VULCANIZABLE SILICON TERMINATED POLYURETHANE POLYMERS

• US 3,632,557 A
• Filed: 09/18/1968
• Issued: 01/04/1972
• Est. Priority Date: 03/16/1967
• Status: Expired due to Term

• Current Assignee: George L. Brode, Louis B. Conte Jr
• Original Assignee: George L. Brode, Louis B. Conte Jr
• Inventors: Brode, George L., Conte, Louis B. Jr.
• Application Number:
  US04/760,660
• Time in Patent Office: 1,203 Days
• US Class Current: 528/28
• CPC Class Codes: C08G 18/10 Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• CPC Class Codes: C08G 18/289 containing silicon
• CPC Class Codes: C09K 3/1021 Polyurethanes or derivatives thereof
• CPC Class Codes: Y10S 528/901 Room temperature curable silicon-containing polymer

Abstract

A ROOM TEMPERATURE CURABLE SILICON TERMINATED ORGANIC POLYMER COMPRISING AN ISOCYANATE TERMINATED POLYURETHANE PROPOLYMER CONTAINING AT LEAST TWO URETHANE LINKAGES PER POLYMER MOLECULE, WHEREIN THE ISOCYANATE TERMINAL GROUPS HAVE BEEN REACTED WIGH AN ORGANOSILICON COMPOUND TO TERMINATE, THAT IS CAP OR ENDBLOCK SAID POLYMERS WITH ORGANOSILICON GROUPS.

Claims