Preparation of flexible, molded, cold-cure polyurethane foams

Details Preparation of flexible, molded, cold-cure polyurethane foams Preparation of flexible, molded, cold-cure polyurethane foams

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/66 (2006.01) C08G 18/76 (2006.01) C08J 9/04 (2006.01)

Patent

CA 2089318

The present invention is directed to a process for the preparation of molded cold-cure polyurethane flexible foams. The process requires the use of aromatic polyisocyanates, a specifed mixture of polyether polyols which have specified ethylene oxide contents and a specified amount of water as blowing agent. The reaction is conducted in a closed mold at an isocyanate index of from 80 to 120.

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