Journal
MEMBRANES
Volume 9, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/membranes9060072
Keywords
sulfur; barrier materials; gas permeation; thin-films
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Funding
- MacDiarmid Institute
- EPSRC [EP/R015481/1]
- Royal Society [RSG/R1/180395, UF150021]
- University of Canterbury, Christchurch, New Zealand
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Elemental sulfur was formed into poly(ether sulfone)-supported thin-films (ca. 10 mu m) via a melt-casting process. Observed permeabilities of C2H4, CO2, H-2, He, and N-2 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 S-8 allotrope. This structural conversion was observed to correlate with an increase in the permeability of all gases.
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