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Open AccessArticle

Gas Permeation of Sulfur Thin-Films and Potential as a Barrier Material

Department of Chemical and Process Engineering, University of Canterbury, Christchurch 8041, New Zealand
Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, UK
Authors to whom correspondence should be addressed.
Membranes 2019, 9(6), 72;
Received: 31 May 2019 / Revised: 11 June 2019 / Accepted: 12 June 2019 / Published: 14 June 2019
Elemental sulfur was formed into poly(ether sulfone)-supported thin-films (ca. 10 µm) via a melt-casting process. Observed permeabilities of C2H4, CO2, H2, He, and N2 through the sulphur thin-films were <1 barrer. The sulfur thin-films were observed to age over a period of ca. 15 days, related to the reversion of polymerized sulfur to the S8 allotrope. This structural conversion was observed to correlate with an increase in the permeability of all gases. View Full-Text
Keywords: sulfur; barrier materials; gas permeation; thin-films sulfur; barrier materials; gas permeation; thin-films
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Jia, X.; Bennett, T.D.; Cowan, M.G. Gas Permeation of Sulfur Thin-Films and Potential as a Barrier Material. Membranes 2019, 9, 72.

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