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    • 41. 发明授权
    • Olefin polymerization catalysts, their production and use
    • US06333389B1
    • 2001-12-25
    • US09248147
    • 1999-02-10
    • Gregory T. WhitekerJack A. Smith
    • Gregory T. WhitekerJack A. Smith
    • C08F442
    • This invention relates to a catalyst system comprising an activator and one or more heteroatom substituted phenoxide group 3 to 10 transition metal or lanthanide metal compounds wherein the metal is bound to the oxygen of the phenoxide group and provided that: a) if more than one heteroatom substituted phenoxide is present it is not bridged to the other heteroatom substituted phenoxide, b) if the metal is a group 4 metal then the carbon adjacent to the carbon bound to the oxygen of the phenoxide may not be bound to an aldehyde or an ester, c) the carbon ortho to the carbon bound to the oxygen of the phenoxide may not be bound to the C1 carbon in a group represented by the formula: wherein R6 and R7 are independently hydrogen, halogen, a hydrocarbon group, a heterocyclic compound residue, an oxygen containing group, a nitrogen containing group, a boron containing group, an sulfur containing group, a phosphorus containing group, a silicon containing group, a germanium containing group, or a tin containing group, and R1 and R2 may be bonded to each other to form a ring. The activator may be an aluminum alkyl, an alumoxane, a modified alumoxane, a non-coordinating anion, a borane, a borate or a mixture thereof.
    • 45. 发明授权
    • Olefin oligomerization catalysts, their production and use
    • 烯烃低聚催化剂,其生产和使用
    • US06531555B2
    • 2003-03-11
    • US09741453
    • 2000-12-19
    • Gregory T. Whiteker
    • Gregory T. Whiteker
    • C08F452
    • C08F210/16C07C2/32C07C2531/14C07C2531/22C08F4/65904C08F4/65908C08F4/65912C08F4/65916C08F2410/04C08F4/659C08F4/64048C08F4/64041
    • This invention relates to a method to oligomerize ethylene comprising combining ethylene with a catalyst system comprising an activator and one or more phenoxide group metal compounds represented by the formula: wherein R3, R4, R5, R8, R9 and R10 may each independently be hydrogen, a halogen, a heteroatom containing group or a C1 to C100 group, provided that at least one of these groups has a Hammett &sgr;p value (Hansch, et al Chem. Rev. 1991, 91, 165) greater than 0.20; R2 and R7 may each independently be alkyl, aryl or silyl groups; R1 and R6 may each independently be an alkyl group, an aryl group, an alkoxy group, or an amino group; N is nitrogen; H is hydrogen; O is oxygen; M is a group 4 transition metal; and each X may each independently be an anionic ligand or a dianionic ligand.
    • 本发明涉及一种使乙烯低聚的方法,包括将乙烯与包含活化剂和一种或多种由下式表示的酚氧化物金属化合物的催化剂体系组合:其中R 3,R 4,R 5,R 8,R 9和R 10可各自独立地为氢, 卤素,含杂原子的基团或C1至C100基团,条件是这些基团中的至少一个具有大于0.20的Hammett sigmap值(Hansch等人,Chem.Rev.1991,91,165); R2和R7各自 独立地是烷基,芳基或甲硅烷基; R 1和R 6可各自独立地为烷基,芳基,烷氧基或氨基; N为氮; H是氢; O是氧; M为4族过渡金属; 并且每个X可各自独立地为阴离子配体或二阴离子配体。