Patent ID: 7129312
Filing Date: 2006-10-31
Classification: C08G,C09J,Y10S

Abstract:
1. A reactive polyurethane composition comprising a reaction product of one or more polyols having a molecular weight range of 400 to 20,000 and one or more diisocyanate prepolymers containing no more than 10 wt. % monomeric diisocyanate based on the weight of the diisocyanate prepolymer, wherein said diisocyanate prepolymers are, in turn, the reaction product of one or more diols having a number average molecular weight of less than 2000 and a 1.2:1 to 10:1 stoichiometric excess of one or more monomeric diisocyanates having a molecular weight of less than 500, followed by separation from or removal of unreacted monomeric diisocyanate from said diisocyanate prepolymer; said reactive polyurethane composition comprising terminal isocyanate groups; wherein the polyol and the diol are not identical.