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    Catalyst system for olefin polymerization
    2.
    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。

    Process for preparing crystalline ethylene (co)polymers
    5.
    发明授权
    Process for preparing crystalline ethylene (co)polymers 有权
    制备结晶乙烯（共）聚合物的方法

    公开(公告)号：US07834117B2

    公开(公告)日：2010-11-16

    申请号：US11887527

    申请日：2006-03-15

    申请人： Giampiero Morini ,  Isabella Camurati ,  Tiziano Dall'Occo ,  Dario Liguori ,  Gianni Vitale

    发明人： Giampiero Morini ,  Isabella Camurati ,  Tiziano Dall'Occo ,  Dario Liguori ,  Gianni Vitale

    IPC分类号： C08F110/02

    CPC分类号： C08F10/00 ,  C08F210/16 ,  C08F4/6543 ,  C08F4/6565 ,  C08F210/08 ,  C08F2500/12

    摘要： A process for preparing crystalline ethylene (co)polymers comprising (co)polymerizing ethylene in the presence of carried out in the presence catalyst system comprising (a) a solid catalyst component comprising Ti, Mg, halogen, ORI groups, where RI is a C1-C12 hydrocarbon group optionally containing heteroatoms, having ORI/Ti molar ratio of at least 0.5, an amount of titanium, with respect to the total weight of said solid catalyst component, higher than 4% by weight, and showing a specific pattern of the SS-NMR; and (b) an aluminum alkyl compound as a cocatalyst. The process allows to obtain in good yields ethylene polymers with narrow MWD.

    摘要翻译： 在包含（a）包含Ti，Mg，卤素，ORI基团的固体催化剂组分的情况下，在存在催化剂体系的情况下，制备结晶乙烯（共）聚合物的方法，包括（共）聚合乙烯，其中RI是C1 -C12烃基，任选地含有杂原子，ORI / Ti摩尔比至少为0.5，相对于所述固体催化剂组分的总重量，钛的量高于4重量％，并且显示了 SS-NMR; 和（b）作为助催化剂的烷基铝化合物。 该方法允许以良好的产率获得具有窄MWD的乙烯聚合物。

    Catalyst components for the polymerization of olefins
    10.
    发明授权
    Catalyst components for the polymerization of olefins 失效
    用于烯烃聚合的催化剂组分

    公开(公告)号：US07208436B2

    公开(公告)日：2007-04-24

    申请号：US10517587

    申请日：2003-05-19

    申请人： Tiziano Dall'Occo ,  Gianfrancesco Margelli

    发明人： Tiziano Dall'Occo ,  Gianfrancesco Margelli

    IPC分类号： C08F4/42

    CPC分类号： C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F4/651 ,  C08F4/6365 ,  C08F2500/12 ,  C08F2500/20 ,  C08F210/08

    摘要： Catalyst components for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a hydrocarbon radical having 1–12 carbon atoms, comprising Mg, Ti, Cl, OR groups, where R is a C1–C10 alkyl group optionally containing heteroatoms, and an ether having two or more ether groups, characterized by the fact that the Mg/Ti weight ratio is lower than 3 from 2 to 6.5 the Cl/Ti weight ratio is from 1.5 to 6, the OR/Ti weight ratio is from 0.5 to 3.5 and at least 50% of the Titanium atoms are in a valence state lower than 4. The said catalyst components allow the preparation of ethylene copolymers with a low content of xylene soluble fractions.

    摘要翻译： 用于烯烃CH 2 -CHR的聚合的催化剂组分，其中R是氢或具有1-12个碳原子的烃基，其包含Mg，Ti，Cl，OR基团，其中R是C1- 任选含有杂原子的C10烷基和具有两个或更多个醚基的醚，其特征在于Mg / Ti重量比低于3的值为2至6.5，Cl / Ti重量比为1.5至6，OR / Ti重量比为0.5-3.5，并且至少50％的钛原子处于低于4的价态。所述催化剂组分允许制备低二甲苯可溶组分含量的乙烯共聚物。