Process for making high molecular weight isobutylene polymers

Details Process for making high molecular weight isobutylene polymers Process for making high molecular weight isobutylene polymers

C - Chemistry, Metallurgy

08

F

C08F 236/08 (2006.01) C08F 10/10 (2006.01) C08F 110/10 (2006.01) C08F 210/12 (2006.01) C08F 236/10 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 210/10 (2006.01)

Patent

CA 2332203

There is disclosed a process for polymerizing a cationically polymerizable olefin comprising the step of polymerizing at least one cationically polymerizable olefin at a subatmospheric pressure in the presence of a cationic polymerization catalyst system which comprises an initiator and an activator, which together form a reactive cation and non-co-ordinating anion, the activator being prepared by the reaction of a metalloid compound of formula (R1R2R3)M with a co-initiator, the co-initiator being selected from the group consisting of an alcohol, a thiol, a carboxylic acid, a thiocarboxylic acid and the like.

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