Catalysts for the polymerization of olefins

Details Catalysts for the polymerization of olefins Catalysts for the polymerization of olefins

C - Chemistry, Metallurgy

08

F

252/109, 252/62,

C08F 4/646 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1318657

ABSTRACT An olefin catalyst polymerization comprising a combination of a solid catalyst component (A) comprising a solid catalytic complex (i) containing titanium, magnesium and a halogen as the essential ingredients with an organoaluminium compound (B), wherein said solid catalyst component (A) is obtained by bringing ingredient (ii): a silicon compound represented by the general formula: R1mXnsi(OR2)4-m-n wherein R1 and R2 each stand for a hydrocarbyl residue, X denotes a halogen, and m and n are such that 0?m?3 and 0?n?3 are satisfied on condition that 0?+m+n?3, and ingredient (iii): an organometallic compound selected from the group consisting of organozinc compounds and organomagnesium compound, in contact with said solid catalytic complex (i), which catalyst makes it possible to eliminate what is called "outside electron donor" as a component for making up a final catalyst system.

563294

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