Catalyst compositions and process for preparing polyolefins

Details Catalyst compositions and process for preparing polyolefins Catalyst compositions and process for preparing polyolefins

1996-05-02

1998-05-05

Nagumo, Mark

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

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502117, 502120, 502119, 502152, 502154, 526943, 526114, C08F 4642

Patent

active

057474052

ABSTRACT:
Catalyst compositions comprising both metallocene complexes having polymerisable groups and polymerization catalysts eg Ziegler-Natta may be used for the preparation of polyolefins. The catalyst compositions may comprise the metallocene complex in the form of a polymer and may suitably be supported on inorganic supports. Polymers having a wide range of molecular weights and comonomer distributions may be prepared by use of the catalyst compositions. Preferred metallocene complexes are zirconium complexes in which the polymerisable group is vinyl.

REFERENCES:
patent: 5071808 (1991-12-01), Antberg et al.
patent: 5077255 (1991-12-01), Welborn, Jr.
patent: 5169818 (1992-12-01), Antberg et al.

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