Polymerization catalyst and process

Details Polymerization catalyst and process Polymerization catalyst and process

1982-03-11

1984-01-31

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526114, 526116, 526122, 526124, C08F 402, C08F 1000

Patent

active

044290870

ABSTRACT:
A transition metal compound such as titanium tetrahydrocarbyloxides and a metal hydrocarbyloxide compound such as magnesium hydrocarbyloxides are chemically combined to form a first catalyst component which is treated with a second catalyst component comprising an organometallic compound precipitating agent to produce an active olefin polymerization catalyst. High polymer yields are realized per gram of catalyst when the catalyst thus produced is treated with a halide ion exchanging source and used with an organometallic cocatalyst.

REFERENCES:
patent: 3901863 (1975-08-01), Berger et al.
patent: 4039472 (1977-08-01), Hoff
patent: 4218339 (1980-08-01), Zucchini et al.

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