Reaction of carbonylhydrazines and organic peroxides to foam...

Details Reaction of carbonylhydrazines and organic peroxides to foam... Reaction of carbonylhydrazines and organic peroxides to foam...

C - Chemistry, Metallurgy

08

K

403/57, 403/84

C08K 3/00 (2006.01) C08J 9/06 (2006.01) C08K 5/09 (2006.01) C08L 67/06 (2006.01)

Patent

CA 1217900

-i- ABSTRACT OF DISCLOSURE Low density foams are prepared from an admixture which comprises a medium which is polymerizable and/or crosslinkable by free radical initiation, carbonylhydrazine blowing agent, a peroxide curing agent, a suitable surfactant, and at least one transition metal salt promoter wherein at least one of the metal salts is a compound of iron or copper. The blowing agent in the presence of an effective amount of the transitional metal salt promoter improves the efficiency of the process.

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