Chemical blowing agent

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

400/102, 403/43

C08G 18/30 (2006.01) C08G 18/22 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) C08J 9/02 (2006.01) C08J 9/08 (2006.01)

Patent

CA 2025397

E 35432 ABSTRACT Novel Chemical Blowing Agent A method for the preparation of polymeric foams which comprises reacting an organic polyisocyanate with a cyclic carbonate having at least one isocyanate-reactive substitutent attached to the carbonate ring.

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