Process for the preparation of a supported catalyst based on...

C - Chemistry – Metallurgy – 08 – F

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402/636, 252/95

C08F 10/02 (2006.01) C08F 4/68 (2006.01)

Patent

CA 1239925

ABSTRACT OF THE DISCLOSURE Process for the preparation of a supported catalyst based on vanadium compounds or the polymerisation and copolymerisation of ethylene and the catalysts obtained thereby New catalysts which can be used for the polymerisation and copolymerisation of ethylene, comprising a support consisting basically of magnesium chloride on which is deposited by precipitation a vanadium compound, obtained by bringing a vanadium compound in which the vanadium is at one of the two maximum valencies 4 and 5 in contact with a support consisting basically of magnesium chloride and optionally of aluminium chloride and comprising products with an Mg-C bond.

474529

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