Polymerization catalyst system and its use in a...

C - Chemistry – Metallurgy – 07 – F

Patent

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C07F 5/02 (2006.01) B01J 31/18 (2006.01) B01J 31/22 (2006.01) C07F 5/06 (2006.01) C08F 4/54 (2006.01) C08F 10/00 (2006.01) C08F 210/16 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01)

Patent

CA 2474595

Disclosed are polymerization catalyst activator compounds which include a Group 13 atom, preferably boron or aluminium, bonded to at least one heterocyclic group. The heterocyclic group preferably contains one or more heteroatoms selected from Group 15 and/or 16, and may be unsubstituted or substituted. Preferably, the heterocyclic ligand is substituted with a halogen atom or a halogen containing group, where the halogen is preferably fluorine. Also disclosed are olefin(s) polymerization processes utilizing the invention.

L'invention concerne des composés activateurs de catalyseurs de polymérisation qui comprennent un atome d'un élément du Groupe 13, de préférence de bore ou d'aluminium, lié à au moins un groupe hétérocyclique. Le groupe hétérocyclique contient de préférence au moins un hétéroatome sélectionné parmi les éléments du Groupe 15 et/ou du Groupe 16, et il peut être substitué ou non. De préférence, le ligand hétérocyclique est substitué avec un atome d'halogène ou un groupe contenant un halogène, cet halogène étant de préférence le fluor. L'invention concerne également des procédés de polymérisation d'oléfine(s) faisant appel aux composés selon l'invention.

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