Processes to produce organo-aluminoxane compositions
    26.
    发明授权
    Processes to produce organo-aluminoxane compositions 有权
    生产有机铝氧烷组合物的方法

    公开(公告)号:US06353071B1

    公开(公告)日:2002-03-05

    申请号:US09489728

    申请日:2000-01-21

    IPC分类号: C08F21000

    摘要: Processes are provided that produce organo-aluminoxane compositions. Said processes comprise: desiccating a first mixture, where said first mixture comprises organo-aluminoxane molecules intermixed with a solvent, to produce a first composition, where said first composition comprises organo-aluminoxane molecules; mixing said first composition with a solvent to produce a second mixture, where said second mixture comprises organo-aluminoxane molecules and said solvent; contacting said second mixture with a insolublization agent to produce said organo-aluminoxane compositions. A polymerization process using a catalyst that comprises an organo-aluminoxane composition is also provided.

    摘要翻译: 提供了产生有机铝氧烷组合物的方法。 所述方法包括:干燥第一混合物,其中所述第一混合物包含与溶剂混合的有机铝氧烷分子,以产生第一组合物,其中所述第一组合物包含有机铝氧烷分子; 将所述第一组合物与溶剂混合以产生第二混合物,其中所述第二混合物包含有机铝氧烷分子和所述溶剂; 使所述第二混合物与不溶解剂接触以制备所述有机铝氧烷组合物。 还提供了使用包含有机铝氧烷组合物的催化剂的聚合方法。

    Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use
    30.
    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。