Highly branched polyamide graft copolymers

摘要

The set of highly branched polyamide graft copolymers comprises 0.5-25 per cent by weight relative to the graft copolymer, of a polyamine with at least 11 nitrogen atoms, lactams or omega amino carboxylic acid based polyamide former monomers, and oligo carboxylic acid. The oligo carboxylic acid contains 0.015-3 and 0.01-1.2 di- and tricarboxylic acid moles relative to the lactams.