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    • 1. 发明申请
    • SATURATED TRICYCLIC LIGAND CONTAINING METAL COMPLEXES AND OLEFIN POLYMERIZATION PROCESS
    • 含饱和三元配位金属复合物和烯烃聚合工艺
    • WO1998006760A1
    • 1998-02-19
    • PCT/US1997013560
    • 1997-08-01
    • THE DOW CHEMICAL COMPANYNORTHWESTERN UNIVERSITY
    • THE DOW CHEMICAL COMPANYNORTHWESTERN UNIVERSITYNICKIAS, Peter, N.OBORA, YasushiMARKS, Tobin, J.
    • C08F04/642
    • C07F17/00C08F4/65908C08F4/65912C08F4/65927C08F10/00C08F110/06Y10S526/943C08F2500/15
    • Bridged, group 4 Metal complexes useful as olefin polymerization catalyst components corresponding to the formula: L1ZL2MXmX'n or a dimer, solvated adduct, chelated derivative or mixture thereof, wherein: L1 is a partially salturated tricyclic group, especially octahydrofluorenyl, L2 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.
    • 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为部分饱和三环基团,特别是八氢芴基,L2为取代的 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是二价桥连取代基; X每个出现是具有多达40个非氢原子的单价阴离子部分,任选地,两个X基团可以共价键合在一起形成具有与M结合的两个价键的二价二阴离子部分,或者任选地,2个X基团可共价结合 一起形成通过离域π电子(因此M处于+2氧化态),或进一步任选地一个或多个X和一个或多个X'基团与M键合的中性,共轭或非共轭二烯 结合在一起,从而形成共价结合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。