Borabenzene based olefin polymerization catalysts

Details Borabenzene based olefin polymerization catalysts Borabenzene based olefin polymerization catalysts

C - Chemistry, Metallurgy

08

F

C08F 4/643 (2006.01) C07F 17/00 (2006.01) C08F 4/646 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2210496

Disclosed is a catalyst having general formula (I), where Q is a ligand containing the ring (II), R is hydrogen, N(R')2, OR', or R', each R' is independently selected from alkyl from C1 to C10, aryl from C6 to C15, alkaryl C7 to C15, and aralkyl from C7 to C15, each X is independently selected from hydrogen, halogen, alkoxy from C1 to C10, dialkylamino from C1 to C10, methyl, (III), each R1 is independently selected from halogen, alkoxy from C1 to C10, and R', L is (IV), (V), (VI), (VII), (VIII), Q, or X, where L can be bridged to Q, B is an optional base, "n" is 0 to 5, and M is titanium, zirconium, or hafnium.

L'invention concerne un catalyseur de formule générale (I), dans laquelle Q représente un ligand contenant le noyau (II), R représente hydrogène, N(R')2, OR', ou bien R', chaque R' étant choisi indépendamment parmi alkyle C1-C10, aryle C6-C15, alkaryle C7-C15, et aralkyle C7-C15, chaque X est choisi indépendamment parmi hydrogène, halogène, alcoxy C1-C10, dialkylamino C1-C10, méthyle, (III), où chaque R1 est choisi indépendamment parmi halogène, alcoxy C1-C10 et R', L représente (IV), (V), (VI), (VII), (VIII), Q ou X, L pouvant être ponté à Q, B représente une base éventuelle, n vaut 0 à 5 et M représente titane, zirconium ou hafnium.

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