C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/643
C08F 10/00 (2006.01) C08F 2/00 (2006.01) C08F 4/66 (1980.01)
Patent
CA 1159198
ABSTRACT OF THE DISCLOSURE A process for producing highly stereoregular .alpha.-olefin polymers which comprises polymerizing .alpha.-olefins in the presence of a catalyst system comprising: (A) a solid catalyst obtained by contact reaction between (a) a solid preduct prepared by reacting an organo-magnesium compound with at least one of halogenated silicon compound (I) and halogenated aluminum compound, and (b) a titanium compound having both titanium- aryloxy and titanium-halogen linkages, and (B) an organometallic compound of a metal in Groups I to III of the periodic table as an activating agent.
386238
Kojima Junpei
Naito Yukio
Sasaki Toshio
Shiga Akinobu
Yoshioka Hiroshi
Marks & Clerk
Sumitomo Chemical Company Limited
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