Olefin polymerizing catalyst

Details Olefin polymerizing catalyst Olefin polymerizing catalyst

C - Chemistry, Metallurgy

08

F

252/93

C08F 4/62 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1172623

ABSTRACT In an olefin polymerizing catalyst comprising a solid catalyst component and an organometalllc compound, there is used, as the solid catalyst component, a substance obtained by contacting and reacting the following compounds with one another: (1) a silicon oxide and/or an aluminum oxide, (2) a magnesium halide, (3) a compound represented by the general formula Me(OR)nXz-n wherein Me is an element belonging to Groups I through IV in the Periodic Table, z is the valence of the element Me, n is 0 < n ? z, X is a halogen atom and R is a hydrocarbon radical having 1 to 20 carbon atoms, (4) a titanium compound and/or a vanadium compound, and (5) a compound represented by the general formula R"nSi(OR')mX4-m-n wherein R' and R" are each a hydrocarbon radical having 1 to 24 carbon atoms, X is a halogen atom, n is 0 ~ n < 4 and m is 0 ~ m ~ 4, with the limitation that 0 ~ m + n ~ 4, and/or a polysiloxane.

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