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New dinuclear fluorine-containing bis(salicylidene)imine titanium complex: synthesis and catalytic properties in polymerization of ethylene and propylene

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Abstract

New dinuclear titanium(IV) dichloride complex with the chelating bis-4,4’-bis-imine-(3,5-di-tert-butylsalicylidene)octafluorobiphenyl ligand was synthesized. In the presence of polymethylaluminoxane (MAO), the complex showed high catalytic activity in ethylene polymerization leading to high molecular (M n ∼2500000) linear polyethylene with a high polydispersity index (M w/M n ∼7.0) and high melting point (142 °C). The catalytic activity in propylene polymerization in a medium of liquid monomer is substantially lower, and the polypropylene formed is a high molecular atactic elastomer.

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Authors and Affiliations

  1. Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory, 119992, Moscow, Russian Federation

    S. Ch. Gagieva & B. M. Bulychev

  2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow Region, Russian Federation

    T. A. Sukhova & N. M. Bravaya

  3. N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, 4 ul. Kosygina, 119991, Moscow, Russian Federation

    D. B. Savinov

  4. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation

    Yu. N. Belokon’

Authors
  1. S. Ch. Gagieva
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  2. T. A. Sukhova
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  3. D. B. Savinov
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  4. N. M. Bravaya
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  5. Yu. N. Belokon’
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  6. B. M. Bulychev
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 12, pp. 2652–2656, December, 2004.

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Gagieva, S.C., Sukhova, T.A., Savinov, D.B. et al. New dinuclear fluorine-containing bis(salicylidene)imine titanium complex: synthesis and catalytic properties in polymerization of ethylene and propylene. Russ Chem Bull 53, 2763–2767 (2004). https://doi.org/10.1007/s11172-005-0187-6

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  • DOI: https://doi.org/10.1007/s11172-005-0187-6

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