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Influence of oxidative strength of stable cation radicals of para-substituted triphenylamines on the process of pyrrole polymerization and on the properties of the polymeric products

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Abstract

A study has been made of the influence of the oxidative strength of stable cation radicals (CRs) of parasubstituted triphenylamines on the process of pyrrole polymerization and on the physicochemical characteristics of the resulting polymer. The triphenylamines had the general formula (X-C6H4)3 N + · A, where X=−OCH3 and A−=SbCl6 − (I); X=−CH3 and A−=SbCl6 − (II); X=−Br and A−=SbCl −6 (III); or X=−OCH3 and A−=BF4 − (IV). For the CRs I, II, and IV, polypyrrole formation was observed, the product being soluble in organic solvents, specifically in CH3CN. With increasing oxidative strength of the CR in the series I<II<III, the rate of the reaction with pyrrole increases, along with an increase of electrical conductivity of the polypyrrole product, and a decrease of the soluble polymer yield.

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Authors and Affiliations

  1. L. S. Pisarzhevskii Institute of Physical Chemistry, Ukraine Academy of Sciences, Kiev

    V. G. Koshechko, V. E. Titov & Y. A. Lopushanskaya

Authors
  1. V. G. Koshechko
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  2. V. E. Titov
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  3. Y. A. Lopushanskaya
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Additional information

Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 29, No. 3, pp. 250–254, May–June, 1993.

The authors wish to express their appreciation to the State Committee of the Ukraine on Matters of Science and Technology for financial support of this work within the scope of the GNTP “New Substances and Materials of Small-Scale Chemical Production.”

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Koshechko, V.G., Titov, V.E. & Lopushanskaya, Y.A. Influence of oxidative strength of stable cation radicals of para-substituted triphenylamines on the process of pyrrole polymerization and on the properties of the polymeric products. Theor Exp Chem 29, 170–172 (1994). https://doi.org/10.1007/BF00531176

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  • DOI: https://doi.org/10.1007/BF00531176

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