Ethylene polymerization catalyst

Details Ethylene polymerization catalyst Ethylene polymerization catalyst

C - Chemistry, Metallurgy

08

F

402/638, 252/97

C08F 4/68 (2006.01) C08F 4/02 (2006.01) C08F 10/02 (2006.01)

Patent

CA 1312068

- 21 - ETHYLENE POLYMERIZATION CATALYST Abstract of the Invention A vanadium catalyst composition comprising: (i) the reaction product of a vanadium trihalide wherein the halogen is chlorine, bromine, or iodine, or mixtures thereof, and an electron donor, which is a liquid, organic Lewis base in which the vanadium trihalide is soluble; (ii) a silica support onto which component (i) is impregnated; (iii) a salt admixed with the silica support, the cation of said salt being selected from the group consisting of Groups I and II of the Periodic Chart of the atoms; (iv) a halocarbon promoter; and (v) a hydrocarbyl aluminum cocatalyst.

562931

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