Patent ID: 7504052
Filing Date: 2009-03-17
Classification: C08K

Abstract:
1. An antistatic and electrically conductive, thermoset or thermoplastic polyurethane produced by reacting at least one isocyanate with at least one compound containing NCO-reactive groups, optionally in the presence of one or more selected from catalysts, blowing agents, auxiliary substances and additives, wherein the polyurethanes contain A) conductive carbon black and B) carbon fibers, in a weight ratio of conductive carbon black (A) to carbon fibers (B) of about 1:2 to about 1:15 and the total quantity of (A) and (B) is about 1 to about 15 wt. %, based on the total weight of polyurethane and the carbon fibers have a diameter from about 6 μm to about 10 μm.