Patent ID: 8367197
Filing Date: 2013-02-05
Classification: C08G,C08J,C08K,Y10T

Abstract:
1. A rigid polyurethane foam comprising: an ionic liquid; wherein the ionic liquid is represented by Formula 1: wherein the cation A and R 30 R 31 R 32 R 33 P + , wherein R 1 to R 25 and R 30 to R 33 each are independently hydrogen, an alkyl or heteroalkyl having 1 to 20 carbon atoms, an alkenyl or heteroalkenyl having 1 to 20 carbon atoms, an alkoxyl or heteroalkoxyl having 1 to 20 carbon atoms, an aryl or heteroaryl having 4 to 20 carbon atoms, a fluoroalkyl having 1 to 20 carbon atoms, or cyano group; B is carbon, oxygen or nitrogen.