A MOISTURE-HARDENING COATING COMPOSITION AND METHOD FOR ITS PRODUCTION

摘要

The present invention relates to of a coating composition containing a moisture-hardening binder based on organic polyisocyanates which is prepared by forming a mixture containing at least those auxiliaries and additives which are not completely dry and an isocyanate component a) which has an average NCO functionality of 1.05 to 1.8 and is based on the reaction product of a1) a polyisocyanate mixture of the diphenylmethane series with a2) a monohydric C1-26 alkanol which may contain ether bridges, and after the isocyanate/water reaction is substantially complete, further mixing the mixture with an isocyanate component b) which has an isocyanate content of 2.5 to 25% by weight and any remaining auxiliaries and additives, the quantities of components a) and b) corresponding to a weight ratio of a) to b) of 1:1 to 1:30. The present invention also relates to a process for the preparation of these coating compositions.