Process for producing a catalyst for olefin polymerization

Details Process for producing a catalyst for olefin polymerization Process for producing a catalyst for olefin polymerization

1990-08-28

1992-03-31

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Forming or treating a sphere, process only

Forming other than by liquid immersion

502 8, 502111, 502125, 502126, 502127, 502121, 502123, C08F 464

Patent

active

051008491

ABSTRACT:
A process for producing a catalyst component for olefin polymerization is provided, which process comprises spraying a solution of a magnesium compound e.g. MgCl.sub.2 and an alcohol such as MgCl.sub.2. nROH (wherein R is 1-10 C alkyl and n is 3-6) into a cooled spray column to obtain a spherical solid component (carrier) without any substantial vaporization of the alcohol, followed by partly drying the component for a time till a specified ratio of the alcohol/MgCl.sub.2 is attained, and then subjecting the resulting component to treatment with a titanium halide and an electron-donating component, the resulting component having a large particle diameter, without any dispersion of the solvent content in the component particles and also without any breakage of the particles when subjected to treatment with the titanium halides.

REFERENCES:
patent: 4481342 (1984-11-01), Invernizzi et al.
patent: 4829034 (1989-05-01), Iiskolan et al.
Shell Internationale Research, Chem. Ab. 107, (1987), 176662j.

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