A catalyst system and its use in a polymerization process

Details A catalyst system and its use in a polymerization process A catalyst system and its use in a polymerization process

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01) C08F 210/16 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)

Patent

CA 2432722

The invention provides new polymerization catalyst activator compositions including a non-coordinating or ionizing activator having a siloxane moiety. The invention also provides a new supported catalyst activator composition where the siloxane moiety reacts with an alkylaluminum bonded to a silica support. The invention also provides for methods of making the activator compositions, polymerization catalyst systems including the activator compositions and processes for polymerizing olefin(s) utilizing same.

L'invention concerne de nouvelles compositions d'activateur de catalyseur de polym~risation, notamment un activateur de non coordination ou d'ionisation dot~ d'une fraction de siloxane. Cette invention concerne aussi une nouvelle composition d'activateur de catalyseur sur support, dans laquelle la fraction de siloxane r~agit avec un alkylaluminium li~ ~ un support de silice, ainsi que des proc~d~s d'~laboration des compositions d'activateur, des syst­mes de catalyseurs de polym~risation contenant les compositions d'activateurs, et des processus de polym~risation d'ol~fines correspondants.

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