLYMER AND RESIN COMPOSITION
C08G 63/66 - Polyesters containing oxygen in the form of ether groups
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
C08L 101/00 - Compositions of unspecified macromolecular compounds
C08L 101/16 - Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
25.
ELASTOMER RESIN COMPOSITION, FILM, LAMINATE, AND MOLDED BODY
The present disclosure provides an elastomer resin composition having good process passability, film forming properties, adhesiveness to various materials, and chipping resistance. The elastomer resin composition of the present disclosure comprises thermoplastic elastomers (EX)-(EZ) and polypropylene-based polymers (PX) and (PY). Thermoplastic elastomer (EX) has a St unit-containing block and a conjugated diene compound unit-containing block in which the total amount of 1,2-linkage and 3,4-linkage is less than 40 mol%. Thermoplastic elastomer (EY) has a St unit-containing block and a conjugated diene compound unit-containing block in which the total amount of 1,2-linkage and 3,4-linkage is 40 mol% or more. Thermoplastic elastomer (EZ) has an αMSt unit-containing block and a conjugated diene compound unit-containing block in which the total amount of 1,2-linkage and 3,4-linkage is 40 mol% or more. Polypropylene-based polymer (PX) has no polar group and has a melt tension of 2.5 × 10-2 N or more. Polypropylene-based polymer (PY) has a polar group and has a melting point of 130°C or less.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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
C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
C08L 23/10 - Homopolymers or copolymers of propene
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
Provided is a polyamide composition which contains a crystalline polyamide (A), glass fibers (B) and an inorganic filler (C). The crystalline polyamide (A) includes diamine units. 60 mol% or more of the diamine units are diamine units having 7-13 carbon atoms. The content of the glass fibers (B) is not less than 37 mass% and less than 45 mass% of the polyamide composition. The glass fibers (B) include glass fibers (B-1) having an average aspect ratio Z1 of 1.1 or more. The content of the inorganic filler (C) is not more than 4 mass% of the polyamide composition. The density of a test piece comprising the polyamide composition is not more than 1.52 g/cm3.
Provided are a napped artificial leather which can restrain spontaneous elongation during the production process, enables the constant load elongation transverse/machine ratio to be set to an appropriate value even without a scrim or a liner, and is excellent in pilling resistance and appearance, and a method of producing the napped artificial leather. The napped artificial leather includes a nonwoven fabric which is an entangled body of microfine fibers, and a high-molecular elastic body attached to the nonwoven fabric, has a napped surface formed by napping the microfine fiber on at least one surface, and satisfies the following conditions (1) and (2):(1) the nonwoven fabric is composed of microfine polyester filaments and (2) the fiber density D1 in the transverse direction is from 150 to 450 fibers/mm2, the fiber density D2 in the machine direction is from 150 to 450 fibers/mm2, and D1/D2 is from 0.7 to 1.1.
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
D06N 3/12 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
The present invention provides: a rubber composition for sidewalls, the rubber composition being capable of producing a sidewall that has excellent flex fatigue resistance and is capable of improving low fuel consumption performance; and a sidewall which uses this rubber composition for sidewalls in at least a part thereof. This rubber composition for sidewalls contains, with respect to 100 parts by mass of a solid rubber (A) that contains natural rubber and/or an isoprene rubber (A1) and a butadiene rubber (A2), 0.1-30 parts by mass of a modified liquid diene rubber (B) that has a functional group derived from a silane compound satisfying a specific condition, and 5-80 parts by mass of a filler (C) that contains a specific silica (C1).
Provided are: a tire tread rubber composition capable of achieving both an improvement in low fuel consumption performance and an improvement in wear resistance without impairing a wet grip performance; and a tire tread using the tire tread rubber composition in at least a part thereof. The tire tread rubber composition contains, relative to 100 parts by mass of a specific solid rubber (A), 0.1-50 parts by mass of a modified liquid diene rubber (B), which has a functional group derived from a specific silane compound, and 20-200 parts by mass of a filler (C).
VINYL AMIDE COPOLYMER AND METHOD FOR PRODUCING SAME, VINYL AMIDE COPOLYMER COMPOSITION, COATING AGENT FOR MEDICAL USE, COATING MATERIAL FOR MEDICAL USE, AND MEDICAL DEVICE
The present invention relates to: a vinyl amide copolymer which contains at least one polymer block (A) that contains 50% by mole or more of a vinyl amide monomer unit and at least one polymer block (B) that contains a hydrophilic monomer unit and a hydrophobic monomer unit, and a method for producing the vinyl amide copolymer; a vinyl amide copolymer composition which contains the vinyl amide copolymer; a coating agent for medical use, which contains the vinyl amide copolymer; a coating material for medical use, which is a coating film of the coating agent for medical use; and a medical device which has the coating material for medical use.
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
31.
REINFORCING FIBERS, METHOD FOR PRODUCING SAME, AND ELASTOMER PRODUCT USING REINFORCING FIBERS
Provided are reinforcing fibers using an adhesive component that does not contain resorcin and formalin, particularly reinforcing fibers that are excellent in adhesiveness to a high-polar rubber adherend, a method for producing the same, and an elastomer product using the reinforcing fibers. Reinforcing fibers include an adhesive layer formed from an adhesive component containing a liquid conjugated diene-based rubber and a crosslinking agent on at least a part of a fiber surface, and a solubility parameter (SP value) of the liquid conjugated diene-based rubber that is calculated by a Fedors method is larger than 9.0 (cal/cm3)1/2.
D06M 15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane linksPrecondensation products forming them
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
D06M 101/24 - Polymers or copolymers of alkenylalcohols or esters thereofPolymers or copolymers of alkenylethers, acetals or ketones
MOLDED BODY, FILM, MASKING MATERIAL, WATER-SOLUBLE TRANSFER COATING MATERIAL FOR FORMING COATING MATERIAL LAYER HAVING UNEVEN STRUCTURE, SUPPORT MATERIAL FOR MOLDING, AND METHOD FOR USING MOLDED BODY
Provided is a molded body which is molded from a composition containing a modified poly(vinyl alcohol)-based polymer having a vinyl alcohol structural unit and a structural unit represented by formula (1). If the mass of the molded body after being heat treated for 10 minutes at 200°C is denoted by M1 (parts by mass) and the mass of the heat-treated molded body after being immersed for 16 hours in a quantity of water which corresponds to 500 times the mass M1 and which is 10°C and then vacuum dried for 16 hours at 40ºC and 10 Pa is denoted by M2 (parts by mass), then the elution rate, as defined by [1-(M2/M1)]×100 (mass%), is 90 mass% or more.
B05D 1/32 - Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
B29C 59/02 - Surface shaping, e.g. embossingApparatus therefor by mechanical means, e.g. pressing
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B33Y 70/00 - Materials specially adapted for additive manufacturing
An aqueous adhesive using an adhesive component that does not contain resorcin and formalin, particularly an aqueous adhesive that is excellent in adhesiveness to fibers and an elastomer and can suppress process contamination in a process of producing reinforcing fibers, reinforcing fibers using the same, and an elastomer product using the reinforcing fibers are provided. An aqueous adhesive for adhesion between fibers and an elastomer includes: an oil-in-water emulsion (A) containing a liquid conjugated diene-based rubber and a surfactant, and an aqueous solution or aqueous dispersion (B) of a crosslinking agent.
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
This modified polyvinyl alcohol polymer has a vinyl alcohol unit and a structural unit represented by formula (1). The distribution of the modification rate of the structural unit represented by (1) with respect to 100 mol% of all structural units in the modified polyvinyl alcohol polymer is 0.5 mol% or less.
C08L 29/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
D01F 6/34 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising unsaturated alcohols, acetals, or ketals as the major constituent
Provided is a high-strength fiber having excellent abrasion resistance. The high-strength fiber has, on the fiber surface, a wax and polysiloxane adhering thereto, the polysiloxane having a viscosity of at least 5000 mPa•s. When time-of-flight secondary ion mass spectrometry (TOF-SIMS) imaging is performed on said surface, with regard to a measurement region obtained from a monochrome image of 256 gradations by grayscale conversion of the intensity of ions derived from the polysiloxane, the number of pixels (excluding 0 gradation and 255 gradation) extracted as an attachment part of ions derived from the polysiloxane accounts for at least 60% of the total number of pixels constituting the measurement region.
D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
D06M 13/02 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compoundsSuch treatment combined with mechanical treatment with hydrocarbons
Provided are a seed coating material that is biodegradable, generates little dust, and exhibits excellent seed coatability, and a coated seed that is coated by this seed coating material. The seed coating material contains a vinyl alcohol-based polymer and optional sodium acetate. The ratio of the total content of the methanol-soluble component of the vinyl alcohol-based polymer plus the sodium acetate to the total content of the vinyl alcohol-based polymer plus the sodium acetate is 2 to 20 mass%.
A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests
MULTILAYER FILM FOR VACUUM HEAT INSULATOR, VAPOR DEPOSITED MULTILAYER FILM FOR VACUUM HEAT INSULATOR, MULTILAYER STRUCTURE FOR VACUUM HEAT INSULATOR, VACUUM PACKAGING BAG, AND VACUUM HEAT INSULATOR
Provided is a multilayer film for a vacuum heat insulator, which comprises an ethylene-vinyl alcohol copolymer layer (A), an adhesive layer (B) and a thermoplastic resin layer (C) in the stated order. The ethylene-vinyl alcohol copolymer layer (A) contains an ethylene-vinyl alcohol copolymer (a) having an ethylene unit content of 20-30 mol% as a primary component. The adhesive layer (B) contains an adhesive resin (b) as a primary component. The thermoplastic resin layer (C) contains polyethylene (c) as a primary component and is stretched at a stretching ratio of 3-12 times in at least one axial direction. The multilayer film can reduce the defect ratio when a vacuum heat insulator is produced and reduce the defect ratio after a vacuum heat insulator is bent.
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B65D 65/40 - Applications of laminates for particular packaging purposes
One aspect of the present invention relates to a method for regenerating molecular sieving carbon in which pores are controlled, the method including performing heat treatment using a heating gas that is substantially free of oxygen and carbon dioxide.
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01D 53/04 - 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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
The present disclosure provides a methacrylic resin composition that has good heat resistance and thermal decomposition resistance (thermal stability), has suppressed discoloration such as yellowing, and has good moldability. A methacrylic resin composition according to the present disclosure comprises a first methacrylic copolymer (A) having 10-99% by mass of a methyl methacrylate unit, 1-40% by mass of one or more isopropenyl aromatic compound units (UI) and 0-60% by mass of one or more other units (UO) and having a glass transition temperature of 120-150° C. The methacrylic resin composition further contains 1-1000 ppm of one or more organic disulfide compounds (D). The total residual amount of the raw material monomers of the methacrylic copolymer (A) is 0-1.00% by mass.
C08L 25/14 - Copolymers of styrene with unsaturated esters
C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
The present invention relates to a rubber composition containing: (A) 100 parts by mass of solid rubber; (B) 5-30 parts by mass of a modified liquid diene polymer having a modified group represented by formula (I) (in the formula, R1represents an alkylene group or phenylene group having 1-10 carbon atoms, R2 represents a hydrogen atom or an alkyl group having 1-2 carbon atoms, and * represents a bond); and (C) 30-150 parts by mass of a filler.
The present invention relates to a modified liquid diene polymer comprising a structural unit derived from butadiene, having a weight average molecular weight of 4,000-150,000, and having a modifying group represented by formula (I) (in the formula, R1represents an alkylene group or phenylene group having 1-10 carbon atoms, R2 represents a hydrogen atom or an alkyl group having 1-2 carbon atoms, and * represents a bond), wherein the amount of the structural unit derived from butadiene is 20-100% by mass based on the total amount of the modified liquid diene polymer, and the amount of 1,2-bonding units having a vinyl group, based on the total amount of the structural unit derived from butadiene, is 0-70 mol%.
C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
C08L 47/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsCompositions of derivatives of such polymers
The present invention relates to activated carbon which has a specific surface area of 1,150 m2/g to 2,200 m2/g as calculated by a BET method from the nitrogen adsorption/desorption isotherm, an adsorption amount of vitamin B12 of 10.2 mg/mL to 50 mg/mL after being in contact with 300 ppm of an aqueous solution of vitamin B12 for 24 hours, and a chlorine content of 2,500 ppm or less.
Provided are a polarizing plate, and a method for manufacturing the polarizing plate, and a polarizing film capable of satisfactorily suppressing a decrease in the light transmittance of the polarizing plate during high-temperature durability tests. The polarizing film contains polyvinyl alcohol and an iodine-based dye, wherein the peak top temperature of an endothermic peak appearing in a temperature range of 50°C to 150°C is 102°C or higher in differential scanning calorimetry measurement of the polarizing film.
Provided is a liquid crystal polyester fiber that suppresses gas generation during heating and has excellent hue. The liquid crystal polyester fiber has a total amount of carboxy end groups (total CEG amount) of 5.0 mEq/kg or less and a ketone bond amount of 0.05 mol % or less. For example, the liquid crystal polyester fiber may have a melting point of 380° C. or lower. In addition, the liquid crystal polyester fiber may have a tenacity of lower than 18 cN/dtex. Moreover, the liquid crystal polyester fiber may contain a liquid crystal polyester having a structural unit derived from 4-hydroxybenzoic acid at a proportion of 50 mol % or more.
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29K 67/00 - Use of polyesters as moulding material
D01F 6/62 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolycondensation products from polyesters
A porous formed plate includes 35 to 70% by mass of a substance not involved in a pozzolanic reaction; 20 to 61.5% by mass of a cement; 1 to 3% by mass of synthetic fibers; and 2.5 to 7% by mass of a pulp, wherein, in a pore size distribution of the formed plate that is determined by a mercury intrusion method, a ratio (B)/(A) of a pore volume (B) in a range of 6 to 560 nm with respect to a pore volume (A) in a range of 660 to 9,100 nm is 1.70 to 6.0.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 111/00 - Function, property or use of the mortars, concrete or artificial stone
The present invention relates to a polishing pad and a polishing method employing said polishing pad, the polishing pad including a polishing layer having a circular polishing surface, wherein: the polishing layer has one or more grooves α, each having a first end portion Eα1 and a second end portion Eα2 closer to the outer circumferential side of the polishing surface than the first end Eα1, each groove α extending from the first end portion Eα1 toward the second end portion Eα2; the first end portion Eα1 of each groove α exists in a region (1) which is in a range of 70.0 to 99.0% of the radius of the polishing surface from the center of the polishing surface; and the second end portion Eα2 of each groove α is not connected to the outer circumference of the polishing layer.
H01L 21/304 - Mechanical treatment, e.g. grinding, polishing, cutting
48.
CREPING ADHESIVE, POWDER FOR USE AS CREPING ADHESIVE, METHOD FOR PRODUCING CREPING ADHESIVE, AND TOILET PAPER, TISSUE PAPER, PAPER TOWEL, KITCHEN PAPER, OR NAPKIN BASE PAPER
Provided is a creping adhesive that is favorable in a thread-forming property, wet adhesiveness, and the like. A creping adhesive contains a PVA (A), wherein at least one of (i) and (ii) below is satisfied. (i) The PVA (A) includes a PVA having a minimum degree of branching of 0.25 or more and 0.93 or less within a range of an absolute molecular weight being 200,000 or more and 800,000 or less, and a ratio Mw/Mn of a weight-average molecular weight Mw to a number-average molecular weight Mn of the PVA (A) is 2.5 or more. (ii) The ratio Mw/Mn of the weight-average molecular weight Mw to the number-average molecular weight Mn of the PVA (A) is 3.8 or more.
A leather-like light-emitting display device can include a leather-like sheet that is a laminate of a colored resin layer forming an outer surface layer, and a fiber substrate; a light-emitting portion disposed below the leather-like sheet; and a light-blocking portion configured to partially limit transmission of light, and interposed between any layers from the colored resin layer to the light-emitting portion. The leather-like light-emitting display device is configured to exhibit light-emitting display with a luminance Ya of 200 cd/m2 or less in a non-light emitting region corresponding to the light-blocking portion and a luminance Yb of 100 to 2,000 cd/m2 in a light-emitting region corresponding to a portion other than the light-blocking portion, both as measured from a surface of the colored resin layer, and Yb/Ya being 2.0 or more.
H01L 33/54 - Encapsulations having a particular shape
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/56 - Materials, e.g. epoxy or silicone resin
A polyamide block copolymer that includes: a polymer block (A) having 50 mol % or more of a constituent unit derived from polyamide; and a polymer block (B) having 50 mol % or more of a constituent unit derived from at least one of a polyether and a polyester, in which the polymer block (B) has a glass transition temperature of 20° C. or lower and the polyamide block copolymer has a melting point of 230° C. or higher.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Filtering machines for chemical processing; separating machines for chemical processing; centrifuges for chemical processing; gas generators; cartridges for filtering machines; metalworking machines and tools; glassware manufacturing machines; plastic processing machines; semiconductor manufacturing machines; rubber manufacturing machines; machine coupling and transmission components (except for land vehicles) Photographic machines and apparatus; cinematographic machines and apparatus; optical machines and apparatus; measuring or testing machines and instruments; laboratory apparatus and instruments; dust masks; dust protective masks; gas masks; welding masks; gloves for protection against accidents; lifesaving apparatus and equipment; clothing for protection against fire; screens; liquid crystal display; backlight system for liquid crystal display; computer display monitors; signaling panels (luminous or mechanical); solar batteries; optical lenses; optical fibers; optical glass; optical apparatus; cell culture apparatus and instrument for laboratory and scientific use Filtering installations for water treatment for industrial use; filtering installations for water purification for industrial use; filtering installations for household tap-water filters; water purifying apparatus for household purposes; water treatment unit for industrial use; water purification installations for industrial purposes; septic tanks; waste water treatment tanks; apparatus for lighting, heating, cooking, freezing, drying, ventilating, water supply and sanitary purposes Automobile seat covers of textile; seat covers for automobiles; fitted covers for automobiles; vessels, namely, ships, boats and structural parts therefor; aircraft, namely, airplanes and structural parts therefor; railway vehicles, namely, trains and structural parts therefor; automobiles and structural parts therefor; two-wheeled motor vehicles, namely, motorcycles and structural parts therefor; bicycles and structural part therefor; apparatus for locomotion by land, air or water; automobiles and their parts and accessories
53.
HYDROGEL AND STERILIZED DRY HYDROGEL-FORMING ARTICLE
A sterilized dry hydrogel-forming article containing a crosslinked product of a vinyl alcohol polymer having a bioactive substance conjugated thereto. A hydrogel containing a crosslinked product of a vinyl alcohol polymer having an ethylenically unsaturated group and a carboxy group and a bioactive substance having an amino group, the carboxy group of the crosslinked product and the amino group of the bioactive substance being covalently bound via an amide bond.
A61K 47/58 - 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 by reactions only involving carbon-to-carbon unsaturated bonds, e.g. poly[meth]acrylate, polyacrylamide, polystyrene, polyvinylpyrrolidone, polyvinylalcohol or polystyrene sulfonic acid resin
The present invention relates to a multilayer structure for storing or transporting a gas comprising hydrogen, wherein the multilayer structure comprises at least three layers comprising an inner layer comprising at least one first polymer, a middle layer comprising ethylene-vinyl alcohol copolymer, and an outer layer comprising at least one second polymer, and wherein the water-vapour transmission rate of the inner layer is lower than that of the outer layer. The multilayer structure has excellent hydrogen gas barrier properties. Therefore, the multilayer structure is suitable for a hydrogen storage vessel and a hydrogen transportation pipe.
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
Present disclosure provides a multilayer structure including a layer structure (X) and a layer structure (Y) which are laminated via a water-soluble layer (A).
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 7/02 - Physical, chemical or physicochemical properties
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
A thermoplastic polyurethane for polishing layer, in which a D hardness after saturated and swollen by water of 50° C. in a sheet with a thickness of 2 mm is less than 50, and a contact angle with water in a sheet with a thickness of 200 μm is 70° or less.
B24B 37/24 - Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
The present invention relates to a carbonaceous material having a nitrogen element content, measured by element analysis, of 1.0% by mass or more, and a phosphorus element content, measured by X-ray fluorescence analysis, of 0.5% by mass or more.
The present invention relates generally to an aqueous seed coating composition based on a specific polyvinyl alcohol copolymer resin as a binder plus a hydrophobic pesticide additive, and seeds coated with such coating composition, which coated seeds have a desirable combination of bulk low dusting, bulk seed flowability and good germination characteristics.
The present disclosure provides: a polyvinyl acetal resin film that is suitable as a material of a laminate for a head-up display (HUD) device which includes a translucent base material and a light-reflecting layer and that can improve the image quality of a reflected image reflected on the surface of the light-reflecting layer; and a film laminate and a laminate that use the polyvinyl acetal resin film. This polyvinyl acetal resin film has a polyvinyl acetal resin content of 80-100 mass% and a plasticizer content of 20-0 mass% with respect to 100 mass% of the polyvinyl acetal resin film, a thickness (T) of 5-350 μm, a ten-point average roughness (Rz) of at least one surface of 2-7 μm, and a shear storage modulus at 100°C (G'(100)) of 0.3-0.7 MPa.
C08F 16/38 - 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical by an acetal or ketal radical
Provided is a fiber resin composite containing a unidirectional fiber aggregate of liquid crystal polyester fibers and a matrix resin. This fiber resin composite includes a liquid-crystal-polyester-fiber-containing layer that contains a unidirectional fiber aggregate of liquid crystal polyester fibers and a matrix resin, and a reinforcing-fiber-containing layer that contains reinforcing fibers and a matrix resin. The matrix resin of the liquid-crystal-polyester-fiber-containing layer is a hard resin, the single fiber fineness of the liquid crystal polyester fibers in the liquid-crystal-polyester-fiber-containing layer is 2.5 dtex or greater, the coverage of the liquid crystal polyester fibers in the liquid-crystal-polyester-fiber-containing layer is 91% or greater, and the coefficient of variation in the thickness of the liquid crystal polyester fibers in the liquid-crystal-polyester-fiber-containing layer is 0.33 or lower.
B32B 5/28 - 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 one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
D04H 3/04 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
This resin composition contains a polyester polyol (A) and a polylactic acid polymer (B). The polyester polyol (A) contains a unit derived from a polyhydric alcohol (a1) and a unit derived from a polyvalent carboxylic acid (a2). The polyhydric alcohol (a1) contains a C4 or higher aliphatic diol (a1-1) having an alkyl group as a branching chain.
The resin composition contains a block copolymer (I) and a cyclic ester compound (II). The block copolymer (I) comprises: a block structural unit (A) containing a polylactic acid unit (a) as a main component; and a block structural unit (B) for which a main component is a polyester unit (b) that contains a unit derived from an aliphatic diol (b1) and an aliphatic dicarboxylic acid (b2). The content of the cyclic ester compound (II) is 0.01-15 mass% with respect to 100 mass% for the total of the block copolymer (I) and the cyclic ester compound (II).
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
C08G 63/60 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
C08K 5/15 - Heterocyclic compounds having oxygen in the ring
C08L 101/16 - Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
filtering machines for chemical processing; Membrane filtration equipment and its parts and accessories; Hollow Fiber Membrane Filters for Filtration Machines; cartridges for filtering machines; Beverage processing machines Sewage purification apparatus; Industrial apparatus for purifying water; Membrane filtration units for water treatment apparatus; Tap-water purifying apparatus; Filters for drinking water; Water purifying apparatus for household purposes; Membrane separation waste water treatment apparatus; Hollow fiber membrane filter for industrial-water purifying apparatus
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
07 - Machines and machine tools
Goods & Services
Abrasives; Flexible abrasives; Abrasive paper; Abrasive rolls; Abrasive sheets; Abrasive cloth; Abrasive sand; Artificial pumice stone; Abrasive preparations; Abrasive compounds; Polishing paper; Polishing preparations; Stone polishing preparations; Abrasives for semiconductors; Grinding preparations for semiconductors; Sandpaper; Polishing pads impregnated with polishing preparations. Machine tools; Machines and machine tools for treatment of materials and for manufacturing; Abrasive instruments[machines]; Abrasive instrument [tools for machines]; Polishing discs[part of machines]; Metalworking machines and tools; Glass-working machines; Plastic processing machines and apparatus; Semiconductor manufacturing machines; Machines and apparatus for manufacturing rubber goods; Abrasive pads being parts of machines; polishing pads being part of machines; polishing pads being parts of machines for use in semiconductor manufacturing; Polishing pads sold as a component of polishing machines; Polishing pads holders being part of machines; machine parts, namely polishing pads used to polish electronic components, semiconductors and computer disks.
The present invention relates to: a polyamide composition including a polyamide (A) and a carbon fiber-containing filler (B), wherein the Fe content in the polyamide composition is 3-300 mass ppm relative to the total amount of the polyamide (A); a molded body including said polyamide composition; and a method for producing said polyamide composition.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
The present invention relates to: a polyamide composition including a polyamide (A) and a carbon fiber-containing filler (B), wherein the percentage of C(=O)-O bonds in the carbon fiber-containing filler (B) as calculated from peak intensities obtained using X-ray photoelectron spectroscopy is 1.0% or more; a molded body including said polyamide composition; and a method for producing said polyamide composition.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
Provided is an ultrafine polyester fiber capable of exhibiting good dispersibility regardless of aspect ratio. The polyester fiber has an average cross-sectional area x of 1-40 μm2calculated from cross-sectional area data of a single yarn, and a standard deviation σ of cross-sectional area of 10 μm2 or less, wherein the ratio Ao/Ai of a total value Ao of cross-sectional areas of the data outside a range of x ± 2.5σ to a total value Ai of cross-sectional areas of the data in the range of x ± 2.5σ may be 10% or less. In the polyester fiber, the single yarn may have an average fiber diameter of 1-10 μm and a roundness of 0.90-1.00 in fiber cross-section.
POLYVINYL ALCOHOL RESIN, DISPERSANT FOR SUSPENSION POLYMERIZATION, METHOD FOR PRODUCING VINYL POLYMER PARTICLES, AND METHOD FOR PRODUCING POLYVINYL ALCOHOL RESIN
A polyvinyl alcohol resin containing a polyvinyl alcohol as a substantially sole polymer component, wherein the polyvinyl alcohol resin has: an absorbance Abs320 at an optical path length of 10 mm and a wavelength of 320 nm being 0.09 or more, when prepared into a 0.1% by mass aqueous solution; a ratio (Abs320/Abs370) of the absorbance Abs320 to an absorbance Abs370 at an optical path length of 10 mm and a wavelength of 370 nm being 4.9 or less, when prepared into the 0.1% by mass aqueous solution; and a total content of divalent metal elements and trivalent metal elements being less than 30 μmol/g.
Disclosed is a polishing pad including a polishing layer that is a molded body of a polyurethane composition, wherein the polyurethane composition contains 90 to 99.9 mass % of a thermoplastic polyurethane including a non-alicyclic diisocyanate unit as an organic diisocyanate unit, and 0.1 to 10 mass % of a hygroscopic polymer, and the molded body has a hardness of 60 or more and less than 75, as measured with a type-D durometer compliant with JIS K 7215.
These coated fibers have excellent sizing performance and adhesion with rubber, as well as excellent strength after friction, and further, can be manufactured while suppressing contamination of manufacturing equipment. The coated fibers are characterized by being fibers coated with a coating containing one or more selected from the group consisting of an adhesive composition containing conjugated diene rubber and a reactant of the adhesive composition, and also characterized in that the molecular weight distribution curve by GPC analysis of the coating satisfies both condition (1) and condition (2). Condition (1): Has at least one peak with a molecular weight in the range from 2,600 to 19,000. Condition (2): The area ratio [(A)/(B)] is 0.5-9.0, where (A) is the area under the curve in in which the molecular weight is in the range from 2,600 to 19,000 and (B) is the area under the curve in which the molecular weight is in the range of 19,000-540,000.
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
D06M 13/11 - Compounds containing epoxy groups or precursors thereof
Provided is a resin composition that has a low dielectric loss tangent at a high-frequency band and enables the formation of a film having reduced film thickness unevenness. The resin composition contains a thermoplastic liquid crystal polymer. The resin composition has a dielectric loss tangent at 5 GHz of no greater than 0.0015. When, after 12 minutes of measurement at a frequency of 1 rad/s using a rotary rheometer, the frequency is switched to 100 rad/s, the percentage of reduction in the complex viscosity η* 7 minutes after the switch is 20% or less.
C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
B32B 15/09 - 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 polyesters
The present invention pertains to a method for producing cells, the method comprising: a step for preparing a culture vessel containing a composition comprising a liquid culture medium, a hydrogel containing a crosslinked form of a vinyl alcohol-based polymer, and raw material cells; a step for culturing the raw material cells on the surface of the hydrogel; and a step for detaching the cultured cells from the surface of the hydrogel by means of a liquid flow.
Provided is a thermoplastic liquid-crystal polymer film including a thermoplastic polymer (hereinafter referred to as a thermoplastic liquid-crystal polymer) capable of forming an optically anisotropic molten phase. The absolute value of a difference in the coefficient of thermal expansion along the film thickness direction before and after the film is heated at a temperature higher by 20°C than the melting point Tm of the thermoplastic liquid-crystal polymer for 60 seconds is less than 40 ppm/°C. The film has a dielectric loss tangent at 5 GHz of 0.0015 or less.
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
C08G 63/60 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances
74.
THERMOPLASTIC LIQUID CRYSTAL POLYMER FILM, METAL-CLAD LAMINATE, LAMINATE, AND METHODS FOR PRODUCING SAME
A thermoplastic liquid crystal polymer film comprising a polymer capable of forming an optically anisotropic molten phase, wherein the thermoplastic liquid crystal polymer film has a first surface and a second surface that face each other, at least one of the first and second surfaces has a surface shape having a ratio Sdr/Sdq of 5-200 between the spread area ratio Sdr (%) and the root mean square slope Sdq.
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
75.
CEMENT COMPOSITION, FLUID LOSS CONTROL AGENT, AND FLUID LOSS CONTROL METHOD FOR CEMENT
A cement composition containing a fluid loss control agent and a cement, wherein the fluid loss control agent contains a vinyl alcohol polymer and a crosslinking agent, and a swelling percentage of the fluid loss control agent is 200% or more and 3,600% or less.
Disclosed is a polishing pad including a polishing layer that is a molded body of a polyurethane composition, wherein the polyurethane composition contains 90 to 99.9 mass % of a thermoplastic polyurethane including a non-alicyclic diisocyanate unit as an organic diisocyanate unit, and 0.1 to 10 mass % of a hygroscopic polymer, and the molded body has a hardness of 75 to 90, as measured with a type-D durometer compliant with JIS K 7215.
One aspect of the present invention is a carbon dioxide adsorption battery which comprises: a pair of electrodes; a separator that is disposed between the pair of electrodes; electrolytes that are respectively disposed between the pair of electrodes and the separator; and a pair of flow paths that are respectively connected to the pair of electrodes. Each of the pair of electrodes is an electrode that is gas-permeable. The electrolytes each comprise an electrolyte solution which is capable of dissolving carbon dioxide, and a compound which is capable of adsorbing/desorbing carbon dioxide by means of an electrochemical reaction.
H01M 12/08 - Hybrid cellsManufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
B01D 53/32 - 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 electrical effects other than those provided for in group
A product according to the present invention comprises: packaging that comprises a multilayer structure; and contents that are contained in the packaging and have a sodium chloride content of at least 1 mass%. The multilayer structure has a barrier layer (A) that includes EVOH (a) as a principal component, an inorganic vapor deposition layer (B) that is layered on the barrier layer (A) and has an average thickness of 7–100 nm, and a heat seal layer (E) that includes a polyolefin (e) as a principal component and is the outermost layer on the reverse side of the barrier layer (A) from the side on which the inorganic vapor deposition layer (B) is layered. The total of the average thickness of layers that include a polyolefin resin as a principal component and are layered on the reverse side of the barrier layer (A) from the side on which the inorganic vapor deposition layer (B) is layered is at least 45 μm, and the heat seal layer (E) is on the inner surface side of the packaging.
B65D 65/40 - Applications of laminates for particular packaging purposes
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
filtering machines for chemical processing; Membrane filtration equipment and its parts and accessories; Hollow Fiber Membrane Filters for Filtration Machines; cartridges for filtering machines; Beverage processing machines. waste water treatment tanks; septic tanks; purification installations for sewage; Membrane purifying apparatus for the purification of water; Water purification apparatus; Waste water treatment apparatus; industrial-water purifying apparatus; Hollow fiber membrane filter for industrial-water purifying apparatus; tap-water purifying apparatus; filters for drinking water; household tap-water filters.
80.
METHOD FOR PRODUCING ETHYLENE-VINYL ALCOHOL COPOLYMER
The method for producing an ethylene-vinyl alcohol copolymer has a step (I) in which an ethylene-vinyl acetate copolymer in a solution of an ethylene-vinyl acetate copolymer is saponified using an alkali catalyst to obtain a solution of a saponified ethylene-vinyl acetate copolymer having a degree of saponification of from 10 mol% to less than 60 mol% and a step (II) in which the solution of the saponified ethylene-vinyl acetate copolymer is supplied to top of a tower reactor (A), solvent vapor is supplied to the lower part and discharged from the top, and an alkali catalyst is supplied below the location at which the solution of the saponified ethylene-vinyl acetate copolymer is supplied to further saponify the saponified ethylene-vinyl acetate copolymer, and a solution of an ethylene-vinyl alcohol copolymer having a degree of saponification of from 99 mol% to 100 mol% obtained is removed from the tower bottom. According to this production method, even when an ethylene-vinyl alcohol copolymer is produced continuously for a long period of time, the ethylene-vinyl acetate copolymer can be saponified efficiently, so that the ethylene-vinyl alcohol copolymer can be produced at good productivity.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Filtering machines, separators and centrifuges; Gas generators; Gas Separators; Filters for ballast water treatment units; Filters for water purification installations; Filters for sewage treatment plants; Cartridges for filtering machines; Machine tools; Machines, namely, molding machines, glass-working machines, machines for the textile industry, machines for processing plastics, semiconductor manufacturing machines; Belts for machines; Motors and engines (except for land vehicles); Machine coupling and transmission components (except for land vehicles). Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking [supervision], life-saving and teaching apparatus and instruments; Dust masks (Dust protective masks); Protective masks; Gloves for protection against accidents; Lifesaving apparatus and equipment; Clothing for protection against fire; Electro conductive fiber yarns and threads; Screens; Liquid crystal display; Backlight system for liquid crystal display; Computer display monitors; Signaling panels (luminous or mechanical); Solar batteries; Optical lenses; Optical fibers; Optical glass; Optical apparatus; Cell culture apparatus and instrument for laboratory and scientific use. Separators for the cleaning and purification of gases; Filtering installations for ballast water treatment; Filtering installations for water purification; Filtering installations for sewage treatment; Ballast water treatment unit; Water purification installations; Purification installations for sewage; Sewage treatment plants; Septic tank for industrial purposes; Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes. Seat covers for vehicles; Vehicles and their parts and accessories; Apparatus for locomotion by land, air or water; Automobiles and their parts and accessories.
A resin composition containing: a β-methyl-δ-valerolactone polymer represented by general formula (I-a) or (I-b); and a 3-hydroxyalkanoate polymer represented by general formula (II).
A resin composition containing: a polyhydroxyalkanoate polymer having a first monomer unit represented by general formula (M1) and a second monomer unit represented by general formula (M2); and a β-methyl-δ-valerolactone polymer.
A resin composition containing: a polyhydroxyalkanoate polymer containing more than 99.0 mol% of a monomer unit represented by general formula (M); and a β-methyl-δ-valerolactone polymer.
A polyamide block copolymer according to the present invention includes a polymer block (A) that contains at least 50 mol% of a structural unit derived from a semi-aromatic polyamide and a polymer block (B) that has a glass transition temperature of no more than 20°C. The polyamide block copolymer has a terminal cap rate of at least 10%.
C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
86.
POLYAMIDE BLOCK COPOLYMER, POLYAMIDE BLOCK COPOLYMER COMPOSITION, AND MOLDED ARTICLE
Provided is a polyamide block copolymer having a melting point of 230°C or higher and including: a polymer block (A) containing 50 mol% or more of a constituent unit derived from a polyamide; and a polymer block (B) having a glass transition temperature of 20°C or lower. On a temperature-loss tangent (tanδ) curve obtained for a test specimen, the temperature T0 (°C) at which the loss tangent in the temperature range of -100°C to 160°C reaches the maximum value tanδ (max) satisfies expression (1): -60°C ≤ T0 ≤ 120°C, and a first temperature T1 (°C), which is lower than the temperature T0 and at which the loss tangent is half the value of the maximum value tanδ (max), and a second temperature T2 (°C), which is higher than the temperature T0 and at which the loss tangent is half the value of the maximum value tanδ (max), satisfy expression (2): (T2-T1) ≤ 170.
C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
87.
POLARIZING PLATE, HEAT FORMED BODY FORMED THEREOF, AND HEAT FORMED BODY MANUFACTURING METHOD
There is provided a polarizing plate comprising a polarizing film with a thickness of 20 μm or less, wherein the amount of a non-oriented amorphous part in the polarizing film is 55 to 70%. Here the amount of an oriented crystalline part in the polarizing film is preferably 10 to 15%. By thermoforming the polarizing plate, there can be provided a thermoformed article having sufficient polarization performance and free from cracks even with a large deformation amount during thermoforming.
A resin composition containing: a polyhydroxyalkanoate polymer having a first monomer unit represented by general formula (M1) and a second monomer unit represented by general formula (M2); and a β-methyl-δ-valerolactone polymer.
The present invention pertains to a hardened body of a hydraulic composition, said hardened body containing alkali-resistant fibers, calcium silicate and calcium aluminate, and having a ratio of pore volume in the 11-300,000 nm range to pore volume in the 6-10 nm range in a pore size distribution of the hardened body obtained by the mercury intrusion method of 14 or less.
E04C 2/04 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like materialBuilding elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of asbestos cement
92.
MULTILAYER FILM, VAPOR-DEPOSITED MULTILAYER FILM, MULTILAYER STRUCTURE, PACKAGING MATERIAL, RECOVERY COMPOSITION, METHOD FOR RECOVERING MULTILAYER STRUCTURE, AND METHOD FOR PRODUCING MULTILAYER FILM
Provided is a multilayer film that is exceptional in appearance characteristics, gas barrier properties, and recyclability even when a film width is 500 mm or greater. This multilayer film has a layer (X) as an outermost layer and has a configuration in which the layer (X), a layer (Y), and a layer (Z) are laminated adjacently in the stated order, the layer (X) being composed of only a resin composition (A) that contains an EVOH (a1) having an ethylene unit content of 20-50 mol% and a saponification degree of 90 mol% or greater, and polyvalent metal ions (a2), the layer (Y) containing an adhesive resin (B) having a melting point of less than 170°C as a main component, the layer (Z) containing a polyolefin resin (C) having a melting point of less than 170°C as a main component, the resin composition (A) containing 350-2000 ppm of the polyvalent metal ions (a2), the polyvalent metal ions (a2) being at least one selected from the group consisting of magnesium ions, calcium ions, zinc ions, cobalt ions, and manganese ions, and the width of the multilayer film being 500 mm or greater.
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Provided is a vinyl alcohol polymer, wherein expression (1) is satisfied by: an aqueous solution viscosity X [cp], at 20°C and a shear rate of 1 [1/s], of an aqueous solution in which the content of the vinyl alcohol polymer is 1.5 mass% and which exhibits a pH of 4 at 20°C; and an aqueous solution viscosity Y [cp], at 20°C and a shear rate of 1 [1/s], of an aqueous solution in which the content of the vinyl alcohol polymer is 1.5 mass% and which exhibits a pH of 10 at 20°C. (1): 1.5
A modification method of a polyurethane, including the steps of: preparing a polyurethane having an ethylenically unsaturated bond; and treating the polyurethane with a liquid containing a compound having a conjugated double bond, or a modification method of a polyurethane, including the steps of: preparing a polyurethane having a conjugated double bond; and treating the polyurethane with a liquid containing a compound having an ethylenically unsaturated bond is used.
The present invention relates to a carbonaceous material having a nitrogen element content determined by elemental analysis of 1.0% by mass or more, a true density determined by a butanol immersion method of 1.50 to 1.65 g/cc, a tapped bulk density of 0.7 to 1.0 g/cc, and a carbon interplanar spacing (d002) measured by X-ray diffraction of 3.65 Å or more.
The present disclosure provides a thermoplastic resin film that can impart an appropriate surface relief for an application, and can satisfactorily maintain the surface relief shape after secondary molding. A thermoplastic resin film (1) according to the present disclosure has: a first resin layer (21) that comprises a methacrylic resin (composition) (MR); and a second resin layer (22) that comprises a thermoplastic resin (composition) (TR) having a lower glass transition temperature than the methacrylic resin (composition) (MR), wherein when Tg(1) (°C) is the glass transition temperature of the methacrylic resin (composition) (MR) and Tg(2) (°C) is the glass transition temperature of the thermoplastic resin (composition) (TR), Tg(1)≥130 and Tg(1)≥Tg(2)+20, the storage modulus (E') of the first resin layer at a temperature of Tg(2)+20 (°C) is 10 MPa or greater, and the ratio of the thickness of the first resin layer to the thickness of the second resin layer is 1/1 to 1/10.
Provided is a multilayer film in which die build-up during manufacturing is suppressed and which has excellent gas barrier properties and recycling properties. This multilayer film has a layer (X) as an outermost layer and at least one layer different from the layer (X), wherein: the layer (X) is composed of only a resin composition (A) that contains at least one gas barrier resin (a) selected from the group consisting of PA and vinyl alcohol-based resins and a polyolefin (b) having an MFR of at least 3.0 g/10 min at 190ºC under a load of 2.160 kg, as measured in accordance with JIS K7210-1 (2014); and the resin composition (A) contains 0.1-20 parts by mass of the polyolefin (b) with respect to 100 parts by mass of the gas barrier resin (a).
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Provided is a liquid crystal polyester fiber having excellent fatigue resistance against tensile deformation and compressive deformation. The liquid crystal polyester fiber has a ketone binding amount of 0.050 mol% or less, tensile strength of 18 cN/dtex or more, and single fiber compressive strength of 0.55 cN/dtex or more. For example, in the liquid crystal polyester fiber, the total carboxy end group amount (total CEG amount) may be more than 5.0 meq/kg and 85.0 meq/kg or less. The liquid crystal polyester fiber may contain a liquid crystal polyester in which constituent units including a 2,6-naphthylene group are contained in an amount of 28 mol% or more with respect to the total amount of all constituent units.
Provided are a solution, a method for producing such a solution, and the like, the solution being highly stable regardless of the alcohol content and excellent in the performance as a dispersant for suspension polymerization. The solution includes a vinyl alcohol-based polymer (A) having a saponification degree of 30-80 mol% and a polymerization degree of 100-700, a compound (B), and an alcohol (C). The compound (B) is represented by formula (1). In formula (1), X is an oxygen atom or the like. Y is a group having a carbon number of 1-10. Z is one type selected from the group consisting of carboxyl groups, sulfo groups, phosphate groups, salts thereof, and anions thereof. R 1 is an acyl group or a hydrocarbon group.
This method for producing EVOH has: a saponification step (I) for supplying an EVAc solution containing EVAc and an alcohol to the top of a column type reactor, supplying an alcohol vapor to the bottom of the reactor, discharging the alcohol vapor from the top of the reactor, saponifying the EVAc using an alkali catalyst, and discharging an EVOH solution from the bottom of the column; and an aldehyde reduction step (II) for reducing the amount of aldehyde in a recovered alcohol (a) obtained by recovering alcohol used in the saponification step (I), thereby obtaining an alcohol (b). The aldehyde reduction step (II) includes a step for reducing the amount of aldehyde by bringing the recovered alcohol (a) into contact with an acetalation catalyst. In the saponification step (I), the alcohol vapor supplied to the bottom of the reactor contains the alcohol (b), and the alcohol (b) contains crotonaldehyde. Due to this configuration, provided is a method for producing EVOH in which the obtained EVOH has a lower environmental impact while suppressing a deterioration in color hue.
