Process for rapid curing of polyether polyurethane foam

Details Process for rapid curing of polyether polyurethane foam Process for rapid curing of polyether polyurethane foam

B - Operations, Transporting

29

C

18/650

B29C 67/20 (2006.01) C08G 18/10 (2006.01) C08J 9/36 (2006.01)

Patent

CA 1248722

Process For Rapid Curing of Polyether Polyurethane Foam Abstract of Disclosure A process for the rapid post curing of polyether poly- urethane foam in the form of porous blocks in which the foam is subjected to a mixture of water vapor and gaseous ammonia, primary or secondary amines at a temperature of about 50 to 150°F. For a period of 1 or more minutes. The cured foam recovers its original dimensions when distorted or compressed after the distortion or compression force is released.

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