Patent ID: 6355358
Filing Date: 2002-03-12
Classification: B32B,C08G,C08L,Y10T

Abstract:
A thermoplastic multilayer composite which comprises:I) at least one layer I of a thermoplastic molding composition; II) at least one layer II of a further thermoplastic molding composition; and at least one layer of an adhesion promoter disposed between at least one layer I and at least one layer II, wherein said adhesion promoter comprises at least 5% by weight of a graft copolymer comprising the following monomers: a) from 0.5 to 25% by weight, based on the total amount of graft copolymer, of a polyamine having at least 4 nitrogen atoms and having a number average molecular weight Mn of at least 146 g/mol, and b) polyamide-forming monomers selected from the group consisting of lactams, &ohgr;-aminocarboxylic acids, equimolar mixtures of diamines and dicarboxylic acids, and mixtures thereof.