Ethylene polymerization catalyst

Details Ethylene polymerization catalyst Ethylene polymerization catalyst

C - Chemistry, Metallurgy

08

F

402/637, 252/97

C08F 4/20 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01)

Patent

CA 2009962

- 19 - ETHYLENE POLYMERIZATION CATALYST Abstract of the Invention 1. A catalyst system comprising: (i) the reaction product of a vanadium compound and an electron donor, which is a liquid, organic Lewis base in which the vanadium compound is soluble; (ii) an alkylhalosilane having the following formula: Image wherein R is an alkyl having 1 to 10 carbon atoms; X is chlorine, bromine, or iodine, and each X is alike ox different; a is 1 or 2; b is 2 or 3; and a + b = 4. (iii) a silica support into which components (i) and (ii) are impregnated; and (iv) a hydrocarbyl aluminum cocatalyst.

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