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Mechanism of the Effect of Gamma Irradiation on the Surface Properties of Polytetrafluoroethylene

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Abstract

Changes in the work of adhesion γSL of polar and nonpolar liquids, as well as the dispersion and polar components of the surface energy of γS suspension-polymerized polytetrafluoroethylene (PTFE) as a function of the gamma-radiation dose are analyzed quantitatively. A physicochemical model for increasing the work of adhesion γSL of a polar liquid is proposed. The model is based on the formation of a double electrostatic layer at the phase interface due to ion-dipole interaction.

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Authors and Affiliations

  1. Karpov Institute of Physical Chemistry, Moscow, 103064, Russia

    A. Yu. Obvintsev, S. A. Serov & N. V. Sadovskaya

  2. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, 119991, Russia

    S. A. Khatipov

  3. All-Russian Scientific Research Institute of Aviation Materials, Moscow, 105005, Russia

    V. M. Bouznik

Authors
  1. A. Yu. Obvintsev
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  2. S. A. Serov
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  3. N. V. Sadovskaya
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  4. S. A. Khatipov
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  5. V. M. Bouznik
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Corresponding author

Correspondence to A. Yu. Obvintsev.

Additional information

Original Russian Text © A.Yu. Obvintsev, S.A. Serov, N.V. Sadovskaya, S.A. Khatipov, V.M. Bouznik, 2018, published in Poverkhnost’, 2018, No. 10, pp. 52–58.

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Obvintsev, A.Y., Serov, S.A., Sadovskaya, N.V. et al. Mechanism of the Effect of Gamma Irradiation on the Surface Properties of Polytetrafluoroethylene. J. Surf. Investig. 12, 988–993 (2018). https://doi.org/10.1134/S1027451018050300

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  • DOI: https://doi.org/10.1134/S1027451018050300

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