CYCLOPENTADIENYLIDENE-PHOSPHORANE CONSTRAINED GEOMETRY COMPLEXES OF RARE EARTH METALS
    1.
    发明申请
    CYCLOPENTADIENYLIDENE-PHOSPHORANE CONSTRAINED GEOMETRY COMPLEXES OF RARE EARTH METALS 审中-公开
    稀土金属的环烯二烯基磷光体约束几何复合物

    公开(公告)号:US20140163187A1

    公开(公告)日:2014-06-12

    申请号:US14235259

    申请日:2012-08-02

    Abstract: The invention relates to η5:η1-cyclopentadienylidene-phosphorane constrained geometry complexes of rare earth metals, abbreviated to η5:η1-CpPC-CGC, method for production and use of same. The η5:η1-CpPC-CGCs correspond to the general formula (1), wherein SE=Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu; X=independently of one another, a mono-anionic diorganoamido-, bistrimethylsilylamido-, halogenido-, alkyl-, aryl-, alkoxo-, aryloxo- or alkylaluminate (AlR4−) substituent; L=neutral ligand (PR3, NR3, pyridine), solvent molecule (THF, ether, DMF, DMSO, HMPT, tetrahydropyran THP, tetrahydrothiofuran THT); R=alkyl with up to 1-10 C atoms or mono- or polycyclical aryl with 6 to 20 C atoms; R1, R4=independently of one another H or methyl; R2, R3=independently of one another, H or methyl or tertiary butyl or together a substituted cycloalkyl group; R5, R6=methyl, n-butyl, tertiary butyl or phenyl; R7, R8=independently of one another H, trimethylsilyl, alkyl with 1-10 C atoms or mono- or polycyclical aryl with 6 to 20 C atoms, and m=0, 1, 2 or 3.

    Abstract translation: 本发明涉及& 5>稀土金属的1-环戊二烯基 - 正磷烷约束几何配合物,缩写为& e> 1-CpPC-CGC,其生产和使用方法。 其中SE = Sc,Y,La,Ce,Pr,Nd,Pm,Sm,Eu,Gd,Tb,Dy,Ho等于通式(1) Er,Tm,Yb或Lu; X =彼此独立,单阴离子二有机基酰胺基,双三甲基甲硅烷基氨基 - ,卤代 - ,烷基 - ,芳基 - ,烷氧基 - ,芳氧基 - 或烷基铝酸盐(AlR 4 - )取代基; L =中性配体(PR3,NR3,吡啶),溶剂分子(THF,醚,DMF,DMSO,HMPT,四氢吡喃THP,四氢噻呋喃THT); R =具有至多1-10个C原子的烷基或具有6至20个C原子的单环或多环芳基; R1,R4 =彼此独立地为H或甲基; R2,R3彼此独立地为H或甲基或叔丁基或一起取代的环烷基; R 5,R 6 =甲基,正丁基,叔丁基或苯基; R 7,R 8彼此独立地为H,三甲基甲硅烷基,具有1-10个C原子的烷基或具有6至20个C原子的单环或多环芳基,m = 0,1,2或3。

    MULTINUCLEAR METALLOCENE CATALYST COMPLEXES FOR OLEFIN POLYMERISATION AND COPOLYMERISATION AND METHOD OF PREPARING THEREOF

    公开(公告)号:US20140024790A1

    公开(公告)日:2014-01-23

    申请号:US14002910

    申请日:2012-02-14

    Abstract: The invention relates to a multinuclear metallocene catalyst of general formula (1); wherein Y and Y′ are the same or different and independently selected from a C1-20 linear hydrocarbyl group; C1-20 branched hydrocarbyl group; C1-20 cyclic hydrocarbyl group; a C1-30 aryl group and a C1-30 substituted aryl group; L and L′ are the same or different and each is an electron-donating group independently selected from the elements of Group 15 of the Periodic Table; Q and Q′ are the same or different and independently selected from hydrogen, a C1-30 alkyl group and a C1-30 aryl group; M″ is a metal selected from Group 3, 4, 5, 6, 7, 8, 9 and 10 elements and from lanthanide series elements of the Periodic Table; Z is selected from the group consisting of hydrogen; a halogen element; a C1-20 hydrocarbyl group; C1-20 alkoxy group and a C1-20 aryloxy group; B and B′ are the same or different and each is a half sandwich metallocene compound, with B being represented by Formula 2 and B′ being represented by Formula 3: W-M-Xx (Formula 2), W′-M′-X′x′, (Formula 3) wherein: W and W′ are the same or different and independently a ligand compound having a cyclo pentadienyl skeleton selected from the group consisting of cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, fluorenyl and substituted fluorenyl; M and M′ are the same and each is independently selected from the group consisting of scandium; yttrium; lanthanoid series elements; titanium; zirconium; hafnium; vanadium; niobium; and tantalum; X and X′ are the same or different and each is selected from the group consisting of hydrogen; a halogen element; a C 1-20 hydrocarbyl group, C1-20 alkoxy group; and C1-20 aryloxy group; x and x′ are independently integers from 0 to 3; z is an integer from 1 to 5; n, n′ are independently 0 or 1, with 1≦(n+n′)≦2. The invention further relates to a method to prepare said multinuclear metallocene catalyst compound. The invention further relates to a catalyst system and to a process for the polymerisation of olefins.

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