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    • 13. 发明授权
    • Allyl containing metal complexes and olefin polymerization process
    • 含烯丙基的金属络合物和烯烃聚合方法
    • US5892076A
    • 1999-04-06
    • US815913
    • 1997-03-11
    • Peter N. Nickias
    • Peter N. Nickias
    • C07F17/00C08F4/02C08F4/06C08F4/60C08F4/619C08F4/6192C08F4/64C08F4/642C08F4/659C08F10/00C07F7/00C07F7/28
    • C08F10/00C07F17/00C08F4/619C08F4/61912C08F4/61916C08F4/6192C08F4/65912Y10S526/943
    • Metal complexes useful as olefin polymerization catalysts corresponding to the formula: ##STR1## or a dimer, solvated adduct, chelated derivative or mixture thereof, wherein:Q 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 3, 4 or the Lanthanide series 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;L is a neutral confugated 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 inteaer from 0 to 2.
    • 可用作对应于下式的烯烃聚合催化剂的金属络合物:或其二聚物,溶剂化加合物,螯合衍生物或其混合物,其中:Q是环状基团或Y *,其通过离域pI 所述基团含有多达50个非氢原子; M是元素周期表第3,4族金属或镧系元素; 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; L是具有至多20个非氢原子的中性配位二烯配体; 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; 并且p是从0到2的内部。
    • 19. 发明授权
    • Incorporation of free radical inhibitors in polyolefins
    • 在聚烯烃中引入自由基抑制剂
    • US06410629B1
    • 2002-06-25
    • US08920625
    • 1997-08-27
    • Michael J. MullinsPeter N. NickiasJorge Soto
    • Michael J. MullinsPeter N. NickiasJorge Soto
    • C08K551
    • C08F10/00C08F4/61908C08F4/61927C08F110/06C08F2/44C08F4/61912
    • The invention includes a process for inhibiting deterioration in an olefin polymer by adding a phenolic free radical inhibitor during or before polymerization with a metallocene type transition metal catalyst without inactivating the free radical inhibitor because does not inhibit the transition metal catalyst activity. Preferably the free radical inhibitor is first to remove compounds which inhibit catalyst activity. The invention also includes a composition comprising at least one olefin monomer, a polymer of the monomer, a metallocene type transition metal catalyst and at least one free radical inhibitor having sufficient substituents to hinder the active inhibiting group such that it does not undesirably inhibit the transition metal catalyst.
    • 本发明包括通过在茂金属型过渡金属催化剂中聚合期间或之后添加酚类自由基抑制剂而不使自由基抑制剂失活而抑制烯烃聚合物的劣化的方法,因为不抑制过渡金属催化剂活性。 优选地,自由基抑制剂首先是去除抑制催化剂活性的化合物。 本发明还包括包含至少一种烯烃单体,单体的聚合物,茂金属型过渡金属催化剂和至少一种具有足够的取代基的自由基抑制剂的组合物,其阻碍活性抑制基团,使得其不会不希望地抑制转变 金属催化剂。