Process for the preparation of catalyst supports for the polymer

Details Process for the preparation of catalyst supports for the polymer Process for the preparation of catalyst supports for the polymer

1983-06-16

1984-12-11

Garvin, Patrick

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

Catalyst or precursor therefor

Organic compound containing

502153, 502104, 502110, 502115, 502121, 502122, 502123, 502128, 502132, 502134, 502162, 502167, 502168, 502169, 502226, 502126, 526125, C08F 402

Patent

active

044878460

ABSTRACT:
The present invention relates to catalyst supports for the polymerization and co-polymerization of alpha-olefins, especially ethylene and propylene, consisting essentially of magnesium chloride, characterized in that these supports contain a chlorinated compound of aluminium in a quantity such that the atomic ratio of Al/Mg is comprised between 0.001 and 0.1 and that they occur in the form of spheroidal particles having a mean diameter by mass comprised between 10 and 100 microns and a narrow and controllable particle size distribution such that the ratio of the mean diameter by mass to the mean diameter by number of particles is less than or equal to 3, and also a process for the preparation of these supports.

REFERENCES:
patent: 4220554 (1980-09-01), Scata et al.
patent: 4250288 (1981-02-01), Lowery et al.
patent: 4252670 (1981-02-01), Caunt et al.
patent: 4314912 (1982-02-01), Lowery et al.
patent: 4329253 (1982-05-01), Goodall et al.
patent: 4364851 (1982-12-01), Shiga et al.
patent: 4399054 (1983-08-01), Ferraris et al.
patent: 4414132 (1983-11-01), Goodall et al.

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