Abstract: Regarding a laser welded body in which a laser transmissive/absorptive molding member containing a PBT-based material and a laser absorptive molding member containing a PBT-based material are integrated with each other by laser welding, the following laser welded body is proposed as a laser welded body in which a bond strength can be further increased. A laser welded body having a structure in which a member I and a member II are integrally bonded to each other, the member I contains 0.0005 to 5.0 parts by mass, with respect to 100 parts by mass of a polyester-based resin A, of a laser transmissive/absorptive coloring material capable of transmitting and absorbing laser beam, and the polyester-based resin A contains at least a polybutylene terephthalate copolymer resin, the member II contains 0.15 to 10.

Abstract: A resin composition for laser welding contains: relative to 100 mass parts of (A) a thermoplastic polyester resin material that contains a polybutylene terephthalate homopolymer and at least one of a polybutylene terephthalate copolymer, a polyethylene terephthalate resin, and a polycarbonate resin, 0.0005 to 0.5 mass parts of (B) nigrosine; and 0.01 to 2 mass parts of (C) a colorant containing at least an anthraquinone dye C1 having a maximum absorption wavelength in a range of 590 to 635 nm, a perinone dye C2 having a maximum absorption wavelength in a range of 460 to 480 nm, and an anthraquinone dye C3 having a maximum absorption wavelength in a range of 435 to 455 nm, at C1:C2:C3=24 to 41:24 to 39:22 to 46 as the mass ratio relative to 100 mass parts for a total of C1, C2, and C3.

Abstract: A polycarbonate resin composition comprising, 100 mass parts of (A1) a polycarbonate resin that contains a polycarbonate resin having a structural unit of the following general formula (1) and (A2) a polycarbonate resin having a structural unit of the general formula (2) in a mass ratio (A1)/(A2) of 100/0 to 10/90; 3 to 20 mass parts of a phosphorus flame retardant (B); 2 to 20 mass parts of a silicone flame retardant (C); and 3 to 100 mass parts of an inorganic filler (D), wherein the phosphorus flame retardant (B) is a phosphazene compound and/or a condensed phosphate ester, [C1]

Abstract: A polypropylene resin composition may include an amount of 40 to 60 wt % of a polypropylene resin, an amount of 1 to 10 wt % of a polyethylene resin, an amount of 10 to 20 wt % of an olefin elastomer, and an amount of 1 to 20 wt % of a reinforcing material wherein all the wt % are based on the total weight of the polypropylene resin composition. Accordingly, a high gloss may be obtained without a coating process and moldability of the polypropylene resin may be obtained. Further provided is a molded article of an interior material or an exterior material of a vehicle manufactured by using the polypropylene resin composition.

Abstract: A polycarbonate resin composition for an optical component, the composition comprising 0.1 to 4 parts by mass of a polyalkylene glycol (B) and 0.005 to 0.5 parts by mass of a phosphorus-containing stabilizer (C) relative to 100 parts by mass of a polycarbonate resin (A), wherein the polyalkylene glycol (B) contains 40 to 80 mol % of a tetramethylene glycol unit (b1), 5 to 45 mol % of a (2-methyl)ethylene glycol unit (b2), and 5 to 50 mol % of an ethylene glycol unit (b3), and wherein at least two units selected from the tetramethylene glycol unit (b1), the (2-methyl)ethylene glycol unit (b2), and the ethylene glycol unit (b3) are contained as a copolymer component obtained by copolymerizing them.

Abstract: Provided are: a polyester resin composition that exhibits excellent flame retardancy and melt thermal stability and also exhibits excellent laser markability; and a method for producing same. The present invention provides: a polyester resin composition containing 3 to 60 parts by mass of a brominated polyacrylate flame retardant (B) relative to 100 parts by mass of a thermoplastic polyester resin (A), this brominated polyacrylate flame retardant (B) having a Na element concentration of 5 to 4000 ppm, as measured by X-Ray fluorescence analysis; and a production method including washing the brominated polyacrylate flame retardant (B) with hot water having a temperature of 40° C. to 100° C., then drying the washed product, and then mixing the dried product with the thermoplastic polyester resin (A).

Abstract: Provided is a polyester resin composition for laser direct structuring, which exhibits high platability and excellent mechanical properties. This polyester resin composition for laser direct structuring is characterized by containing a laser direct structuring additive (C) at a quantity of 1 to 20 parts by mass relative to a total of 100 parts by mass of a thermoplastic polyester resin (A) and a thermoplastic resin (B) having a water absorption rate of 0.15 mass % or more, as measured using the ISO 62A method.

Abstract: Provided is a polycarbonate resin composition that exhibits an excellent flame retardancy and impact resistance as well as an excellent hue and moist heat resistance. The polycarbonate resin composition characteristically contains, per 100 mass parts of a polycarbonate resin (A), 0 to 40 mass parts of a graft copolymer (B) comprising an aromatic vinyl monomer component (b1), a vinyl cyanide monomer component (b2), and a diene rubber polymer component (b3); 10 to 30 mass parts of a phosphate ester compound (C); 0.001 to 1.0 mass parts of a phosphite antioxidant (D); and 0.00001 to 0.1 mass parts of 2,4-di-tert-butylphenol (E).

Abstract: A polyester resin composition is provided that exhibits a low shrinkage ratio and excellent mold release properties while maintaining a high mechanical strength, that also provides excellent surface properties and an excellent appearance for a molded article and an excellent appearance when vapor deposited, and that resists the production of fogging even during high-temperature use. An injection molded article, a light-reflecting base body, and a light-reflecting body are also provided. The polyester resin composition characteristically contains 0.1 to 20 mass parts of (B) an inorganic filler having an average primary particle diameter of not more than 2.5 ?m, per 100 mass parts of (A) a resin component containing (A1) polybutylene terephthalate resin pellets and (A2) a polyester resin powder.

Abstract: Provided are a polycarbonate resin composition for a thin optical component that has a high transmittance and a good hue, and a thin optical component. The polycarbonate resin composition for a thin optical component contains, per 100 mass parts of a polycarbonate resin (A), 0.1 to 4 mass parts of a polyalkylene glycol copolymer (B) having a linear alkylene ether unit (B1) given by general formula (I) and a branched alkylene ether unit (B2) selected from units given by general formulas (II-1) to (II-4), and 0.005 to 0.5 mass parts of a phosphorus stabilizer (C).

Abstract: Provided are: a polycarbonate resin composition which has excellent mechanical properties and wet heat resistance while being free from the problem of mold contamination due to mold deposits; and a production method which is capable of producing this polycarbonate resin composition with high productivity. A polycarbonate resin composition containing 60% to 95% by mass of a polycarbonate resin (A) and 40% to 5% by mass of an emulsion polymerized styrene-based resin (B), based on 100% by mass of a total of (A) and (B), wherein the emulsion polymerized styrene-based resin (B) is a graft copolymer of a styrenic monomer-vinyl cyanide monomer and/or an alkyl (meth)acrylate monomer-rubbery polymer; and a total amount of gas in a case where the resin composition is heated at 280° C. for 10 minutes is 3000 ppm or less in terms of mass of decane.

Abstract: Provided is a polycarbonate resin composition that can block ultraviolet light as well as light on the visible light side therefrom at wavelengths of 400 to 420 nm, and that is free of the problem of gas generation during molding. The polycarbonate resin composition characteristically comprises, per 100 parts by mass of a polycarbonate resin (A), (i) 0.02 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B1) having a maximum absorption wavelength of at least 375 nm in the absorption curve determined according to JIS K 7105 using the following formula, or (ii) 0.08 to 1 parts by mass of a sesamol group-containing benzotriazole ultraviolet absorber (B2) having a maximum absorption wavelength of at least 360 nm and less than 375 nm in the absorption curve determined according to JIS K 7105 using the following formula; and 0.01 to 0.5% by mass of a stabilizer (C).

Abstract: Provided is a polybutylene terephthalate resin composition containing, with respect to 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a total of 30 to 60 parts by mass of at least two different brominated flame retardants selected from the group consisting of a brominated epoxy compound, a brominated polycarbonate compound and a brominated polystyrene compound, (C) 5 to 15 parts by mass of an antimony compound, (D) 5 to 30 parts by mass of an elastomer, and (E) 0.5 to 3 parts by mass of a mold-release agent.

Abstract: Provided is a polycarbonate resin composition that exhibits an excellent light resistance and an excellent resistance to moist heat and is free of the problem of mold staining. The polycarbonate resin composition comprises 0.12 to 0.8 mass parts of an N-alkyl hindered amine compound (C-1) and/or 0.12 to 0.8 mass parts of an N—OR hindered amine compound (C-2), per 100 mass parts of the total of (A) and (B) composed of more than 50 mass parts to not more than 95 mass parts of an aromatic polycarbonate resin (A) and less than 50 mass parts to at least 5 mass parts of an aromatic vinyl-diene-vinyl cyanide copolymer (B).

Abstract: A resin composition for laser welding contains: relative to 100 mass parts of (A) a thermoplastic polyester resin material that contains a polybutylene terephthalate homopolymer and at least one of a polybutylene terephthalate copolymer, a polyethylene terephthalate resin, and a polycarbonate resin, 0.0005 to 0.5 mass parts of (B) nigrosine; and 0.01 to 2 mass parts of (C) a colorant containing at least an anthraquinone dye C1 having a maximum absorption wavelength in a range of 590 to 635 nm, a perinone dye C2 having a maximum absorption wavelength in a range of 460 to 480 nm, and an anthraquinone dye C3 having a maximum absorption wavelength in a range of 435 to 455 nm, at C1: C2:C3=24 to 41:24 to 39:22 to 46 as the mass ratio relative to 100 mass parts for a total of C1, C2, and C3.

Abstract: Provided are: a polyester resin composition that exhibits excellent flame retardancy and melt thermal stability and also exhibits excellent laser markability; and a method for producing same. The present invention provides: a polyester resin composition containing 3 to 60 parts by mass of a brominated polyacrylate flame retardant (B) relative to 100 parts by mass of a thermoplastic polyester resin (A), this brominated polyacrylate flame retardant (B) having a Na element concentration of 5 to 4000 ppm, as measured by X-Ray fluorescence analysis; and a production method including washing the brominated polyacrylate flame retardant (B) with hot water having a temperature of 40° C. to 100° C., then drying the washed product, and then mixing the dried product with the thermoplastic polyester resin (A).

Abstract: Provided is a polyester resin composition for laser direct structuring, which exhibits high platability and excellent mechanical properties. This polyester resin composition for laser direct structuring is characterized by containing a laser direct structuring additive (C) at a quantity of 1 to 20 parts by mass relative to a total of 100 parts by mass of a thermoplastic polyester resin (A) and a thermoplastic resin (B) having a water absorption rate of 0.15 mass % or more, as measured using the ISO 62A method.

Abstract: A laser welding member that has a high laser transmittance at a welding region and exhibits an excellent laser welding processability, and a molded article obtained by laser welding using this laser welding member. The laser welding member is obtained by injection molding of a thermoplastic polyester resin material, wherein a region to be laser welded in the member is at a location separated by a distance of at least 15 mm from a gate of an injection molding mold and has at least 30% of a light transmittance of laser light with a wavelength of 940 nm.

Abstract: Provided is an aromatic polycarbonate resin composition that is excellent in terms of hue and thermal yellowing-inhibiting effect and is suitable for light guide members incorporated in automobile lighting devices. The aromatic polycarbonate resin composition comprises: 100 parts by mass of an aromatic polycarbonate resin (A); 0.001 to 0.1 parts by mass of a phosphite stabilizer (B-I) as a phosphorus-based stabilizer (B) having a spiro ring skeleton; 0.01 to 0.5 parts by mass of a phosphite stabilizer (B-II) as a phosphorus-based stabilizer (B) represented by general formula (II) below; 0.05 to 2 parts by mass of a polybutylene glycol compound (C); and 0.0005 to 0.2 parts by mass of an epoxy compound (D). In the formula (II), R21 to R25 each independently represent a hydrogen atom, an aryl group having 6 to 20 carbon atoms, or an alkyl group having 1 to 20 carbon atoms.

Abstract: Provided are: a polycarbonate resin composition which has excellent mechanical properties and wet heat resistance while being free from the problem of mold contamination due to mold deposits; and a production method which is capable of producing this polycarbonate resin composition with high productivity. A polycarbonate resin composition containing 60% to 95% by mass of a polycarbonate resin (A) and 40% to 5% by mass of an emulsion polymerized styrene-based resin (B), based on 100% by mass of a total of (A) and (B), wherein the emulsion polymerized styrene-based resin (B) is a graft copolymer of a styrenic monomer-vinyl cyanide monomer and/or an alkyl (meth)acrylate monomer-rubbery polymer; and a total amount of gas in a case where the resin composition is heated at 280° C. for 10 minutes is 3000 ppm or less in terms of mass of decane.