| abstract |
The present invention relates to molding compositions containing the components, a) one or more polyisocyanates, b) one or more polyols, c) one or more catalysts which catalyze the reaction between polyisocyanate and polyol, and d) one or more pyrogenically prepared oxides of a metal or metalloid , which are characterized in that they contain as further component e) at least one or more siloxanes, moldings obtainable using these molding compositions and a process for the preparation of the moldings. |