Method for producing a polyolefin

Details Method for producing a polyolefin Method for producing a polyolefin

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01) C08F 4/642 (2006.01)

Patent

CA 2072961

ABSTRACT A method for producing a polyolefin in the presence of a catalyst comprising a transition metal compound and an organometallic compound, wherein a catalyst system is used which comprises (A) a solid catalyst component prepared by reacting a homogeneous solution containing (I) at least one member selected from the group consisting of metal magnesium and a hydroxylated organic compound, and oxygen-containing organic compounds of magnesium, (II) at least one zirconium compound selected from the group consisting of oxygen-containing organic compounds and halogen-containing compounds of zirconium, and (III) at least one silicon compound selected from the group consisting of polysiloxanes and silanes, with (IV) at least one organoaluminum halide compound to obtain a solid product, isolating the solid product, and reacting this solid product with (V) at least one halogen- containing compound of titanium, and (B) at least one catalyst component selected from the group consisting of organoaluminum compounds.

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