Catalyst and process for producing .alpha.-olefin polymers...

Details Catalyst and process for producing .alpha.-olefin polymers... Catalyst and process for producing .alpha.-olefin polymers...

C - Chemistry, Metallurgy

08

F

252/105, 402/381

C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1263370

ABSTRACT A catalyst comprizing: (A) a solid catalyst component containing a tri-valent titanium compound, which is obtained by reducing a titanium compound represented by the general formula Ti(OR1)nX4-n (wherein R1 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom and n is a number satisfying 0<n?4 with an organo magnesium compound in the presence of an organo silicon compound having Si-O bonds and then treating the resulting solid product with an ester compound and a mixture of an ether compound and titanium tetrachloride, (B) an organo aluminum compound, and (C) a silicon compound having Si-OR2 bonds (wherein R2 is a hydrocarbon group having 1 to 20 carbon atoms) and/or an organic carboxylic acid ester, and a process for producing .alpha.-olefin polymers using the same.

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