Allyl containing metal complexes and olefin polymerization process
    7.
    发明授权
    Allyl containing metal complexes and olefin polymerization process 失效
    烯烃聚合催化剂包含含有4族金属络合物的烯丙基

    公开(公告)号:US5994255A

    公开(公告)日:1999-11-30

    申请号:US114109

    申请日:1998-07-11

    摘要: Catalysts for olefin polymeriztion comprising metal complexes corresponding to the formula: ##STR1## or a dimer, solvated adduct, chelated derivative or mixture thereof, wherein:L is a cyclic group or Y*, that is bound to M by means of a delocalized .pi.-bond, said group containing up to 50 nonhydrogen atoms;L' is a cyclic group or Y* that is bound to M by means of a delocalized .pi.-bond, said group containing up to 50 nonhydrogen atoms;M is a metal of Group 4 of the Periodic Table of the Elements;Z is a covalently bound, divalent substituent of up to 50 non-hydrogen atoms having the formula, --(ER.sub.2).sub.m --, wherein E independently each occurrence is carbon, silicon or germanium, R independently each occurrence is selected from the group consisting of hydrocarbyl, hydrocarbyloxy, silyl, and germyl of up to 20 atoms other than hydrogen, and m is an integer from 1 to 3;Y* is an allyl or a hydrocarbyl-, silyl- or germyl-substituted allyl group containing up to 20 nonhydrogen atoms bonded to Z and bonded via an .eta..sup.3 -.pi. bond to M;where Y' is an allyl group or a hydrocarbyl-, silyl-, or germyl-substituted allyl group containing up to 20 nonhydrogen atoms bonded via an .eta..sup.3 -.pi. bond to M;X' is a neutral conjugated diene ligand having up to 20 non-hydrogen atoms;X" independently each occurrence is a monovalent, anionic moiety selected from hydride, halo, hydrocarbyl, silyl, germyl, hydrocarbyloxy, amide, siloxy, halohydrocarbyl, halosilyl, silylhydrocarbyl, and aminohydrocarbyl having up to 20 non-hydrogen atoms, or two X" groups together form a divalent hydrocarbadiyl group;n is a number from 0 to 3; andp is an integer from 0 to 2.

    摘要翻译: 用于烯烃聚合的催化剂,其包含对应于下式的金属络合物:二聚体,溶剂化加合物,螯合衍生物或其混合物,其中:L是通过离域π键与M结合的环状基团或Y * 该基团含有多达50个非氢原子; L'是通过离域pi键与M结合的环状基团或Y *,所述基团含有多达50个非氢原子; M是元素周期表第4族的金属; Z是具有式 - (ER 2)m - 的多达50个非氢原子的共价结合的二价取代基,其中E独立地每次出现为碳,硅或锗,R各自独立地选自 烃基,烃氧基,甲硅烷基和除氢以外的至多20个原子的甲锗烷基,m是1至3的整数; Y *是含有至多20个非氢原子的烯丙基或烃基 - 甲硅烷基或甲锗烷基取代的烯丙基,其与Z键合并通过η3键连接至M; 其中Y'是含有至多20个非氢原子的烯基或烃基,甲硅烷基或或锗基取代的烯丙基,其通过η3键与M键合; X'是具有至多20个非氢原子的中性共轭二烯配体; X“独立地是选自氢化物,卤素,烃基,甲硅烷基,甲硅烷基,烃氧基,酰胺,甲硅烷氧基,卤代烃基,卤代甲硅烷基,甲硅烷基烃基和具有至多20个非氢原子的氨基烃基的一价阴离子部分,或两个X 一起形成二价烃基; n是从0到3的数字; p为0〜2的整数。

    Preparation of biscyclopentadienyl diene complexes
    9.
    发明授权
    Preparation of biscyclopentadienyl diene complexes 失效
    双环戊二烯基二烯配合物的制备

    公开(公告)号:US5679816A

    公开(公告)日:1997-10-21

    申请号:US582324

    申请日:1996-01-03

    IPC分类号: C07F7/00 C07F17/00

    CPC分类号: C07F17/00 Y10S526/943

    摘要: Biscyclopentadienyl, Group 4 transition metal complexes containing a conjugated diene ligand group wherein the diene is bound to the transition metal either in the form of .sigma.-complex or a .pi.-complex are readily prepared by reacting in any order: a) a Group 4 metal salt corresponding to the formula M'X.sub.3 or M"X.sub.4, or a Lewis base adduct thereof, b) a conjugated diene, D', c) a reducing agent, and d) a compound of the formula: CpM* or (Cp-Cp)M*n.sub.n, wherein, M' is titanium, zirconium or hafnium in the +3 formal oxidation state; M" is titanium, zirconium or hafnium in the +4 formal oxidation state; X is a halide, C.sub.1-6 hydrocarbyloxy or di(C.sub.1-6 hydrocarbyl)amido group; D' is an uncoordinated diene having the same number of carbons as D and the same substitution pattern as D; M* is a Group 1 or 2 metal cation, a Grignard reagent cation or a tri(C.sub.1-4 hydrocarbyl)silyl group; and n is 1 when M* is a Group 2 metal cation and n is 2 when M* is a Group 1 metal cation, a Grignard reagent cation, or a trihydrocarbylsilyl group with the proviso that reagents a), and d) are not contacted with one another in the absence of reagent c).

    摘要翻译: 双环戊二烯基,含有共轭二烯配体基团的第4族过渡金属络合物,其中二烯与σ-复合物或π-复合物形式的过渡金属结合,可容易地通过以下顺序制备:a)第4族金属 对应于式M'X3或M'X4的盐或其路易斯碱加合物,b)共轭二烯,D',c)还原剂,和d)下式化合物:CpM *或(Cp -Cp)M * nn,其中,M'是+3形式氧化态的钛,锆或铪; M“是+4形式氧化态的钛,锆或铪; X是卤素,C 1-6烃氧基或二(C 1-6烃基)酰氨基; D'是具有与D相同数目的碳和与D相同的取代模式的不饱和二烯烃; M *是1或2族金属阳离子,格氏试剂阳离子或三(C 1-4烃基)甲硅烷基; 当M *为第2族金属阳离子时,n为1,当M *为1族金属阳离子时,n为2,格利雅试剂阳离子或三烃基甲硅烷基,条件是试剂a)和d)未接触 在不存在试剂c)的情况下。