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Dicyclopentadienyltitanium chlorides as regulators of free-radical polymerization of vinyl monomers

  • Synthesis, Polymerization
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Abstract

The free-radical polymerization of styrene and methyl methacrylate in the presence of dicyclopentadienyltitanium chloride and dicyclopentadienyltitanium dichloride has been studied. It has been shown that the process proceeds without autoacceleration up to high conversions and is characterized by a linear increase in molecular mass with conversion. On the basis of quantum chemical calculations and ESR spectroscopic data, a scheme describing the growth of polymer chains with participation of organotitanium compounds is proposed.

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Authors and Affiliations

  1. Research Institute of Chemistry, Lobachevskii State University, pr. Gagarina 23/5, Nizhni Novgorod, 603950, Russia

    A. A. Shchepalov & D. F. Grishin

Authors
  1. A. A. Shchepalov
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  2. D. F. Grishin
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Correspondence to D. F. Grishin.

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Original Russian Text © A.A. Shchepalov, D.F. Grishin, 2008, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2008, Vol. 50, No. 4, pp. 599–606.

This work was supported by the Russian Foundation for Basic Research, project no. 07-03-12017.

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Shchepalov, A.A., Grishin, D.F. Dicyclopentadienyltitanium chlorides as regulators of free-radical polymerization of vinyl monomers. Polym. Sci. Ser. A 50, 382–387 (2008). https://doi.org/10.1134/S0965545X08040044

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  • DOI: https://doi.org/10.1134/S0965545X08040044

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