PROCESSES FOR MOISTURE SCAVENGING IN PREPARING POLYURETHANE COATINGS AND COMPOSITIONS THEREFOR
申请人:Achiewell, LLC
公开号:US20170114247A1
公开(公告)日:2017-04-27
Methoxyorganosilicon compounds having an electron withdrawing group on the silicon atom in combination with tertiary methylamine catalysts having hydrophobic substituents can effectively, even at ambient temperatures, reduce water content in polyurethane coating compositions by catalytic transalkylation to produce methanol and a hydroxy group on the silicone compound without unduly adversely affecting the polyurethane coating.