Process for preparing a catalyst support for polymerization of &agr;-olefins, and support thus obtained
    3.
    发明授权
    Process for preparing a catalyst support for polymerization of &agr;-olefins, and support thus obtained 失效
    制备α-烯烃聚合催化剂载体的方法和由此获得的载体

    公开(公告)号:US06803428B2

    公开(公告)日:2004-10-12

    申请号:US10278817

    申请日:2002-10-24

    Abstract: A process is provided for preparing a catalyst support for polymerizing &agr;-olefins comprising the steps of: (i) reacting, in the presence of a first electron donor, a chlorine-containing organic compound and a prior mixture of an alkylmagnesien and an aluminoxane and/or aluminosiloxane and/or alkylaluminum and, optionally, a second electron donor; and (ii) activating a product from step (i) in suspension in an inert liquid by means of an activation electron donor, together with the support thus obtained, a catalyst for polymerizing &agr;-olefins, comprising this catalyst support and a group IV transition metal halide, and a process for polymerizing &agr;-olefins, particularly propylene, comprising contacting the &agr;-olefin with the catalyst.

    Abstract translation: 提供了一种制备用于聚合α-烯烃的催化剂载体的方法,包括以下步骤:(i)在第一电子给体存在下使含氯有机化合物和烷基胺和铝氧烷的先前混合物和 /或铝硅氧烷和/或烷基铝和任选的第二电子给体; 和(ii)通过活化电子给体将惰性液体中的步骤(i)中的产物与由此获得的载体一起活化用于聚合α-烯烃的催化剂,其包含该催化剂载体和IV族转化 金属卤化物,以及聚合α-烯烃,特别是丙烯的方法,包括使α-烯烃与催化剂接触。

    Process for treating a catalytic component, resultant component, and
polymerization of ethylene using such component
    5.
    发明授权
    Process for treating a catalytic component, resultant component, and polymerization of ethylene using such component 失效
    使用这种组分处理催化组分,所得组分和乙烯聚合的方法

    公开(公告)号:US5484754A

    公开(公告)日:1996-01-16

    申请号:US6619

    申请日:1993-01-21

    CPC classification number: C01F5/34 C08F10/02

    Abstract: A process for the polymerization of ethylene or the copolymerization of ethylene with an alpha-olefin, in suspension or in gas phase, in the presence of a catalyst consisting essentially of a cocatalyst and a catalytic component based on at least Mg, Ti and Cl, with the catalytic component being constituted of at least one derivative of magnesium and one chlorinated derivative of titanium in its form III and/or IV, which was subjected, prior to its use, to a reduction treatment and then to treatment with a chlorinated transition metal compound, with the said catalytic component being characterized in that the magnesium derivative is in the form MgCl.sub.2.MgO.

    Abstract translation: 在基本上由至少基于Mg,Ti和Cl的助催化剂和催化组分组成的催化剂存在下,乙烯聚合或乙烯与α-烯烃在悬浮液或气相中的共聚合的方法, 其催化组分由至少一种镁衍生物和一种其形式为III和/或IV的钛的一种氯化衍生物构成,其在使用前经受还原处理,然后用氯化过渡金属 化合物,所述催化组分的特征在于镁衍生物为MgCl 2 .MgO形式。

    Process for the polymerization of ethylene and catalytic component
therefor
    8.
    发明授权
    Process for the polymerization of ethylene and catalytic component therefor 失效
    乙烯及其催化组分的聚合方法

    公开(公告)号:US5563225A

    公开(公告)日:1996-10-08

    申请号:US320053

    申请日:1994-10-07

    CPC classification number: C08F10/02

    Abstract: A catalytic component having controlled structure for use in combination with a cocatalyst for the polymerization of ethylene, and being the product of the process of subjecting a component consisting essentially of titanium, magnesium, and chlorine to a reduction treatment and after such treatment contacting the component with a transition metal chlorine-containing compound and process of polymerizing ethylene using such catalytic component to produce polymers having a broad molecular weight distribution.

    Abstract translation: 具有控制结构的催化组分,其与用于乙烯聚合的助催化剂组合使用,并且是将基本上由钛,镁和氯组成的组分进行还原处理的过程的产物,并且在这样的处理之后,使组分 使用过渡金属含氯化合物和使用这种催化组分聚合乙烯的方法来生产具有宽分子量分布的聚合物。

    Process for the polymerization of ethylene and catalytic component
therefor
    9.
    发明授权
    Process for the polymerization of ethylene and catalytic component therefor 失效
    乙烯和其催化组分的聚合方法

    公开(公告)号:US5151396A

    公开(公告)日:1992-09-29

    申请号:US436059

    申请日:1989-11-13

    CPC classification number: C08F10/02

    Abstract: A catalytic component having controlled strucuture for use in combination with a cocatalyst for the polymerization of ethylene, and being the product of the process of subjecting a component consisting essentially of titanium, magnesium, and chlorine to a reduction treatment and after such treatment contacting the component with a transition metal chlorine-containing compound and process of polymerizing ethylene using such catalytic component to produce polymers having a broad molecular weight distribution.

    Abstract translation: 具有控制结构的催化组分,其用于与用于乙烯聚合的助催化剂组合使用,并且是将基本上由钛,镁和氯组成的组分进行还原处理的过程的产物,并且在这样的处理使组分 使用过渡金属含氯化合物和使用这种催化组分聚合乙烯的方法来生产具有宽分子量分布的聚合物。

    Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process
    10.
    发明授权
    Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process 失效
    在烯烃聚合中的茂金属催化剂的活化剂固体载体,制备这种载体的方法以及相应的催化体系和聚合方法

    公开(公告)号:US06780946B2

    公开(公告)日:2004-08-24

    申请号:US10402939

    申请日:2003-04-01

    Abstract: Activator solid support for metallocenes as catalysts in the polymerization of olefins, characterized in that it consists of a group of support particles for a solid catalytic component, which are formed from at least one porous mineral oxide, the said particles having been modified in order to carry, on the surface, aluminum and/or magnesium Lewis-acid sites of formula: groups coming from a functionalization agent having reacted with —OH radicals carried by the base particles of the support, the functionalization reaction having been followed by a fluorination reaction. The catalytic system according to the invention comprises (a) a metallocene catalyst, which has, if required, been subjected to a prealkylation treatment; (b) a cocatalyst; and (c) an activator solid support for metallocene, as defined above, it being possible for the cocatalyst (b) to be absent if the metallocene catalyst (a) has been prealkylated.

    Abstract translation: 在烯烃聚合中作为催化剂的金属茂的活化剂固体支持物,其特征在于它由一组由至少一种多孔矿物氧化物形成的固体催化组分的载体颗粒组成,所述颗粒已被修饰以便 在表面上携带下式的铝和/或镁路易斯酸位点:来自与由载体的基础颗粒携带的-OH自由基反应的官能化试剂的基团,官能化反应随后进行氟化反应。 根据本发明的催化体系包括(a)茂金属催化剂,如果需要,其进行预烷基化处理; (b)助催化剂; 如上所述,如果茂金属催化剂(a)已经被烷基化,则助催化剂(b)可能不存在,而且(c)金属茂的活化剂固体载体。

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