Abstract: The present invention relates to a waterproof component that is an insert molded body formed from a thermoplastic resin composition and a metal component, wherein the thermoplastic resin composition contains a thermoplastic resin (A) and an inorganic fibrous reinforcement (B); the content of the inorganic fibrous reinforcement (B) is 8 to 130 parts by mass based on 100 parts by mass of the thermoplastic resin (A); and the inorganic fibrous reinforcement (B) has an average fiber diameter of 10 ?m or less and an average fiber length of 300 ?m or less.

Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher, a flame retardant (B) and an aromatic vinyl copolymer (C), wherein the aromatic vinyl copolymer (C) contains a structural unit derived from an aromatic vinyl and a structural unit derived from an ?,?-unsaturated dicarboxylic anhydride, the glass transition temperature of the aromatic vinyl copolymer (C) is 140° C. or higher, and the content of the aromatic vinyl copolymer (C) is 0.3 to 2.0% by mass relative to the total content of the polyamide (A), the flame retardant (B) and the aromatic vinyl copolymer (C); and a molded article of the polyamide composition.

Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher and a flame retardant (B), which is such that, when a melt of the polyamide composition is injection-molded with a mold having a thickness of 0.5 mm and a width of 40 mm under the condition of a cylinder temperature higher by 20° C. than the melting point of the polyamide (A), an injection pressure of 74 MPa and a mold temperature of 140° C., the flow length is 40 mm or more, and that the melt flow rate at a temperature of 320° C. and under a load of 2.16 kg is 15 g/10 min or less; and a molded article of the polyamide composition.

Abstract: A polyamide resin composition containing, per 100 parts by mass of a particular polyamide (A), 45 to 120 parts by mass of an inorganic filler (B), 25 to 40 parts of at least one kind of a phosphinate salt (C) represented by the particular formula, 2 to 15 parts by mass of a phosphite salt (D), and a colorant (E), having a sulfur element content of less than 220 ppm by mass and ?E represented by the following expression (1) of more than 1, and a molded body thereof: ?E=[(L*col·L*nat)2+(a*col·a*nat)2+(b*col·b*nat)2]1/2??(1) wherein the symbols in the expression are defined in the description.

Abstract: Provided are a polyamide resin composition containing 100 parts by mass of a specific polyamide (A), 45 to 120 parts by mass of an inorganic fibrous reinforcing material (B), 25 to 40 parts by mass of at least one phosphinate salt (C) represented by a specific formula, and 2 to 15 parts by mass of a phosphite salt (D), the phosphinate salt (C) and the phosphite salt (D) being contained at a specific ratio, and a molded object of the polyamide resin composition.

Abstract: The present invention relates to a waterproof component that is an insert molded body formed from a thermoplastic resin composition and a metal component, wherein the thermoplastic resin composition contains a thermoplastic resin (A) and an inorganic filler (B); the content of the inorganic filler (B) is 8 to 130 parts by mass based on 100 parts by mass of the thermoplastic resin (A); the inorganic filler (B) is at least either one of a spherical inorganic filler (B1) and a tabular inorganic filler (B2); the spherical inorganic filler (B1) has an average particle diameter of 2 ?m or more and 200 ?m or less; and the tabular inorganic filler (B2) has an average particle diameter of 2 ?m or more and 200 ?m or less and has an average aspect ratio of 10 or more and 200 or less. The present invention also relates to an electronic device provided with the same.

Abstract: A waterproof component may be an insert molded body formed from a thermoplastic resin composition and a metal component. The thermoplastic resin composition may contain a thermoplastic resin (A), an inorganic reinforcement (B), and a polyolefin (C1) or a long-chain fatty acid-based compound (C2). The content of the inorganic reinforcement (B) may be in a range of from 8 to 130 parts by mass, and the content of the polyolefin (C1) or the long-chain fatty acid-based compound (C2) may be in a range of from 1.0 to 40 parts by mass, based on 100 parts by mass of the thermoplastic resin (A). An electronic device may be provided with the same.

Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher and a flame retardant (B), which is such that, when a melt of the polyamide composition is injection-molded with a mold having a thickness of 0.5 mm and a width of 40 mm under the condition of a cylinder temperature higher by 20° C. than the melting point of the polyamide (A), an injection pressure of 74 MPa and a mold temperature of 140° C., the flow length is 40 mm or more, and that the melt flow rate at a temperature of 320° C. and under a load of 2.16 kg is 15 g/10 min or less; and a molded article of the polyamide composition.

Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher, a flame retardant (B) and an aromatic vinyl copolymer (C), wherein the aromatic vinyl copolymer (C) contains a structural unit derived from an aromatic vinyl and a structural unit derived from an ?,?-unsaturated dicarboxylic anhydride, the glass transition temperature of the aromatic vinyl copolymer (C) is 140° C. or higher, and the content of the aromatic vinyl copolymer (C) is 0.3 to 2.0% by mass relative to the total content of the polyamide (A), the flame retardant (B) and the aromatic vinyl copolymer (C); and a molded article of the polyamide composition.

Abstract: The present invention relates to a polyamide that is a polyamide (A) having a dicarboxylic acid unit and a diamine unit, wherein more than 40 mol % and 100 mol % or less of the dicarboxylic acid unit is a naphthalenedicarboxylic acid unit, and 60 mol % or more and 100 mol % or less of the diamine unit is a branched aliphatic diamine unit and a linear aliphatic diamine unit of an arbitrary structural unit, and a proportion of the branched aliphatic diamine unit relative to the total 100 mol % of the branched aliphatic diamine unit and the linear aliphatic diamine unit is 60 mol % or more; and a polyamide composition containing the polyamide.

Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of 1,4-cyclohexanedicarboxylic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; and the phosphorus-containing antioxidant (E) has 3 or more predetermined structures represented by the formula (1) in its molecule, wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.

Abstract: The present invention relates to a waterproof component that is an insert molded body formed from a thermoplastic resin composition and a metal component, wherein the thermoplastic resin composition contains a thermoplastic resin (A) and an inorganic fibrous reinforcement (B); the content of the inorganic fibrous reinforcement (B) is 8 to 130 parts by mass based on 100 parts by mass of the thermoplastic resin (A); and the inorganic fibrous reinforcement (B) has an average fiber diameter of 10 ?m or less and an average fiber length of 300 ?m or less.

Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of terephthalic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.80 part by mass, with respect to 100 parts by mass of the polyamide (A); and the content of the phosphorus-containing antioxidant (E) satisfies the following expression (I): 0.25?mass ratio [(D)component/(E)component]?3.0??(I).

Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.

Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.

Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of terephthalic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.80 part by mass, with respect to 100 parts by mass of the polyamide (A); and the content of the phosphorus-containing antioxidant (E) satisfies the following expression (I): 0.25?mass ratio [(D)component/(E)component]?3.0??(I).

Abstract: The present invention relates to a polyester composition for an LED reflection plate containing a polyester (A), a titanium oxide (B), a phenolic antioxidant (C), and a phosphorus-based antioxidant (D), wherein the polyester (A) is a polyester having a structural unit derived from a dicarboxylic acid including 50 mol % or more of terephthalic acid and a structural unit derived from a diol including 50 mol % or more of 1,4-cyclohexanedimethanol; the phosphorus-based antioxidant (D) contains three or more groups represented by the formula (1) in a molecule thereof; the content of the titanium oxide (B) is 20 to 90 parts by mass, and the content of the phenolic antioxidant (C) is 0.1 to 0.8 parts by mass, on the basis of 100 parts by mass of the polyester (A); and the content of the phosphorus-based antioxidant (D) satisfies the following equation (I); an LED reflection plate composed of the foregoing composition; and a light-emitting device including the foregoing reflection plate. 0.

Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of 1,4-cyclohexanedicarboxylic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; and the phosphorus-containing antioxidant (E) has 3 or more predetermined structures represented by the formula (1) in its molecule, wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.

Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.

Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.