Patent ID: 7923506
Filing Date: 2011-04-12
Classification: C08K,C08L

Abstract:
1. A molding composition comprising: (a) from 20 to 49.9 wt % of a first polyester component having an intrinsic viscosity ranging from 0.5 to 1.0 and comprising: a first polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers and (2) has at least one residue derived from the polyethylene terephthalate component, and (b) from 20 to 49.9 wt % of a second polyester component having an intrinsic viscosity ranging from 1.1 to 1.4 and comprising: a second polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers and (2) has at least one residue derived from the polyethylene terephthalate component, and (c) from 0.01 to 20 wt. % of a carboxy reactive component; wherein the first polyester component, the second polyester component, and optionally at least one additive, are present in a total amount of 100 wt %.