Patent ID: 8609800
Filing Date: 2013-12-17
Classification: C08G,C09J

Abstract:
1. A method for manufacturing a silylated polyurethane, comprising (A) reacting (i) at least one polyol compound, having a polyoxyalkylene backbone having a number average molecular weight between 8,000 and 20,000 daltons and a polydispersity of less than 2, with (ii) a diisocyanate, with a stoichiometric excess of the diisocyanate compound with respect to the OH groups of the polyol compound or compounds, with the result that a polyurethane prepolymer that is isocyanate-terminated is formed; and (B) reacting the polyurethane prepolymer with one or more OH-terminated silanes of formula (I): in which m is equal to 0, 1, or 2, R