Patent ID: 7622542
Filing Date: 2009-11-24
Classification: C08G

Abstract:
1. Plastic moldings comprising optionally filled polyurethanes, in which the polyurethane comprises the reaction product of: a) at least one polyisocyanate and/or polyisocyanate prepolymer; b) an isocyanate-reactive component comprising: c) at least one chain extender and/or crosslinking agent and which contains from 2 to 6 hydroxyl groups per molecule and has a molecular weight of 62 to 499; d) at least one trimerization catalyst; e) optionally, one or more urethane catalysts; f) optionally, one or more blowing catalysts; g) optionally, one or more stabilizers and/or auxiliary substances; and h) optionally, one or more reinforcing agents; wherein the isocyanate index is from 200 to 1000, and said moldings have a density of at least 0.8 g/cm 3 .