Method for producing a rigid foamed synthetic resin

Details Method for producing a rigid foamed synthetic resin Method for producing a rigid foamed synthetic resin

C - Chemistry, Metallurgy

08

G

C08G 18/76 (2006.01) C08G 18/28 (2006.01) C08G 18/48 (2006.01) C08G 18/50 (2006.01) C08J 9/00 (2006.01) C08J 9/228 (2006.01) C08K 5/06 (2006.01)

Patent

CA 2393903

A method for producing a rigid foamed synthetic resin, which comprises reacting a polyol with a polyisocyanate compound in the presence of water, a catalyst and a fluorine-containing compound of the formula 1: R f-O- (A-O)n-R Formula 1 where in the formula 1, R f is a C2-27 fluorine-containing organic group, n is an integer of from 1 to 100, A is an alkylene group having a carbon number in the straight chain portion between bonds of from 2 to 4, provided that when n is from 2 to 100, the plurality of A may be the same or different, and R is a hydrogen atom, a C1-18 alkyl group or a C1-18 aryl group .

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