Process for the preparation of a polyolefin

Details Process for the preparation of a polyolefin Process for the preparation of a polyolefin

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01) C08F 32/04 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 2053199

- 1 - HOE 90/F 306 Abstract Process for the preparation of a polyolefin Olefins of the formula Ra-CH=CH-Rb (Ra and Rb = H or C1-C4-alkyl) are polymerized in the presence of a catalyst comprising an aluminoxane which is soluble in non-aromatic solvents and has the formula I Image (I) for the linear type and/or the formula (II) Image (II) for the cyclic type and, in the formulae (I) and (II), R1 is methyl or a C2-C8-alkyl group and n is an integer from 2 to 50, 0.01 to 40% of the radicals R1 being a C2-C8- alkyl group, and a metallocene. Polymers having a high molar mass are obtained in high yield.

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