Metallocenes and processes therefor and therewith
    4.
    发明授权
    Metallocenes and processes therefor and therewith 失效
    金属茂及其处理方法及其

    公开(公告)号:US5399636A

    公开(公告)日:1995-03-21

    申请号:US75712

    申请日:1993-06-11

    摘要: A composition is provided comprising a metallocene having the formula of: ##STR1## wherein each Z can be the same or different hydrocarbyl radical selected from the group consisting of cyclopentadienyl, indenyl, tetrahydroindenyl, fluorenyl, and mixtures thereof; each X can be the same or different and is selected from the group consisting of hydrogen, fluorine, chlorine, bromine, iodine, R, OR, NR.sub.2, PR.sub.2, or OQ, or mixtures thereof wherein the R is a C.sub.1 -C.sub.20 hydrocarbyl radical and Q is an inorganic moiety selected from the group consisting of silica, alumina, clay, phosphated alumina, and mixtures thereof; each Y can be the same or different and is an alkyl group, hydrogen, fluorine, chlorine, bromine, iodine, or mixtures thereof; E is selected from C, Sn, Si, Ge, B, Al, N, or P; M is a metal selected from Ti, Zr, Hf, Sc, Y, V, or La; m is a number sufficient to fill out the valences of metal M; and n is 1 or 2. Also provided is a process for preparing the metallocene by contacting a hydrocarbon having an acidic, replaceable hydrogen with an organolithium and an organohalosilane to prepare a ligand which is then contacted with an organo alkali metal compound to form a bridged ligand followed by contacting the bridged ligand with an organolithium and a metal halide. The composition is useful for olefin polymerization, hydrogenation, alkene epoxidation, alkene isomerization, and ketone reduction.

    摘要翻译: 提供了一种组合物,其包含具有下式的茂金属:其中每个Z可以是相同或不同的选自环戊二烯基,茚基,四氢茚基,芴基及其混合物的烃基; 每个X可以相同或不同,并且选自氢,氟,氯,溴,碘,R,OR,NR2,PR2或OQ,或其混合物,其中R是C1-C20烃基 Q是选自二氧化硅,氧化铝,粘土,磷酸化氧化铝及其混合物的无机部分; 每个Y可以相同或不同,并且是烷基,氢,氟,氯,溴,碘或其混合物; E选自C,Sn,Si,Ge,B,Al,N或P; M是选自Ti,Zr,Hf,Sc,Y,V或La的金属; m是足以填充金属M的价数; 并且n为1或2.还提供了通过使具有酸性可置换氢的烃与有机锂和有机卤代硅烷接触来制备金属茂的方法,以制备配体,然后与有机碱金属化合物接触以形成桥连 配体,然后使桥连配体与有机锂和金属卤化物接触。 该组合物可用于烯烃聚合,氢化,烯烃环氧化,烯烃异构化和酮还原。

    Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use
    9.
    发明授权
    Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use 失效
    聚合物配体,聚合金属茂,催化剂体系,制备和用途

    公开(公告)号:US06372930B1

    公开(公告)日:2002-04-16

    申请号:US09501816

    申请日:2000-02-10

    IPC分类号: C07F1700

    摘要: Polymeric ligands, polymeric metallocenes, and processes for preparing same are provided. The process for preparing polymeric metallocenes comprises reacting a polymeric ligand, a transition metal compound, and an alkali metal compound. In one embodiment, a process for preparing polymeric ligands comprises reacting at least one bridged cyclopentadienyl-type monomer and an initiator under polymerization conditions. In another embodiment, a polymeric ligand is represented by the formula [Q′]n, wherein Q′ is a unit containing at least one bridged cyclopentadienyl-type group and wherein n is 1-5000. In another embodiment, a polymeric metallocene is represented by the formula [Q″MXm]n, wherein Q″ is a unit containing at least one fluorenyl-type group, M is a transition metal, each X is individually a hydrocarbyl group containing 1 to 20 carbon atoms, an alkoxy group containing 1 to 12 carbon atoms, an aryloxy group containing 6 to 20 carbon atoms, a halide, or hydride, m is 2 or 3, and wherein n is 1-5000. Other aspects of the present invention include a catalyst system comprising the polymeric metallocene and an organoaluminoxane, a method for preparing same, and a polymerization process employing the catalyst system.

    摘要翻译: 提供了聚合配体,聚合金属茂及其制备方法。 制备聚合金属茂的方法包括使聚合物配体,过渡金属化合物和碱金属化合物反应。 在一个实施方案中,制备聚合物配体的方法包括在聚合条件下使至少一种桥连环戊二烯基型单体与引发剂反应。 在另一个实施方案中,聚合物配体由式[Q'] n表示,其中Q'是含有至少一个桥连环戊二烯基型基团并且其中n为1-5000的单元。 在另一个实施方案中,聚合物茂金属由式[Q'MXm] n表示,其中Q“是含有至少一个芴基型基团的单元,M是过渡金属,每个X各自含有含烃基 1〜20个碳原子的烷氧基,碳原子数1〜12的烷氧基,碳原子数6〜20的芳氧基,卤化物或氢化物,m为2或3,n为1-5000。 本发明的其它方面包括包含聚合金属茂和有机铝氧烷的催化剂体系,其制备方法和使用催化剂体系的聚合方法。

    Process for preparing polymer bound metallocenes
    10.
    发明授权
    Process for preparing polymer bound metallocenes 失效
    制备聚合物结合金属茂的方法

    公开(公告)号:US5492974A

    公开(公告)日:1996-02-20

    申请号:US455380

    申请日:1995-05-31

    摘要: A polymer bound ligand represented by the formula QM(R).sub.m and process for preparing same are provided, wherein Q is a polystyrene, M is Si, C, Ge, Sn, P, or N, each R is a that at least one R is a cyclopentadienyl-type compound, and m is 2 or 3, said process comprising reacting a metallated polystyrene and an organohalide compound, wherein the polystyrene is metallated with an alkali metal, and wherein said organohalide compound is represented by the formula XM(R).sub.m wherein X is a halide. Other aspects of the present invention include a polymer bound metallocene represented by the formula QM(R).sub.m ZY.sub.n and a process for preparing same, wherein Z is a transition metal, Y is a halide, methyl, hydrogen, or a cyclopentadienyl-type group, and n is 2 or 3. Other aspects of the present invention include a catalyst system comprising the polymer bound metallocene and an organoaluminoxane, a method for preparing same, and a polymerization process employing the catalyst system.

    摘要翻译: 提供由式QM(R)m表示的聚合物结合配体及其制备方法,其中Q是聚苯乙烯,M是Si,C,Ge,Sn,P或N,每个R是至少一个 R是环戊二烯基型化合物,m为2或3,所述方法包括使金属化聚苯乙烯和有机卤化物化合物反应,其中聚苯乙烯用碱金属进行金属化,其中所述有机卤化物由式XM(R )m,其中X是卤化物。 本发明的其它方面包括由式QM(R)mZYn表示的聚合物结合金属茂及其制备方法,其中Z为过渡金属,Y为卤化物,甲基,氢或环戊二烯基型基团, 并且n为2或3.本发明的其它方面包括包含聚合物结合的茂金属和有机铝氧烷的催化剂体系,其制备方法和使用该催化剂体系的聚合方法。