Catalyst, method of producing the catalyst, and polymerization p

Details Catalyst, method of producing the catalyst, and polymerization p Catalyst, method of producing the catalyst, and polymerization p

1982-02-22

1983-10-18

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, 526125, 526352, 526904, 525268, C08F 402, C08F 1000

Patent

active

044106718

ABSTRACT:
A transition metal compound and a metal halide compound are chemically combined to form a composition of matter. The composition of matter is mixed with a precipitating agent to form an active olefin polymerization catalyst. The catalyst can be further treated with a halide ion exchanging source to form an active olefin polymerization catalyst. Prepolymer is deposited on the catalyst(s) in an amount effective to reduce polymer fines when the catalyst(s) are used in polymerization processes.

REFERENCES:
patent: 3901863 (1975-08-01), Berger et al.
patent: 4158088 (1979-06-01), Iwao et al.
patent: 4187385 (1980-02-01), Iwao et al.
patent: 4287328 (1981-09-01), Kikuta et al.
patent: 4295991 (1981-10-01), Wristers
patent: 4309521 (1982-01-01), Sato et al.

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