Catalyst and process for polymerizing olefins

Details Catalyst and process for polymerizing olefins Catalyst and process for polymerizing olefins

C - Chemistry, Metallurgy

08

F

252/10, 402/613,

C08F 2/60 (2006.01) C08F 4/58 (2006.01) C08F 4/64 (2006.01) C08F 4/78 (2006.01)

Patent

CA 1178260

Abstract: A catalyst composition suitable for promoting the polymerization of 1-olefins comprises a porous, crystalline zeolite having a silica to alumina ratio of at least 12 and a Constant Index of 1 to 12 and a catalytically active chromium or titanium compound selected from:- a) a pi-bonded organochromium [II] compound, and b) an organometallic compound of the formula:- Image wherein M is a metal selected from titanium or chromium; R1 and R2 are each selected from Hand methyl; R2 is H, alkyl, cyclohexyl, alkylcyclohexyl, cyclohexylalkyl, phenyl, alkylphenyl, benzyl or dimethylbenzyl; and x is 3 or 4.

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