PROCESS FOR THE PREPARATION OF A POLYURETHANE STRUCTURAL SUPPORT

摘要

The present invention is directed to a process of preparing a polyurethane structural support by spraying a specific polyurethane onto a substrate. The polyurethane is prepared by reacting a specific polyol blend, an organic diamine, and an isocyanate in the presence of a moisture absorbing material and a polysiloxane defoaming agent.