Patent ID: 8697830
Filing Date: 2014-04-15
Classification: C08G

Abstract:
1. A light-stable, sinterable, thermoplastic polyurethane comprising the reaction product of a) an isocyanate component comprising: b) a chain extender component comprising: c) at least one polyol component with a number average molecular weight of 450 to 6000 g/mol, in the presence of d) optionally, one or more catalysts, with the addition of e) from 0.1 to 5 wt. %, based on weight of the thermoplastic polyurethane, of light stabilizers, f) optionally, further additives and/or auxiliary substances and g) optionally, one or more chain terminators, in which the ratio of the isocyanate groups of a) to isocyanate-reactive groups of b), c) and g) is from 0.9:1 to 1.1:1.