C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/105, 402/564
C08F 4/64 (2006.01) C08F 10/00 (2006.01) C08F 210/00 (2006.01)
Patent
CA 1325004
ABSTRACT OF THE DISCLOSURE A solid catalyst component for olefin copolymeri- zation containing trivalent titanium compound, which is obtained by reducing a titanium compound represented by the general formula Ti(OR1)nX4-n (wherein R1 is a hydro- carbon group of 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 a porous carrier having a pore volume of, at pore radius of 50 to 5,000 .ANG., at least 0.2 ml/g, or in the presence of an organosilicon compound having at least one Si-O bond and the porous carrier to obtain a solid product, treating the solid product with a mixture of an ether compound and titanium tetrachloride, a catalyst system for olefin copolymerization comprising the above-mentioned solid catalyst component and an organoaluminum compound, as well as a process for olefin copolymerization using said catalyst system.
576580
Ebara Takeshi
Kawai Kiyoshi
Miyoshi Yoshihiro
Sasaki Toshio
Ebara Takeshi
Kawai Kiyoshi
Marks & Clerk
Miyoshi Yoshihiro
Sasaki Toshio
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