Patent ID: 7041725

Claim:
A modified polyurethane comprising i) at least one polyurethane obtained from an organic polyisocyanate, polyol and, optionally, chain extender and/or crosslinker, ii) at least one polymer modifier composed of at least one swellable graft rubber having a particulate structure which is dispersible in an organic polyisocyanate comprising from 20 to 80 wt. % of a rubber polymer having a glass transition temperature below 0° C. with the remainder being a grafted-on vinyl monomer and/or acrylic monomer, iii) at least one filler which is soluble in a pickling solution for electroplating of plastics and has a mean particle size of from 0.02 to 0.5 μm and a bulk density of from 170 to 500 kg/m 3 , and iv) optionally, one or more other conventional auxiliaries, additives and/or catalysts.