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Polymerization of ethylene with self-immobilizing bis(phenoxyimine) catalytic systems

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Abstract

The kinetic features of polymerization of ethylene with five methylaluminoxane-activated selfim-mobilizing bis(phenoxyimine) complexes of titanium chloride, namely, bis{2-[(4-allyloxyphenylimino)methyl]-6-tert-butylphenoxy}TiCl2, bis{2-[(4-allyloxyphenylimino)methyl]-4,6-di-tert-butylphenoxy}TiCl2, bis{2-[(4-allyloxyphenylimino)methyl]-6-cumylphenoxy}TiCl2, bis{2-[(4-allyloxyphenylimino)methyl]-4,6-dicumylphenoxy}TiCl2, and bis{2-[(4-allyloxyphenylimino)methyl]-6-1-(4-tert-butylphenyl)ethylphenoxy}TiCl2 have been studied. The activity of these complexes in the polymerization of ethylene in the temperature range 20–80°C and an ethylene pressure of 0.3 MPa has been investigated both in the homogeneous and polymer matrix-bound states. The self-immobilizing catalytic systems possess high activity (up to 40000 kgPE/molcat MPa h) and give rise to ultrahigh-molecular-weight PE (M = (2–7) × 106) with an improved morphology of polymer particles.

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Authors and Affiliations

  1. Boreskov Institute of Catalysis (St. Petersburg Branch), Siberian Branch, Russian Academy of Sciences, pr. Dobrolyubova 14, St. Petersburg, 197198, Russia

    S. S. Ivanchev, M. Yu. Vasil’eva, N. I. Ivancheva, V. K. Badaev & E. V. Sviridova

  2. Vorozhtsov Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 9, Novosibirsk, 630090, Russia

    I. I. Oleinik & G. A. Tolstikov

Authors
  1. S. S. Ivanchev
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  2. M. Yu. Vasil’eva
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  3. N. I. Ivancheva
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  4. V. K. Badaev
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  5. I. I. Oleinik
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  6. E. V. Sviridova
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  7. G. A. Tolstikov
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Corresponding author

Correspondence to S. S. Ivanchev.

Additional information

Original Russian Text © S.S. Ivanchev, M.Yu. Vasil’eva, N.I. Ivancheva, V.K. Badaev, I.I. Oleinik, E.V. Sviridova, G.A. Tolstikov, 2009, published in Vysokomolekulyarnye Soedineniya, Ser. B, 2009, Vol. 51, No. 8, pp. 1538–1545.

This work was supported by the Siberian Division, Russian Academy of Sciences, within the framework of complex integration project no. 4.6.

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Ivanchev, S.S., Vasil’eva, M.Y., Ivancheva, N.I. et al. Polymerization of ethylene with self-immobilizing bis(phenoxyimine) catalytic systems. Polym. Sci. Ser. B 51, 276–282 (2009). https://doi.org/10.1134/S1560090409070100

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  • DOI: https://doi.org/10.1134/S1560090409070100

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