Process for preparing olefin polymer, and ethylenic polymer
    1.
    发明授权
    Process for preparing olefin polymer, and ethylenic polymer 失效
    制备烯烃聚合物和烯属聚合物的方法

    公开(公告)号:US5739225A

    公开(公告)日:1998-04-14

    申请号:US666471

    申请日:1996-06-28

    摘要: An olefin polymer is prepared by homopolymerizing an olefin or copolymerizing two different olefins or an olefin and another polymerizable unsaturated compound in the presence of a polymerization catalyst containing (A) a transition metal compound represented by the formula (I): CpML.sub.x-1 (I) wherein M is a metallic element of Groups 3 to 10 of the Periodic Table or a metallic element of the lanthanide series; Cp is a cyclic compound group having a cyclopentadienyl skeleton of 5 to 30 carbon atoms; L is R', OR', SR', SO.sub.3 R'N'R'R", PR'R", wherein R' and R" are each a C.sub.1-20 hydrocarbon group or a silyl group, NO.sub.2, a halogen atom, a 1-pyrrolyl group or a 1-pyrrolidinyl group, with the proviso that at least one of the L groups is OR', SR', N'R'R" or PR'R", wherein R' and R" are each a C.sub.1-20 hydrocarbon group or a silyl group; and x is a valence number of M, and when a plurality of L's are present, the respective L's may be the same or different, and (B) an aluminoxane, wherein the molar ratio of the component (B)/component (A) (in terms of the metallic atoms) is in the range of 2 to 500.

    摘要翻译: PCT No.PCT / JP94 / 02251 Sec。 371日期:1996年6月28日 102(e)日期1996年6月28日PCT 1994年12月27日PCT PCT。 WO95 / 18158 PCT出版物 日期:1995年7月6日烯烃聚合物通过在含有(A)由式(I)表示的过渡金属化合物的聚合催化剂存在下,使烯烃均聚或共聚两种不同的烯烃或烯烃和另一种可聚合不饱和化合物来制备: CpMLx-1(I)其中M是周期表第3至10族的金属元素或镧系金属元素; Cp是具有5至30个碳原子的环戊二烯基骨架的环状化合物基团; L是R',OR',SR',SO3R'N'R'R“,PR'R”,其中R'和R“各自为C1-20烃基或甲硅烷基,NO2, 卤素原子,1-吡咯基或1-吡咯烷基,条件是至少一个L基团是OR',SR',N'R'R“或PR'R”,其中R' 和R“各自为C 1-20烃基或甲硅烷基; (B)/成分(A)的摩尔比,X是价数M,当存在多个L s时,各自的L可以相同或不同,(B)铝氧烷, (以金属原子计)在2〜500的范围内。

    Branched ethylenic macromonomer and its polymer
    3.
    发明授权
    Branched ethylenic macromonomer and its polymer 失效
    分支乙烯大分子单体及其聚合物

    公开(公告)号:US5955557A

    公开(公告)日:1999-09-21

    申请号:US632475

    申请日:1996-04-26

    摘要: A copolymer having the excellent molding and working properties obtainable by using a branched ethylenic macromonomer and a comonomer selected from the group consisting of ethylene, an .alpha.-olefin having 3 to 20 carbon atoms, cyclic olefins and styrenes. The branched ethylenic macromonomer of the present invention is derivable from ethylene singly or derivable from ethylene and another olefin, (a) a molar ratio of a terminal methyl group/a vinyl group in the macromonomer being in the range of 1 to 100, the macromonomer having a branch other than the branch directly derived from the other olefin, (b) a ratio of vinyl groups to the total unsaturated groups in the macromonomer being 70 mol % or more, (c) a weight-average molecular weight of the macromonomer in terms of a polyethylene measured by a GPC being in the range of 100 to 20,000.

    摘要翻译: PCT No.PCT / JP94 / 01792 Sec。 371日期:1996年04月28日 102(e)日期1996年4月28日PCT 1994年10月26日PCT公布。 公开号WO95 / 11931 日期:1993年10月26日具有通过使用支化乙烯性大分子单体和选自乙烯,碳原子数3〜20的α-烯烃,环状烯烃和苯乙烯的共聚单体得到的优异的成型性和工作性的共聚物。 本发明的支链乙烯性大分子单体可单独衍生自乙烯或可衍生自乙烯和另一种烯烃的乙烯基,(a)大分子单体中的末端甲基/乙烯基的摩尔比在1〜100的范围内,大分子单体 具有直接衍生自其它烯烃的分支以外的分支,(b)大分子单体中乙烯基与总不饱和基团的比例为70摩尔%以上,(c)大分子单体的重均分子量 通过GPC测量的聚乙烯的用量在100至20,000的范围内。

    Branched ethylenic macromonomer and its polymer
    4.
    发明授权
    Branched ethylenic macromonomer and its polymer 失效
    分支乙烯大分子单体及其聚合物

    公开(公告)号:US06169154A

    公开(公告)日:2001-01-02

    申请号:US09344806

    申请日:1999-06-25

    IPC分类号: C08F11002

    摘要: There are herein disclosed a branched ethylenic macromonomer which can function as a comonomer to provide a copolymer having excellent molding and working properties and which can be hydrogenated to provide a hydrogenated product as a wax useful in various uses, a copolymer having the excellent molding and working properties obtainable by using this macromonomer as a comonomer, and a branched ethylenic polymer having a low-molecular weight obtainable by hydrogenating the macromonomer. The branched ethylenic macromonomer of the present invention is derivable from ethylene singly or derivable from ethylene and another olefin, (a) a molar ratio of a terminal methyl group/a vinyl group in the macromonomer being in the range of 1 to 100, the macromonomer having a branch other than the branch directly derived from the other olefin, (b) a ratio of vinyl groups to the total unsaturated groups in the macromonomer being 70 mol % or more, (c) a weight-average molecular weight of the macromonomer in terms of a polyethylene measured by a GPC being in the range of 100 to 20,000.

    摘要翻译: 本文公开了一种支链乙烯性大分子单体,其可以用作共聚单体以提供具有优异的模塑和加工性能的共聚物,并且其可以被氢化以提供可用于各种用途的蜡的氢化产物,具有优异的模塑和加工的共聚物 通过使用该大分子单体作为共聚单体可获得的性质,以及通过氢化大分子单体可获得的具有低分子量的支链烯属聚合物。 本发明的支链乙烯性大分子单体可单独衍生自乙烯或可衍生自乙烯和另一种烯烃的乙烯基,(a)大分子单体中的末端甲基/乙烯基的摩尔比在1〜100的范围内,大分子单体 具有直接衍生自其它烯烃的分支以外的分支,(b)大分子单体中乙烯基与总不饱和基团的比例为70摩尔%以上,(c)大分子单体的重均分子量 通过GPC测量的聚乙烯的用量在100至20,000的范围内。

    Organic electroluminescent element
    8.
    发明授权
    Organic electroluminescent element 有权
    有机电致发光元件

    公开(公告)号:US09082986B2

    公开(公告)日:2015-07-14

    申请号:US14122131

    申请日:2012-05-23

    摘要: An organic electroluminescence device includes a first organic thin-film layer and a second organic thin-film layer between an anode and a cathode opposing the anode in this order from the anode side. The first organic thin-film layer includes a specific aromatic heterocyclic derivative A, and the second organic thin-film layer includes a specific aromatic heterocyclic derivative B. The aromatic heterocyclic derivative A and the aromatic heterocyclic derivative B are different from each other. The organic electroluminescence device is capable of driving at a low voltage and has a long lifetime.

    摘要翻译: 有机电致发光器件从阳极侧依次包括第一有机薄膜层和与阳极相对的阳极和阴极之间的第二有机薄膜层。 第一有机薄膜层包含特定的芳族杂环衍生物A,第二有机薄膜层包含特定的芳族杂环衍生物B.芳族杂环衍生物A和芳族杂环衍生物B彼此不同。 有机电致发光器件能够在低电压下驱动并且寿命长。