Patent ID: 7652079
Filing Date: 2010-01-26
Classification: C08K,C08L

Abstract:
1. A polybutylene terephthalate resin composition for vibration welding, comprising (A) 100 parts by weight of a polybutylene terephthalate resin obtained by the polycondensation of terephthalic acid or ester derivative thereof with an alkylene glycol having 4 carbon atoms or an ester derivative thereof; (B) 20 to 100 parts by weight of a modified polyester copolymer comprising 5 to 30% by mole of a comonomer; (C) 5 to 30 parts by weight of an elastomer selected from the group consisting of an acrylic-base copolymer having a glycidyl group and a terpolymer of an α-olefin, an α,β-unsaturated carboxylic acid or an ester thereof and an α,β-unsaturated carboxylic glycidyl ester; and (D) 60 to 150 parts by weight of glass fiber.