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    • 1. 发明公开
    • SOLID POLYMETHYLALUMINOXANE COMPOSITION AND PROCESS FOR PRODUCING SAME
    • 固体聚甲基铝氧烷组合物及其生产方法
    • EP2360191A1
    • 2011-08-24
    • EP09825906.2
    • 2009-11-11
    • Tosoh Finechem CorporationYoshioka, Etsuo
    • KAJI, EiichiYOSHIOKA, Etsuo
    • C08F4/6592C08F10/00C08G79/10
    • C08G79/10C07F5/066C08F4/65925C08F4/65927C08F10/00C08F110/02C08L85/00C08F4/65912C08F4/6028C08F2500/24C08F2500/03
    • Disclosed are: a solid polymethylaluminoxane composition which does not utilize silica or the like, has the form of relatively fine particles, has more uniform particle sizes, and exhibits a high polymerization activity when used in the preparation of an olefin polymer; a process for producing the solid polymethylaluminoxane composition; a polymerization catalyst; and a process for producing an olefin polymer. Specifically disclosed are: a solid polymethylaluminoxane composition which has an aluminum content of 36 to 41 mass% and contains a methyl group derived from a trimethylaluminum moiety at a molar fraction of 12 mol% or less; a process for producing the solid polymethylaluminoxane composition, which comprises the step of heating an aromatic hydrocarbon solution containing polymethylaluminoxane and trimethylaluminum to cause the precipitation of the solid polymethylaluminoxane composition; a polymerization catalyst for an olefin, which comprises the solid polymethylaluminoxane composition and a transition metal compound as catalyst components; and a process for producing an olefin polymer by using the polymerization catalyst.
    • 本发明公开了一种不使用二氧化硅等的固体聚甲基铝氧烷组合物,其具有较细的颗粒形式,具有更均匀的粒径,并且在用于制备烯烃聚合物时表现出高的聚合活性; 生产固体聚甲基铝氧烷组合物的方法; 聚合催化剂; 和生产烯烃聚合物的方法。 具体而言,公开了一种固体聚甲基铝氧烷组合物,其具有36至41质量%的铝含量并且含有摩尔分数为12摩尔%或更低的三甲基铝部分衍生的甲基; 一种生产固体聚甲基铝氧烷组合物的方法,该方法包括加热含有聚甲基铝氧烷和三甲基铝的芳烃溶液以引起固体聚甲基铝氧烷组合物沉淀的步骤; 用于烯烃的聚合催化剂,其包含固体聚甲基铝氧烷组合物和过渡金属化合物作为催化剂组分; 以及使用该聚合催化剂制造烯烃聚合物的方法。
    • 3. 发明授权
    • SOLID POLYMETHYLALUMINOXANE COMPOSITION AND PROCESS FOR PRODUCING SAME
    • FESTE POLYMETHYLUMINOXANZUSAMMENSETZUNG UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2360191B1
    • 2017-03-29
    • EP09825906.2
    • 2009-11-11
    • Tosoh Finechem Corporation
    • KAJI, EiichiYOSHIOKA, Etsuo
    • C08F4/6592C08F10/00C08G79/10C07F5/06
    • C08G79/10C07F5/066C08F4/65925C08F4/65927C08F10/00C08F110/02C08L85/00C08F4/65912C08F4/6028C08F2500/24C08F2500/03
    • Disclosed are: a solid polymethylaluminoxane composition which does not utilize silica or the like, has the form of relatively fine particles, has more uniform particle sizes, and exhibits a high polymerization activity when used in the preparation of an olefin polymer; a process for producing the solid polymethylaluminoxane composition; a polymerization catalyst; and a process for producing an olefin polymer. Specifically disclosed are: a solid polymethylaluminoxane composition which has an aluminum content of 36 to 41 mass% and contains a methyl group derived from a trimethylaluminum moiety at a molar fraction of 12 mol% or less; a process for producing the solid polymethylaluminoxane composition, which comprises the step of heating an aromatic hydrocarbon solution containing polymethylaluminoxane and trimethylaluminum to cause the precipitation of the solid polymethylaluminoxane composition; a polymerization catalyst for an olefin, which comprises the solid polymethylaluminoxane composition and a transition metal compound as catalyst components; and a process for producing an olefin polymer by using the polymerization catalyst.
    • 公开了:不使用二氧化硅等的具有较细颗粒形式的固体聚甲基铝氧烷组合物具有更均匀的粒径,并且当用于制备烯烃聚合物时表现出高聚合活性; 制备固体聚甲基铝氧烷组合物的方法; 聚合催化剂; 和烯烃聚合物的制造方法。 具体公开的是:固体聚甲基铝氧烷组合物,其铝含量为36〜41质量%,摩尔分数为12摩尔%以下,含有来自三甲基铝部分的甲基; 一种制备固体聚甲基铝氧烷组合物的方法,其包括加热含有聚甲基铝氧烷和三甲基铝的芳烃溶液以使固体聚甲基铝氧烷组合物沉淀的步骤; 用于烯烃的聚合催化剂,其包含固体聚甲基铝氧烷组合物和作为催化剂组分的过渡金属化合物; 以及使用聚合催化剂制造烯烃聚合物的方法。
    • 7. 发明公开
    • METHOD FOR PRODUCING SOLID POLYMETHYLALUMINOXANE COMPOSITION HAVING SMALL PARTICLE DIAMETER
    • 生产具有小颗粒直径的固体聚甲基铝氧烷组合物的方法
    • EP2862889A1
    • 2015-04-22
    • EP13770307.0
    • 2013-03-15
    • Tosoh Finechem Corporation
    • KAJI, EiichiYOSHIOKA, Etsuo
    • C08G79/10C08F4/6592C08F10/00C08L85/00
    • C08F110/02C07F5/061C08F4/65912C08F4/6592C08F4/65925C08F10/00C08G79/10C08L85/00Y10T428/2982C08F2500/03C08F4/6428
    • The present invention relates to a solid polymethylaluminoxane composition of uniform particle diameter in the form of fine particles of less than 5 µm employed to polymerize olefins with high polymerization activity without silica, to a method for manufacturing thereof, to a polymerization catalyst, and to a method for manufacturing a polyolefin. The present invention relates to a solid polymethylaluminoxane composition: wherein the aluminum content falls within a range of 36 mass% to 43 mass%; wherein the mole fraction of methyl groups derived from trimethylaluminum moieties relative to the total number of mols of methyl groups is 12 mol% or less; and that is particulate, with the median diameter based on volume falling within a range of 0.1 µm to less than 5 µm. In a step of heating an aromatic hydrocarbon solution containing trimethylaluminum and the polymethylaluminoxane to cause solid polymethylaluminoxane composition to precipitate, prior to or during the heat treating step, a dry, inert gas is bubbled through.
    • 本发明涉及用于聚合具有高聚合活性而不含二氧化硅的烯烃的小于5μm的细颗粒形式的均匀粒径的固体聚甲基铝氧烷组合物,其制备方法,聚合催化剂和 制造聚烯烃的方法。 本发明涉及固体聚甲基铝氧烷组合物:其中铝含量落入36质量%至43质量%的范围内; 其中衍生自三甲基铝部分的甲基相对于甲基摩尔总数的摩尔分数为12摩尔%或更少; 并且是颗粒状的,基于体积的中值直径落入0.1μm至小于5μm的范围内。 在加热包含三甲基铝和聚甲基铝氧烷的芳烃溶液以使固体聚甲基铝氧烷组合物沉淀的步骤中,在热处理步骤之前或期间,鼓入干燥的惰性气体。