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    • 2. 发明申请
    • THIOUREA GROUP IV TRANSITION METAL CATALYSTS AND POLYMERIZATION SYSTEMS
    • 硫脲脲IV族过渡金属催化剂和聚合体系
    • WO2018063799A1
    • 2018-04-05
    • PCT/US2017/051292
    • 2017-09-13
    • DOW GLOBAL TECHNOLOGIES LLC
    • KRASOVSKIY, Arkady, L.SZUROMI, Endre
    • C08F210/16C08F4/64
    • Catalyst compositions and polymerization systems include at least one thiourea complex according to Formula (I): MQ a X 4-a (I) in which M is Ti, Zr, or Hf; a is 1 or 2; each group Q of the thiourea complex is a bidentate thiourea ligand bound to the metal center and having Formula (Ia), Formula (Ib), or Formula (Ic): (Formulas should be inserted here). In Formulas (Ia), (Ib), and (Ic), each group R 1 , R 2 , and R 3 is independently chosen from alkyl groups or aryl groups; each group Z 1 or Z 2 is independently chosen from alkylene groups. If a = 2, groups R 1 of the two groups Q are optionally linked, or groups R 3 of the two groups Q are optionally linked. Each X is covalently bonded or coordinated to the metal center and is independently chosen from alkyl groups or halides. The polymerization systems may be configured to copolymerize ethylene and α-olefins.
    • 催化剂组合物和聚合体系包含至少一种根据式(I)的硫脲络合物:其中在式(I)中的MQa-X 4-a(I) 其中M是Ti,Zr或Hf; a是1或2; 硫脲络合物的每个基团Q是键合到金属中心并且具有式(Ia),式(Ib)或式(Ic)的二齿硫脲配体:(在此插入式)。 在式(Ia),(Ib)和(Ic)中,独立地选择基团R 1,R 2和R 3各自 来自烷基或芳基; 每个基团Z 1或Z 2独立地选自亚烷基。 如果a = 2,则两个基团Q的基团R 1任选地连接,或者两个基团Q的基团R 3任选地连接。 每个X与金属中心共价键合或配位,并独立地选自烷基或卤化物。 聚合体系可以配置为共聚乙烯和α-烯烃。
    • 9. 发明申请
    • THIOGUANIDINE GROUP IV TRANSITION METAL CATALYSTS AND POLYMERIZATION SYSTEMS
    • 硫代胍四族过渡金属催化剂和聚合体系
    • WO2018063813A1
    • 2018-04-05
    • PCT/US2017/051535
    • 2017-09-14
    • DOW GLOBAL TECHNOLOGIES LLC
    • KRASOVSKIY, Arkady L.SZUROMI, Endre
    • C08F210/16C08F4/64
    • Catalyst compositions and polymerization systems include at least one thioguanidine complex according to Formula (I): MQ a X 4 _ a (I) in which M is Ti, Zr, or Hf; a is 1 or 2; each group Q of the thioguanidine complex is a bidentate thioguanidine ligand bound to the metal center and having Formula (la) or Formula (lb), In Formulas (la) and (lb), each group R 1 , R 2 , and R 3 is independently chosen from alkyl groups or aryl groups; each group Z 1 is independently chosen from alkylene groups. If a = 2, groups R 3 of the two groups Q are optionally linked to each other through at least one covalent bond. Each X is covalently bonded or coordinated to the metal center and is independently chosen from alkyl groups or halides. The polymerization systems may be configured to copolymerize ethylene and a-olefins.
    • 催化剂组合物和聚合体系包括至少一种根据式(I)的硫代胍络合物:其中X 1,X 4, (I)其中M是Ti,Zr或Hf; a是1或2; 硫代胍复合物的每个基团Q是与金属中心结合并且具有式(Ia)或式(Ib)的二齿硫代胍配体。在式(Ia)和(Ib)中,每个基团R 1, ,R 2和R 3独立地选自烷基或芳基; 每个基团Z 1独立地选自亚烷基。 如果a = 2,则两个基团Q的基团R 3任选通过至少一个共价键彼此连接。 每个X与金属中心共价键合或配位,并独立地选自烷基或卤化物。 聚合体系可以配置为共聚乙烯和α-烯烃。