Polymerization catalyst, process for preparing, and use for ethy

Details Polymerization catalyst, process for preparing, and use for ethy Polymerization catalyst, process for preparing, and use for ethy

1981-09-16

1984-01-24

Garvin, Patrick

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

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

526125, 502105, 502126, 502127, C08F 464

Patent

active

044275730

ABSTRACT:
Catalyst compositions suitable for producing ethylene polymers in a low pressure gas phase process are produced by forming a partially activated precursor composition from a magnesium compound, titanium compound, inert carrier material and an organoaluminum activator compound in an electron donor solvent.

REFERENCES:
patent: 3412174 (1968-11-01), Kroll
patent: 3943067 (1976-03-01), Chan et al.
patent: 4293673 (1981-10-01), Hamer et al.
patent: 4302565 (1981-11-01), Goeke et al.
patent: 4302566 (1981-11-01), Karol et al.
patent: 4349648 (1982-09-01), Jorgenson et al.
patent: 4354009 (1982-10-01), Goeke et al.

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