Method for the preparation of polyolefins

Details Method for the preparation of polyolefins Method for the preparation of polyolefins

1974-05-16

1976-06-08

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429C, 526 90, 526154, 526211, 526213, 526348, 526349, 526351, 526352, 526904, 526905, C08F 464, C08F 1002

Patent

active

039622045

ABSTRACT:
This invention provides a method for the preparation of polyolefins by polymerizing or copolymerizing an olefin or olefins in the presence of a catalyst composed of a titanium compound and/or vanadium compound component supported on a solid carrier and an organometallic compound component, said solid carrier comprising a reaction product obtained by reacting (1) an aluminum compound represented by the general formula Al(OOCR)(OR').sub.2 wherein R and R' being the same or different each represent alkyl, aryl or aralkyl and (2) a magnesium compound represented by the general formula Mg(OR').sub.2 where R" being the same as or different from R and/or R' is alkyl, aryl or aralkyl at a molar ratio of (1):(2) of substantially at least 2:1.

REFERENCES:
patent: 3642760 (1972-02-01), Backelmans et al.
patent: 3644318 (1972-02-01), Diedrich et al.

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