Process for making graft polyols using t-amyl peroxy free...

Details Process for making graft polyols using t-amyl peroxy free... Process for making graft polyols using t-amyl peroxy free...

C - Chemistry, Metallurgy

08

F

C08F 290/06 (2006.01) C08F 283/06 (2006.01) C08F 291/08 (2006.01)

Patent

CA 2367215

The present invention relates to graft polyols employing a t-amyl peroxy compound as free radical initiator. The novel graft polyols are made by polymerizing at least one monomer in a polyol composition in the presence of a free radical initiator and preferably a chain transfer agent. The resulting graft polyols are in turn useful in reactions with polyisocyanates to make polyurethane products.

L'invention concerne des polyols greffés au moyen d'un composé péroxy t-amyle comme amorceur radicalaire libre. Les nouveaux polyols greffés sont produits par polymérisation d'au moins un monomère dans une composition polyole en présence d'un amorceur radicalaire libre, de préférence un agent de transfert de chaîne. On utilisent les polyols greffés qui en résultent dans des réactions avec des polyisocyanates pour obtenir des produits à base de polyuréthanne.

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