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    • 2. 发明授权
    • Method for the preparation of a polymerizing catalyst component, a
polymerizing catalyst component prepared by the method and its use
    • 制备聚合催化剂组分的方法,通过该方法制备的聚合催化剂组分及其用途
    • US5480849A
    • 1996-01-02
    • US75596
    • 1993-08-16
    • Bill GustafssonArja KostiainenPekka Sormunen
    • Bill GustafssonArja KostiainenPekka Sormunen
    • C08F4/02C08F4/61C08F10/00B01J31/12C08F2/00C08F4/42
    • C08F10/00
    • The invention relates to a process for the preparation of a solid procatalyst composition of a catalyst system for the polymerization of olefins wherein a magnesium halide such as magnesium chloride is dissolved and/or suspended into an alkyl ester of a monocarboxylic acid such as ethyl acetate, impregnated to a carrier, treated with an organometallic compound or a silicon compound and thereafter with a transition metal compound. The invention also relates to a procatalyst composition and its use together with a cocatalyst for the polymerization of olefins. The activity has been enhanced according to the invention by the use of a carrier containing hydroxyl groups, which carrier is kept at a temperature of at most about 200.degree. C. prior to the impregnation so that the hydroxyl groups are retained in the carrier to an essential extent until the impregnation step. The carrier is preferably silica which is treated thermally at 100.degree.-200.degree. C. so that the water present is removed but the hydroxyl groups are retained to a considerable extent. The organometal compound is preferably an aluminumalkyl compound such as triethylaluminum, and the transition metal compound is preferably titanium tetrachloride.
    • PCT No.PCT / FI91 / 00391 Sec。 371日期:1993年8月16日 102(e)日期1993年8月16日PCT 1991年12月17日PCT PCT。 公开号WO92 / 11296 日本1992年7月9日。本发明涉及一种制备用于烯烃聚合的催化剂体系的固体前催化剂组合物的方法,其中将卤化镁如氯化镁溶解和/或悬浮于 一元羧酸如乙酸乙酯,浸渍到载体上,用有机金属化合物或硅化合物处理,然后用过渡金属化合物处理。 本发明还涉及前催化剂组合物及其与烯烃聚合用助催化剂的使用。 通过使用含有羟基的载体,根据本发明增强了活性,该载体在浸渍之前保持在至多约200℃的温度,使得羟基保留在载体中至 必不可少的程度,直到浸渍步骤。 载体优选二氧化硅,其在100-200℃下热处理,以便除去存在的水,但羟基保留在相当大的程度上。 有机金属化合物优选为三乙基铝等铝烷基化合物,过渡金属化合物优选为四氯化钛。
    • 4. 发明授权
    • Method for the preparation of a catalyst component for the
polymerization of olefins, a polymerization catalyst component produced
by the method and use of the same
    • 制备烯烃聚合用催化剂组分的方法,通过该方法制备的聚合催化剂组分及其用途
    • US5413979A
    • 1995-05-09
    • US856967
    • 1992-06-16
    • Arja KostiainenBill GustafssonPekka Sormunen
    • Arja KostiainenBill GustafssonPekka Sormunen
    • C08F4/658C08F4/60C08F10/00B01J31/00
    • C08F10/00
    • The invention relates to a method for the preparation of a solid procatalyst composition for a catalyst system intended for the polymerization of olefins, wherein a magnesium halide, such as magnesium chloride, is dissolved and/or slurried in a mono-carboxylic acid alkyl ester, such as ethyl acetate, is impregnated into a support material, dried, treated with an organometallic compound or a silicon compound and thereafter with a transition metal compound. The invention also relates to such a procatalyst composition and its use together with a cocatalyst for the polymerization of olefins. According to the invention it has been possible to increase the activity of the catalyst composition by using a silanated support material, such as silanated silica, which is then treated with an organometallic or silicon compound before treatment with a transition metal compound. The silanated silica is preferably a silicon dioxide which has been heat-treated at 1000.degree.-200.degree. and thereafter treated with hexamethyldisilazane and contains 3-6% carbon. The organometallic compound is preferably an aluminum alkyl compound, such as triethylaluminum, and the transition metal compound is preferably titanium tetrachloride.
    • PCT No.PCT / FI90 / 00279 Sec。 371日期:1992年6月16日 102(e)日期1992年6月16日PCT 1990年11月20日PCT PCT。 公开号WO91 / 07443 日本1991年5月30日本发明涉及一种制备用于烯烃聚合的催化剂体系的固体前催化剂组合物的方法,其中卤化镁如氯化镁以单体形式溶解和/或浆化 羧酸烷基酯如乙酸乙酯浸渍到载体材料中,干燥,用有机金属化合物或硅化合物处理,然后用过渡金属化合物处理。 本发明还涉及这种前催化剂组合物及其与烯烃聚合用助催化剂的使用。 根据本发明,可以通过使用硅烷化载体材料如硅烷化二氧化硅来提高催化剂组合物的活性,然后用过渡金属化合物处理之前用有机金属或硅化合物处理。 硅烷化二氧化硅优选是在1000℃-200℃下热处理的二氧化硅,然后用六甲基二硅氮烷处理并含有3-6%的碳。 有机金属化合物优选为烷基铝化合物,例如三乙基铝,过渡金属化合物优选为四氯化钛。