Process for producing .alpha.-olefin polymer

Details Process for producing .alpha.-olefin polymer Process for producing .alpha.-olefin polymer

1979-12-11

1982-02-09

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526122, 526348, 5263486, 526351, 526906, C08F 402, C08F 1004

Patent

active

043150888

ABSTRACT:
This invention relates to a process for producing an .alpha.-olefin polymer having a high stereoregularity in a high yield by polymerizing .alpha.-olefin in the presence of a catalyst composed of solid catalyst component (I) prepared by contacting (A) magnesium halide, (B) aromatic carboxylic acid ester, (C) halogen compound of titanium, and (D) siloxyaluminum compound with each other, and (II) an organometallic compound of a metal of Group I to III in the Periodic Table.

REFERENCES:
patent: 3787323 (1974-01-01), Oishima et al.
patent: 4071672 (1978-01-01), Kashiwa
patent: 4107414 (1978-08-01), Giannini et al.
patent: 4146502 (1979-03-01), Yokoyama et al.
patent: 4157435 (1979-06-01), Toyota et al.
patent: 4168361 (1979-09-01), Oda et al.

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