Method for producing homopolymers and copolymers of isobutene

Details Method for producing homopolymers and copolymers of isobutene Method for producing homopolymers and copolymers of isobutene

C - Chemistry, Metallurgy

08

F

C08F 10/10 (2006.01) C08F 4/00 (2006.01) C08F 4/12 (2006.01) C08F 4/16 (2006.01) C08F 4/44 (2006.01) C08F 110/10 (2006.01)

Patent

CA 2430230

The invention relates to a polymerization method for isobutene or mixtures of isobutene with ethylenically unsaturated comonomers under the conditions of a living cationic polymerization . According to the invention, the initiator system additionally comprises at least one non-polymerizable aprotic silicon- organic compound having at least one Si-O bond.

L'invention concerne un procédé de polymérisation d'isobutène ou de mélanges d'isobutène avec des comonomères éthyléniquement insaturés dans les conditions d'une <= polymérisation cationique vive>=. Selon ce procédé, le système initiateur comprend en outre au moins une combinaison organosilicique aprotique non polymérisable, avec au moins une liaison Si-O.

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