Halogen substituted catalyst system for olefin polymerization

Details Halogen substituted catalyst system for olefin polymerization Halogen substituted catalyst system for olefin polymerization

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2488043

A catalyst system is provided. In one aspect, the catalyst system includes one or more polymerization catalysts and at least one activator. The activator comprises one or more heterocyclic nitrogen-containing ligands coordinated to a Group 13 atom, wherein the activator is a reaction product of one or more alkyl substituted Group 13 atom-containing compounds and one or more heterocyclic nitrogen-containing compounds, the one or more heterocyclic nitrogen-containing ligands represented by: wherein each substituent X2, X3, X4, X5, X6, and X7 is independently selected from the group consisting of hydrogen, chlorine, fluorine, iodine, and bromine. The catalyst system may be supported or non-supported.

L'invention concerne un système de catalyse. Dans un aspect, ce système de catalyse comprend un ou plusieurs catalyseurs de polymérisation et au moins un activateur. Cet activateur comprend un ou plusieurs ligands hétérocycliques azotés coordonnés avec un atome du groupe 13. L'activateur est un produit de réaction d'un ou plusieurs composés alkyle substitués contenant un atome du groupe 13 et d'un ou plusieurs composés hétérocycliques azotés, le ou les ligands hétérocycliques azotés étant représentés par : (formule), dans laquelle chaque substituant X2, X3, X4, X5, X6 et X7 est indépendamment choisi dans le groupe constitué d'hydrogène, de chlore, de fluor, d'iode et de brome. Le système de catalyse selon l'invention peut être supporté ou non supporté.

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