Polymerization catalyst, production and use

Details Polymerization catalyst, production and use Polymerization catalyst, production and use

1988-04-26

1989-09-12

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, 526125, 526137, 526142, C08F 402, C08F 464

Patent

active

048661449

ABSTRACT:
Ethylene and alpha-olefins are homopolymerized or copolymerized with another olefin monomer in the presence of a catalyst system comprising an organo metal cocatalyst and a titanium-containing catalyst component, said titanium-containing catalyst component being obtained by reacting together a porous particulate material, an organic magnesium compound, an oxygen-containing compound, an acyl halide, titanium tetrachloride and Cl.sub.2, Br.sub.2 or an interhalogen compound and treating the solids with an aluminum alkyl.

REFERENCES:
patent: 3644318 (1972-02-01), Diedrich et al.
patent: 4451574 (1984-05-01), Johnson
patent: 4458058 (1984-07-01), Dombro
patent: 4565797 (1986-01-01), Etherton et al.
patent: 4634747 (1987-01-01), Best

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