Ethylene polymerization catalysts
    1.
    发明授权
    Ethylene polymerization catalysts 有权
    乙烯聚合催化剂

    公开(公告)号:US09562119B2

    公开(公告)日:2017-02-07

    申请号:US12786701

    申请日:2010-05-25

    CPC classification number: C08F110/02 C08F2500/12 C08F4/651 C08F4/6565

    Abstract: The present invention relates to solid catalyst components comprising a reaction product of a titanium compound, a magnesium compound, an alcohol, an aluminum alkoxide, a siloxane mixture, and a maleate derivative; and catalyst systems comprising the solid catalyst components and organoaluminum compounds. The present invention also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing ethylene using the catalyst systems.

    Abstract translation: 本发明涉及包含钛化合物,镁化合物,醇,醇铝,硅氧烷混合物和马来酸衍生物的反应产物的固体催化剂组分; 和包含固体催化剂组分和有机铝化合物的催化剂体系。 本发明还涉及制备固体催化剂组分和催化剂体系的方法,以及使用催化剂体系聚合或共聚乙烯的方法。

    Soluble magnesium dihalide complex, preparation and use
    7.
    发明授权
    Soluble magnesium dihalide complex, preparation and use 失效
    可溶性镁二卤化物络合物,的制备和使用

    公开(公告)号:US06875721B1

    公开(公告)日:2005-04-05

    申请号:US09582321

    申请日:1998-12-21

    CPC classification number: C08F10/00 C07F3/003 C08F4/6543 C08F4/6546

    Abstract: The invention relates to a complex comprising a magnesium dihalide and an electron donor. It is a complex of the magnesium dihalide and the electron donor and has the formula (I): MgX2·[R(OR′)n]m  (I) wherein MgX2 is the magnesium dihalide and R(OR′)n is the electron donor, X is a halogen, R is an n-valent C1-C20aliphatic group, an n-valent C7-C27 araliphatic group or an n-valent C2-C22 acylic group, R′ is a C1-C20 alkyl group or a C7-C27 aralkyl group, n is a number from 1 to 6 and m is defined as a number 0.5≦m≦2.0. The invention also relates to the preparation process of such a complex, as well as the use thereof for the preparation of olefin polymerization catalyst components.

    Abstract translation: 本发明涉及包含二卤化镁和电子给体的络合物。 它是二卤化镁和电子给体的络合物,具有式(I):其中MgX 2是二卤化镁,R(OR')n是电子给体,X是卤素,R是n价C1 -C 20脂族基团,n价C 7 -C 27芳脂族基团或n价C 2 -C 22酰基,R'为C 1 -C 20烷基或C 7 -C 27芳烷基,n为1〜6的数, m定义为数值0.5 <= m <= 2.0。 本发明还涉及这种络合物的制备方法以及其用于制备烯烃聚合催化剂组分的用途。

    Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use
    8.
    发明授权
    Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use 有权
    包含镁,钛,卤素和电子给体的催化剂组分,其制备和用途

    公开(公告)号:US06706655B2

    公开(公告)日:2004-03-16

    申请号:US09774580

    申请日:2001-02-01

    Abstract: The invention relates to a new process for the preparation of an olefin polymerization catalyst component, as well as a new polymerization catalyst component and its use. In the process, a magnesium dialkyl or diahlide or alkyl alkoxide is reacted with an alcohol and the reaction product is reacted with an unsaturated dicarboxylic acid dihalide and a titanium tetrahalide. Especially good catalyst activity and morphology are achieved by using a polyhydric alcohol such as ethylene glycol.

    Abstract translation: 本发明涉及一种制备烯烃聚合催化剂组分的新方法,以及新的聚合催化剂组分及其用途。 在此过程中,将二烷基或二氯化镁或烷基醇盐与醇反应,并使反应产物与不饱和二羧酸二卤化物和四卤化钛反应。 通过使用多元醇如乙二醇可以实现特别好的催化剂活性和形态。

    Process for making propylene homo or copolymers
    9.
    发明授权
    Process for making propylene homo or copolymers 失效
    制备丙烯均聚物或共聚物的方法

    公开(公告)号:US06339136B1

    公开(公告)日:2002-01-15

    申请号:US09308040

    申请日:1999-07-13

    Abstract: A process for homo or copolymerizing propylene, wherein propylene is polymerized in the presence of a catalyst at an elevated temperature in a reaction medium, in which a major part is formed by propylene. The polymerization is carried in at least one slurry reactor in the presence of liquid propylene at a temperature between 80° C. and the critical temperature of the reaction medium and a catalyst system producing within said temperature range a high productivity and essentially constant isotacticity within wide melt index range.

    Abstract translation: 丙烯均聚或共聚的方法,其中丙烯在催化剂存在下在升高的温度下在反应介质中聚合,其中主要部分由丙烯形成。 在液体丙烯存在下,在80℃和反应介质的临界温度和在所述温度范围内产生的催化剂体系之间的聚合反应在至少一个淤浆反应器中进行,生产率和基本上恒定的全同立构规整度 熔体指数范围。

    Process for the polymerization of &agr;-olefins, a catalyst used in the polymerization and its preparation

    公开(公告)号:US06288180B1

    公开(公告)日:2001-09-11

    申请号:US09147889

    申请日:1999-03-19

    CPC classification number: C08F10/00 C08F4/6543 C08F4/651

    Abstract: In the polymerization of C3-C12-&agr;-olefins, the activity of the catalyst and the isotacticity and molecular weight of the polymer product can be adjusted and improved in a controlled manner by a new process wherein A) a catalyst system is prepared by bringing a support which comprises magnesium chloride, a derivative thereof or a reagent forming it into contact with at least titanium tetrachloride or a reagent forming it, in order to produce a titanated support; by bringing the titanated support into contact with at least a group 1, 2 or 13 metal compound which contains a C1-C10-alkyl and activates titanium tetrachloride to a catalytically active titanium group, in order to produce an activated support; and by bringing a substance selected from among the said support, titanated support and activated support into contact with at least one donor or a reagent forming it, in order to produce a catalyst system B) polymerization is carried out using the catalyst system by bringing it into contact with at least a C3-C12-&agr;-olefin, whereupon poly-C3-C12-&agr;-olefin chains are formed in the catalytically active titanium groups, and preferably by bringing the said catalyst system, the said C3-C12-&agr;-olefin and the said poly-C3-C12-&agr;-olefin chains into contact with hydrogen or some other similar chain transfer agent, whereupon a poly-C3-C12-&agr;-olefin terminated with hydrogen or suchlike is formed. In the process the improvement is achieved so that, in step A), i) a first controlled amount of a less soluble internal donor and a second controlled amount of a more soluble internal donor are provided on the surface of the said support, titanated support or activated support, in order to produce an internal donoration product, and ii) the internal donoration product is brought into contact with at least one eluant eluting the more soluble internal donor and with at least one external donor or a reagent forming it, in order to produce an external donoration product, the catalyst system thereby formed having at least catalytically active titanium groups, the said first controlled amount of the less soluble internal donor and the said second controlled amount comprising external donor.

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