Gas fluidised bed terpolymerisation of olefins

C - Chemistry – Metallurgy – 08 – F

Patent

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402/613, 402/641

C08F 2/34 (2006.01) C08F 10/00 (2006.01) C08F 210/16 (2006.01) C08F 297/08 (2006.01)

Patent

CA 1262599

5880(B146)(2) ABSTRACT OF THE DISCLOSURE GAS FLUIDISED BED TERPOLYMERISATION OF OLEFINS The present invention relates to a gas fluidised bed process for the production of copolymers having a density between 0.900 and 0.935, which process comprises copolymerisation of (a) ethylene, (b) propylene and/or 1-butene, and (c) alpha-olefins comprising from 5 to 8 carbon atoms in the gaseous state, in admixture with an inert gas and optionally with hydrogen, in the presence of a catalytic system comprising a cocatalyst consisting of at least 1 organo-metallic compound of a metal of groups II and III of the Periodic Table of Elements and a special solid catalyst.

480368

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