Olefin oligomerization catalysts, their production and use
    92.
    发明申请
    Olefin oligomerization catalysts, their production and use 失效
    烯烃低聚催化剂,其生产和使用

    公开(公告)号:US20020077431A1

    公开(公告)日:2002-06-20

    申请号:US09741453

    申请日:2000-12-19

    Abstract: 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: 1 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 nullp 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.

    Abstract translation: 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,Chem.Rev.1991,91,165); R2和R7各自独立地为烷基,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是氮; 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。

    MIXED ZIEGLER/METALLOCENE CATALYSTS FOR THE PRODUCTION OF BIMODAL POLYOLEFINS
    95.
    发明申请
    MIXED ZIEGLER/METALLOCENE CATALYSTS FOR THE PRODUCTION OF BIMODAL POLYOLEFINS 审中-公开
    用于生产双峰聚合物的混合ZIEGLER / METALLOCENE催化剂

    公开(公告)号:US20020037979A1

    公开(公告)日:2002-03-28

    申请号:US09473491

    申请日:1999-12-28

    Abstract: A self-supported hybrid olefin polymerization catalyst comprising a Ziegler-Natta component and a metallocene component whereby the metallocene component is affixed to the Ziegler-Natta component is disclosed. In the hybrid catalyst, the Ziegler-Natta component includes a solid complex of magnesium, transition metal, and alkoxide moieties where the transition metal is selected from one or more metals having an oxidation state of null3, null4, null5, and mixtures thereof. A method of making the hybrid catalyst and a method of polymerizing olefins using the hybrid catalyst also are disclosed. The hybrid catalyst is capable of producing polyolefins having a broad molecular weight, or bimodal distribution in high yield.

    Abstract translation: 公开了一种自支撑的混合烯烃聚合催化剂,其包含齐格勒 - 纳塔组分和金属茂组分,由此茂金属组分固定在齐格勒 - 纳塔组分上。 在杂化催化剂中,齐格勒 - 纳塔组分包括镁,过渡金属和醇盐部分的固体络合物,其中过渡金属选自一种或多种氧化态为+ 3,+ 4,+ 5的金属和混合物 其中。 还公开了制备该混合催化剂的方法和使用该混合催化剂使烯烃聚合的方法。 混合催化剂能够以高产率生产具有宽分子量或双峰分布的聚烯烃。

    Process for controlling degree of branch of high 1,4-cis polybutadiene
    96.
    发明申请
    Process for controlling degree of branch of high 1,4-cis polybutadiene 失效
    控制高1,4-顺式聚丁二烯分枝度的方法

    公开(公告)号:US20020016423A1

    公开(公告)日:2002-02-07

    申请号:US09817997

    申请日:2001-03-27

    CPC classification number: C08F136/06 C08F4/7098

    Abstract: Disclosed is a process of controlling the degree of branch of high 1,4-cis polybutadiene without any alternation in the 1,4-cis content and the polymerization yield, in which a dialkylzinc compound represented by the following formula I is added in a controlled amount as an agent for controlling the degree of branch of high 1,4-cis polybutadiene, thus guaranteeing the optimum processability and physical properties of polymer according to the use purpose. Formula IR1nullZnnullR2wherein R1 and R2 are same or different and include an alkyl group containing 1 to 5 carbon atoms.

    Abstract translation: 公开了一种控制高顺式1,4-顺式聚丁二烯的分支程度的方法,其中1,4-顺式含量和聚合产率没有任何变化,其中将下式I表示的二烷基锌化合物加入受控的 作为控制高1,4-顺式聚丁二烯的分支度的试剂,从而根据用途保证聚合物的最佳加工性能和物理性能。 其中R1和R2相同或不同并且包括含有1至5个碳原子的烷基,其中R 1和R 2都是相同或不同的。

    Ethylene polymers with alpha-olefins
    97.
    发明申请
    Ethylene polymers with alpha-olefins 审中-公开
    乙烯聚合物与α-烯烃

    公开(公告)号:US20020002255A1

    公开(公告)日:2002-01-03

    申请号:US09886104

    申请日:2001-06-22

    Inventor: Paolo Falchi

    Abstract: Ethylene copolymers with octene and/or ethylene terpolymers with alpha-olefins from 3 to 12 carbon atoms, optionally in the presence of other comonomers containing more than one unsaturation, usable as additives to increase the gas oil properties at low temperatures, obtainable by polymerization of the monomers in the presence of catalysts comprising: a bis-cyclopentadienyl derivative having the general formula: (Cp1Cp2)nullMnull(L2L3) containing groups with oxygen bound to the transition metal, wherein M is a metal from the IIIb group to the Vb group or of the lanthanide series of the Element Periodic Table; Cp1 and CP2, equal to or different from each other, represent cyclopentadienyls bound to M with delocalized null bonds.

    Abstract translation: 具有辛烯和/或乙烯三元共聚物的乙烯共聚物与3至12个碳原子的α-烯烃,任选在含有多于一个不饱和基团的其它共聚单体存在下,可用作增加低温下的瓦斯油性能的添加剂,可通过聚合 催化剂存在下的单体,所述催化剂包含:具有以下通式的双环戊二烯基衍生物:在线式中(式1)=(C1-C2)-M-(L2L3) 含有与过渡金属结合的氧的基团,其中M是从IIIb族基团到Vb族金属或元素周期表的镧系元素的金属; Cp1和CP2彼此相同或不同,表示与离子化的π键结合的M的环戊二烯基。

    POLYPROPYLENE COMPOSITION, PROCESS FOR PREPARING THE SAME, AND POLYMERIZATION CATALYST THEREFOR
    98.
    发明申请
    POLYPROPYLENE COMPOSITION, PROCESS FOR PREPARING THE SAME, AND POLYMERIZATION CATALYST THEREFOR 失效
    聚丙烯组合物,其制备方法及其聚合催化剂

    公开(公告)号:US20010053831A1

    公开(公告)日:2001-12-20

    申请号:US09214798

    申请日:1999-01-11

    Abstract: A polypropylene composition comprising 0.001 to 10 parts by weight of a polyethylene having an intrinsic viscosity nullnullEnull of 0.01 to less than 15 dl/g s measured in tetralin at 135null C. and 100 parts by weight of a polyolefin comprising at least polypropylene, wherein the polyethylene is finely dispersed as particles with a number average particle diameter of, e.g., 1 to 5000 nm in the polyolefin comprising at least polypropylene. By virtue of the above constitution, the polypropylene composition has excellent transparency and rigidity, is free from the creation of a sweeper roll flow mark in the preparation of a film and substantially free from a neck-in phenomenon of a film, and has high productivity.

    Abstract translation: 一种聚丙烯组合物,其包含0.001至10重量份在135℃下在四氢化萘中测量的特性粘度η为0.01至小于15dl / g的聚乙烯和100重量份至少包含聚丙烯的聚烯烃, 其中所述聚乙烯在至少包含聚丙烯的聚烯烃中作为具有数均粒径例如1至5000nm的颗粒细分散。 通过上述结构,聚丙烯组合物具有优异的透明性和刚性,在制备薄膜时基本上没有膜的颈部现象而产生清扫辊流动痕迹,并且具有高的生产率 。

    Haloaryl containing group 13 substituents on bridged metallocene polyolefin catalysts
    99.
    发明申请
    Haloaryl containing group 13 substituents on bridged metallocene polyolefin catalysts 有权
    含桥基金属茂聚烯烃催化剂上含有13个取代基的卤代芳基

    公开(公告)号:US20010044509A1

    公开(公告)日:2001-11-22

    申请号:US09905331

    申请日:2001-07-13

    Abstract: A process for the preparation of polyolefins from one or more olefinic monomers is described in which the olefins are combined with a catalyst complex derived from a catalyst compound having a bis-haloaryl-Group 13 element substituted Group 13-15 atom-containing bridging element, and a co-catalyst activator a tri-n-alkyl aluminum compound or aluminoxy derivative thereof The process is particularly useful with bisarylboron substituted silicon-bridged metallocenes under gas phase, slurry, solution or supercritical high pressure coordination polymerization conditions for polyolefins derived from olefinic monomers selected from the group consisting of ethylene, null-olefins, cyclic olefins, non-conjugated diolefins, vinyl aromatic olefins, and geminally disubstituted olefins.

    Abstract translation: 描述了从一种或多种烯烃单体制备聚烯烃的方法,其中烯烃与衍生自具有双卤代芳基 - 第13族元素取代的含13-15原子的桥连元素的催化剂化合物的催化剂络合物组合, 和三 - 正烷基铝化合物或铝氧基衍生物的助催化剂活化剂该方法特别适用于衍生自烯烃单体的聚烯烃的气相,浆液,溶液或超临界高压配位聚合条件下的双芳基硼取代的硅桥连金属茂 选自乙烯,α-烯烃,环状烯烃,非共轭二烯烃,乙烯基芳族烯烃和双重取代的烯烃。

    PROCESS FOR MANUFACTURING POLYETHYLENE WITH A FUNCTIONAL END GROUP IN THE PRESENCE OF METALLOCENE CATALYST
    100.
    发明申请
    PROCESS FOR MANUFACTURING POLYETHYLENE WITH A FUNCTIONAL END GROUP IN THE PRESENCE OF METALLOCENE CATALYST 审中-公开
    在金属催化剂存在下制备具有官能团的聚乙烯的方法

    公开(公告)号:US20010041779A1

    公开(公告)日:2001-11-15

    申请号:US09340054

    申请日:1999-06-28

    Abstract: The present invention relates to a process for manufacturing polyethylene with a functional end group in the presence of metallocene catalyst and more particularly, to the process for manufacturing polyethylene with a functional end group in such a manner that a highly reactive functional group of alkyl-aluminum is easily introduced to the end of polymer via a selective chain transfer reaction in the presence of (1) metallocene catalyst represented by the following formula 1 and (2) a cocatalyst containing alkyl-aluminum compound as active ingredient. 1

    Abstract translation: 本发明涉及一种在茂金属催化剂存在下制备具有官能端基的聚乙烯的方法,更具体地涉及制备具有官能端基的聚乙烯的方法,其方法是使烷基铝的高反应性官能团 在(1)由下式1表示的茂金属催化剂和(2)含有烷基铝化合物作为活性成分的助催化剂的存在下,通过选择性链转移反应容易地引入聚合物的末端。

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