Silicon-terminated polyurethane polymer
AssigneeEssex Chemical Corporation
InventorsSidky D. Rizk, Harry W. S. Hsieh, John J. Prendergast
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Abstract
What are disclosed are the method of making a moisture-curable silicon terminated organic polymer which comprises reacting a polyurethane prepolymer having terminal active hydrogen atoms with an isocyanato organosilane having at least one hydrolyzable alkoxy group bonded to silicon, silicon terminated organic polymers so produced, and moisture-curable sealant compositions comprising such a silicon terminated polymer.
Claims25
The method of making a moisture-curable silicon terminated polymer which comprises reacting a polyurethane prepolymer having terminal active hydrogen atoms with an isocyanato organosilane having a terminal isocyanate group and at least one hydrolyzable alkoxy group bonded to silicon.
Dependencies are inferred from the claim text.