Patent ID: 6630230
Filing Date: 2003-10-07
Classification: C08L

Abstract:
A polyester resin composition consisting of(a) an amorphous polyethylene terephthalate resin, (b) a polyester ether resin in admixture at a weight ratio of 97/3 to 50/50, wherein the polyester ether resin (b) is prepared by copolycondensation of (b1) dicarboxylic acid and/or ester derivative thereof consisting mainly of an aromatic dicarboxylic acid and/or ester derivative thereof, and (b2) diols consisting mainly of a C2-C6 alkylene glycol and a poly(C2-C4 alkylene oxide) glycol, and segments derived from the poly(C2-C4 alkylene oxide) glycol constitute 1 to 30% by weight of the polyester ether resin (b), and the polyester ether resin (b) has a peak temperature of tan &dgr; of 20 to 60Â° C., and optionally (c) an auxiliary selected from the group consisting of agents for imparting slipping property, lubricants, antioxidants and colorants.