Patent ID: 8552077
Filing Date: 2013-10-08
Classification: B01J,C08G,C08J

Abstract:
1. A method for preparing a polyisocyanurate/polyurethane foam which comprises contacting at least one polyisocyanate with a premix comprising at least one polyol, at least one blowing agent and a catalytically effective amount of a catalyst composition comprising a solution of at least one diluent and a contact product of at least one α,β-unsaturated carboxylate salt comprising at least one member selected from the group consisting of potassium acrylate, tetramethylammonium acrylate, tetraethylammonium acrylate, tetrapropylammonium acrylate, tetrabutylammonium acrylate, potassium methacrylate, tetramethylammonium methacrylate, tetraethylammonium methacrylate, tetrapropylammonium methacrylate, tetrabutylammonium methacrylate, mono-potassium fumarate, bis-potassium fumarate, mono-tetramethylammonium fumarate, bis-tetramethylammonium fumarate, potassium tetramethylammonium fumarate, mono-tetraethylammonium fumarate, bis-tetraethylammonium fumarate, potassium tetraethylammonium fumarate, mono-tetrapropylammonium fumarate, bis-tetrapropylammonium fumarate, potassium tetrapropylammonium fumarate, mono-tetrabutylammonium fumarate, bis-tetrabutylammonium fumarate, potassium tetrabutylammonium fumarate or any combination thereof; and at least one second carboxylate salt comprising potassium pivalate.