Abstract: As a thermoplastic resin used as a matrix resin for a fiber-reinforced composite material, a thermoplastic resin having a high glass transition temperature in spite of having a low resin viscosity during molding is provided. Provided are a two-liquid curable composition for forming a thermoplastic matrix resin, the two-liquid curable composition containing an active hydrogen component containing an alkylthio group-containing aromatic diamine (A) and a diisocyanate component containing at least one kind of diisocyanate (B) selected from the group consisting of aliphatic diisocyanates, alicyclic diisocyanates, and modified forms of aliphatic diisocyanates and alicyclic diisocyanates, a matrix resin for a fiber-reinforced composite material, the matrix resin being a thermoplastic resin containing a reaction product of the active hydrogen component and the diisocyanate component, and a fiber-reinforced composite material containing the matrix resin and reinforcing fiber.

Abstract: A molded resin product includes a plurality of protrusions formed in a predetermined region. A histogram indicating a height distribution of the plurality of protrusions has two peaks having a boundary height as a boundary therebetween. In a case where protrusions having height equal to or smaller than the height Hx are first protrusions and protrusions having height larger than the boundary height are second protrusions among the plurality of protrusions, an arithmetic mean curvature of the first protrusions is smaller than an arithmetic mean curvature of the second protrusions.

Abstract: Provided are a two-component curable composition, for manufacture of a thermoplastic polyurethane resin, that exhibits low mixing viscosity and high glass transition temperature after curing, a thermoplastic polyurethane resin that is a cured product thereof, and a fiber-reinforced resin including the thermoplastic polyurethane resin. The two-component curable composition for manufacture of a thermoplastic polyurethane resin is a two-component curable composition including a polyol component including a diol (A) and a polyisocyanate component including a diisocyanate (B). The diol (A) includes a diol (A-1) having an aromatic ring and having a molecular weight of 200 to 700 and a diol (A-2) having no aromatic ring and having a molecular weight of 500 or less. The ratio ((A-1)/((A-1)+(A-2))) of the mass of the diol (A-1) to the total mass of the diol (A-1) and the diol (A-2) is (10/100) to (75/100).

Abstract: A molded resin product includes a plurality of protrusions formed in a predetermined region. A histogram indicating a height distribution of the plurality of protrusions has two peaks having a boundary height as a boundary therebetween. In a case where protrusions having height equal to or smaller than the height Hx are first protrusions and protrusions having height larger than the boundary height are second protrusions among the plurality of protrusions, an arithmetic mean curvature of the first protrusions is smaller than an arithmetic mean curvature of the second protrusions.

Abstract: A resin molding has a first surface and a second surface, wherein the second surface includes a rib, and wherein the first surface includes a glossy portion and a non-glossy portion.

Abstract: A resin product including an antireflection surface includes a plurality of first concave portions, a plurality of second concave portions, and a component surface. The first concave portions have opening widths equal to or larger than 1 ?m and equal to or smaller than 300 ?m. The second concave portions are formed on each of the plurality of first concave portions and have opening widths equal to or larger than 10 nm and equal to or smaller than 1 ?m. The component surface is configured to surround each of the plurality of first concave portions.

Abstract: A resin molding has a first surface and a second surface, wherein the second surface includes a rib, and wherein the first surface includes a glossy portion and a non-glossy portion.

Abstract: A molded resin product includes a plurality of protrusions formed in a predetermined region. A histogram indicating a height distribution of the plurality of protrusions has two peaks having a boundary height as a boundary therebetween. In a case where protrusions having height equal to or smaller than the height Hx are first protrusions and protrusions having height larger than the boundary height are second protrusions among the plurality of protrusions, an arithmetic mean curvature of the first protrusions is smaller than an arithmetic mean curvature of the second protrusions.

Abstract: As a thermoplastic resin used as a matrix resin for a fiber-reinforced composite material, a thermoplastic resin having a high glass transition temperature in spite of having a low resin viscosity during molding is provided. Provided are a two-liquid curable composition for forming a thermoplastic matrix resin, the two-liquid curable composition containing an active hydrogen component containing an alkylthio group-containing aromatic diamine (A) and a diisocyanate component containing at least one kind of diisocyanate (B) selected from the group consisting of aliphatic diisocyanates, alicyclic diisocyanates, and modified forms of aliphatic diisocyanates and alicyclic diisocyanates, a matrix resin for a fiber-reinforced composite material, the matrix resin being a thermoplastic resin containing a reaction product of the active hydrogen component and the diisocyanate component, and a fiber-reinforced composite material containing the matrix resin and reinforcing fiber.

Abstract: A resin product includes an outer surface. The outer surface includes a first area and a second area. The first area includes a surface pattern including a concave and convex portion having a first difference in height. The second area includes a surface pattern including a concave and convex portion having a second difference in height, larger than the first difference in height. An arithmetic average height of a top of a convex portion of the concave and convex portion having the first difference in height is larger than an arithmetic average height of a top of a convex portion of the concave and convex portion having the second difference in height.

Abstract: Provided are a two-component curable composition, for manufacture of a thermoplastic polyurethane resin, that exhibits low mixing viscosity and high glass transition temperature after curing, a thermoplastic polyurethane resin that is a cured product thereof, and a fiber-reinforced resin including the thermoplastic polyurethane resin. The two-component curable composition for manufacture of a thermoplastic polyurethane resin is a two-component curable composition including a polyol component including a diol (A) and a polyisocyanate component including a diisocyanate (B). The diol (A) includes a diol (A-1) having an aromatic ring and having a molecular weight of 200 to 700 and a diol (A-2) having no aromatic ring and having a molecular weight of 500 or less. The ratio ((A-1)/((A-1)+(A-2))) of the mass of the diol (A-1) to the total mass of the diol (A-1) and the diol (A-2) is (10/100) to (75/100).

Abstract: A product includes a first area and a second area. Each area includes areas having a first optical property and areas having a second optical property. The areas having the first optical property and the areas having the second optical property are arranged under a specific rule. In the first area, convex portions whose height is equal to or smaller than a predetermined height or no convex portions are formed. In the second area, convex portions whose height is larger than the predetermined height are formed.

Abstract: There is provided a resin molded product including a hairline pattern having small roughness and high gloss. The resin molded product includes a surface having a hairline pattern in which a plurality of ridges extending in an X direction is arranged in a Y direction, thus the plurality of ridges includes a plurality of first ridges and a plurality of second ridges higher than the first ridges, with the hairline pattern having a maximum height Ry of 6 [?m] or less in the X direction, and an arithmetic average curvature Spc of apex points of 625 [1/mm] or less.

Abstract: An exterior surface of an exterior component has a sea portion and an island portion, the sea portion includes a plurality of protrusions having a common axially symmetric shape, the island portion is higher than the plurality of protrusions, and glossiness of the island portion is higher than glossiness of the sea portion.

Abstract: A resin product including an antireflection surface includes a plurality of first concave portions, a plurality of second concave portions, and a component surface. The first concave portions have opening widths equal to or larger than 1 ?m and equal to or smaller than 300 ?m. The second concave portions are formed on each of the plurality of first concave portions and have opening widths equal to or larger than 10 nm and equal to or smaller than 1 ?m. The component surface is configured to surround each of the plurality of first concave portions.

Abstract: A resin product includes an outer surface. The outer surface includes a first area and a second area. The first area includes a surface pattern including a concave and convex portion having a first difference in height. The second area includes a surface pattern including a concave and convex portion having a second difference in height, larger than the first difference in height. An arithmetic average height of a top of a convex portion of the concave and convex portion having the first difference in height is larger than an arithmetic average height of a top of a convex portion of the concave and convex portion having the second difference in height.

Abstract: The present application discloses a polyol composition for a polyurethane resin and a polyurethane-resin-formable composition that are capable of forming a polyurethane resin that exhibits a low resin viscosity during shaping, but has a high glass transition temperature, and a composite material. A polyol composition for a polyurethane resin includes an esterified compound (A) having an average esterification degree of 0.5 to 2.5, wherein the esterified compound (A) includes, as constituent components, a triol (a1) and a fatty acid (a2) having 2 to 18 carbon atoms.

Abstract: A filler-containing resin molded product with a surface which includes irregularities which are transferred from a mold cavity to the surface and have an arithmetic mean roughness of 0.8 ?m or greater and 10 ?m or less and a peak arithmetic mean curvature of 400 [1/mm] or greater and 900 [1/mm] or less.

Abstract: A method of manufacturing a molded resin component having a decorative pattern by filling a cavity with resin includes using a mold set in which a concave portion is formed along a boundary portion between the plurality of pieces, the concave portion being used to form one portion of the convex portion of the decorative pattern, or using a mold set including a step formed when a base material is cut, and when a cutting tool is replaced at a position where a concave portion is to be formed, the concave portion being used to form one portion of the convex portion of the decorative pattern.

Abstract: A resin molding has a first surface and a second surface, wherein the second surface includes a rib, and wherein the first surface includes a glossy portion and a non-glossy portion.