Patent ID: 7915372
Filing Date: 2011-03-29
Classification: C08G,Y10T

Abstract:
1. A thermoplastic polyurethane comprising: at least one group comprising at least two organosilicon groups obtained by reaction of a mixture comprising: a) isocyanates consisting of diisocyanates; b) compounds which are reactive toward isocyanates; c) chain extenders comprising isocyanate reactive groups; and i) compounds comprising one group reactive to isocyanate groups and at least two organosilicon groups, wherein the thermoplastic polyurethane is a solid having a Shore hardness of 50 A to 80D, a molar ratio of the b) compounds which are reactive toward isocyanates and c) chain extenders to the i) compounds comprising one group reactive to isocyanate groups and at least two organosilicon groups in the reaction, is from 5:1 to 20:1, and the at least one group consisting of at least two organosilicon groups is located at a chain terminal of the thermoplastic polyurethane.