Abstract: A resin composition according to the present invention comprises: (A) a (meth)acrylic copolymer containing 5 to 85% by mass of a (meth)acrylate unit (a) represented by general formula (1) and 15 to 95% by mass of a methyl (meth)acrylate unit (b); and (B) a polycarbonate-type resin.

Abstract: Provided is a gas-barrier film containing: a substrate film including a vapor-deposited inorganic layer; and a cured resin layer; the gas-barrier film includes the cured resin layer on a surface of the vapor-deposited inorganic layer side of the substrate film, wherein the cured resin layer is a cured product of an epoxy resin composition containing: an epoxy resin; an epoxy resin curing agent; and non-spherical inorganic particles, and the epoxy resin curing agent is a reaction product of the following components (A) and (B): (A) at least one selected from the group consisting of meta-xylylenediamine and para-xylylenediamine; (B) at least one selected from the group consisting of prescribed unsaturated carboxylic acids and derivatives thereof. Also provided is a laminate containing the gas-barrier film.

Abstract: The present invention provides: a composition which exhibits low viscosity, while having high refractive index and good dryability when cured, and which is able to be suppressed in precipitation of crystals for a long period of time in cases where the composition is stored at low temperatures; and a coating material which contains this composition.

Abstract: Provided is a resin composition which is capable of forming a molded body that has excellent surface hardness, transparency, hue and weather resistance, while exhibiting excellent wet heat resistance. A resin composition which contains a (meth)acrylic copolymer (A) and a polycarbonate-based resin (B), and wherein: the (meth)acrylic copolymer (A) contains an aromatic (meth)acrylate unit (a1), a methyl (meth)acrylate unit (a2) and a (meth)acrylate unit (a3) represented by formula (1); the mass ratio (a1)/(a2) is from 5/95 to 85/15; the content of the unit (a3) is 0.1-10 parts by mass relative to 100 parts by mass of the total of the units (a1) and (a2); and the unit (a1) is different from the unit (a3).

Abstract: The present invention provides: a light diffusing agent which enables the achievement of a resin molded body having excellent light diffusibility, light transmission properties, surface hardness and the like; a resin composition which contains this light diffusing agent; and a molded body. One embodiment of the present invention provides a light diffusing agent which contains a copolymer that contains a (meth)acrylate constituent unit (A) represented by general formula (1) and a polyvalent vinyl constituent unit (B) that is copolymerizable with the constituent unit (A).

Abstract: A resin composition according to the present invention comprises: (A) a (meth)acrylic copolymer containing 5 to 85% by mass of a (meth)acrylate unit (a) represented by general formula (1) and 15 to 95% by mass of a methyl (meth)acrylate unit (b); and (B) a polycarbonate-type resin.

Abstract: According to one embodiment, the present invention provides a resin composition, which comprises a polymer (A) containing 45% by mass or more of a (meth)acrylate unit (a) represented by the following formula (1), a polymer (B) containing 60% by mass or more of a methyl (meth)acrylate unit (b) and having a mass average molecular weight of 5,000 to 20,000, and a polycarbonate-based resin (C).

Abstract: Provided is a resin composition that, according to one embodiment, contains a (meth)acrylic copolymer (A), a polycarbonate-based resin (B), an ultraviolet absorber (C), and an antioxidant (D), the (meth)acrylic copolymer (A) containing 5-85% by mass of (meth)acrylate units (a) represented by general formula (1) and 15-95% by mass of methyl (meth)acrylate units (b), wherein the resin composition contains 0.1-1.5 parts by mass of (C) and 0.05-1.0 part by mass of (D) per 100 parts by mass of the resin component containing (A) and (B).

Abstract: A resin composition according to the present invention comprises: (A) a (meth)acrylic copolymer containing 5 to 85% by mass of a (meth)acrylate unit (a) represented by general formula (1) and 15 to 95% by mass of a methyl (meth)acrylate unit (b); and (B) a polycarbonate-type resin.

Abstract: A resin according to the present invention is prepared by reacting a reaction product, which is obtained by Michael addition reaction between the following component (A) and the following component (B) and a subsequent amide group formation reaction, with the following component (C): (A) an aliphatic diamine having 2 to 8 carbon atoms or a diamine having a C6-8 aromatic ring; (B) an unsaturated carboxylic acid represented by formula (2) and/or a derivative thereof, provided that the following component (C) is excluded: [in formula (2), R1 and R2 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms or an aryl group]; and (C) a (meth)acrylic acid-type compound having at least one glycidyl or isocyanate group.

Abstract: A coating film formed by curing of an epoxy resin composition containing at least an epoxy resin, an epoxy resin curing agent and a solvent, wherein the coating film contains the solvent in a ratio of 1% by mass or more and 20% by mass or less, and the epoxy resin curing agent is a reaction product of the following (A) and (B). (A) At least one selected from the group consisting of metaxylylenediamine and paraxylylenediamine. (B) At least one selected from the group consisting of an unsaturated carboxylic acid represented by the following formula (1) and a derivative thereof: wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms, or an aryl group.

Abstract: According to one embodiment, the present invention provides a resin composition, which comprises a polymer (A) containing 45% by mass or more of a (meth)acrylate unit (a) represented by the following formula (1), a polymer (B) containing 60% by mass or more of a methyl (meth)acrylate unit (b) and having a mass average molecular weight of 5,000 to 20,000, and a polycarbonate-based resin (C).

Abstract: Provided is a resin composition that, according to one embodiment, contains a (meth)acrylic copolymer (A), a polycarbonate-based resin (B), an ultraviolet absorber (C), and an antioxidant (D), the (meth)acrylic copolymer (A) containing 5-85% by mass of (meth)acrylate units (a) represented by general formula (1) and 15-95% by mass of methyl (meth)acrylate units (b), wherein the resin composition contains 0.1-1.5 parts by mass of (C) and 0.05-1.0 part by mass of (D) per 100 parts by mass of the resin component containing (A) and (B).

Abstract: A resin composition according to the present invention comprises: (A) a (meth)acrylic copolymer containing 5 to 85% by mass of a (meth)acrylate unit (a) represented by general formula (1) and 15 to 95% by mass of a methyl (meth)acrylate unit (b); and (B) a polycarbonate-type resin.

Abstract: A resin according to the present invention is prepared by reacting a reaction product, which is obtained by Michael addition reaction between the following component (A) and the following component (B) and a subsequent amide group formation reaction, with the following component (C): (A) an aliphatic diamine having 2 to 8 carbon atoms or a diamine having a C6-8 aromatic ring; (B) an unsaturated carboxylic acid represented by formula (2) and/or a derivative thereof, provided that the following component (C) is excluded: [in formula (2), R1 and R2 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms or an aryl group]; and (C) a (meth)acrylic acid-type compound having at least one glycidyl or isocyanate group.

Abstract: Provided is e.g., an epoxy resin curing agent, epoxy resin composition and a gas-barrier adhesive containing the epoxy resin composition which can express high gas-barrier properties and excellent adhesiveness to various types of plastics, in particular, to polyester, and a gas-barrier laminate having high gas-barrier properties and excellent adhesiveness to various types of plastics, in particular, to polyester. The epoxy resin curing agent of the present invention is a reaction product of the following (A) and (B). Furthermore, the epoxy resin curing agent contains at least an epoxy resin and the epoxy resin curing agent of the present invention. (A) metaxylylenediamine or paraxylylenediamine; (B) an unsaturated carboxylic acid represented by the following formula (1) and/or derivatives thereof: wherein R1 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms or an aryl group.

Abstract: An epoxy resin curing agent includes at least the following component (I) and component (II) in a mass ratio of 50/50 to 92/8: Component (I): a reaction product obtained by reacting at least (A) metaxylylenediamine or paraxylylenediamine and at least one selected from (B1) acrylic acid and acrylic acid derivatives; Component (II): a reaction product obtained by reacting at least (A) metaxylylenediamine or paraxylylenediamine and at least one selected from (B2) unsaturated carboxylic acids represented by the following formula (1) and derivatives thereof: wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms or an aryl group; so that at least one of R1 and R2 is an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms or an aryl group.