22=CR1R2, and is characterized by including the following four kinds of triads (U-1) to (U-4) each composed of the constituent unit (A) and the constituent unit (B): (U-1), (A)-(A)-(A); (U-2), (A)-(A)-(B); (U-3), (B)-(A)-(A); and (U-4), (B)-(A)-(B), the total content of (U-2) and (U-3) in all the four kinds of triads being 9.0 mol% or less.
Provided is a composition that contains a compound having polymerizability, that has high storage stability, and that can suppress corrosion of metal during storage. This composition contains an unsaturated compound represented by formula (1) and an organic halide. The contained amount of the organic halide expressed as halogen elements is 1-10,000 mass ppm with respect to the contained amount of the unsaturated compound. In formula (1), R1, R2, R3, R4, R5, and R6 each independently represent a hydrogen atom or an alkyl group having 1-10 carbon atoms.
3-Methyl-1-butene that has a purity determined by gas chromatography of 99.5000-99.9940% and contains 0.0070-0.1700% of 2-methyl-1-butene as an impurity.
22=CR1R2 (I), wherein the copolymer is characterized by containing the following four triplet structures (U-1) to (U-4) composed of the structural unit (A) and the structural unit (B), (A)-(A)-(A)…(U-1), (A)-(A)-(B)…(U-2), (B)-(A)-(A)…(U-3), (B)-(A)-(B)…(U-4), and by the total content of (U-2) and (U-3) in the total amount of the four triplet structures being 5.5 mol% or less.
Provided are a multilayer structure and the like being superior in adhesiveness of an interlayer under high humidity and separability of a barrier layer in water, and even in a case in which the barrier layer is exposed to water in a separating and collecting step, being superior in viscosity stability after separating and collecting a resin that constitutes the barrier layer. The multilayer structure of the present invention is a multilayer structure including a barrier layer (A), a water-soluble layer (B), and an adhesive layer (C), in which: the adhesive layer (C) is laminated via the water-soluble layer (B) on one or both faces of the barrier layer (A); the barrier layer (A) contains a polyamide or an ethylene-vinyl alcohol copolymer (a1) as a principal component; and the water-soluble layer (B) contains an alkali metal ion (b1) at a content of 100 ppm or more and 2,000 ppm or less.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B29B 17/02 - Separating plastics from other materials
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
A plastic wavelength shifting fiber includes a core containing a fluorescent agent having a peak of a fluorescence spectrum in a wavelength range of 430 to 550 nm, and a cladding covering an outer peripheral surface of the core and having a refractive index lower than that of the core. The number of carbonyl bonds in the fluorescent agent is one or smaller.
A resin composition containing: a block copolymer (I) having a polymer block (a1) containing a structural unit derived from an aromatic vinyl compound and a polymer block (a2) containing a structural unit derived from a conjugated diene compound; a plasticizer (II); and a biomass-derived polyolefin-based resin (III); in which the plasticizer (II) contains a plasticizer (II-1) containing a biomass-derived raw material; and in which the resin composition has a biobased content of 45% by mass or more, and a molded body obtained by using the resin composition.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
POSITIVE ELECTRODE ADDITIVE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITION FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY CONTAINING SAID ADDITIVE, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY PROVIDED WITH SAME
Provided is an additive for nonaqueous electrolyte secondary battery positive electrodes, which can improve the electrical conductivity of electrodes, decrease the resistance of electrodes, and increase the use efficiency of cation species such as lithium ions, sodium ions, various quaternary ammonium salts, and phosphonium salts. The additive includes a carbonaceous material having a specific surface area as determined by the BET method of from 1,000 m2/g to 2,000 m2/g, a micropore volume as determined by the DFT method of less than 0.60 cm3/g, and an oxygen content as measured by elemental analysis of 0.5% by mass or more and less than 1.3% by mass.
A device (10) for producing an inflation film comprises: an extrusion means (1) which melts a thermoplastic resin and extrudes the melt through an annular die (2); a blowing means (2b) which supplies a gas to the inside of the extruded tubular melt to form a bubble; an air ring (7) which blows air against the bubble from outside; a take-off device (12) which takes off the bubble while folding the bubble into a sheet form; and a winding device (6) which winds up the folded film. The device (10) for producing an inflation film is equipped with a heating means (8) disposed on the peripheral side of a bubble formation region and extending from a position above the air ring to a position having a given height, and temperature control is conducted for at least two separate zones arranged in the height direction.
A method for producing a thermoplastic liquid crystal polymer film by an inflation filmmaking method that melt extrudes a liquid crystal polymer that exhibits optical anisotropy when molten from an annular die into a tube shape, forms a bubble by supplying a gas and expanding the interior space thereof while cooling this tube-shaped molten material, and takes off this bubble while folding into a sheet shape, wherein the bubble is taken off while heating in a state such that the ratio hf/ht of the height hf from the exit of the die to the frost line of the bubble and the height ht from the exit of the die to the upper end of the heating means is from 50% to 100% by heating the bubble by a heating means provided on the outer periphery of the bubble formation zone, and a thermoplastic liquid crystal polymer film having a molecular orientation SOR of 0.8 to 1.5 is produced.
Provided are: a composition which contains a vinyl alcohol-based polymer and an amphipathic substance and which can yield polymer particles having a small average particle diameter, few coarse particles and good plasticizer-absorbing properties even if suspension polymerization is carried out at a high temperature; a dispersing agent for suspension polymerization, which contains this composition; and a method for producing a vinyl-based polymer. The present invention is a composition which contains a vinyl alcohol-based polymer (A) and an amphipathic substance (B). The vinyl alcohol-based polymer (A) is a carbonyl group-containing vinyl alcohol-based polymer having a degree of saponification of 60 mol% or more. The amphipathic substance (B) includes at least one type selected from the group consisting of a surfactant and a vinyl alcohol-based polymer having a degree of saponification of less than 60 mol%.
C08F 16/34 - 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 aldehydo radical
The present disclosure provides a resin pellet group including a pellet (A1) containing an ethylene-vinyl alcohol copolymer (a1), and a pellet (A2) containing an ethylene-vinyl alcohol copolymer (a2).
Provided are: an adhesive composition that is highly bio-based and has suitable adhesion and high thermal resistance; and a production method for the same. This adhesive composition comprises: a block copolymer (X) that includes a polymer block (A) containing a structural unit derived from an aromatic vinyl compound and a polymer block (B) containing a structural unit derived from a conjugated diene compound; and a tackifier (Y). The block copolymer (X) includes, as the polymer block (B), at least one polymer block (B-1) containing a structural unit derived from β-farnesene, and the block copolymer (X) includes at least one block copolymer selected from the group consisting of a non-hydrogenated block copolymer (X0), which is a block copolymer that has not been hydrogenated, and a hydrogenated block copolymer (X1), which is a block copolymer that has been hydrogenated and which has a degree of hydrogenation of less than 50 mol%.
Provided are: a resin composition that exhibits an excellent moldability and contains material that can lessen the environmental impact; and a molded article that uses this resin composition. This resin composition comprises: (I) a block copolymer that contains a polymer block (a1) containing an aromatic vinyl compound-derived structural unit and a polymer block (a2) containing a conjugated diene compound-derived structural unit; and (II) a biomass-derived plasticizer that does not have the carboxy group. The biobased content of the plasticizer (II) is at least 70 mass%.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
15.
ACRYLIC RESIN COMPOSITION FOR SENSOR PROTECTION COVERS
An acrylic resin composition for sensor protection covers, which comprises an acrylic resin (A) and a light absorber (B), the acrylic resin composition having a deflection temperature under load of 110°C or higher. A 1-mm-thick molded object of the acrylic resin composition has optical properties satisfying all of the requirements (i) to (v). (i) When light having a wavelength of 380-700 nm is caused to enter the molded object at an incidence angle of 0°, the maximum transmittance is 10% or less. (ii) When light having a wavelength of 850-950 nm is caused to enter the molded object at an incidence angle of 0°, the minimum transmittance is 85% or greater. (iii) When light having a wavelength of 1,500-1,600 nm is caused to enter the molded object at an incidence angle of 0°, the average transmittance is 85% or greater. (iv) 0.9≤(transmittance of light having a wavelength of 900 nm when the light is caused to enter the molded object at an incidence angle of 60°)/(transmittance of light having a wavelength of 900 nm when the light is caused to enter the molded object at an incidence angle of 0°)≤1.1 (v) 0.9≤(transmittance of light having a wavelength of 1,550 nm when the light is caused to enter the molded object at an incidence angle of 60°)/(transmittance of light having a wavelength of 1,550 nm when the light is caused to enter the molded object at an incidence angle of 0°)≤1.1
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
16.
LAMINATE INCLUDING ADHESIVE LAYER INCLUDING ACRYLIC ADHESIVE COMPOSITION
A laminate is provided that has an adhesive layer including a composition containing an acrylic block copolymer, the adhesive layer being so designed that it has a small change in adhesive force over time. The laminate includes an adhesive layer (B) including an acrylic adhesive composition (Z), and a substrate layer (A) including a polyolefin resin (a), the acrylic adhesive composition (Z) including an acrylic block copolymer (I) having one or more polymer blocks (b1) containing an acrylic acid ester-derived structural unit, and one or more polymer blocks (b2) containing a methacrylic acid ester-derived structural unit, the polymer block (b1) containing a structural unit derived from an acrylic acid ester (b1-1) represented by the general formula (1) CH2═CH—COOR1 (wherein R1 denotes a C7-C12 organic group).
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
The present invention relates to a method for producing an acetalization product of an ethylene/vinyl alcohol copolymer by acetalization of an ethylene/vinyl alcohol copolymer, wherein the ethylene/vinyl alcohol copolymer is a porous object.
C08G 65/34 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
Provided are: an adhesive agent having excellent adhesiveness and heat resistance; a cured product of the adhesive agent; and a member including the cured product. Specifically, the adhesive agent comprises: 0.05-9.5 mass% of a polyfunctional, polymerizable compound (A) represented by general formula (a1); and 90.5-99.95 mass% of a polymerizable monomer (B). [In general formula (a1), R1-R3each independently represent a hydrogen atom, an alkyl group having 1-6 carbon atoms, an alkenyl group having 2-6 carbon atoms, an aryl group having 6-12 carbon atoms, or an aralkyl group having 7-13 carbon atoms, and R4 represents a (meth)acryloyl group, a vinyl phenyl group, or an alkenyl group having 2-6 carbon atoms. n represents an integer of 1-6.]
Provided is a composition for a vibration-damping material capable of yielding a vibration-damping material having a wide temperature range in which the tanδ value is 0.5 or more. Provided is a vibration-damping material obtained by curing this composition for a vibration-damping material, and provided is a member containing this vibration-damping material. This composition for a vibration-damping material specifically contains 0.05-9.5 mass% of a polyfunctional polymerizable compound (A) represented by general formula (a1) and 90.5-99.95 mass% of a polymerizable monomer (B). [In general formula (a1), R1to R3each independently represent a hydrogen atom, a C1-6 alkyl group, a C2-6 alkenyl group, a C6-12 aryl group, or a C7-13 aralkyl group, and R4 represents a (meth)acryloyl group, a vinyl phenyl group, or a C2-6 alkenyl group. n represents an integer of 1 to 6.]
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Unprocessed artificial and synthetic resins; unprocessed plastics; unprocessed elastomers; adhesives used in industry; chemicals for use in the manufacture of plastics, paints, coating, adhesives and lubricants; chemical agents for use in the manufacture of plastics, paints, coating, adhesives and lubricants; polymers and polymeric additives for use in the manufacture of plastics, paints, coating, adhesives, and lubricants; plastic compounds used in the manufacture of adhesive; chemical additives in the nature of unprocessed plastic for industrial use; synthetic resins used in the manufacture of plastic molding compounds; elastomer resins for use in manufacturing.
(2) Rubber; semi-processed artificial and synthetic resins; plastics for use in manufacture; plastic semi-worked products for use as material; plastic in the form of strips, bars, blocks, pellets, rods, tubes, fibers, film and sheets for industrial use; plastic laminated panels for use in the manufacture of displays, signs and packaging; adhesive-coated plastic sheeting; semi-processed elastomers for use in manufacture.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Unprocessed synthetic resins; unprocessed artificial resins; unprocessed plastics in primary form for industrial use; unprocessed elastomers, namely, unprocessed thermoplastic elastomer resins for use in manufacturing in a wide variety of industries; chemicals used in industry; adhesives for use in industry; chemical additives for lubricants; chemical additives for fuel Rubber, raw or semi-worked; semi-processed synthetic resins; semi-processed plastics; Thermoplastic elastomer resins in pellet form for use in further manufacture
22.
Porous Pellets of Ethylene-Vinyl Alcohol Copolymer, and Method for Producing Same
Provided are: porous pellets of an EVOH; and a method for producing the same, which can be accompanied by not only washing out of saponification residues in a shorter period of time, but also inhibiting conglutination of the pellets with one another during washing at a high temperature. Porous pellets of an ethylene-vinyl alcohol copolymer having pores, wherein in the porous pellets, a proportion (V2/V1×100) of a total value (V2) of pore volumes of pores having pore diameters of 0.5 to 100 μm with respect to a total value (V1) of pore volumes of pores having pore diameters of 0.005 to 100 μm is 25 to 40% by volume, and a pore surface area of pores having pore diameters of 0.005 to 100 μm is 25 to 45 m2/g.
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
Disclosed herein are methods for producing core-sheath structures by shaping at least one filament bundle containing a plurality of filaments to form at least one shaped strand of filaments, and braiding a plurality of strands, including the at least one shaped strand of filaments, over a core to form the core-sheath structure containing a braided sheath of the strands surrounding the core, wherein the shaped strand of filaments is an untwisted strand having a twist level of less than 1 turn per meter, a cross-sectional aspect ratio of the shaped strand of filaments is at least 3:1, as measured in the braided sheath, a thickness of at least a portion of the braided sheath ranges from about 10 to about 200 μm, and the braided sheath comprises a synthetic fiber having a tensile strength of greater than 12 cN/dtex. Also disclosed herein are core-sheath structures formed by such methods.
A purging agent which enables efficiently discharging a resin to be purged in a molding apparatus is provided. Porous particles contain: an ethylene-vinyl alcohol copolymer (A); and an alkali metal (B), wherein a median pore diameter is 0.01 to 3 μm, an average particle diameter is 2.5 to 8 mm, and a content of the alkali metal (B) is 1,000 to 100,000 ppm.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
A gas separation membrane module includes at least one hollow fiber membrane element and a casing. The hollow fiber membrane element includes hollow fiber membranes and a cylindrical body. The cylindrical body extends in a longitudinal direction of the hollow fiber membranes, and accommodates the hollow fiber membranes. The hollow fiber membrane element includes sweep gas introduction ports and mixed gas discharge ports. A first supply chamber, a first discharge chamber, a second supply chamber, and a second discharge chamber are positioned between the casing and the hollow fiber membrane element. The first supply chamber, the first discharge chamber, the second supply chamber, and the second discharge chamber are partitioned off from each other.
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
(1) Adhesives for dental and dentistry purposes; bonding and primer materials for dental purposes; dental bonding material; dental cements; dental ceramics; dental composite materials; dental resin for temporary bridges, crowns and veneers; dental restoration material; dental sealants; dental wax; material for stopping teeth; materials and auxiliary materials for the manufacture of dental models; materials for dental fillings
(2) Dental instruments; prosthetic instruments for dental purposes; shade guides for dental use; tools used in the shaping of dental fillings
(3) Application brush for dental purpose
27.
HYDROGENATED PRODUCT OF BLOCK COPOLYMER, RESIN COMPOSITION, AND METHOD FOR PRODUCING HYDROGENATED PRODUCT OF BLOCK COPOLYMER
A hydrogenated product of a block copolymer containing a polymer block (A) that contains a structural unit derived from an aromatic vinyl compound and a polymer block (B) that contains a structural unit derived from a conjugated diene compound, which satisfies the following requirements: (1) The structural unit derived from a conjugated diene compound of the polymer block (B) has a structural unit derived from butadiene and a structural unit derived from a second conjugated diene compound which is a conjugated diene compound except butadiene. (2) The glass transition temperature is −57° C. or lower.
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
Provided are: a culture fluid for hydroponics accompanied by a large amount of water absorption by plants; an additive for a culture fluid, the additive enabling such a culture fluid to be readily prepared; and a cultivation method in which the same is used. A culture fluid for hydroponics contains water-soluble polymeric molecules, and has a surface tension at 20° C. of 45 mN/m or more and 70 mN/m or less, and a kinematic viscosity at 30° C. of 0.8 mm2/s or more and 2.00 mm2/s or less.
2222]/[COOH]<5. [4] The content ratio of a functional group composed of unsaturated epoxide in the component (B)≤200 mol/g. [5] The ratio of copper atoms derived from a copper-based stabilizer in the composition≤200 ppm by mass.
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
C08K 5/09 - Carboxylic acids; Metal salts thereof; Anhydrides thereof
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
Provided is an emulsion containing a block copolymer (I) and a dispersant (II), wherein the block copolymer (I) contains block structural units (A) containing polylactic acid units (a) as a main component and block structural units (B) containing polyester units (b) as a main component.
C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
Dental materials and substances, including preparations for dental purposes as well as fillings, bonding agents, composite resins, resin cements and adhesives; materials for stopping teeth; dental wax; Dental composite materials; Dental ceramics; Dental materials for making models of teeth; Dental materials for making dental prosthetic restoration. Dental instruments; Dental tools; Medical hand tools; Dental color guides; Interdental brushes for use in dental treatment; Brushes for applying dental materials for use in dental treatments; Tools for manufacturing dental prosthetic restoration.
32.
POLYESTER POLYOL, URETHANE PREPOLYMER AND POLYURETHANE
A polyester polyol obtained by reacting a dicarboxylic acid component (A) with a diol component (B). The dicarboxylic acid component (A) contains a dicarboxylic acid (a1) represented by the following general formula (I) and a dicarboxylic acid (a2) represented by the following general formula (II). A content of the dicarboxylic acid (a2) is 0.02 to 3.00% by mass in 100% by mass of the total amount of the dicarboxylic acid component (A):
A polyester polyol obtained by reacting a dicarboxylic acid component (A) with a diol component (B). The dicarboxylic acid component (A) contains a dicarboxylic acid (a1) represented by the following general formula (I) and a dicarboxylic acid (a2) represented by the following general formula (II). A content of the dicarboxylic acid (a2) is 0.02 to 3.00% by mass in 100% by mass of the total amount of the dicarboxylic acid component (A):
A polyester polyol obtained by reacting a dicarboxylic acid component (A) with a diol component (B). The dicarboxylic acid component (A) contains a dicarboxylic acid (a1) represented by the following general formula (I) and a dicarboxylic acid (a2) represented by the following general formula (II). A content of the dicarboxylic acid (a2) is 0.02 to 3.00% by mass in 100% by mass of the total amount of the dicarboxylic acid component (A):
R1, R2, R4, and R5 each independently represent a divalent hydrocarbon group having 1 to 3 carbon atoms, and R3 and R6 each independently represent a monovalent hydrocarbon group having 1 to 3 carbon atoms.
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
33.
METHOD FOR PRODUCING HYDRATED ETHYLENE-VINYL ALCOHOL COPOLYMER PELLETS
The present disclosure provides a method of producing water-containing EVOH pellets introducing a water-containing EVOH into an extruder for melt kneading; and cutting the water-containing EVOH extruded from the extruder.
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
Dental materials and substances, including preparations for dental purposes as well as fillings, bonding agents, composite resins, resin cements and adhesives; materials for stopping teeth; dental wax; Dental composite materials; Dental ceramics; Dental materials for making models of teeth; Dental materials for making dental prosthetic restoration Dental instruments; Dental tools; Medical hand tools; Dental color guides; Interdental brushes for use in dental treatment; Brush for applying dental purpose; Tools for manufacturing dental prosthetic restoration
The present invention relates to a porous carbon which has the inclination of an approximate straight line of 4 or greater, said approximate straight line being obtained by, in the measurement of a nitrogen adsorption isotherm, converting the pressure change of nitrogen until adsorption equilibrium is reached at each preset relative pressure into a mass transfer coefficient using the LDF approximation and linearly approximating the relationship between the relative pressure and the mass transfer coefficient at the relative pressure of 1.0×10-4to 1.0×10-3inclusive, and which has a pore volume of 0.8 cm3/g or greater at the pore diameter of 2 to 200 nm inclusive that is calculated from the nitrogen adsorption isotherm by the BJH method.
C01B 32/05 - Preparation or purification of carbon not covered by groups , , ,
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
36.
RESIN COMPOSITION, MOLDED BODY, MULTILAYER STRUCTURE, AND METHOD FOR PRODUCING MULTILAYER STRUCTURE
The present invention provides a resin composition which contains: a modified hydrogenated product (A) of a block copolymer that comprises a polymer block (A-1) having a structural unit that is derived from an aromatic vinyl compound and a polymer block (A-2) having a structural unit that is derived from a conjugated diene compound; and a resin (B). With respect to this resin composition, the modified hydrogenated product (A) has at least one functional group that is selected from the group consisting of a carboxy group, an amino group, a hydroxy group and a group derived from an acid anhydride, while having a vinyl bond content in the polymer block (A-2) of 50% by mole to 99% by mole; the resin (B) is composed of at least one substance that is selected from the group consisting of an acrylic block copolymer and a thermoplastic polyurethane resin; the mass ratio (A)/(B) of the modified hydrogenated product (A) to the resin (B) is 90/10 to 10/90; and the melt flow rate as determined at a temperature of 230°C under a load of 21 N in accordance with JIS K7210 (2014) is 5g/10 minutes or more.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
C08F 8/46 - Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation
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 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 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
05 - Pharmaceutical, veterinary and sanitary products
Goods & Services
Dental materials and substances, including preparations for dental purposes as well as fillings, bonding agents, composite resins, resin cements and adhesives; materials for stopping teeth, dental wax.
This steering wheel comprises a rim core portion, a resin portion molded on the rim core portion, and a skin that coats at least a part of the surface of the resin portion, wherein the skin is an artificial material and satisfies the relationships of expression (1) and expression (2): Expression (1): 0.65≤G/L≤0.95, and Expression (2): 1.05≤G/R≤1.35, where L, R, and G are hardnesses according to a type C durometer.
An object of the present invention is to provide an activated carbon that can efficiently remove fluorine-containing organic compounds and a treatment method of water containing fluorine-containing organic compounds. An activated carbon according to an aspect of the present invention has an average particle diameter of 0.1 to 10 mm, a BET specific surface area of 500 m2/g or more and 2000 m2/g or less, and a porosity inside a particle of 10% or more and 40% or less as obtained by X-ray CT. A water treatment method according to another aspect of the present invention includes a step of bringing the activated carbon into contact with water to be treated containing a fluorine-containing organic compound to obtain treated water having a fluorine-containing organic compound content of 0.1 ppb or less.
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
C01B 32/318 - Preparation characterised by the starting materials
C01B 32/336 - Preparation characterised by gaseous activating agents
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
43.
BASE FILM FOR VAPOR DEPOSITION, AND VAPOR DEPOSITION FILM
Provided are: a base film which has high heat resistance, flexibility, and dimensional stability and is used for providing a vapor deposition layer on at least one surface thereof; and a vapor deposition film comprising said base film and a vapor deposition layer. A base film for vapor deposition is composed of a methacrylic resin composition (I) which contains a methacrylic copolymer (a) having 5-73 mass% of methyl methacrylate units, 25-70 mass% of structural units (r) represented by formula (1), 1-48 mass% of α-methylstyrene units, 1-48 mass% of at least one selected from the group consisting of styrene units and maleic anhydride units, and 0-20 mass% of unsubstituted or N-substituted maleimide units, and which has a glass transition temperature of 135 °C or higher, wherein the film thickness is 10-80 μm, and a biaxial stretch ratio is a multiple of 1.5-8. (In formula (I), R1and R2 are the same as described in the specification.)
The present invention addresses the problem of providing: a multilayer base film which has high heat resistance, high flexibility and high dimensional stability, and is used for the formation of a vapor deposited layer on at least one surface thereof; and a multilayer vapor deposited film which comprises the multilayer base film and a vapor deposited layer. The present invention provides a multilayer base film for vapor deposition, the multilayer base film comprising: a layer that is formed of a methacrylic resin composition (I) which has a glass transition temperature of 135°C or more, while containing a methacrylic copolymer (a) that comprises 5-73% by mass of a methyl methacrylate unit, 25-70% by mass of a structural unit (r) represented by formula (1), 1-48% by mass of an α-methylstyrene unit, 1-48% by mass of at least one unit that is selected from the group consisting of a styrene unit and a maleic acid anhydride unit, and 0-20% by mass of an unsubstituted or N-substituted maleimide unit; and a layer that is formed of a resin composition (T) which contains a thermoplastic resin (b). (In formula (I), R1and R2 are as defined in the description.)
C08F 8/32 - Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
45.
POWER STORAGE DEVICE-USE BINDER, BINDER SOLUTION FOR POWER STORAGE DEVICE, SLURRY FOR ELECTRODE OF POWER STORAGE DEVICE, ELECTRODE OF POWER STORAGE DEVICE, AND POWER STORAGE DEVICE
Provided are: a power storage device-use binder, which exhibits excellent peel strength, resistance characteristics and foaming suppression when used in an electrode; a binder solution for a power storage device; a slurry for an electrode of power storage device; an electrode of a power storage device; and a power storage device. The power storage device-use binder contains a vinyl alcohol-based polymer and a compound represented by formula (1). In formula (1), R1and R2 are each independently an alkyl group having 1-4 carbon atoms. m and n are each independently an integer between 0 and 25.
Provided are a method for producing a melted/mixed composition and a melted/mixed composition. The method comprises a step for melting/mixing a 3-methyl-1-butene polymer and an alkyl radical scavenger. This melting/mixing is performed at 300°C to 380°C. In this method, either an inert gas is introduced into a melting/mixing device and the melting/mixing is performed, or the inside of a melting/mixing device is vacuum degassed and the melting/mixing is performed.
A resin pellet group according to the present invention includes a pellet (A1) containing an ethylene-vinyl alcohol copolymer (a1), and a pellet (A2) containing an ethylene-vinyl alcohol copolymer (a2). Here, the pellet (A1) has a melt tension of 10 mN or more and 30 mN or less at a take-up speed of 50 m/min and 210° C., and the pellet (A2) has a melt tension of 2 mN or more and less than 10 mN at a take-up speed of 50 m/min and 210° C. Furthermore, an ethylene unit content (ECa1) of the ethylene-vinyl alcohol copolymer (a1) is different from an ethylene unit content (ECa2) of the ethylene-vinyl alcohol copolymer (a2), and a mass ratio (A1/A2) of the pellet (A1) to the pellet (A2) is set to 20/80 or more and 99/1 or less.
The present invention relates to a composition which comprises a poly(vinyl alcohol)-based resin (A) and a polyol (B1). The polyol (B1) has a glass transition temperature of 25°C or higher. The polyol (B1) is contained in an amount of 26-130 parts by mass per 100 parts by mass of the poly(vinyl alcohol)-based resin (A) and has a melting point of 210°C or lower and a crystallization temperature of 190°C or lower.
C08L 3/02 - Starch; Degradation products thereof, e.g. dextrin
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
C08L 101/16 - Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
49.
NAPPED ARTIFICIAL LEATHER AND MANUFACTURING METHOD THEREFOR
This napped artificial leather comprises a nonwoven fabric containing ultrafine fibers and a polymer elastic body, and has a napped surface, wherein the content of the polymer elastic body is 15-35 mass%, the area ratio of the polymer elastic body present on the napped surface is at most 17%, and a napped fiber length is at most 250 μm.
D06N 3/14 - 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 with polyurethanes
50.
MANUFACTURING METHOD FOR HYDRATED ETHYLENE-VINYL ALCOHOL COPOLYMER PELLET
Provided is a manufacturing method for hydrated EVOH pellets, the method including a first step for introducing a hydrated EVOH, in which the moisture content W1 is 10-90 mass%, into an extruder and performing melt kneading thereof, and a second step for obtaining hydrated EVOH pellets by cutting the hydrated EVOH ejected from the extruder, wherein: the extruder has a back slit; water is discharged from the back slit while the back slit is decompressed by means of a decompression device; the temperature of the hydrated EVOH ejected from the extruder is 80-120°C; a moisture content W2 is 5-50 mass%; and the ratio (W2/W1) of the moisture content W2 with respect to the moisture content W1 is 0.2 or greater and less than 1. According to such a manufacturing method, because it is possible to efficiently reduce the moisture in a hydrated EVOH while suppressing elution of the EVOH, it is possible to manufacture hydrated EVOH pellets with good productivity.
B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
B29K 29/00 - Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals as moulding material
51.
VINYL ALCOHOL POLYMER, METHOD FOR PRODUCING VINYL ALCOHOL POLYMER, DISPERSANT FOR SUSPENSION POLYMERIZATION, DISPERSION AID FOR SUSPENSION POLYMERIZATION, AND METHOD FOR PRODUCING VINYL POLYMER
A vinyl alcohol polymer including, in the same molecule or in different molecules, a carbonyl group, a formyl group, and an alkenyl group. A method for producing a vinyl alcohol polymer, including polymerizing a vinyl ester in a presence of an unsaturated aliphatic aldehyde to obtain a vinyl ester polymer, and saponifying the vinyl ester polymer.
Provided is a polarizing plate that has sufficient polarization performance and that hardly develops cracks even when the deformation amount during thermoforming is large. This polarizing plate includes a polarizing film containing polyvinyl alcohol as a main component. The thickness of the polarizing film is greater than 20 μm, and the highly oriented amorphous content of the polarizing film is 10.0-18.0%.
A method of producing a copolymer includes polymerizing monomers including 1,3-diene structure having 4 to 20 carbons in a solvent in a presence of an anionic polymerization initiator.
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
C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
54.
LEATHER-LIKE SHEET AND BACKPACK USING THE SAME AS A BACK SURFACE MATERIAL
Disclosed is a leather-dike sheet including a fiber base material and a colored resin layer laminated on the fiber base material, wherein the colored resin layer includes an intermediate layer and a skin layer laminated on the intermediate layer, wherein the skin layer is a layer containing polyurethane and a black pigment of 3 g/m2 or more, and the intermediate layer is a layer containing polyurethane and a black pigment, and in the L*a*b* color system, a leather-like sheet having a lightness value of L*≤30 is used.
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
A45F 3/04 - Sacks or packs carried on the body by means of two straps passing over the two shoulders
D06N 3/14 - 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 with polyurethanes
55.
COMPOSITION CONTAINING VINYL ALCOHOL POLYMER, METHOD FOR PRODUCING SAME, VINYL ALCOHOL POLYMER AND RESIN MATERIAL
The present invention relates to a composition (excluding a detergent composition for home use) which contains (A) a vinyl alcohol polymer that contains a monomer unit having an alkyl group, (B) at least one surfactant and (C) water, wherein the vinyl alcohol polymer (A) satisfies formula (1) 0.010 ≤ X/(S × N) ≤ 0.40 (wherein S represents the content (parts by mass) of the monomer unit having an alkyl group relative to 100 parts by mass of all monomer units in the vinyl alcohol polymer (A); X represents the saponification degree (% by mole) of the vinyl alcohol polymer (A); and N represents the viscosity-average polymerization degree of the vinyl alcohol polymer (A)).
The present invention relates to a method for producing a copolymer, the method comprising a process in which a monomer that contains a 1,3-diene structure and has 4 to 20 carbon atoms is polymerized in a solvent in the presence of an anionic polymerization initiator.
C08F 36/04 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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
57.
HYDROGENATED PRODUCT OF BLOCK COPOLYMER, RESIN COMPOSITION, GEL COMPOSITION, CABLE FILLER, CABLE, COSMETIC, LUBRICATING OIL, GREASE, AND METHOD FOR PRODUCING HYDROGENATED PRODUCT OF BLOCK COPOLYMER
The present invention provides: a hydrogenated product of a block copolymer which has a low glass transition temperature and exhibits suitable flexibility, rubber elasticity, and elongation properties even in a low temperature range; a resin composition; and a method for producing the hydrogenated product of a block copolymer. The hydrogenated product of a block copolymer contains a polymer block (A) including a structural unit derived from an aromatic vinyl compound and a polymer block (B) including a structural unit derived from a conjugated diene compound. The hydrogenated product of a block copolymer satisfies conditions (1) to (3) indicated below. (1) The structural unit derived from a conjugated diene compound in the polymer block (B) has a structural unit derived from butadiene and a structural unit derived from isoprene, and does not have any structural units derived from farnesene. (2) The glass transition temperature of the hydrogenated product of a block copolymer is -50ºC or less. (3) When the weight average molecular weight of the hydrogenated product of a block copolymer is denoted by x and the crystallization temperature is denoted by y (ºC), the hydrogenated product of a block copolymer satisfies 5.8x/100,000 - y > 17.
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 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
This multilayer film is characterized by having a layer (A) that includes EVOH (a) having an ethylene unit content of 20-50 mol% and a saponification degree of at least 90 mol%, a layer (B) that includes an adhesive resin (b), a layer (C) that includes a polyethylene-based resin (c) having a density of 0.941-0.980 g/cm3, and a layer (D) that includes an ethylene-α-olefin copolymer resin (d) having a density of 0.880-0.920 g/cm3, wherein: there is a layer (A) between at least one set of the layer (C) and the layer (D); there is no layer of which the main component is a resin having a melting point of at least 200 °C or a metal layer having a thickness of at least 1 μm; and, when a temperature from -50 °C to 220 °C is increased (first temperature increase), decreased, and then increased (second temperature increase) at a rate of 10 °C/minute by DSC, the ratio (H1/H2) of the total heat of fusion (H1) at 0-150 °C during the first temperature increase to the total heat of fusion (H2) during the second temperature increase is 0.75-1.01. Thus provided are: a multilayer film having excellent barrier properties, mechanical properties, and recyclability; a multilayer structure; and a packaging material using the same.
Provided is a double-rope structure constituted of an inner core and an outer envelope. In the double-rope structure, the inner core comprises a high-strength/high-elasticity fiber of 20 cN/dtex or greater in yarn strength and 400 cN/dtex or greater in yarn elasticity, and inner outer layer properness represented by the following formula (1) is from 0.70 to 1.20. (1): (a2/b2)/Vf × 100 In the formula (1), a represents a diameter of an outer circumference of the inner core, b represents a diameter of an outer circumference of the outer envelope, and Vf represents a volume ratio (%) of the inner core to the total volume of the inner core and the outer envelope.
A resin composition containing a hydrogenated block copolymer (I) and a polypropylene-based resin (II), and a molded body and a tube obtained by using the resin composition. In the resin composition, the hydrogenated block copolymer (I) includes a polymer block (A) and a polymer block (B), the polymer block (B) includes a structural unit derived from a conjugated diene compound, an average of vinyl bond amounts in the whole polymer block (B) included in the resin composition is 50% by mole or more, and a D hardness of a sheet prepared through hot-press molding of the resin composition is less than 50.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
An object of this invention relates to provide a macroencapsulation immunoisolation device that can be easily removed, does not break, and is suitable for improvement in the diffusion efficiency of a physiologically active substance required for transplantation while maintaining an immunoisolation effect. The present invention provide an immunoisolation device comprising an embedding chamber for a material to be transplanted, the embedding chamber being covered with an immunoisolation membrane.
A polymer having a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.
A polymer having a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.
A polymer having a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.
In the general formula (I), R1 represents any one selected from the group consisting of an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms, and an aralkyl group having 7 to 18 carbon atoms; R2 represents a hydrogen atom or a methyl group; R3 and R4 each independently represent any one selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an alkyloxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkenyloxy group having 2 to 6 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, an aralkyloxy group having 7 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, and an aryloxy group having 6 to 12 carbon atoms, and R3 and R4 may be bonded to each other; and n is an integer of 0 to 5.
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 polymer including a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.
A polymer including a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.
A polymer including a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.
In the general formula (I), R1 represents a hydrogen atom or a methyl group; R2 and R3 each independently represent any one selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an alkyloxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkenyloxy group having 2 to 6 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, an aralkyloxy group having 7 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, and an aryloxy group having 6 to 12 carbon atoms, and R 2 and R 3 may be bonded to each other; and n is an integer of 0 to 7.
Provided is a metal-clad laminated plate roll with which it is possible to prevent the occurrence of gauge bands and wrinkles. This metal-clad laminated plate roll is obtained by winding a sheet member and a metal-clad laminated plate that has a metal layer on at least one surface of a resin film into the form of a roll, the bending resistance of the sheet member, as measured in conformance with the method in JIS L 1096 2010 8.22.1 A Bending resistance (Gurley method), being 0.010 mN or greater. For example, at least the surface of the sheet member in the metal-clad laminated plate roll can be configured from a non-metallic material.
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
A block copolymer that contains a block structural unit (A) having a polylactic acid unit (a) as a main component, and a block structural unit (B) having a polyester unit (b) as a main component, the polyester unit (b) containing a unit derived from an aliphatic diol (b1) and an aliphatic dicarboxylic acid (b2), the aliphatic diol (b1) being a C5-9 aliphatic diol that has an alkyl group as a side chain, the carbon number of the aliphatic dicarboxylic acid (b2) being 5-12, and the number-average molecular weight being greater than 10,000.
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
66.
Multilayer Structure and Method for Producing Same, and Protective Sheet and Electronic Device which Utilize Same
The present disclosure relates to a multilayer structure including: a laminate including a base (X) and at least two layers (Y), the layers (Y) being provided on both faces of the base (X); and layers (Z) containing a thermoplastic resin.
A dispersant for suspension polymerization may, even when a usage amount thereof is low, enable obtaining polymer particles having a small average particle diameter with few coarse particles, and having favorable plasticizer absorptivity. Such a dispersant may include a vinyl alcohol polymer having a structure of following formula (1)
A dispersant for suspension polymerization may, even when a usage amount thereof is low, enable obtaining polymer particles having a small average particle diameter with few coarse particles, and having favorable plasticizer absorptivity. Such a dispersant may include a vinyl alcohol polymer having a structure of following formula (1)
and satisfy inequality (2)
A dispersant for suspension polymerization may, even when a usage amount thereof is low, enable obtaining polymer particles having a small average particle diameter with few coarse particles, and having favorable plasticizer absorptivity. Such a dispersant may include a vinyl alcohol polymer having a structure of following formula (1)
and satisfy inequality (2)
0.4≤[X]×102/[Ra,1]2≤3.0 (2).
A dispersant for suspension polymerization may, even when a usage amount thereof is low, enable obtaining polymer particles having a small average particle diameter with few coarse particles, and having favorable plasticizer absorptivity. Such a dispersant may include a vinyl alcohol polymer having a structure of following formula (1)
and satisfy inequality (2)
0.4≤[X]×102/[Ra,1]2≤3.0 (2).
In formula (1), R is a hydrocarbon group having 4 or more carbon atoms. In inequality (2), [X] is a mole percentage content of the structure of formula (1) with respect to total structural units of the vinyl alcohol polymer; and [Ra,1] is an HSP distance ((J/cm3)1/2) between the structure of formula (1) and vinyl chloride.
This block copolymer has a block structural unit (A) mainly composed of a polylactic acid unit (a) and a block structural unit (B) mainly composed of a polyester unit (b), wherein: the polyester unit (b) contains units derived from aliphatic diol (b1) and aliphatic dicarboxylic acid (b2); the aliphatic diol (b1) is an aliphatic diol having a carbon number of at least 4 and having an alkyl group as a branched chain; and the number-average molecular weight of the block structural unit (B) is 30,000 to 200,000 (exclusive of 200,000).
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
This polyester comprises a dicarboxylic acid unit and a diol unit, wherein: the dicarboxylic acid unit includes a structural unit derived from terephthalic acid; the diol unit includes a first diol unit, a second diol unit, and a third diol unit; the first diol unit is a structural unit derived from ethylene glycol; the second diol unit is a structural unit derived from 1,2-propanediol; and the third diol unit is a structural unit derived from a bisphenol A ethylene oxide adduct and/or cyclohexanedimethanol. Said polyester is suitable as a raw material for molding having less influence on the environment, in particular, a raw material for extrusion blow molding, and a molded article having favorable impact resistance is obtained by using said polyester.
Provided are a core-sheath composite fiber, a production method therefor, and a fiber structure. The core-sheath composite fiber includes: a core component (12) including a melt-anisotropic aromatic polyester (a polymer A); and a sheath component having an islands-in-the-sea structure and including a flexible thermoplastic polymer (a polymer B) and a melt-anisotropic aromatic polyester (a polymer C). The polymer B and the polymer C constitute a sea component and an island component of the islands-in-the-sea structure, respectively. The island component includes a plurality of islands (18) dispersed in a sea (14) that is formed of the sea component.
D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
D01D 5/084 - Heating filaments, threads or the like, leaving the spinnerettes
Lenses are arrayed in a lattice on an array surface of a microlens array. A lens has a convex surface that is cylindrical throughout sections that are parallel to a lattice direction of the lens and are orthogonal to the array surface. In each of meridians of the sections parallel to the lattice direction of the lens, a sag amount is corrected so as to increase an inclination of a skirt. In another aspect, a lens has a concave surface that is cylindrical throughout sections that are parallel to a lattice direction of the lens and are orthogonal to an array surface. In each of meridians of the sections parallel to the lattice direction of the lens, a sag amount is corrected so as to increase an inclination of a rim.
Provided is a polyamide comprising a diamine unit and a dicarboxylic acid unit, wherein the diamine unit comprises 0.1 mol % or more and less than 36 mol % of a diamine unit (X), and the diamine unit (X) is a diamine unit derived from an aliphatic diamine having 6 to 10 carbon atoms, the aliphatic diamine having an alkyl group having 2 or 3 carbon atoms bonded to a carbon atom at the 2-position when a carbon atom to which any one of amino groups is bonded is defined as the 1-position.
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
A water treatment device includes: a measure that repeats measurement of pressures on a primary side and a secondary side of a hollow fiber membrane module every minute time of three seconds or less in one or more steps of water filling, backwashing, pressure relieving, bubbling, and draining; and an estimater that estimates: abnormality of an internal state of the hollow fiber membrane module or of a peripheral device; a time required from a start to an end of the one or more steps; an effect of physical washing or chemical washing; or a future increase in an membrane differential pressure, based on a temporal transition of a measurement result of at least one of the pressures, or based on a difference in the temporal transition between a plurality of times of the step.
A plastic scintillating fiber includes: an outermost peripheral layer containing a compound of a heavy metal element and containing a resin having scintillating properties; a core disposed inside the outermost peripheral layer and containing at least one type of fluorescent substance that absorbs the scintillation light generated from the outermost peripheral layer and wavelength-converts the absorbed light into light having a wavelength longer than that of the absorbed light; and a cladding layer covering an outer peripheral surface of the core and having a refractive index lower than that of the core. A wavelength shifting fiber including the core and the cladding layer, and the outermost peripheral layer covering an outer peripheral surface of the wavelength shifting fiber are integrally formed.
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
C09K 11/66 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing germanium, tin or lead
C09K 11/74 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
G02B 6/036 - Optical fibres with cladding core or cladding comprising multiple layers
75.
CARBONACEOUS MATERIAL AND METHOD FOR PRODUCING SAME, AND FLUORINE-CONTAINING ORGANIC COMPOUND REMOVING MATERIAL, WATER PURIFICATION FILTER, AND WATER PURIFIER
One aspect of the present invention relates to a carbonaceous material that has a benzene adsorption amount of 30 to 60%, a vitamin B12 adsorption amount of more than 50.0 mg/g, and a micropore volume of mesopores of 0.13 to 0.30 cm3/g as calculated from a nitrogen adsorption isotherm by a BJH method.
B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
Provided are a curable composition comparable to a curing rate by conventional sulfur while maintaining performance required as a cured product even when a crosslinking agent is replaced with a peroxide, and a sealant containing a cured product of the curable composition. A curable composition containing a conjugated diene-based polymer (A) and a crosslinking agent (B), in which the conjugated diene-based polymer (A) has 100 moles or more of double bonds in a side chain per mole of the polymer.
The present invention provides a coating agent which contains a modified ethylene-vinyl alcohol copolymer (A), wherein: the modified ethylene-vinyl alcohol copolymer (A) comprises structural units (Ia), (Ib) and (Ic) represented by the specific formulae; the respective content ratios a, b and c (% by mole) of the structural units (Ia), (Ib) and (Ic) satisfy formulae (1) to (3); and the degree of saponification (DS), as expressed by formula (4), of the modified ethylene-vinyl alcohol copolymer (A) is 90% by mole or more. A solution of this coating agent exhibits excellent storage stability; and a coating film obtained by applying this coating agent has good appearance and good gas barrier properties. (1): 21 ≤ a ≤ 55 (2): 0.1 ≤ c ≤ 10 (3): (100 - (a + c)) × 0.9 ≤ b ≤ (100 - (a + c)) (4): DS = ((total number of moles of hydrogen atoms from among X, Y and Z)/(total number of moles of X, Y and Z)) × 100
C09D 129/04 - Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
B32B 27/10 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of paper or cardboard
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
The present disclosure provides a multilayer film having a polyolefin layer (A), an adhesive resin layer (B), and an ethylene-vinyl alcohol copolymer resin composition layer (C).
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
A plastic scintillating fiber includes: a core containing a transparent resin having scintillating properties and at least one type of fluorescent substance that absorbs the scintillation light and converts the absorbed light into light having a wavelength longer than that of the absorbed light; a cladding layer covering an outer peripheral surface of the core and having a refractive index lower than that of the core; and an outermost peripheral layer covering an outer peripheral surface of the cladding layer and containing a compound of a heavy metal element. The core, the cladding layer, and the outermost peripheral layer are integrally formed.
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-vapor 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.
Provided are a resin composition from which an adhesive having excellent heat resistance and moisture resistance can be obtained, and a cured product using the same. Also provided are a laminate using the cured product, and a method for producing a laminate. The resin composition contains 1,1-dicyanoethylene (A) and a polymerizable monomer (B) represented by general formula (I), and is characterized in that the content of 1,1-dicyanoethylene (A) is 2.0-99.9 mass % of the total of 1,1-dicyanoethylene (A) and the polymerizable monomer (B). CHR1= CR2R3 (I)
A fiber including olefin-based resin, wherein temperatures of the olefin-based resin losing five percent by weight and the fiber losing five percent by weight have a difference of 20 degrees Celsius or below according to thermogravimetric measurements.
D01F 6/30 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
D01F 8/06 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
D01F 6/62 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
The problem to be solved by the present invention is to provide a resin composition having various excellent physical properties such as heat resistance, surface hardness, impact resistance, and surface appearance. The present invention provides a resin composition containing: 5-49 parts by mass of a methacrylic copolymer (A) comprising 5-97 mass% of methyl methacrylate units, 1-70 mass% of structural units (R) represented by formula (I), 1-48 mass% of α-methylstyrene units, 1-48 mass% of at least one selected from the group consisting of styrene units and maleic anhydride units, and 0-20 mass% of unsubstituted or N-substituted maleimide units; 51-95 parts by mass of one or more styrene resins (B) selected from the group consisting of ABS resins, AES resins, ASA resins, and AS resins; and 0-30 parts by mass of a methacrylic resin (C). (In formula (I), R1and R2 are as defined in the description.)
C08L 51/04 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
A plastic scintillating fiber includes an organic compound containing an element with a neutron cross section larger than that of hydrogen, and includes: an outermost peripheral layer (1) containing a plastic material that emits scintillation light when it is irradiated with neutron radiation; a core (2) having a high refractive index, disposed inside the outermost peripheral layer (1), and containing at least one type of fluorescent substance that absorbs the scintillation light and wavelength-converts the absorbed light into light having a wavelength longer than that of the absorbed light; and a cladding layer (3) covering an outer peripheral surface of the core (2) and having a refractive index lower than that of the core (2). A wavelength shifting fiber including the core (2) and the cladding layer (3), and the outermost peripheral layer (1) covering an outer peripheral surface of the wavelength shifting fiber are integrally formed.
Provided is a polyester binder fiber which contributes to produce a liber structure having a high strength. The polyester binder fiber may have a ΔH of 30 J/g or less which is calculated as a difference between a melting endothermic amount ΔHm and a crystallization exothermic amount ΔHc in a temperature elevation phase as recorded by differential scanning calorimetry (DSC) curve. The polyester binder fiber may have a ratio (a1:(a2+a3)) between a crystalline component fraction (a1) and a total amount of a constrained amorphous component fraction (a2) and an amorphous component fraction (a3) in the range of from 98.0:2.0 to 50.0:50.0 in which the crystalline component fraction (a1), the constrained amorphous component fraction (a2), and the amorphous component fraction (a3) are calculated from a spin-spin relaxation time T2 at 140° C. obtained by pulsed nuclear magnetic resonance (NMR) spectroscopy.
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
Goods & Services
Microcarriers in the nature of polyvinyl alcohol, other than for medical use; microcarriers in the nature of polyvinyl alcohol for culturing biological cells for scientific, industrial or research use; unprocessed polyvinyl alcohol hydrogel used as microcarrier for cell culture; cell culture media for scientific and research use; cell culture reagents for scientific and research use; biological tissue cultures other than for medical or veterinary purposes Microcarriers in the nature of polyvinyl alcohol for medical use; culture fluids for cultivating human, animal, plant and microorganism cells for medical or veterinary use; cell culture media for medical use; biological tissue cultures for medical purposes
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
Goods & Services
Cell culture media for scientific and research use; Microcarriers, other than for medical use; Cell culture reagents for scientific and research use; Chemical compositions and materials for use in science; Media for cell culture for use in non-medical research laboratories; Biological tissue cultures other than for medical or veterinary purposes; Coated polymer beads for use in bioprocess applications, not for medical use. Cell culture media for medical use; Microcarriers for medical use; Media for cell culture for use in medical research laboratories; Biological tissue cultures for medical purposes; Coated polymer beads for use in bioprocess applications, for medical use.
89.
MULTILAYER STRUCTURE AND PACKAGING CONTAINER COMPRISING SAME
The present disclosure provides a multilayer structure in which a layer (A) made of a polyolefin resin composition (a), an oxygen barrier layer (B) and a sealant layer (C) are laminated in this sequence.
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
The present invention addresses the problem of providing an immunoisolation device: that realizes both a reduction in diffusion distance, which is effective for improving the permeation of physiologically active substance, nutrients, etc., and improved durability that can withstand long-term implantation; and that includes a cell-capturing layer that can prevent the departure of cells or a cluster of cells. Provided is a immunoisolation device comprising a cell-capturing layer (A) and an immunoisolation layer (B) that covers the cell-capturing layer (A). The cell-capturing layer (A) includes a fibrous structure (a1).
The problem to be solved by the present invention is to provide: an immunoisolation device which can achieve both of the reduction in diffusion distance effective for the improvement in permeability of a substance such as a physiologically active substance and a nutrient and the improvement in durability for withstanding transplantation for a long period of time; and an immunological control technology using a cell sheet. The present invention provides an immunoisolation device provided with a sheet-like cell mass containing cells and an extracellular matrix and an immunoisolation layer that covers the cell mass.
The present invention provides a vinyl alcohol polymer having properties comparable to the properties of vinyl alcohol polymers of solely petroleum origin, and, in using the vinyl alcohol polymer (PVA), saves petroleum resources, and reduces carbon dioxide emissions in production processes. The present invention relates to a vinyl alcohol polymer (X) obtained through saponification after polymerization of a plant-derived vinyl ester monomer (A) and a petroleum-derived vinyl ester monomer (B), and having a mole ratio (A)/(B) of 5/95 to 100/0.
A grain-finished leather-like sheet includes: a fiber base material; a polyurethane skin layer bonded to one surface of the fiber base material; and a polyurethane adhesion layer that bonds the fiber base material and the polyurethane skin layer to each other. The polyurethane adhesion layer includes an aqueous polyurethane as a main component and contains 0.01 to 0.45 mass % in sulfur atoms content, of a sulfate or an alkyl sulfate. The polyurethane adhesion layer exhibits coloration equivalent to pH 4.8 or less that is caused by a BCG (bromocresol green) solution.
D06N 3/14 - 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 with polyurethanes
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
A napped artificial leather includes: a fiber-entangled body obtained by entangling ultrafine fibers: and an elastic polymer impregnated into the fiber-entangled body. The napped artificial leather has, on at least one side thereof, a napped surface formed by napping the ultrafine fibers. The ultrafine fibers contain 0.2 to 8 mass% of carbon black and 0.1 to 5 mass% of a chromatic pigment, and a total ratio of the carbon black and the chromatic pigment is 0.3 to 10 mass%. A content ratio of the elastic polymer is 0.1 to 15 mass% in the napped artificial leather. The elastic polymer is uncolored and the ultrafine fibers are undyed.
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
A resin composition includes 100 parts by mass of a thermoplastic resin (A); and 1 to 100 parts by mass of a multibranched block copolymer or a hydrogenated product thereof (B) wherein the multibranched block copolymer contains a polymer block (b1) including aromatic vinyl compound-derived structural units, and a polymer block (b2) including conjugated diene compound-derived structural units, wherein the thermoplastic resin (A) includes at least one selected from the group consisting of polybutylene terephthalate resins (A-1), polystyrene resins (A-2), and polyphenylene sulfide resins (A-3); and the multibranched block copolymer or the hydrogenated product thereof (B) includes at least one selected from the group consisting of star block copolymers or hydrogenated products thereof (B-1) and graft block copolymers or hydrogenated products thereof (B-2).
To provide reinforcing fibers that are excellent in adhesiveness to rubber even though resorcinol, formaldehyde, and an epoxy compound are not used, and a molded article using the same. Reinforcing fibers including fibers, a surface-modifying layer covering at least a part of a surface of the fibers, and an adhesive layer containing conjugated Diene-Based rubber covering at least a part of the surface-modifying layer, the surface-modifying layer containing a polyamine compound having one or more kind of a functional group selected from primary to tertiary amino groups and an imino group, having a weight average molecular weight (Mw) of 300 or more.
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
A method for producing a polymer composition including modified polymers having a boron-containing functional group includes anionically polymerizing at least one monomer selected from the group consisting of conjugated dienes and aromatic vinyl compounds in the presence of an active metal or an active metal compound capable of catalyzing anionic polymerization to produce a terminal-active polymer (Z), and reacting the terminal-active polymer (Z) obtained with a boric acid compound having at least two or more partial structures represented by the formula B-O-R (B is boron, O is oxygen, and R is an organic group) and having a Taft’s steric parameter Es of -0.30 or less with respect to at least one of Rs bonded to the oxygen atom in the partial structures.
C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
C08F 8/42 - Introducing metal atoms or metal-containing groups
98.
LIQUID CRYSTAL POLYESTER FIBERS AND METHOD FOR PRODUCING SAME
Provided is a liquid crystal polyester fiber achievable of good mechanical properties by a heat treatment at a lower temperature for a shorter time and excellent in heat aging resistance. The liquid crystal polyester fiber includes at least one metallic element selected from the group consisting of metallic elements belonging to from Group 8 to Group 11 in Periodic Table. For example, the liquid crystal polyester fiber may contain the selected one or more metallic elements in a total content of from 1 to 1000 ppm by weight. The liquid crystal polyester fiber may contain the selected one or more metallic elements as one or more metallic compounds each having a melting point of (Mp0 + 30)°C or lower, wherein the Mp0 denotes a melting point of a liquid crystal polyester constituting the fiber.
Provided is a double braid rope structure which is provided with an inner core and an outer cover. In the double braid rope structure (10), the inner core (3) includes high strength and high modulus fibers with a yarn tenacity of 20 cN/dtex or higher and a yarn elastic modulus of 400 cN/dtex or higher, and has a ratio of yarn length/rope length of 1.005 or more and 1.200 or less, the rope length being determined as a length of a cut section (V) cut to a certain length from the rope structure (10), and the yarn length being determined as an average value of lengths of yarns constituting the inner core of the cut section (V).
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Polyurethane; unprocessed polyurethane resins; unprocessed synthetic resins; unprocessed plastics; unprocessed elastomers for use in manufacturing in a wide variety of industries; unprocessed thermoplastic compounds and thermoplastic elastomer resins for use in manufacturing in a wide variety of industries; chemicals used in industry; adhesives for use in industry Polyurethanes in the form of blocks, sheets, film, tubing, pellets and solutions for use in manufacturing in a wide variety of industries; raw or semi-worked rubber; semi-processed synthetic resins; semi-processed plastics; semi-processed polymers in pellet form; thermoplastic compounds and thermoplastic elastomer resins for use in manufacturing in a wide variety of industries; thermoplastic elastomer resins in pellet form for use in further manufacture; chemical fiber thread and yarn not for textile use
