Process for producing olefin polymers or copolymers

Details Process for producing olefin polymers or copolymers Process for producing olefin polymers or copolymers

1980-06-13

1982-05-18

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526124, 526127, 526128, 526142, 526143, 526351, 526352, C08F 402, C08F 1000

Patent

active

043306497

ABSTRACT:
Improved process for producing olefin polymer or copolymer characterized by using (I) a solid catalyst component (A) which is he product of reaction of (a) a magnesium compound in the liquid state having no reducing ability with (b) a titanium compound in the liquid state in the presence of an electron donor having no active hydrogen, said magnesium compound (a) being a liquid magnesium compound or a solution of a magnesium compound or being obtained by contacting the magnesium compound with at least one electron donor selected from the group consisting of alcohols, organic carboxylic acids, aldehydes, amines and mixtures thereof, or the product of reaction of the magnesium compound (a) with the titanium compound (b) in the absence of the electron donor having no active hydrogen atom followed by treatment with the electron donor having no active hydrogen atom, and (II) the mole ratio of the compound (a) to the compound (b), calculated as metal atoms, is at least about 2.

REFERENCES:
patent: 3989881 (1976-11-01), Yamaguchi et al.
patent: 4115319 (1978-09-01), Scata et al.
patent: 4124532 (1978-11-01), Giannini et al.
patent: 4174299 (1979-11-01), Giannini et al.

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