利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

48 条记录 (耗时 0.032 秒)

    Supported catalysts for the polymerization of olefins
    32.
    发明授权
    Supported catalysts for the polymerization of olefins 失效
    用于烯烃聚合的负载催化剂

    公开(公告)号：US06423660B1

    公开(公告)日：2002-07-23

    申请号：US09004867

    申请日：1998-01-09

    申请人： Enrico Albizzati ,  Tiziano Dall'Occo ,  Luigi Resconi ,  Fabrizio Piemontesi

    发明人： Enrico Albizzati ,  Tiziano Dall'Occo ,  Luigi Resconi ,  Fabrizio Piemontesi

    IPC分类号： C08F444

    CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65922 ,  C08F110/02 ,  C08F210/16 ,  Y10S526/904 ,  Y10S526/943 ,  C08F4/602 ,  C08F4/63916 ,  C08F2500/17 ,  C08F2500/18 ,  C08F2500/20 ,  C08F210/08

    摘要： Supported catalysts for the polymerization of olefins comprise the following components: (A) a porous organic support functionalised with groups having active hydrogen atoms; (B) an organo-metallic compound of aluminium containing heteroatoms selected from oxygen, nitrogen and sulphur; and (C) a compound of a transition metal selected from those of groups IVb, Vb or VIb of the Periodic Table of the Elements, containing ligands of the cyclopentadienyl type. These supported catalysts, obtainable in the form of spherical particles, can be used in the polymerization reaction of olefins either in liquid or in gas phase, thus producing polymers endowed with a controlled morphology and with a high bulk density.

    摘要翻译： 用于烯烃聚合的载体催化剂包括以下组分：（A）用具有活性氢原子的基团官能化的多孔有机载体;（B）含有选自氧，氮和硫的杂原子的铝的有机金属化合物; 和（C）选自元素周期表IVb，Vb或VIb族中的过渡金属的化合物，其含有环戊二烯基型配体。可以使用可以球形颗粒形式获得的这些负载型催化剂 在烯烃在液相或气相中的聚合反应中，从而产生具有受控形态和高体积密度的聚合物。

    Catalyst system for olefin polymerization
    33.
    发明授权
    Catalyst system for olefin polymerization 失效
    用于烯烃聚合的催化剂体系

    公开(公告)号：US06395668B1

    公开(公告)日：2002-05-28

    申请号：US09868078

    申请日：2001-06-13

    申请人： Jan F. van Baar ,  Peter A. Schut ,  Andrew D. Horton ,  Tiziano Dall'Occo

    发明人： Jan F. van Baar ,  Peter A. Schut ,  Andrew D. Horton ,  Tiziano Dall'Occo

    IPC分类号： B01J3118

    CPC分类号： C08F10/02 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F4/6028 ,  C08F2500/17 ,  C08F2500/03 ,  C08F2500/20 ,  C08F2500/09 ,  C08F210/06 ,  C08F4/7042 ,  C08F4/7006 ,  C08F4/7022 ,  C08F4/7004 ,  C08F4/7021

    摘要： It is disclosed a new catalyst system for the polymerization of olefins comprising the product obtainable by contacting the following components: (A) one or more compounds of a late transition metal belonging to Group 8-11 of the Periodic Table; and (B) the reaction product of water with one or more organometallic aluminum compounds of formula (IV): Al(CH2—CR3R4R5)xR6yHz, wherein R3 is a C1-C20 alkyl, C3-C20 cycloalkyl or C7-C20 alkylaryl radical; R4 is different from a straight alkyl and is a C3-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 alkylaryl or C7-C20 arylalkyl radical; or R3 and R4 form together a C4-C6 ring; R5 is hydrogen or a C1-C20 alkyl, C6-C20 aryl, C7-C20 alkylaryl or arylalkyl radical; R6 is a C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 alkylaryl or C7-C20 arylalkyl radical; x is 1-3; z is 0-1; and y is 3−x−z; the molar ratio between said organometallic aluminum compound and water being comprised between 0.5:1 and 100:1.

    摘要翻译： 公开了一种用于烯烃聚合的新型催化剂体系，其包括通过使以下组分接触可获得的产物：（A）一种或多种属于元素周期表第8-11族的后过渡金属的化合物; 和（B）水与一种或多种式（IV）的有机金属铝化合物的反应产物：Al（CH 2 -CR 3 R 4 R 5）xR 6yHz，其中R 3是C 1 -C 20烷基，C 3 -C 20环烷基或C 7 -C 20烷基芳基; R 4不同于直链烷基，并且是C 3 -C 20烷基，C 3 -C 20环烷基，C 6 -C 20芳基，C 7 -C 20烷基芳基或C 7 -C 20芳基烷基; 或R 3和R 4一起形成C 4 -C 6环; R5是氢或C1-C20烷基，C6-C20芳基，C7-C20烷基芳基或芳基烷基; R6是C1-C20烷基，C3-C20环烷基，C6-C20芳基，C7-C20烷基芳基或C7-C20芳基烷基; x为1-3; z为0-1; y为3-x-z; 所述有机金属铝化合物与水的摩尔比为0.5:1至100:1。

    Vanadium based components and catalysts for the polymerization of olefins and polymerization processes using the same
    36.
    发明授权
    Vanadium based components and catalysts for the polymerization of olefins and polymerization processes using the same 失效
    用于烯烃聚合的钒基组分和催化剂以及使用其的聚合方法

    公开(公告)号：US5922632A

    公开(公告)日：1999-07-13

    申请号：US936888

    申请日：1997-09-25

    申请人： Umberto Zucchini, deceased ,  Tiziano Dall'Occo ,  Antonella Angelini

    发明人： Umberto Zucchini, deceased ,  Tiziano Dall'Occo ,  Antonella Angelini

    IPC分类号： C08F4/68 ,  C08F4/20 ,  C08F4/60 ,  C08F4/62 ,  C08F10/00

    CPC分类号： C08F10/00

    摘要： Catalysts component of the (co)polymerization of alpha-olefins CH.sub.2 .dbd.CHR, wherein R is hydrogen or an alkyl radical having from 1 to 8 carbon atoms, comprising a product of the composition:VCL.sub.y.z(b)wherein (b) represents an organic compound selected from alkyl, aryl and acyl halides, y is a number higher than 2 and lower than 4, and preferably comprised between 2.5 and 3.5 and z is a number higher than zero and lower than or equal to 2, and preferably between 0.002 and 1. Components can be obtained as products of the reaction, carried out at temperatures higher than 10.degree. C., between VCl.sub.4 and the compound (b). Particularly preferred among compounds (b) are benzoyl chloride, p-methoxybenzoyl chloride and p-chloro benzoyl chloride. From the components of the invention, either supported or not, catalysts having high activity particularly useful for the production of ethylene polymers showing broad molecular weight distribution can be prepared.

    摘要翻译： α-烯烃CH 2 = CHR（其中R为氢或具有1至8个碳原子的烷基）的（共）聚合的催化剂组分包含组成为VCLy.z（b）的产物，其中（b）表示 选自烷基，芳基和酰基卤的有机化合物，y为高于2且低于4的数，优选为2.5至3.5，z为高于零且小于或等于2的数，并且优选为 0.002和1.可以在VCl 4和化合物（b）之间，在高于10℃的温度下进行反应的产物。 化合物（b）中特别优选苯甲酰氯，对甲氧基苯甲酰氯和对氯苯甲酰氯。 从本发明的组分，无论是否负载，可以制备具有高活性的催化剂，特别可用于生产显示宽分子量分布的乙烯聚合物。

    Catalysts and processes for the polymerization of olefins
    37.
    发明授权
    Catalysts and processes for the polymerization of olefins 失效
    催化剂和烯烃聚合方法

    公开(公告)号：US5849653A

    公开(公告)日：1998-12-15

    申请号：US503948

    申请日：1995-07-19

    申请人： Tiziano Dall'Occo ,  Maurizio Galimberti ,  Luigi Resconi ,  Enrico Albizzati ,  Gianni Pennini

    发明人： Tiziano Dall'Occo ,  Maurizio Galimberti ,  Luigi Resconi ,  Enrico Albizzati ,  Gianni Pennini

    IPC分类号： C08F4/642 ,  C08F4/64 ,  C08F4/648 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/02 ,  C08F10/06 ,  C08F110/02 ,  C08F110/06 ,  C08F210/16

    CPC分类号： C08F10/00 ,  C08F10/02 ,  C08F10/06 ,  C08F110/02 ,  C08F110/06 ,  C08F210/16 ,  C08F4/65912 ,  C08F4/65922 ,  Y10S526/943

    摘要： Catalysts for the polymerization of olefins are disclosed, which comprise the reaction product of: (A) a bridged and/or substituted cyclopentadienyl compound of titanium, zirconium or hafnium; (B) an organometallic aluminum compound of the formula (II): Al(CH.sub.2 --CR.sup.4 R.sup.5 R.sup.6).sub.w R.sup.7.sub.y H.sub.z(II) wherein in the (CH.sub.2 --CR.sup.4 R.sup.5 R.sup.6) groups, which are the same or different, R.sup.4 is an alkyl, alkenyl or arylalkyl group having from 1 to 10 carbon atoms, R.sup.5 is an alkyl, alkenyl, aryl, arylalkyl or alkylaryl group having from 3 to 50 carbon atoms which is different from a straight alkyl or alkenyl group and, optionally, R.sup.4 and R.sup.5 fused together can form a ring having from 4 to 6 carbon atoms, R.sup.6 is hydrogen or an alkyl, alkenyl or arylalkyl group having from 1 to 10 carbon atoms, the R.sup.7 substituents, same or different, are alkyl, alkenyl, aryl, arylalkyl or alkylaryl radicals containing from 1 to 10 carbon atoms and, optionally, can contain Si or Ge atoms, w is 1, 2 or 3, z is 0 or 1, y=3-w-z; and (C) water. The molar ratio aluminum/water is comprised between 1:1 and 100:1. These catalysts show an improved activity with respect to known catalysts wherein an aluminum compound different from those of the above formula is used.

    摘要翻译： 公开了用于烯烃聚合的催化剂，其包含以下反应产物：（A）钛，锆或铪的桥连和/或取代的环戊二烯基化合物; （B）式（II）的有机金属铝化合物：Al（CH2-CR4R5R6）wR7yHz（Ⅱ）其中在相同或不同的（CH2-CR4R5R6）基团中，R4是烷基，烯基或芳基烷基 具有1至10个碳原子，R 5是具有3至50个碳原子的烷基，烯基，芳基，芳基烷基或烷基芳基，其不同于直链烷基或烯基，并且任选地，R 4和R 5稠合在一起可以形成 具有4至6个碳原子的环，R 6是氢或具有1至10个碳原子的烷基，链烯基或芳基烷基，相同或不同的R 7取代基是含1个碳原子的烷基，烯基，芳基，芳烷基或烷芳基 至10个碳原子，并且任选地可以含有Si或Ge原子，w是1,2或3，z是0或1，y = 3-wz; 和（C）水。 铝/水的摩尔比为1:1至100:1。 这些催化剂相对于已知的催化剂显示出改善的活性，其中使用与上式不同的铝化合物。

    Catalyst components for the polymerization of olefins and catalysts therefrom obtained
    39.
    发明申请
    Catalyst components for the polymerization of olefins and catalysts therefrom obtained 审中-公开
    用于烯烃聚合的催化剂组分及其催化剂

    公开(公告)号：US20100029869A1

    公开(公告)日：2010-02-04

    申请号：US12448288

    申请日：2007-12-10

    申请人： Giampiero Morini ,  Tiziano Dall'Occo ,  Dario Liguori ,  Joachim T.M. Pater ,  Gianni Vitale

    发明人： Giampiero Morini ,  Tiziano Dall'Occo ,  Dario Liguori ,  Joachim T.M. Pater ,  Gianni Vitale

    IPC分类号： C08F4/52 ,  B01J27/138 ,  B01J27/135

    CPC分类号： C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F4/6555 ,  C08F4/6543 ,  C08F2500/12 ,  C08F2500/18

    摘要： A catalyst component comprising Ti, Mg, Cl, and optionally ORI groups in which RI is a C1-C20 hydrocarbon group up to an amount such as to give a molar ORI/Ti ratio lower than 0.5, characterized by the following properties: surface area, determined by BET method, of lower than 80 m2/g, a total porosity (PT), measured by the mercury method, in the range of 0.60-1.50 cm3/g a difference (PT−PF) of higher than 0.1 in which PT is the total porosity and PF is the porosity due to pore with radius equal to or less than 1 μm; an amount of Ti in the catalyst component of less that 10% wt based on the total weight of catalyst component. The said catalyst components show high morphological stability under the low molecular weight ethylene polymerization conditions while at the same time maintaining characteristics of high activity.

    摘要翻译： 一种催化剂组分，其包含Ti，Mg，Cl和任选的ORI基团，其中RI是C1-C20烃基，直到其摩尔ORI / Ti比低于0.5，其特征在于以下性质：表面积 通过BET法测定，低于80m2 / g，通过汞法测量的总孔隙率（PT）在0.60-1.50cm 3 / ga差异（PT-PF）的范围内高于0.1的PT，其中PT 是总孔隙率，PF是由于具有等于或小于1um的孔的孔隙度; 基于催化剂组分的总重量，催化剂组分中Ti的量小于10％wt。 所述催化剂组分在低分子量乙烯聚合条件下显示出高的形态稳定性，同时保持高活性的特性。