Properties of thin Teflon AF 2400 coatings deposited onto carbon fabric from solutions in supercritical carbon dioxide

Kolomytkin, D.O.; Dvoryak, S.V.; Savilov, S.V.; Gallyamov, M.O.

Авторы: Kolomytkin D.O., Dvoryak S.V., Savilov S.V., Gallyamov M.O.
Журнал: Polymer Science, Series A
Том: 59
Номер: 1
Год издания: 2017
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 42
Последняя страница: 52
Оригинальные версии: Свойства тонких покрытий фторполимера Тефлон АФ 2400, наносимых на углеродную ткань из растворов в сверхкритическом диоксиде углерода
DOI: 10.1134/S0965545X17010072
Аннотация: For the design of hydrophobized conductive gas diffusion layers of the electrodes of polymercontaining fuel cells, of great interest is the method for the formation of a fluoropolymer film from fluoropolymer solution in supercritical carbon dioxide. The present work describes the systematic studies on the carbon-fabric-deposited Teflon AF 2400 coatings obtained by this method. The electrical and geometric characteristics of the coatings, their elemental compositions, and stabilities are studied. It is shown that supercritical carbon dioxide allows the deposited fluoropolymer to penetrate homogeneously into the depth of carbon fabric to form a uniform coating around single individual fibers. The optimum limits of variation in the Teflon AF 2400 amount upon production of the gas diffusion layers of polymer electrolyte, alkaline, and phosphoric acid fuel cells are determined.
Добавил в систему: Галлямов Марат Олегович

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Properties of thin Teflon AF 2400 coatings deposited onto carbon fabric from solutions in supercritical carbon dioxideстатья

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