Process for preparing catalyst supports and supported polyolefin

Details Process for preparing catalyst supports and supported polyolefin Process for preparing catalyst supports and supported polyolefin

1997-02-03

1999-08-03

Wu, David W.

Catalyst, solid sorbent, or support therefor: product or process

Miscellaneous

502152, 502407, 502415, 526160, 526943, B01J 2104, B01J 2108

Patent

active

059325143

ABSTRACT:
A process for preparing a catalyst support in which a hydrophilic inorganic oxide of an element of main groups II to IV or transition group IV of the Periodic Table or a mixture or mixed oxide thereof is dried at from 110 to 800.degree. C., subsequently reacted, if desired, with aluminoxanes or aluminum alkyls and subsequently reacted simultaneously with aluminoxanes and polyfunctional organic crosslinkers. In a further stage, the catalyst support can be brought into contact with a polyolefin catalyst, giving a supported polyolefin catalyst which is used, in particular, for the polymerization of olefins.

REFERENCES:
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patent: 5057475 (1991-10-01), Canich et al.
patent: 5278264 (1994-01-01), Spaleck et al.
patent: 5329033 (1994-07-01), Spaleck et al.
patent: 5380687 (1995-01-01), Mangold et al.
patent: 5468702 (1995-11-01), Jejelowo
patent: 5625015 (1997-04-01), Brinen et al.
T. Tsutsui et al., Polymer, 32(14), 2671-2673 (1991).

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