利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

9 条记录 (耗时 0.022 秒)

    Catalyst system for the polymerization of alkenes to polyolefins
    2.
    发明授权
    Catalyst system for the polymerization of alkenes to polyolefins 有权
    用于将烯烃聚合成聚烯烃的催化剂体系

    公开(公告)号：US06693153B2

    公开(公告)日：2004-02-17

    申请号：US10267988

    申请日：2002-10-08

    申请人： Stephen A. Miller ,  John E. Bercaw

    发明人： Stephen A. Miller ,  John E. Bercaw

    IPC分类号： C08F444

    CPC分类号： C08F4/65927 ,  B01J31/2295 ,  B01J2531/30 ,  B01J2531/40 ,  B01J2531/48 ,  B01J2531/49 ,  B01J2531/50 ,  C07F17/00 ,  C08F4/65912 ,  C08F110/06 ,  Y10S526/943 ,  C08F2500/15 ,  C08F2500/03 ,  C08F2500/21 ,  C08F2500/12 ,  C08F2500/20

    摘要： The invention provides metallocene catalyst systems for the controlled polymerization of alkenes to a wide variety of polyolefins and olefin coplymers. Catalyst systems are provided that specifically produce isotactic, syndiotactic and steroblock polyolefins. The type of polymer produced can be controlled by varying the catalyst system, specifically by varying the ligand substituents. Such catalyst systems are particularly useful for the polymerization of polypropylene to give elastomeric polypropylenes. The invention also provides novel elastomeric polypropylene polymers characterized by dyad (m) tacticities of about 55% to about 65%, pentad (mmmm) tacticities of about 25% to about 35%, molecular weights (MW) in the range of about 50,000 to about 2,000,000, and have mmrm+rrmr peak is less than about 5%.

    摘要翻译： 本发明提供茂金属催化剂体系，用于将烯烃受控聚合到各种各样的聚烯烃和烯烃共聚物。 提供了具体产生全同立构，间同立构和固定嵌段聚烯烃的催化剂体系。 所生产的聚合物的类型可以通过改变催化剂体系来控制，特别是通过改变配体取代基。 这样的催化剂体系特别可用于聚丙烯以产生弹性体聚丙烯。 本发明还提供了新颖的弹性体聚丙烯聚合物，其特征在于约55％至约65％的二重（m）策略，约25％至约35％的五（mmmm）策略，约50,000至约35％的分子量（MW） 约2,000,000，并且mmrm + rrmr峰值小于约5％。

    Stereospecific olefin polymerization catalysts
    4.
    发明授权
    Stereospecific olefin polymerization catalysts 失效
    立体特异性烯烃聚合催化剂

    公开(公告)号：US5708101A

    公开(公告)日：1998-01-13

    申请号：US696004

    申请日：1996-08-12

    申请人： John E. Bercaw ,  Timothy A. Herzog

    发明人： John E. Bercaw ,  Timothy A. Herzog

    IPC分类号： C07F17/00 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/642 ,  C08F10/00

    CPC分类号： C07F17/00 ,  C08F10/00 ,  C08F4/61912 ,  C08F4/61927 ,  Y10S526/943

    摘要： A metallocene catalyst system for the polymerization of .alpha.-olefins to yield stereospecific polymers including syndiotactic, and isotactic polymers. The catalyst system includes a metal and a ligand of the formula ##STR1## wherein: R.sup.1, R.sup.2, and R.sup.3 are independently selected from the group consisting of hydrogen, C.sub.1 to C.sub.10 alkyl, 5 to 7 membered cycloalkyl, which in turn may have from 1 to 3 C.sub.1 to C.sub.10 alkyls as a substituent, C.sub.6 to C.sub.15 aryl or arylalkyl in which two adjacent radicals may together stand for cyclic groups having 4 to 15 carbon atoms which in turn may be substituted, or Si(R.sup.8).sub.3 where R.sup.8 is selected from the group consisting of C.sub.1 to C.sub.10 alkyl, C.sub.6 to C.sub.15 aryl or C.sub.3 to C.sub.10 cycloalkyl; R.sup.4 and R.sup.6 are substituents both having van der Waals radii larger than the van der Waals radii of groups R.sup.1 and R.sup.3 ; R.sup.5 is a substituent having a van der Waals radius less than about the van der Waals radius of a methyl group; E.sup.1, E.sup.2 are independently selected from the group consisting of Si(R.sup.9).sub.2, Si(R.sup.9).sub.2 --Si(R.sup.9).sub.2, Ge(R.sup.9).sub.2, Sn(R.sup.9).sub.2, C(R.sup.9).sub.2, C(R.sup.9).sub.2 --C(R.sup.9).sub.2, where R.sup.9 is C.sub.1 to C.sub.10 alkyl, C.sub.6 to C.sub.15 aryl or C.sub.3 to C.sub.10 cycloalkyl; and the ligand may have C.sub.S or C.sub.1 -symmetry. Preferred metals are selected from the group consisting of group III, group IV, group V or lanthanide group elements. The catalysts are used to prepare stereoregular polymers including polypropylene from .alpha.-olefin monomers.

    摘要翻译： 用于α-烯烃聚合的茂金属催化剂体系以产生立体特异性聚合物，包括间同立构聚合物和全同立构聚合物。 催化剂体系包括金属和下式的配体，其中：R 1，R 2和R 3独立地选自氢，C 1至C 10烷基，5至7元环烷基，其又可以具有 1至3个C1至C10烷基作为取代基，C6至C15芳基或芳烷基，其中两个相邻的基团可以一起代表具有4至15个碳原子的环状基团，其又可以被取代，或其中R8为 选自C1-C10烷基，C6-C15芳基或C3-C10环烷基; R4和R6是具有大于组R1和R3的范德华半径的范德华半径的取代基; R5是范德华半径小于甲基范德华半径的取代基; E1，E2独立地选自Si（R9）2，Si（R9）2-Si（R9）2，Ge（R9）2，Sn（R9）2，C（R9）2，C ）2 -C（R 9）2，其中R 9为C 1至C 10烷基，C 6至C 15芳基或C 3至C 10环烷基; 并且配体可以具有CS或C1对称性。 优选的金属选自III族，IV族，V族或镧系元素。 催化剂用于制备包括α-烯烃单体的聚丙烯的立构规整聚合物。

    Air and water tolerant catalyst
    5.
    发明授权
    Air and water tolerant catalyst 有权
    耐空气和耐水催化剂

    公开(公告)号：US08802796B2

    公开(公告)日：2014-08-12

    申请号：US13441545

    申请日：2012-04-06

    申请人： Paul Oblad ,  Matthew S. Winston ,  Jay A. Labinger ,  John E. Bercaw ,  Sander Gaemers

    发明人： Paul Oblad ,  Matthew S. Winston ,  Jay A. Labinger ,  John E. Bercaw ,  Sander Gaemers

    IPC分类号： C08F4/80 ,  C08F4/70

    CPC分类号： B01J31/2226 ,  B01J31/1805 ,  B01J2231/12 ,  B01J2531/0216 ,  B01J2531/824

    摘要： A catalyst and/or precatalyst for olefin oligomerization comprising one or more coordination complexes having one or more central palladium metal atoms. Each palladium atom is bonded to four ligand donor atoms. Two of the donor atoms are group 16 elements and two of the donor atoms are group 15 elements. Also provided are neutral or cationic coordination complex dimers, so that the two palladium atoms are both bonded to one or two donor atoms from group 16, and each palladium atom is bonded to two donor atoms from group 15. In some instances, each of the two group 16 donor atoms are oxygen and each of the four group 15 donor atoms are nitrogen.

    摘要翻译： 一种用于烯烃低聚的催化剂和/或预催化剂，其包含一种或多种具有一个或多个中心钯金属原子的配位络合物。 每个钯原子键合到四个配体供体原子。 两个供体原子是16族元素，两个供体原子是15族元素。 还提供了中性或阳离子配位络合物二聚体，使得两个钯原子都与第16族的一个或两个供体原子键合，并且每个钯原子与第15族键合到两个供体原子。在一些情况下， 两个16族供体原子是氧，四个15族供体原子中的每一个都是氮。

    AIR AND WATER TOLERANT CATALYST
    6.
    发明申请
    AIR AND WATER TOLERANT CATALYST 有权
    空气和耐水催化剂

    公开(公告)号：US20120283398A1

    公开(公告)日：2012-11-08

    申请号：US13441545

    申请日：2012-04-06

    申请人： Paul Oblad ,  Matthew S. Winston ,  Jay A. Labinger ,  John E. Bercaw ,  Sander Gaemers

    发明人： Paul Oblad ,  Matthew S. Winston ,  Jay A. Labinger ,  John E. Bercaw ,  Sander Gaemers

    IPC分类号： C08F110/02 ,  C08F110/06

    CPC分类号： B01J31/2226 ,  B01J31/1805 ,  B01J2231/12 ,  B01J2531/0216 ,  B01J2531/824

    摘要： A catalyst and/or precatalyst for olefin oligomerization comprising one or more coordination complexes having one or more central palladium metal atoms. Each palladium atom is bonded to four ligand donor atoms. Two of the donor atoms are group 16 elements and two of the donor atoms are group 15 elements. Also provided are neutral or cationic coordination complex dimers, so that the two palladium atoms are both bonded to one or two donor atoms from group 16, and each palladium atom is bonded to two donor atoms from group 15. In some instances, each of the two group 16 donor atoms are oxygen and each of the four group 15 donor atoms are nitrogen.

    摘要翻译： 一种用于烯烃低聚的催化剂和/或预催化剂，其包含一种或多种具有一个或多个中心钯金属原子的配位络合物。 每个钯原子键合到四个配体供体原子。 两个供体原子是16族元素，两个供体原子是15族元素。 还提供了中性或阳离子配位络合物二聚体，使得两个钯原子都与第16族的一个或两个供体原子键合，并且每个钯原子与第15族键合到两个供体原子。在一些情况下， 两个16族供体原子是氧，四个15族供体原子中的每一个都是氮。

    Transition metal catalysts
    7.
    发明授权
    Transition metal catalysts 有权
    过渡金属催化剂

    公开(公告)号：US08067654B2

    公开(公告)日：2011-11-29

    申请号：US11700954

    申请日：2007-02-01

    申请人： John E Bercaw ,  Paul Richard Elowe ,  Stefan Klaus Spitzmesser

    发明人： John E Bercaw ,  Paul Richard Elowe ,  Stefan Klaus Spitzmesser

    IPC分类号： C07C2/08 ,  C07C2/32 ,  C07C2/36 ,  B01J31/18 ,  B01J31/24

    CPC分类号： B01J31/188 ,  B01J31/18 ,  B01J2231/20 ,  B01J2531/0247 ,  B01J2531/62 ,  Y02P20/582

    摘要： Transition metal catalysts comprise (a) a source of a Group 3 to 10 transition metal, (b) a ligand having the formula: R1R2X—Y—XR3R4 wherein X is phosphorus, arsenic or antimony, Y is a bridging group having the formula: Z-(A)-D-Rm wherein Z is the moiety linking the X groups, A is a linear or cyclic hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl linking group wherein the number of atoms directly linking Z to D is 1, 2 or 3, D is N, P, As, O, S or Se, R is hydrogen, alkyl, hydrocarbyl, substituted hydrocarbyl, heteroalkyl, heterohydrocarbyl or substituted heterohydrocarbyl, and m is 1 or 2, R1, R2, R3, and R4 are the same or different and represent hydrocarbyl or functionalized hydrocarbyl moieties with the proviso that if D is nitrogen, R is not a cyclic ether, and optionally an activator. The transition metal catalysts are suitable for the selective trimerisation or tetramerisation of olefins in particular ethylene.

    摘要翻译： 过渡金属催化剂包括（a）第3至10族过渡金属的源，（b）具有下式的配体：其中X是磷，砷或锑，Y是具有下式的桥连基团：式中：R 1 R 2 X-Y-X R 3 R 4 Z-（A）-D-Rm其中Z是连接X基团的部分，A是直链或环状烃基，取代的烃基，杂烃基或取代的杂烃基连接基团，其中直接连接Z与D的原子数为1,2 或3，D是N，P，As，O，S或Se，R是氢，烷基，烃基，取代的烃基，杂烷基，杂烃基或取代的杂烃基，m是1或2，R1，R2，R3和R4 相同或不同，表示烃基或官能化的烃基部分，条件是如果D是氮，则R不是环状醚，也可以是任选的活化剂。 过渡金属催化剂适用于烯烃，特别是乙烯的选择性三聚或四聚。

    SOLVENT, ADDITIVE AND CO-CATALYST EFFECTS FOR ETHYLENE OLIGOMERIZATION CATALYSIS
    8.
    发明申请
    SOLVENT, ADDITIVE AND CO-CATALYST EFFECTS FOR ETHYLENE OLIGOMERIZATION CATALYSIS 审中-公开
    溶剂，添加剂和共催化剂对乙烯低聚物催化的影响

    公开(公告)号：US20090118117A1

    公开(公告)日：2009-05-07

    申请号：US12243904

    申请日：2008-10-01

    申请人： Paul R. Elowe ,  John E. Bercaw

    发明人： Paul R. Elowe ,  John E. Bercaw

    IPC分类号： C08F4/52

    CPC分类号： C07C2/36 ,  B01J31/143 ,  B01J31/188 ,  B01J2231/20 ,  B01J2531/0205 ,  B01J2531/62 ,  C07C2527/125 ,  C07C2531/24

    摘要： The invention is directed to catalyst systems for the oligomerization of ethylene. In some embodiments, the catalyst system includes ethylene, a solvent, and a catalyst activated with an aluminoxane co-catalyst. The system may further include an additive. Various modifications to the different reaction parameters may be made to fine-tune the reaction properties, such as productivity, activity and selectivity for a particular oligomer. For example, the solvent may be modified to include a mixture of at least two solvents. Alternatively, the co-catalyst may be modified by aging or partially fluorinating the co-catalyst. In another alternative, an additive may be included in the reaction system. Each modification to the reaction system effects a different reaction outcome, thereby enabling fine-tuning of the reaction properties by varying the modifications to the reaction system.

    摘要翻译： 本发明涉及用于乙烯低聚的催化剂体系。 在一些实施方案中，催化剂体系包括乙烯，溶剂和用铝氧烷助催化剂活化的催化剂。 该系统还可以包括添加剂。 可以对不同的反应参数进行各种修改以微调反应特性，例如特定低聚物的生产率，活性和选择性。 例如，可以将溶剂改性为包括至少两种溶剂的混合物。 或者，可以通过老化或部分氟化助催化剂来改变助催化剂。 在另一个替代方案中，反应体系中可以包括添加剂。 对反应体系的每个修饰都会产生不同的反应结果，从而通过改变对反应体系的修饰来使反应特性微调。

    Catalyst system for the polymerization of alkenes to polyolefins
    9.
    发明授权
    Catalyst system for the polymerization of alkenes to polyolefins 失效
    用于将烯烃聚合成聚烯烃的催化剂体系

    公开(公告)号：US06469188B1

    公开(公告)日：2002-10-22

    申请号：US09488431

    申请日：2000-01-20

    申请人： Stephen A. Miller ,  John E. Bercaw

    发明人： Stephen A. Miller ,  John E. Bercaw

    IPC分类号： C07F1700

    CPC分类号： C08F4/65927 ,  B01J31/2295 ,  B01J2531/30 ,  B01J2531/40 ,  B01J2531/48 ,  B01J2531/49 ,  B01J2531/50 ,  C07F17/00 ,  C08F4/65912 ,  C08F110/06 ,  Y10S526/943 ,  C08F2500/15 ,  C08F2500/03 ,  C08F2500/21 ,  C08F2500/12 ,  C08F2500/20

    摘要： The invention provides metallocene catalyst systems for the controlled polymerization of alkenes to a wide variety of polyolefins and olefin coplymers. Catalyst systems are provided that specifically produce isotactic, syndiotactic and steroblock polyolefins. The type of polymer produced can be controlled by varying the catalyst system, specifically by varying the ligand substituents. Such catalyst systems are particularly useful for the polymerization of polypropylene to give elastomeric polypropylenes. The invention also provides novel elastomeric polypropylene polymers characterized by dyad (m) tacticities of about 55% to about 65%, pentad (mmmm) tacticities of about 25% to about 35%, molecular weights (Mw)in the range of about 50,000 to about 2,000,000, and have mmrm+rrmr peak is less than about 5%.

    摘要翻译： 本发明提供茂金属催化剂体系，用于将烯烃受控聚合到各种各样的聚烯烃和烯烃共聚物。 提供了具体产生全同立构，间同立构和固定嵌段聚烯烃的催化剂体系。 所生产的聚合物的类型可以通过改变催化剂体系来控制，特别是通过改变配体取代基。 这样的催化剂体系特别可用于聚丙烯以产生弹性体聚丙烯。 本发明还提供新颖的弹性体聚丙烯聚合物，其特征在于具有约55％至约65％，约25％至约35％的五单元（mmmm）策略，约50,000至约35％范围内的分子量（Mw） 约2,000,000，并且mmrm + rrmr峰值小于约5％。