Highly branched polyamide graft copolymers

Details Highly branched polyamide graft copolymers Highly branched polyamide graft copolymers

C - Chemistry, Metallurgy

08

G

C08G 69/08 (2006.01) C08G 69/02 (2006.01) C08G 69/26 (2006.01) C08G 69/48 (2006.01)

Patent

CA 2312457

A graft copolymer prepared using the following monomers: a) from 0.5 to 25% by weight, based on the graft copolymer, of a polyamine having at least 11 nitrogen atoms and a number-average molar mass Mn of at least 500 g/mol; b) polyamide-forming monomers selected from the group consisting of lactams and .omega.-amino-carboxylic acids; c) oligocarboxylic acid selected from the group consisting of from 0.015 to about 3 mold of dicarboxylic acid and from 0.01 to about 1.2 mol% of tricarboxylic acid, in each case based on lactam and/or .omega.-aminocarboxylic acid, where the amino group concentration in the graft copolymer is from 100 to 2500 mmol/kg, has improved resistance to solvents and fuels.

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