Abstract: The present invention relates to a polybutylene terephthalate resin composition comprising 20 to 50 mass % of a polybutylene terephthalate resin (A) having an intrinsic viscosity of 0.60 to 1.0 dl/g, 20 to 45 mass % of a fibrous filler (B), 1 to 20 mass % of a polycarbonate resin (C) having a melt volume rate (MVR) of 30 cm3/10 min or more, 3 to 20 mass % of a copolymerized polybutylene terephthalate resin (D), and 0 to 20 mass % of an inorganic filler (E) other than the fibrous filler (B). The polybutylene terephthalate resin composition can form a molding that remedies sink marks, maintains high heat deflection temperature, and has excellent appearance.

Abstract: The present invention relates to a polyester resin composition comprising 18 to 35 parts by mass of a polybutylene terephthalate resin (A), 10 to 25 parts by mass of a polyethylene terephthalate resin (B), 10 to 20 parts by mass of a thermoplastic polyester elastomer (C), 0.5 to 5 parts by mass of an epoxy group-containing ethylene copolymer (D), 12 to 20 parts by mass of a spherical and/or amorphous inorganic filler (E), 10 to 35 parts by mass of a glass fiber reinforcing material (F), 0 to 10 parts by mass of a polycarbonate resin (G), and 0 to 2 parts by mass of a transesterification inhibitor (H). The polyester resin composition is excellent in heat resistance, capable of imparting toughness to a molding while remedying sink marks.

Abstract: A polyester resin composition contains a polyester resin A containing 50 to 100 mass % of a polybutylene terephthalate resin and 0 to 50 mass % of a polyethylene terephthalate resin. The polyester resin composition further contains a predetermined amount of a metal organic acid salt B, which is either or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt; a predetermined amount of a styrenic resin C; and a predetermined amount of an inorganic filler D. The amount of linear oligomers of polybutylene terephthalate or the amount of the linear oligomers of polybutylene terephthalate and linear oligomers of polyethylene terephthalate is less than or equal to 1000 mg/kg. Inorganic filler D has an average particle size of 0.05 to 3 ?m.

Abstract: The present invention relates to a polybutylene terephthalate resin composition comprising 20 to 50 mass % of a polybutylene terephthalate resin (A) having an intrinsic viscosity of 0.60 to 1.0 dl/g, 20 to 45 mass % of a fibrous filler (B), 1 to 20 mass % of a polycarbonate resin (C) having a melt volume rate (MVR) of 30 cm3/10 min or more, 3 to 20 mass % of a copolymerized polybutylene terephthalate resin (D), and 0 to 20 mass % of an inorganic filler (E) other than the fibrous filler (B). The polybutylene terephthalate resin composition can form a molding that remedies sink marks, maintains high heat deflection temperature, and has excellent appearance.

Abstract: The present invention relates to a polyester resin composition comprising 18 to 35 parts by mass of a polybutylene terephthalate resin (A), 10 to 25 parts by mass of a polyethylene terephthalate resin (B), 10 to 20 parts by mass of a thermoplastic polyester elastomer (C), 0.5 to 5 parts by mass of an epoxy group-containing ethylene copolymer (D), 12 to 20 parts by mass of a spherical and/or amorphous inorganic filler (E), 10 to 35 parts by mass of a glass fiber reinforcing material (F), 0 to 10 parts by mass of a polycarbonate resin (G), and 0 to 2 parts by mass of a transesterification inhibitor (H). The polyester resin composition is excellent in heat resistance, capable of imparting toughness to a molding while remedying sink marks.

Abstract: The present invention relates to a polybutylene terephthalate resin composition comprising 70 to 97 parts by mass of a polybutylene terephthalate resin (A) having an intrinsic viscosity (IV) of 0.60 to 0.95 dl/g, 2 to 15 parts by mass of a modified olefin resin (B), and 1 to 15 parts by mass of a polyester elastomer (C), based on 100 parts by mass of components (A), (B) and (C) in total, and preferably further comprising 0.05 to 1.5 parts by mass of a carbodiimide compound (D). The polybutylene terephthalate resin composition has excellent impact properties and high fluidity.

Abstract: A polybutylene terephthalate resin composition for bonding a polyester elastomer for use in a molded article for welding a polyester elastomer that enables bonding by insert molding; and that ensures a practical bonding strength, even in a portion where stress is generated. The polybutylene terephthalate resin composition comprises: 40 to 95 mass % of a polybutylene terephthalate resin (A); 4 to 40 mass % of a polyester block copolymer (B); 0 to 50 mass % of a copolyester resin (C) different from (B); and 0 to 55 mass % of an inorganic filler (D), the polyester block copolymer (B) comprising, as a constituent, a hard segment composed of a polyester having a specific structure.

Abstract: A polybutylene terephthalate resin composition for bonding a polyester elastomer for use in a molded article for welding a polyester elastomer that enables bonding by insert molding; and that ensures a practical bonding strength, even in a portion where stress is generated. The polybutylene terephthalate resin composition comprises: 40 to 95 mass % of a polybutylene terephthalate resin (A); 4 to 40 mass % of a polyester block copolymer (B); 0 to 50 mass % of a copolyester resin (C) different from (B); and 0 to 55 mass % of an inorganic filler (D), the polyester block copolymer (B) comprising, as a constituent, a hard segment composed of a polyester having a specific structure.

Abstract: A polyester resin composition contains a polyester resin A containing 50 to 100 mass % of a polybutylene terephthalate resin and 0 to 50 mass % of a polyethylene terephthalate resin. The polyester resin composition further contains a predetermined amount of a metal organic acid salt B, which is either or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt; a predetermined amount of a styrenic resin C; and a predetermined amount of an inorganic filler D. The amount of linear oligomers of polybutylene terephthalate or the amount of the linear oligomers of polybutylene terephthalate and linear oligomers of polyethylene terephthalate is less than or equal to 1000 mg/kg. Inorganic filler D has an average particle size of 0.05 to 3 ?m.

Abstract: The present invention is a polyester resin composition that includes a polyester resin A containing 50 to 100% by mass of a polybutylene terephthalate resin and 0 to 50% by mass of a polyethylene terephthalate resin, a metal organic acid salt B being either one or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt, a polyfunctional glycidyl group-containing styrene-based polymer C in a predetermined amount, and an inorganic filler D having an average particle diameter of 0.05 to 3 ?m. The polyester resin composition contains a predetermined amount of alkali metal atoms/alkaline earth metal atoms, and further the content of linear oligomers of polybutylene terephthalate, or the content of linear oligomers of polybutylene terephthalate and polyethylene terephthalate is less than or equal to 1000 mg/kg.

Abstract: The present invention provides a thermoplastic polyester elastomer composition which is flexible and exhibits excellent thermal aging resistance and water resistance. According to the present invention, there is provided a thermoplastic polyester elastomer composition wherein, to 100 parts by mass in total of a thermoplastic polyester elastomer (A) and a modified hydrogenated styrene-type elastomer (B), 0.1 to 10 part (s) by mass of a carbodiimide compound (C), 0.01 to 5 part (s) by mass of an antioxidant of a hindered phenol type (D) and 0.

Abstract: The present invention is a polyester resin composition that is includes a polyester resin A containing 50 to 100% by mass of a polybutylene terephthalate resin and 0 to 50% by mass of a polyethylene terephthalate resin, a metal organic acid salt B being either one or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt, a polyfunctional glycidyl group-containing styrene-based polymer C in a predetermined amount, and an inorganic filler D having an average particle diameter of 0.05 to 3 ?m. The polyester resin composition contains a predetermined amount of alkali metal atoms/alkaline earth metal atoms, and further the content of linear oligomers of polybutylene terephthalate, or the content of linear oligomers of polybutylene terephthalate and polyethylene terephthalate is less than or equal to 1000 mg/kg.

Abstract: The present invention provides a thermoplastic polyester elastomer composition which is flexible and exhibits excellent thermal aging resistance and water resistance. According to the present invention, there is provided a thermoplastic polyester elastomer composition wherein, to 100 parts by mass in total of a thermoplastic polyester elastomer (A) and a modified hydrogenated styrene-type elastomer (B), 0.1 to 10 part (s) by mass of a carbodiimide compound (C), 0.01 to 5 part (s) by mass of an antioxidant of a hindered phenol type (D) and 0.

Abstract: Provided is a polyamide resin composition which can provide an expanded molding being superior in heat resistance and sufficiently reduced in weight and having high load resistance by a simple molding process. The polyamide resin composition is characterized by comprising a polyamide resin (A), a glycidyl-group-containing styrene copolymer (B) having two or more glycidyl groups per molecule, a weight average molecular weight of 4000 to 25000 and an epoxy value of 400 to 2500 Eq/1×106 g and an inorganic reinforcing material (C) in a proportion such that the content of the glycidyl-group-containing styrene copolymer (B) is 0.2 to 25 parts by mass and the content of the inorganic reinforcing material (C) is 0 to 350 parts by mass relative to 100 parts by mass of the polyamide resin (A).

Abstract: Provided is a polyamide resin composition which can provide an expanded molding being superior in heat resistance and sufficiently reduced in weight and having high load resistance by a simple molding process. The polyamide resin composition is characterized by comprising a polyamide resin (A), a glycidyl-group-containing styrene copolymer (B) having two or more glycidyl groups per molecule, a weight average molecular weight of 4000 to 25000 and an epoxy value of 400 to 2500 Eq/1×106 g and an inorganic reinforcing material (C) in a proportion such that the content of the glycidyl-group-containing styrene copolymer (B) is 0.2 to 25 parts by mass and the content of the inorganic reinforcing material (C) is 0 to 350 parts by mass relative to 100 parts by mass of the polyamide resin (A).

Abstract: A thin-walled light resin composition engine cover has reduced mass and thickness while retaining radiated sound reduction effects, heat resistance, and mechanical properties. The cover has an average thickness of 2.0 mm or less. The resin composition includes (a) a polyamide resin composed of essentially at least one of scrap of vehicle airbag fabric made of nylon 66 containing a copper-based stabilizer and vehicle airbag fabric recycled, (b) a modified polypropylene resin, (c) a reinforcement material, (d) a metal deactivator and a photo-thermal stabilizer, and (e) a viscosity regulator. The resin composition has a melt flow rate of not less than 40 g/10 min.