Process for producing ethylene polymers having reduced hexane ex

Details Process for producing ethylene polymers having reduced hexane ex Process for producing ethylene polymers having reduced hexane ex

1992-08-10

1994-03-01

Garvin, Patrick P.

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

Catalyst or precursor therefor

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

502104, 502120, 502126, 502134, 423492, 526125, C08F 4654

Patent

active

052907457

ABSTRACT:
A catalyst system of the Ziegler-Natta type suitable for producing ethylene copolymers having a reduced hexane extractable content comprising (a) an organoaluminum component and (b) a titanium trichloride component which has been prepared by reducing titanium tetrachloride with magnesium metal.

REFERENCES:
patent: 3989881 (1976-11-01), Yamaguchi et al.
patent: 4279776 (1981-07-01), Shiga et al.
patent: 4410672 (1983-10-01), Inazawa
patent: 5132261 (1992-07-01), Murata et al.
Piotr Sobota et al., "Reaction of the [THFCl.sub.2 Mg.sub.2 Ti].sub.2 Complex with Ketones", Bulletin de l'Academie Polonaise des Sciences, Serie des science chimiques, vol. XXV, No. 12, pp. 957-962, 1977, (no month available).

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