Supported polymerisation catalysts

Details Supported polymerisation catalysts Supported polymerisation catalysts

1997-07-01

2000-01-18

Wood, Elizabeth D.

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

Catalyst or precursor therefor

Organic compound containing

502102, 502103, 502117, 526943, B01J 3100, B01J 3106

Patent

active

060157674

ABSTRACT:
An olefin polymerization catalyst system comprising a complex having the general formula I or II: ##STR1## wherein in formula (I) M is V, Nb or Ta and in formula (II) M is Cr, Mo or W; R is selected from alkyl and aryl, and in formula II the R groups may be the same or different; X is an organic group containing a cyclopentadienyl nucleus, Y is a univalent anionic ligand, the Y groups may be the same or different; n is 0 or 1; the complex of formula (I) or (II) being supported on a substrate comprising a polyaminostyrene or a copolymer of styrene and aminostyrene.

REFERENCES:
patent: 5362824 (1994-11-01), Furtek et al.
patent: 5461017 (1995-10-01), Furtek et al.

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