Gas phase polymerisation process

Details Gas phase polymerisation process Gas phase polymerisation process

C - Chemistry, Metallurgy

08

F

C08F 2/34 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2049844

The present invention relates to a continuous process for the polymerization of an alpha-olefin having from 2 to 12 carbon atoms, which is carried out in a gas phase polymerization reactor by bringing a gaseous reaction mixture containing the alpha-olefin to be polymerized into contact with a catalyst based on chromium oxide associated with a catalyst based on chromium oxide associated with a granular support and activated by a heat treatment in which the polymerization reactor is fed with (a) alpha-olefin and (b) catalyst at constant rates.

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