Process for the polymerization of ethylene or .alpha.-...

Details Process for the polymerization of ethylene or .alpha.-... Process for the polymerization of ethylene or .alpha.-...

C - Chemistry, Metallurgy

08

F

252/107, 402/643

C08F 10/00 (2006.01) C08F 4/66 (1980.01)

Patent

CA 1097316

ABSTRACT OF THE DISCLOSURE Polymerization of ethylene or .alpha.-olefins is carried out using a catalyst comprising a titanium component obtained by copulverizing the starting titanium component of Ziegler catalysts and an organoaluminum compound together with a small amount of ethylene or .alpha.-olfins ,and an organoaluminum component. A modified titanium catalyst component is obtained by subjecting the above copulverized titanium component to a modification treatment through contact with an inert organic solvent or its mixture with a modifier selected from the group consisting of 1) an oxygen-, sulphur-, phosphor-, nitrogen- or silicon- containing organic compound, 2) a combination of said organic compound with aluminum halides, 3) an organoaluminum compound and 4) Lewis acid. - 1 -

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