Process for the production of polyolefins

Details Process for the production of polyolefins Process for the production of polyolefins

1979-01-25

1980-05-13

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, 526155, 526352, C08F 402, C08F 1002

Patent

active

042029538

ABSTRACT:
A process for the production of polyolefins using an improved catalyst which exhibits enhanced activity in the polymerization or copolymerization of olefins such that the yields of the polymers or copolymers are increased with a minimum catalyst residue remaining. The catalyst is produced by reacting a magnesium dihalide anhydride with an aluminum alkoxy compound to produce a carrier on which a titanium compound and/or a vanadium compound is applied. The molar ratio of magnesium dihalide to aluminum compound ranges between 1:0.001 to 1:20, and most effectively is in the range of 1:0.05 to 1:5.

REFERENCES:
patent: 3642746 (1972-02-01), Kashiwa et al.

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