Process for making polyurethane foams

Details Process for making polyurethane foams Process for making polyurethane foams

C - Chemistry, Metallurgy

08

J

403/30, 18/652

C08J 9/38 (2006.01) C08G 18/28 (2006.01) C08G 18/61 (2006.01) C08J 9/00 (2006.01) C08L 83/12 (2006.01)

Patent

CA 1128699

BP Case No. 4771 ABSTRACT OF THE DISCLOSURE Cold cured moulded polyurethane flexible foams having improved vibration damping properities are made by foaming in the presence of (1) a high molecular weight predominantly linear siloxane polyoxyalkylent block copolyner and (2 ) a solvent which is compatible with the block copolymer and which has a viscosity of 3 to loo cps and a surface tension between 15 and 60 dynes/cm.

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