Method for the Preparation of Olefin Polymerisation Catalyst
    3.
    发明申请
    Method for the Preparation of Olefin Polymerisation Catalyst 失效
    烯烃聚合催化剂的制备方法

    公开(公告)号:US20080249263A1

    公开(公告)日:2008-10-09

    申请号:US11597865

    申请日:2005-06-02

    IPC分类号: C08F2/00 C08F4/44

    摘要: The invention is directed to a process for producing an olefin polymerization catalyst wherein a solution of a soluble magnesium complex containing an element of is Group 13 or 14 of the Periodic Table (IUPAC) is contacted with a halogen containing transition metal compound of Group 3 to 10 of the Periodic Table (IUPAC) to obtain a solid catalyst complex comprising as essential components Mg, said element of is Group 13 or 14 of the Periodic Table (IUPAC) and said transition metal compound.

    摘要翻译: 本发明涉及一种生产烯烃聚合催化剂的方法,其中将含有元素周期表(IUPAC)的第13或14族的可溶性镁络合物的溶液与第3族的含卤素的过渡金属化合物接触, 10的元素周期表(IUPAC),以获得包含作为必需组分Mg的固体催化剂络合物,所述元素是元素周期表(IUPAC)的第13或14族和所述过渡金属化合物。

    Process for preparing a Ziegler-Natta catalyst
    4.
    发明授权
    Process for preparing a Ziegler-Natta catalyst 失效
    齐格勒 - 纳塔催化剂的制备方法

    公开(公告)号:US06818584B2

    公开(公告)日:2004-11-16

    申请号:US10182371

    申请日:2002-07-29

    IPC分类号: B01J3100

    摘要: Especially homogeneous supported Ziegler-Natta catalysts may be prepared in a simple one reaction vessel process from a magnesium hydrocarbyloxy starting material which is soluble in a hydrocarbon solvent. The process comprises: (I) reacting a magnesium hydrocarbyloxy compound with a chlorine-containing compound in a non-polar hydrocarbon solvent in which said magnesium hydrocarbyloxy compound is soluble whereby to produce a solution (A); and then either: (II) contacting the solution (A) with a chlorine containing tetravalent titanium compound to produce a solution (B); (III) impregnating solution (B) into a porous particulate support; or (II) impregnating solution (A) into a porous particulate support; and (III) contacting the solid support with a chlorine containing tetravalent titanium compound; or (II) impregnating solution (A) into a porous particulate support pretreated with a chlorine containing tetravalent titanium compound.

    摘要翻译: 特别均匀的齐格勒 - 纳塔催化剂可以在简单的一种反应容器方法中由可溶于烃溶剂的镁烃氧基起始原料制备。 该方法包括:(I)使镁烃氧基化合物与含氯化合物在其中所述镁烃氧基化合物可溶的非极性烃溶剂中反应,从而产生溶液(A); 然后:(II)使溶液(A)与含氯的四价钛化合物接触以产生溶液(B); (III)浸渍溶液(B)加入到多孔颗粒载体中; 或(II)浸渍溶液(A)进入多孔颗粒载体; 和(III)使固体载体与含氯四价钛化合物接触; 或(II)浸渍溶液(A)加入用含氯四价钛化合物预处理的多孔颗粒载体中。

    Multi-stage process for producing multi-modal linear low density polyethylene
    5.
    发明授权
    Multi-stage process for producing multi-modal linear low density polyethylene 有权
    生产多模式线性低密度聚乙烯的多阶段工艺

    公开(公告)号:US08409681B2

    公开(公告)日:2013-04-02

    申请号:US13126496

    申请日:2010-02-22

    摘要: A process is disclosed for producing a multi-modal linear low density polyethylene in at least two staged reactors connected in series, comprising (i) polymerizing in a first slurry phase stage ethylene monomers with a Ziegler-Natta polymerization catalyst system to obtain a first polyethylene fraction component (A); and (ii) polymerizing in a second gas or slurry phase stage ethylene monomers with a Ziegler-Natta polymerization catalyst system to obtain a second polyethylene fraction component (B). The Ziegler-Natta polymerization catalyst system comprises: 1) a solid procatalyst formed by contacting at least: a) a Mg-alcoholate complex of formula (I) b) an aluminum compound of formula (II); and c) a vanadium compound and a titanium compound having a molar ratio (V:Ti) from 10:90 to 90:10; and 2) one or more organometallic cocatalvsts of formula (III). The linear low density polyethylene shows an improved comonomer composition distribution Formulas (I), (II), and (III) are described herein.

    摘要翻译: 公开了一种用于在至少两个分级反应器中串联生产多模式线性低密度聚乙烯的方法,其包括(i)在第一浆液阶段中聚合乙烯单体与齐格勒 - 纳塔聚合催化剂体系以获得第一聚乙烯 级分组分(A); 和(ii)在齐格勒 - 纳塔聚合催化剂体系中在第二气体或浆料相阶段中聚合乙烯单体以获得第二聚乙烯级分组分(B)。 齐格勒 - 纳塔聚合催化剂体系包括:1)通过使至少a)使式(I)的Mg-醇合物络合物b)式(II)的铝化合物与式 和c)钒化合物和摩尔比(V:Ti)为10:90至90:10的钛化合物; 和2)式(III)的一种或多种有机金属助催化剂。 线性低密度聚乙烯显示改进的共聚单体组成分布本文描述了式(I),(II)和(III)。

    Procatalyst for ethylene polymer production, method for its preparation
and use
    7.
    发明授权
    Procatalyst for ethylene polymer production, method for its preparation and use 失效
    用于乙烯聚合物生产的主催化剂,其制备和使用方法

    公开(公告)号:US6034026A

    公开(公告)日:2000-03-07

    申请号:US14674

    申请日:1998-01-28

    CPC分类号: C08F110/02 C08F110/06

    摘要: The invention relates to a process for the preparation of a high activity procatalyst for the production of ethylene polymers. The process according to the present invention comprises the following steps:(a) contacting the inorganic support with an alkyl metal chloride which is soluble in non-polar hydrocarbon solvents, and has the formula(R.sub.n MeCl.sub.3-n).sub.m (1)wherein R is a C.sub.1 -C.sub.20 aklyl group, Me is a metal of group III(13) of the periodic table, n=1 or 2 and m=1 or 2, to give a first reaction product,(b) contacting said first reaction product with a compound or mixture containing hydrocarbyl and hydrocarbyl oxide linked to magnesium which is soluble in non-polar hydrocarbon solvents, to give a second reaction product, and(c) contacting said second reaction product with a titanium compound which contains chlorine, having the formulaCl.sub.x Ti(OR.sup.IV).sub.4-x (2)wherein R.sup.IV is a C.sub.2 -C.sub.20 hydrocarbyl group and x is 3 or 4, to give said procatalyst.

    摘要翻译: 本发明涉及制备用于生产乙烯聚合物的高活性前催化剂的方法。 根据本发明的方法包括以下步骤:(a)使无机载体与可溶于非极性烃溶剂的烷基金属氯化物接触,并具有式(RnMeCl 3-n)m(1)其中R为 C 1 -C 20亚烷基,Me是周期表III(13)的金属,n = 1或2,m = 1或2,得到第一反应产物,(b)使所述第一反应产物与 与可溶于非极性烃溶剂的镁连接的烃基和烃基氧化物的化合物或混合物,得到第二反应产物,和(c)使所述第二反应产物与含有氯的钛化合物接触,所述钛化合物具有式Cl x Ti( ORIV)4-x(2)其中RIV为C 2 -C 20烃基,x为3或4,得到所述前催化剂。

    Procatalyst for ethylene polymer production, method for its preparation
and use
    9.
    发明授权
    Procatalyst for ethylene polymer production, method for its preparation and use 失效
    用于乙烯聚合物生产的主催化剂,其制备和使用方法

    公开(公告)号:US5770540A

    公开(公告)日:1998-06-23

    申请号:US492799

    申请日:1995-06-20

    摘要: The invention relates to a procatalyst for the production of ethylene polymers, which procatalyst comprises an inorganic support, a chlorine compound carried on said support, a magnesium compound carried on said support, a titanium compound carried on said support, whereby the chlorine compound can be different from or the same as the magnesium compound and/or the titanium compound. The activity balance AB of the procatalyst in specified polymerization conditions, is AB>3.2 wherein AB=�(A+A'):2!.multidot.�log (MFR.sub.2 ':MFR.sub.2):(A-A')!, A means polymerization activity expressed an kg PE/g cat .multidot.h, MFR.sub.2 means the melt flow rate in g/min units at a load of 2,16 kg, according to the standard ISO 1133, the absence of the upper index ' means low melt flow rate polymerization and the presence of the upper index ' means high melt flow polymerization. This means that the catalyst activity is relatively independent of the presence of chain transfer agents.

    摘要翻译: 本发明涉及一种用于生产乙烯聚合物的前催化剂,其主催化剂包括无机载体,载体上携带的氯化合物,载体上的镁化合物,载于所述载体上的钛化合物,其中氯化合物可以是 与镁化合物和/或钛化合物不同或相同。 在规定的聚合条件下,前催化剂的活性平衡AB为AB> 3.2其中AB = [(A + A'):2] x [log(MFR 2':MFR 2):( A-A')]],A表示聚合活性 表示kg PE / g cat xh,MFR2是指根据ISO 1133标准,在2,16kg载荷下的熔体流动速率,单位为g / min,上限指数为“低熔体流动速率聚合”, 上指数的存在意味着高熔体流动聚合。 这意味着催化剂活性相对独立于链转移剂的存在。

    IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION
    10.
    发明申请
    IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION 审中-公开
    改进的乙烯聚合催化剂组合物

    公开(公告)号:US20120095172A1

    公开(公告)日:2012-04-19

    申请号:US13263173

    申请日:2010-04-26

    摘要: Ziegler-Natta catalyst composition capable of producing ethylene/alpha-olefins copolymers, particularly linear low density polyethylene; the composition having an improved stability of its behaviour during polymerization in respect to time. The Ziegler-Natta catalyst composition comprises: 1. Ziegler-Natta catalyst composition for the production of ethylene copolymers comprising A) a procatalyst, which procatalyst comprises a) an Al compound having the formula Al(alkyl)xCl3-x (I), where alkyl is an alkyl group with 1 to 12 and 0≦x≦3, b) a magnesium hydrocarbyloxy compound of formula Mg(OR1)2-n(R2)n (II), wherein each R1 and R2 is independently a C1-20 hydrocarbon residue which may optionally be substituted with halogen and 0≦n

    摘要翻译: 能够生产乙烯/α-烯烃共聚物,特别是线性低密度聚乙烯的齐格勒 - 纳塔催化剂组合物; 该组合物在聚合过程中相对于时间具有改进的其行为稳定性。 齐格勒 - 纳塔催化剂组合物包括:1.用于生产乙烯共聚物的齐格勒 - 纳塔催化剂组合物,其包含A)前催化剂,其前体催化剂包含a)具有式Al(烷基)xCl 3-x(I)的Al化合物,其中 烷基是具有1至12和0和nlE; x和nlE; 3,b)式Mg(OR 1)2-n(R 2)n(II)的镁烃氧基化合物的烷基,其中每个R 1和R 2独立地是C 1-20 可以任选被卤素取代的烃残基,n <2和c)式ClyTi(OR 3)4-y(III)的含氯钛化合物,其中R3是C2-20烃基,y是 1,2,3或4,化合物a),b)和c)负载在颗粒状无机载体上,B)式(Ⅳ)卤代烷基铝助催化剂(C 1 -C 4烷基)m-Al- X3-m,其中X是氯,溴,碘或氟,m是1或2。