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

1994-10-24

1995-08-01

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526124, 526348, 526351, 5263486, 526904, 526916, C08F 4654, C08F 1000

Patent

active

054381100

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 high stereoregularity or a copolyolefin having a narrow composition distribution.

REFERENCES:
patent: 4816433 (1989-03-01), Terano et al.
patent: 4861847 (1989-08-01), Mao et al.
patent: 4927797 (1990-05-01), Ewen
patent: 4952649 (1990-08-01), Kioka et al.
patent: 5075396 (1991-12-01), Kashiwa et al.
Patent Abstracts of Japan, vol. 11, No. 101 (C-413)[2548], 31 Mar. 1987; & JPA-61 252 218 (Mitsubishi) Oct. 11, 1986, abstract.

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