Process for producing foams

Details Process for producing foams Process for producing foams

C - Chemistry, Metallurgy

08

G

403/38

C08G 18/08 (2006.01) C08J 9/14 (2006.01)

Patent

CA 2031681

HOE 89/F 386K Abstract of the disclosure Process for producing foams The invention relates to a process for producing foams based on polyisocyanates by reacting polyisocyanates, compounds having at least two hydrogen atoms reactive towards isocyanate groups, blowing agents and, if appropriate, further additives. In this process, a blowing agent is used which is composed to the extent of at least 10 mol % of one or more fluorinated ethers of the formula I CaHbFc - O - CdHeFf where a = 1-6 d = 1-2 b = 1-12 e = 0-5 c = 1-12 f = 0-5.

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