Solid titanium catalyst component for olefin polymerization,...

Details Solid titanium catalyst component for olefin polymerization,... Solid titanium catalyst component for olefin polymerization,...

C - Chemistry, Metallurgy

08

F

252/105, 402/564

C08F 4/64 (2006.01) C08F 4/649 (2006.01) C08F 10/00 (2006.01) C08F 110/06 (2006.01) C08F 110/08 (2006.01)

Patent

CA 2040336

A solid titanium catalyst component [Ia] containing magnesium, halogen, titanium and a compound having at least two ether linkags with a plurality of intermediately existing bonding atoms; a catalyst and a prepolymerized olefin-containing catalyst prepared by using the solid titanium catalyst component [Ia]; a method for preparing a polyolefin wherein said catalyst or prepolymerized olefin containing catalyst is used. A catalyst and a prepolymerized olefin containing catalyst prepared by using a solid titanium catalyst component [Ib] containing magnesium, halogen, titanium and a specific electron donor (a1), and a compound having at least two ether linkags with a plurality of intermediately existing bonding atoms; a method for preparing a polyolefin wherein said catalyst or prepolymerized olefin containing catayst is used. By virtue of the use of the catalysts or the prepolymerized olefin-containing catalysts, the polymerization reaction efficiently proceeds with high catalytic activity, giving polymers high in stereospecificity

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