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    • 4. 发明授权
    • Components and catalysts for the polymerization of olefins
    • 用于烯烃聚合的组分和催化剂
    • US06544920B1
    • 2003-04-08
    • US08894423
    • 1997-11-03
    • Gianni PenniniArrigo ArlettiGiampiero Morini
    • Gianni PenniniArrigo ArlettiGiampiero Morini
    • C08F464
    • C08F10/00C08F4/6543
    • Solid catalyst component for the polymerization of olefins, includes the product of the direct reaction, with no subsequent reactions with reducing organometallic compounds, between a titanium compound and a support obtained by contacting a metal oxide containing hydroxyl groups with a solution containing A) a magnesium chloride; B) from 1 to 6 moles of an alcohol per mole of magnesium chloride, in a halogenated hydrocarbon or aromatic hydrocarbon organic solvent C) capable of bringing the magnesium chloride in solution in quantities greater than or equal to 5 grams per liter in the presence of the above-mentioned quantities of alcohol B), the solvent not being able to form adducts with the magnesium chloride.
    • 用于烯烃聚合的固体催化剂组分包括在钛化合物和通过使包含羟基的金属氧化物与含有A)镁的溶液接触而获得的钛化合物和载体之间的直接反应的直接反应的产物,而不是与还原性有机金属化合物的后续反应 氯化物; B)每摩尔氯化镁1至6摩尔醇,在卤代烃或芳族烃有机溶剂C)中,其能够使氯化镁在溶液中的量大于或等于5克/升, 上述量的醇B),溶剂不能与氯化镁形成加合物。