Abstract
Data on the composition of the external polymer part of the composite polytetrafluoroethylene (PTFE) oxide coatings obtained on an aluminum substrate by plasma electrolytic oxidation (PEO) within a single stage are presented. The coatings were formed in an aqueous silicate electrolyte with addition of PTFE dispersed powder in a siloxane–acrylate emulsion. It has been established that the external polymer-like layer of the PTFE/PEO coatings does not represent a physical mixture of the siloxane–acrylate copolymer and PTFE particles, but is composed of fragments of them. A partial substitution of fluorine by hydrogen in fluorocarbons contained in the coatings has been revealed. The obtained data are crucial for expanding knowledge on the formation, structure, composition, and properties of the composite polymer-containing oxide coatings formed within a single stage by means of plasma electrolytic oxidation on the valve metal surface.
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Original Russian Text © A.A. Vaganov-Vil’kins, V.S. Rudnev, A.D. Pavlov, S.V. Sukhoverkhov, 2018, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2018, Vol. 54, No. 3, pp. 280–286.
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Vaganov-Vil’kins, A.A., Rudnev, V.S., Pavlov, A.D. et al. Compositions of Composite Polymer-Oxide Coatings on Aluminum from Pyrolytic Gas Chromatography Mass-Spectrometry Data. Prot Met Phys Chem Surf 54, 442–447 (2018). https://doi.org/10.1134/S2070205118030218
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DOI: https://doi.org/10.1134/S2070205118030218