Patent ID: 8022146
Filing Date: 2011-09-20
Classification: C08F,C08L

Abstract:
1. A thermoplastic copolymer (A) which comprises: A1: from 38 to 58 mol-percent, based on the copolymer, of at least one of the monomers from the group consisting of acrylonitrile, acrylate, methacrylate and N-phenyl-maleic imide; and A2: from 42 to 62 mol-percent, based on the copolymer, of a mixture of para-alpha-dimethylstyrene with alpha-methylstyrene, whereby the weight ratio of the components para-alpha-dimethylstyrene and alpha-methyl-styrene is between 1 to 4 and 4 to 1.