Process for polymerizing olefins and polymerization catalyst the

Details Process for polymerizing olefins and polymerization catalyst the Process for polymerizing olefins and polymerization catalyst the

1989-06-15

1991-02-05

Garvin, Patrick P.

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

Catalyst or precursor therefor

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

502123, 502124, 502126, 502127, 526125, 526128, C08F 4649

Patent

active

049904795

ABSTRACT:
An olefin polymerization catalyst formed from (A) a solid titanium catalyst component containing magnesium, titanium and halogen as essential ingredients, (B) an organoaluminum compound, and (C) an organosilicon compound containing a cyclopentyl group, a cyclopentenyl group, a cyclopentadienyl group or a derivative derived from any of these groups.
A polymerization process which comprises polymerizing or copolymerizing olefins in the presence of the olefin polymerization catalyst to form a homopolyolefin having a high stereoregularity or a copolyolefin having a narrow composition distribution.

REFERENCES:
patent: 4442276 (1984-04-01), Kashiwa et al.
patent: 4659792 (1987-04-01), Kashiwa et al.
patent: 4801672 (1989-01-01), Kohyama et al.
patent: 4816433 (1989-03-01), Terano et al.

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