Process for the manufacture of elastic polyurethane foams...

Details Process for the manufacture of elastic polyurethane foams... Process for the manufacture of elastic polyurethane foams...

C - Chemistry, Metallurgy

08

G

403/41, 403/43

C08G 18/65 (2006.01) C08G 18/32 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1141098

ABSTRACT OF THE DISCLOSURE The instant invention is directed to a process for the production of elastic polyurethane foams capable of being flame laminated and high frequency welded, comprising reacting (a) polyisocyanates with (b) polyethers having a molecular weight of from 400 to 10,000 and having at least two hydroxy; groups and (c) hydroxy-pivalic acid neopentylglycol ester of the formula: Image used in a quantity of from 1 to 20% by weight, based on the hydroxyl polyether, in the presence of a blowing agent. The instant invention is also directed to the poly- urethane foams prepared thereby. LeA 19,893

359081

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