Fast-crystallizing polyester compositions.

摘要

Fast-crystallizing polyester compositions comprising a mixture consisting or consisting essentially of a polyester thermoplastic resin and of a nucleating agent selected from organic acid salts having the formula: <CHEM> wherein: -- R is an aromatic, cycloaliphatic or heterocyclic radical, optionally substituted in the ring; -- R1 and R2 may be hydrogen or an alkyl radical containing from 1 to 4 C; -- Me is an alkali or alkaline-earth metal, and -- n is zero or an integer from 1 to 3.