Patent ID: 6251988
Filing Date: 2001-06-26
Classification: C08G,C14C,D06M

Abstract:
A solution of a polyurethane in an organic solvent, wherein the polyurethane comprises the reaction product ofa) an at least difunctional polyol having a number average molecular weight of 500 to 16,000,b) an at least difunctional polyisocyanate having a number average molecular weight of 140 to 1500,c) optionally a low molecular weight at least difunctional alcohol and/or amine having a number average molecular weight of 32 to 500 andd) at least one monoamino-functional heterocyclic compound in an amount of 0.1 to 3 wt. %,wherein the reaction product has a molecular weight between 25,000 and 250,000.