Abstract: The two-liquid curable adhesive has a curing speed favorable even in a case where an isocyanate monomer is reduced. The two-liquid curable adhesive contains a polyisocyanate composition (X) and a polyol composition (Y), in which the polyisocyanate composition (X) contains a compound (A1) having one or more isocyanate groups with a number-average molecular weight of more than 280 and an isocyanate monomer (A2) having a number-average molecular weight of 140 to 280, a blending amount of the isocyanate monomer (A2) is 0.001% by mass or more and 0.1% by mass or less with respect to a solid content of the polyisocyanate composition (X), and the polyol composition (Y) contains a polyol compound (B) and an amine compound (C) having an NH2 group or an NHR group; a laminate using the adhesive; a method for producing a laminate; and a packaging material.

Abstract: Provided is a plasticizer which can impart excellent heat resistance to a molded article of a vinyl chloride resin composition. Specifically, provided is a plasticizer for vinyl chloride resin, wherein the plasticizer is a polyester represented by the following formula (1) or (2), wherein, in the formulae (1) and (2), B11 represents an aliphatic monocarboxylic acid residue having 7 to 20 carbon atoms, B12 represents an aliphatic monocarboxylic acid residue having 7 to 20 carbon atoms, B21 represents an aliphatic monoalcohol residue having 6 to 10 carbon atoms, B22 represents an aliphatic monoalcohol residue having 6 to 10 carbon atoms, G represents an alkylene glycol residue having 3 to 10 carbon atoms or an oxyalkylene glycol residue having 3 to 10 carbon atoms, A represents an alkylenedicarboxylic acid residue having 6 to 12 carbon atoms, and each of m and n represents the number of repeating units in parentheses.

Abstract: Provided is a copolymer that functions as a silicone-based leveling agent having leveling properties and recoatability. Specifically, a random copolymer including: a structural unit A derived from a polymerizable monomer (a1) having a functional group represented by —Si[OSi(R)3]n[R?]3-n and a (meth)acryloyl group; and a structural unit B derived from a polymerizable monomer (a2) having one or more selected from the group consisting of an alkyl group having from 1 to 18 carbon atoms, an aromatic groups having from 6 to 18 carbon atoms, and a group containing a polyoxyalkylene chain, wherein the random copolymer contains the structural unit A in an amount of from 50 to 80 mass % with respect to a total of the structural units A and B, and the random copolymer has the weight average molecular weight (Mw) of 10000 or more.

Abstract: Provided are a quinacridone compound derived from biomass, which is obtainable safely and through a clean, green, and carbon neutral approach. and a composition containing the compound. A quinacridone compound including a radioactive carbon atom 14C and having the structure represented by the following formula (B). (In the formula (B), X each independently represents —Cl, —F, —Br, —I, —OH, —NO2, a C1 to C12 alkyl group, a C1 to C12 alkoxy group, a phenyl group, —COOH, —COO—C1 to C12 alkyl, or —CO—NR, R each independently represents a hydrogen atom, an alkyl group, an alkenyl group, or a phenyl group, and n each independently represents 1 or 2.

Abstract: An object is to provide a cured product having excellent heat resistance and dielectric properties (low dielectric properties) and prepregs, circuit boards, build-up films, semiconductor sealing materials, and semiconductor devices having these pieces of performance by using a curable resin having a specific structure. Specifically, provided is a curable resin having a structural unit (1) represented by General Formula (1) below and a terminal structure (2) represented by General Formula (2) below. In Formulae (1) and (2) above, the details of R1, R2, R3, k, and X are as described herein.

Abstract: The present invention provides a synthetic leather including at least a substrate (i), an adhesive layer (ii), and a skin layer (iii), in which the adhesive layer (ii) and the skin layer (iii) are formed from respective specific urethane resin compositions. The adhesive layer (ii) is formed from a urethane resin composition including an anionic urethane resin (X) and water (Y). The skin layer (iii) is formed from a urethane resin composition including an anionic urethane resin (S) and water (T), in which the anionic urethane resin (S) is produced using, for example, a polycarbonate polyol (A-1) produced using biomass-derived decanediol.

Abstract: To provide a method for producing molybdenum trioxide powder capable of reducing material costs and decreasing environmental burden and disposal costs associated with disposal of by-products generated during calcination.

Abstract: A polymerization catalyst composition contains a rare earth element carboxylate, a phosphate ester represented by the following general formula (1): [Formula 1] O?P(OR)3??(1) (wherein Rs are each independently an alkyl group having 5 to 20 carbon atoms), and water.

Abstract: There are provided a hollow fiber degassing module that is superior in chemical resistance and allows for reduced contamination even in extended use in the degassing of constant temperature water, the automatic analysis device that includes it, a (bio)chemical analysis method in which this automatic analysis device is used, and a method for degassing the constant temperature water. To be exact, an automatic analysis device that carries out chemical analysis or biochemical analysis of a specimen, a (bio)chemical analysis method in which this automatic analysis device is used, and a method for degassing the constant temperature water include a constant temperature tank for maintaining a test tube containing the specimen within a certain temperature range and a degassing portion including a hollow fiber degassing module for removing dissolved gases contained in constant temperature water in the constant temperature tank, the degassing module including polyolefin resin or fluoropolymer hollow fiber membranes.

Abstract: A degassing apparatus capable of preventing cross-contamination is provided. A degassing apparatus includes degassing modules each having a tube unit that is a gas permeable membrane separating a fluid circulation space and a reduced-pressure space from each other, vacuum piping communicatively connected to the reduced-pressure spaces, a discharge device that discharges gas in the reduced-pressure spaces through the vacuum piping, atmospheric release piping communicatively connected to the reduced-pressure spaces, an atmospheric release valve capable of introducing atmosphere into the reduced-pressure spaces through the atmospheric release piping, and a control unit that controls the operation of the discharge device and the atmospheric release valve.

Abstract: In the present invention, there is provided an urethane resin composition containing an urethane resin (A), water (B), and a surfactant (C) having no aromatic ring, and having a hydrophobic portion having 10 or more carbon atoms, wherein the urethane resin composition has a carbonate structure (X) and an oxyalkylene structure (Y) derived from the urethane resin (A). Further, the present invention provides a foamed urethane sheet which is formed from the urethane resin composition, wherein the foamed urethane sheet has a density of 200 to 1,000 kg/m3. The urethane resin composition according to claim 1, wherein the mass ratio of the carbonate structure (X) to the oxyalkylene structure (Y) [X/Y] is in the range of from 10/90 to 90/10.

Abstract: A curable resin that can have excellent heat resistance (a high glass transition temperature) and dielectric properties (low dielectric properties), the curable resin composition, and its cured product. Specifically, a curable resin (A) contains both a structure represented by General Formula (1) below and a structure represented by General Formula (2) below. (In the afomentioned General Formula (1), the details of the substituents and the number of the substituents are as described in the present specification.) (In the afomentioned General Formula (2), the details of the substituents and the number of the substituents are as described in the present specification.

Abstract: A curable resin composition for stereolithography capable of forming an optical three-dimensional shaped object having both sufficient toughness and heat resistance, a cured product of the composition, and a three-dimensional shaped object are provided. The curable resin composition contains a urethane resin (A) having two (meth)acryloyl groups, an ?,?-unsaturated carbonyl compound (B), and a photopolymerization initiator. The urethane resin (A) is obtained by using, as reaction raw materials a polycarbonate diol (a1), a diisocyanate (a2), and a compound (a3) having a hydroxyl group and a (meth)acryloyl group. The polycarbonate diol (a1) has a branched or linear aliphatic structure. The ?,?-unsaturated carbonyl compound (B) has a glass transition temperature (Tg) of 50° C. or higher when formed into a polymer. The urethane resin (A) has a number average molecular weight (Mn) of 2000 or more.

Abstract: A heat absorber having an excellent heat absorption property, heat insulation property, and pressure resistance and being capable of changing into a heat insulator in a high temperature range, and a secondary battery module including the heat absorber are provided. The heat absorber includes a bag fillable with a content, and an aqueous solvent and a water-soluble inorganic powder configured to fill the bag as the content. The secondary battery module includes the heat absorber.

Abstract: An object is to provide a cured product, for example, that is made with a curable resin composition containing a curable resin having a particular structure, a radical polymerization initiator, and a flame retardant and therefore is superior in flame retardancy, heat resistance (high glass transition temperature), and dielectric properties (low dielectric properties). Specifically, there are provided a curable resin represented by general formula (1) below and a curable resin composition containing this curable resin, a radical polymerization initiator (B), and a flame retardant (C). (In general formula (1) above, Y is a substituent represented by general formula (2) below, and the details of the substituents and the numbers of substituents presented in general formulae (1) and (2) above are as described in the text.

Abstract: An object that is to be achieved by the present invention is to provide an azo pigment having excellent transparency, suitable dispersibility, and a low viscosity, an ink, and the like. An azo pigment according to the present invention has a zeta potential of ?80 to ?30 mV in isopropanol (IPA). The content of a metal element in the azo pigment is preferably 0.05 to 2.00 parts by mass relative to 100 parts by mass of the azo pigment. The metal element is preferably an iron element. The ratio (Fe/C) of the concentration Fe (atomic %) of an iron element in the surfaces of particles of the azo pigment to the concentration C (atomic %) of a carbon element in the surfaces of the particles of the azo pigment which are determined by X-ray photoelectron spectroscopy is preferably 0.20 or less.

Abstract: A task to be achieved by the present invention is to provide a urethane water dispersion which is unlikely to soak the substrate well, and which has excellent peel strength and excellent prompt releasability. The present invention provides a urethane resin water dispersion containing a urethane resin (A), water (B), and a crosslinking agent (C), wherein the urethane resin (A) has a viscosity at 50° C. in the range of from 15,000 to 34,000 mPa·s, a viscosity at 100° C. in the range of from 1,000 to 10,000 mPa·s, and a viscosity at 150° C. in the range of from 100 to 1,300 mPa·s. Further, the present invention provides a synthetic leather having a bonding layer formed from the urethane resin water dispersion. Further, the present invention provides a method for producing the synthetic leather.

Abstract: The issue of the present invention is to provide a disazo pigment in which the polychlorinated biphenyl (PCB) content in addition to the primary aromatic amine (PAA) content is reduced. The present invention provides a pigment composition containing a disazo pigment, an alkylamine that has an alkyl group having a carbon number of 8 or more, and a poly(oxyethylene) alkyl ester that has an alkyl group having a carbon number of 8 or more. Preferably, the disazo pigment includes at least one disazo pigment selected from a group consisting of C.I. Pigment Yellow 83, C.I. Pigment Yellow 13, and C.I. Pigment Yellow 14.

Abstract: Provided are alumina particles containing molybdenum and with their shape controlled. The alumina particles contain phosphorus and molybdenum. The alumina particles are preferably plate-like or card house-like. The phosphorus is preferably unevenly distributed in surface layers of the alumina particles. Also provided are a resin composition containing the alumina particles and a resin, a molded body made by molding the resin composition, and a method for producing the alumina particle including a step of firing the aluminum compound in the presence of a molybdenum compound and a phosphorous compound.

Abstract: A sticky tape that can be heated and separated in a short time and can effectively prevent thermal damage to an adherend is provided. The sticky tape separable by heating, includes: an intermediate layer A containing a heating element and an adhesive agent; an adhesive agent layer B1 disposed on one surface side of the intermediate layer A and containing an adhesive agent; and an adhesive agent layer B2 disposed on the other surface side of the intermediate layer A and containing an adhesive agent. At least one of the adhesive agent layer B1 and the adhesive agent layer B2 is a heat-insulating layer C further having heat-insulating properties, or a heat-insulating layer C with heat-insulating properties is further provided at least one of between the intermediate layer A and the adhesive agent layer B1 and between the intermediate layer A and the adhesive agent layer B2.