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    • 4. 发明专利
    • JPH05310825A
    • 1993-11-22
    • JP3310091
    • 1991-02-27
    • TONEN CORP
    • FURUHASHI HIROYUKISATO RYUJIAOKI TOMOKOUSUI MIYUKIUEKI SATOSHI
    • C08F4/658C08F4/60C08F10/00
    • PURPOSE:To obtain a catalyst for polymerization of alpha-olefin which does not contain any aromatics forming noxious substances and can give a stereoregular poly-alpha-olefin in high yields by combining a specified solid catalyst component with a specified organometallic compound and a specified organosilicon compound. CONSTITUTION:The catalyst is obtained by combining a solid catalyst component essentially consisting of a metal oxide, magnesium, titanium, halogen and an electron-donating compound with an organometallic compound (desirably an organoaluminum compound) and an organosilicon compound of the formula [wherein R is a 3-10 C aliphatic or alicyclic hydrocarbon group; R is a 1-10 C aliphatic or alicyclic hydrocarbon group or [R O (wherein R is R ); R is CH3 or C2H5; x is 1 or 2; y is O or 1; z is 2 or 3; and x+y+z=4]. This catalyst permits the production of a highly stereoregular poly-alpha-olefin in high yields, does not form noxious substances which might form when an organosilicon compound containing aromatic groups is used, and can exhibit catalytic performances such as polymerization activity and stereoregular polymerization activity at least equivalent to those of such a catalyst.