Process for producing foams with the aid of fluoroalkanes

Details Process for producing foams with the aid of fluoroalkanes Process for producing foams with the aid of fluoroalkanes

C - Chemistry, Metallurgy

08

G

403/37

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

Patent

CA 2031970

HOE 89/F 392K Abstract of the disclosure Process for producing foams with the aid of fluoroalkanes 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 fluoroalkanes of the formula I CaHbFc where a = 4-6, b = 1-12 and c = 2-13.

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