Process for the production of highly reactive polyisobutenes

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 10/10 (2006.01) C08F 4/14 (2006.01) C08F 110/10 (2006.01) C08F 210/12 (2006.01) C08F 236/08 (2006.01)

Patent

CA 2421688

The present invention relates to a process for the production of highly reactive polyisobutenes with a content of terminal vinylidene groupings of greater than 80 mol% and an average molecular weight of 500 to 10,000 Dalton by cationic polymerization of isobutene or of isobutene and monomers copolymerizable with isobutene in the presence of solvent-stabilized transition metal complexes with weakly coordinated anions.

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