Patent ID: 6133395
Filing Date: 2000-10-17
Classification: C08G,Y10S

Abstract:
A one-component moisture curable polyurethane composition comprising:(A) a urethane prepolymer having isocyanate terminal groups; and(B) at least one silane compound containing an average of at least 1.5 NCO groups, and an average of at least 1.5 hydrolyzable alkoxy groups, the silane compound being selected from the group consisting of (i) a silane compound prepared by an addition reaction of a polyisocyanate compound having at least 3 NCO groups and a secondary aminoalkoxysilane, wherein the polyisocyanate compound is prepared by an addition reaction of a polyol selected from the group consisting of trimethylolpropane, 1,2,5-hexanetriol glycerin, and pentaerythritol, and a diisocyanate and (ii) a silane compound having a lysine structure, and which is prepared by an addition reaction of a lysine isocyanate having 2 or 3 isocyanate groups with a secondary aminoalkoxysilane.