Process for producing polyolefins

Details Process for producing polyolefins Process for producing polyolefins

C - Chemistry, Metallurgy

08

F

402/566

C08F 2/00 (2006.01) C08F 4/649 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2040598

ABSTRACT OF DISCLOSURE Disclosed is a process for producing a polyolefin which comprises contacting an olefin with a catalyst comprising: (A) a solid catalyst component comprising, as essential components, (a) a magnesium compound, (b) halogenated titanium and (c) an electron donor compound; (B) an organoaluminum compound; and (C) an organosilicon compound selected from a group consisting of an organosilicon compound (C-1) having the general formula: (R10)(R20)3-nSi(OR3)n (I) wherein R1 is a branched hydrocarbon residue; R2 and R3 may be the same as or different from each other, and are linear or branched hydrocarbon residues, respectively; and n is from 2 to 3; an organosilicon compound (C-2) having the general formula: Image (II) wherein R4 is a hydrocarbon residue in which a carbon atom adjacent to Si is a tertiary carbon atom; and R5 is a linear or branched hydrocarbon residue; and an organosilicon compound (C-3) having the general formula: R6R7Si(OR8)2 (III) wherein R6 is a branched hydrocarbon residue; R7 is a cyclic saturated hydrocarbon residue; and R8 is a linear or branched hydrocarbon residue.

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