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Effect of organomodified layered silicates on the properties and structure of polytetrafluoroethylene

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Abstract

The physicomechanical and triboengineering properties and the structures of polymer composite materials based on polytetrafluoroethylene and layered silicates are studied. The triboengineering characteristics are substantially improved by the introduction of a small amount of layered silicates (2–5 wt %). It is found that the introduction of organomodified layered silicates leads to a considerable reduction in the friction coefficient, by an order of magnitude, and causes an increase in wear resistance (2000-fold). With the use of X-ray structural analysis and scanning electron microscopy, it is shown that, during friction loading, filler particles are localized on the friction surface, thereby hampering wear of the material.

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Authors and Affiliations

  1. Institute of Natural Sciences, Ammosov Northeastern Federal University, ul. Belinskogo 58, Yakutsk, 677000, Sakha, Russia

    Yu. V. Kirillina, N. N. Lazareva, S. A. Sleptsova & A. A. Okhlopkova

Authors
  1. Yu. V. Kirillina
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  2. N. N. Lazareva
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  3. S. A. Sleptsova
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  4. A. A. Okhlopkova
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Corresponding author

Correspondence to Yu. V. Kirillina.

Additional information

Original Russian Text © Yu.V. Kirillina, N.N. Lazareva, S.A. Sleptsova, A.A. Okhlopkova, 2016, published in Vysokomolekulyarnye Soedineniya. Ser. A, 2016, Vol. 58, No. 1, pp. 82–88.

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Kirillina, Y.V., Lazareva, N.N., Sleptsova, S.A. et al. Effect of organomodified layered silicates on the properties and structure of polytetrafluoroethylene. Polym. Sci. Ser. A 58, 95–101 (2016). https://doi.org/10.1134/S0965545X16010065

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  • DOI: https://doi.org/10.1134/S0965545X16010065

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