Process of molding products by rim

摘要

The present invention relates to the use of organic compounds which contain epoxide groups and which are subjected to a heat treatment at 30 DEG to 150 DEG C. in the presence of an alkylating agent, as auxiliary substances to increase the weather resistance of molded plastic parts. These molded parts are produced by the reaction injection molding technique and the process comprises reacting reaction mixtures based on polyioscyanate addition products.