Copolymerization of ethylene and hexene-1 in fluidised bed

C - Chemistry – Metallurgy – 08 – F

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402/613, 402/622

C08F 210/16 (2006.01) C08F 210/02 (2006.01)

Patent

CA 1212500

ABSTRACT Copolymerisation of Ethylene and Hexene-1 in a Fluidised Bed Process for the preparation of copolymers of ethylene and hexene-1 with a density comprised between 0.910 and 0.940, involving a copolymerisation of ethylene and hexene-1 in the gas phase by means on d fluidised bed, in the presence of a catalyst system comprising on the one hand a co-catalyst consisting of at least one organo-metallic compound of a metal of Groups II and III of the Periodic Table of Elements and on the other hand a supported catalyst comprising a special support based essentially on magnesium chloride and optionally aluminium chloride, on which support there has been precipitated a derivative of a transition metal of Groups IV, V and VI of the Periodic Table of Elements.

436128

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