Homogeneous olefin polymerization catalyst by abstraction with lewis
acids
    4.
    发明授权
    Homogeneous olefin polymerization catalyst by abstraction with lewis acids 失效
    均相烯烃聚合催化剂与路易斯酸的萃取

    公开(公告)号:US5721185A

    公开(公告)日:1998-02-24

    申请号:US876268

    申请日:1992-05-05

    摘要: A process for preparing addition polymerization catalysts having a limiting charge separated structure corresponding to the formula: LMX.sup.+ XA.sup.-, wherein: L is a derivative of a substituted delocalized .pi.-bonded group imparting a constrained geometry to the metal active site and containing up to 50 nonhydrogen atoms; M is a metal of Group 4 or the Lanthanide series of the Periodic Table of the Elements; X independently each occurrence is hydride or a hydrocarbyl, silyl or germyl group having up to 20 carbon, silicon or germanium atoms; and A.sup.- is an anion of a Lewis acid, A, having relative Lewis acidity greater than or equal to that of phenylbis(perfluorophenyl)borane, said anion being compatible with the metal cation, the steps of the process comprising contacting a derivative of a Group 4 or Lanthanide metal corresponding to the formula: i LMX.sub.2, wherein L, M, and X are as previously defined, with the Lewis acid, A, under conditions to cause abstraction of X and formation of the anion XA.sup.-.

    摘要翻译: 一种制备具有对应于下列通式的极限电荷分离结构的加成聚合催化剂的方法:LMX + XA-,其中:L是取代的离域π键合基团的衍生物,其赋予金属活性位点约束几何形状, 50个非氢原子; M是第4族金属或元素周期表的镧系元素; 独立地,每次出现氢化物或具有至多20个碳,硅或锗原子的烃基,甲硅烷基或甲硅烷基; A是具有大于或等于苯基双(全氟苯基)硼烷的相对路易斯酸度的路易斯酸A的阴离子,所述阴离子与金属阳离子相容,所述方法的步骤包括使 在引起X的抽出和形成阴离子XA-的条件下,与路易斯酸A相对应的式4或镧系金属,其中L,M和X如前所定义。

    Saturated tricyclic ligand containing metal complexes and olefin
polymerization process
    8.
    发明授权
    Saturated tricyclic ligand containing metal complexes and olefin polymerization process 失效
    饱和三环配体含有金属络合物和烯烃聚合方法

    公开(公告)号:US6040401A

    公开(公告)日:2000-03-21

    申请号:US904363

    申请日:1997-08-01

    摘要: Bridged, group 4 Metal complexes useful as olefin polymerization catalyst components corresponding to the formula: L.sub.1 ZL.sub.2 MX.sub.m X'.sub.nor a dimer, solvated adduct, chelated derivative or mixture thereof, wherein:L.sub.1 is a partially saturated tricyclic group, especially octahydrofluorenyl,L.sub.2 is a substituted cyclopentadienyl group that is bound to M by means of delocalized .pi.-electrons, said cyclopentadienyl group being substituted at one and only one of its two distal positions with a bulky ligand group,Z is divalent bridging substituent,X each occurrence is a monovalent, anionic moiety having up to 40 non-hydrogen atoms, optionally, two X groups may be covalently bound together forming a divalent dianionic moiety having both valences bound to M, or, optionally 2 X groups may be covalently bound together to form a neutral, conjugated or nonconjugated diene that is bonded to M by means of delocalized .pi.-electrons (whereupon M is in the +2 oxidation state), or further optionally one or more X and one or more X' groups may be bonded together thereby forming a moiety that is both covalently bound to M and coordinated thereto;m is 1 or 2 and is equal to two less than the formal oxidation state of M, except when 2 X groups together form a neutral conjugated or non-conjugated diene that is .pi.-bonded to M, in which case m is equal to the formal oxidation state of M;X' is a neutral ligand having up to 20 non-hydrogen atoms, and n is a number from 0 to 3.

    摘要翻译: 桥接的第4族金属络合物可用作对应于下式的烯烃聚合催化剂组分:L1ZL2MXmX'n或二聚体,溶剂化加合物,螯合衍生物或其混合物,其中:L1是部分饱和的三环基团,特别是八氢芴基,L2是取代的 通过离域π电子与M结合的环戊二烯基,所述环戊二烯基在其两个远端位置中的一个且仅一个被取代,具有庞大的配体基团,Z是二价桥接取代基,X每次出现是一价阴离子 具有多达40个非氢原子的部分,任选地,两个X基团可以共价键合在一起形成具有与M键合的两价键的二价二阴离子部分,或者任选地,2个X基团可以共价键合在一起以形成中性,共轭或 通过离域π电子(因此M处于+2氧化态)与M键合的非共轭二烯,或进一步任选地一个或多个 X和一个或多个X'基团可以键合在一起,从而形成共价键合到M并与之配位的部分; m为1或2,并且等于小于M的形式氧化态的2,除了当两个X基团一起形成与M相连接的中性共轭或非共轭二烯时,其中m等于 M的正式氧化态; X'是具有至多20个非氢原子的中性配体,n是0至3的数。

    Zwitterionic catalyst activator
    9.
    发明授权
    Zwitterionic catalyst activator 有权
    两性离子催化剂活化剂

    公开(公告)号:US06344529B1

    公开(公告)日:2002-02-05

    申请号:US09445209

    申请日:1999-12-06

    IPC分类号: C08F452

    摘要: Disclosed are compounds useful as catalyst activators for olefin polymerization, comprising structures of the following formulae: wherein: L+ is a protonated derivative of an element of Group 15 of the Periodic Table of the Elements, additionally bearing two hydrocarbyl substituents of from 1 to 50 carbons each, or a positively charged derivative of an element of Group 14 of the Periodic Table of the Elements, said Group 14 element being substituted with three hydrocarbyl substituents of from 1 to 50 carbons each; R1 is a divalent linking group of from 1 to 40 non-hydrogen atoms; R2 independently each occurrence is a ligand group of from 1 to 50 nonhydrogen atoms with the proviso that in a sufficient number of occurrences to balance charge in the compound, R2 is L+—R1—; M1 is boron, aluminum or gallium; Arf independently each occurrence is a monovalent, fluorinated organic group containing from 6 to 100 non-hydrogen atoms; Y is a Group 15 element; and Z is a Group 14 element.

    摘要翻译: 公开了可用作烯烃聚合的催化剂活化剂的化合物,其包含下式的结构:其中:L +是元素周期表第15族元素的质子化衍生物,另外带有1至50个碳的烃基取代基 每个元素或元素周期表第14族元素的带正电荷的衍生物,所述第14族元素被各自为1至50个碳的三个烃基取代基取代; R 1为1至40的二价连接基团 非氢原子; R2各自独立地为1至50个非氢原子的配体基团,条件是在足够数量的化合物中平衡电荷的情况下,R2为L + -R1-; M1为硼,铝或 镓; Arf各自独立地为含有6至100个非氢原子的单价氟化有机基团; Y为第15族元素; 而Z是第14组元素。