Abstract
The process of photooxidation of polytetrafluoroethylene composites with graphene by irradiation with monochromatic vacuum ultraviolet light at a wavelength of 123.6 nm from a resonant krypton lamp in the presence of air has been investigated by IR spectroscopy, X-ray photoelectron spectroscopy, and contact angle measurement. It has been shown that the introduction of small additives of graphene (1–10 wt%) into the polytetrafluoroethylene matrix leads to a significant decrease in the rate of the photodegradation process and, as a consequence, to improvement in the performance characteristics of the polymer under photooxidation conditions.
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Funding
This work was supported by the Russian Foundation for Basic Research, project no. 20-03-00046, and carried out on a State Task topic, state registry nos. AAAA-A18-118112290069-6 and AAAA-A19-119032690060-9.
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Translated by S. Zatonsky
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Vasilets, V.N., Shulga, Y.M., Kabachkov, E.N. et al. Photooxidative Resistance of Polytetrafluoroethylene–Graphene Nanocomposites to Vacuum Ultraviolet Radiation. High Energy Chem 55, 280–284 (2021). https://doi.org/10.1134/S0018143921040147
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DOI: https://doi.org/10.1134/S0018143921040147