Components and catalysts for the polymerization of olefins

Details Components and catalysts for the polymerization of olefins Components and catalysts for the polymerization of olefins

1995-06-06

1997-11-25

Caldarola, Glenn A.

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

Catalyst or precursor therefor

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

502113, 502129, 502133, B01J 3136, B01J 3138

Patent

active

056912641

ABSTRACT:
Components of bimetallic catalysts for the polymerization of olefins comprising a compound of a transition metal M selected from Ti, V, Zr and Hf containing at least one M-.pi. bond, a compound of Ti or V not containing metal-.pi. bonds and a support comprising a magnesium halide. The catalysts obtained from the components of the invention are particularly suitable for gas-phase polymerization processes.

REFERENCES:
patent: 4399054 (1983-08-01), Ferraris et al.
patent: 5120696 (1992-06-01), Tsutsui et al.
patent: 5132262 (1992-07-01), Rieger et al.
patent: 5139985 (1992-08-01), Barbe' et al.
patent: 5162278 (1992-11-01), Razavi
patent: 5183867 (1993-02-01), Welborn, Jr.

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