ELASTOMER BLENDS OF POLYESTERS AND COPOLYETHERESTERS DERIVED FROM POLYETHYLENE TEREPHTHALATE, METHOD OF MANUFACTURE, AND ARTICLES THEREFROM

摘要

A composition comprising: (1) from 50 to 99 wt% of a modified, random copolyetherester containing: (i) a modified, random polybutylene terephthalate copolymer block that is derived from a polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers and combinations thereof; and that contains at least one residue derived from the polyethylene terephthalate component; and (ii) a polyalkylene oxide copolymer block that is derived from a polyethylene terephthalate component and polyalkylene oxide glycol, and contains polyalkylene oxide and at least one residue derived from the polyethylene terephthalate component; and (2) from 1 to 50 wt% of a polyester; wherein the copolyetherester, the polyester, and optionally any additives, are present in a total amount of 100 wt%.