Polyester composition and production thereof

摘要

A polyester composition for molding having improved molding properties is disclosed, comprising 100 parts by weight of a polyester comprising mainly polyethylene terephthalate and 0.05 to 10 parts by weight of an aromatic polyamide as a nucleating agent which is uniformly dispersed in the polyester in a substantial size of 50 mu m or less. A process for producing the polyester composition is also disclosed.