Dinuclear fluoroaryl aluminum alkyl complexes

Details Dinuclear fluoroaryl aluminum alkyl complexes Dinuclear fluoroaryl aluminum alkyl complexes

C - Chemistry, Metallurgy

07

F

C07F 5/06 (2006.01) C08F 4/642 (2006.01) C08F 4/6592 (2006.01) C08F 10/00 (2006.01) C08F 36/00 (2006.01)

Patent

CA 2338445

A catalyst activator particularly adapted for use in the activation of metal complexes of metals of Group 3-10 for polymerization of ethylenically unsaturated polymerizable monomers, especially olefins, comprising: a compound corresponding to the formula: A f a Al2Q1 6-z, where; Q1 independently each occurrence is selected form C1-20 alkyl; Ar f is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 carbon atoms; z is a number greater than 0 and less than 6, and the moiety: Ar f z Al2Q1 6-z is an adduct of tri(fluoroarylaluminum) with from a sub-stoichiometric to a super-stoichiometric amount of a trialkylaluminum having from 1 to 20 carbons in each alkyl group.

L'invention concerne un activateur de catalyseur particulièrement destiné à être utilisé dans l'activation de complexes métalliques de métaux du Groupe 3-10, pour la polymérisation de monomères polymérisables, insaturés en éthylène, notamment des oléfines. Ledit catalyseur comprend : un composé de formule Ar<f>zAl2Q<1>6-z dans laquelle: Q<1> est choisi, à chaque apparition, parmi alkyle C1-20; Ar<f> représente un fragment hydrocarbyle aromatique fluoré possédant 6 à 30 atomes de carbone; z représente un entier supérieur à 0 et inférieur à 6, et la fraction: Ar<f>zAl2Q<1>6-z représente un adduit de tri(fluoroarylaluminium) avec un volume sous-stoechiométrique à stoechiométrique d'un trialkylaluminium possédant 1 à 20 atomes de carbone dans chaque groupe alkyle.

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