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

被引：0
|
作者：
Jia, Xicheng [1 ]
Bennett, Thomas D. [2 ]
Cowan, Matthew G. [1 ]
机构：
[1] Univ Canterbury, Dept Chem & Proc Engn, Christchurch 8041, New Zealand
[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB3 0FS, England
来源：
MEMBRANES | 2019年 / 9卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
sulfur; barrier materials; gas permeation; thin-films; ELEMENTAL SULFUR; INVERSE VULCANIZATION; POLYMERS; MEMBRANES; BATTERIES; WASTE;
D O I：
10.3390/membranes9060072
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
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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页数：9
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