Gas phase polymerisation process

Details Gas phase polymerisation process Gas phase polymerisation process

1991-08-16

1994-04-26

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526901, 526 88, C08F 424

Patent

active

053067924

ABSTRACT:
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.

REFERENCES:
patent: 3023203 (1962-02-01), Dye

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