Highly stable polyphenylene ionomer membranes from dichlorobiphenyls

A simple, cost-effective synthetic strategy for highly stable, proton conductive polyphenylene membranes is reported. The title polyphenylene ionomer ( SPP-BP ) is easily prepared from dichlorobenzenesulfonic acid and dichlorobiphenyls. The SPP-BP membrane with an optimized m -biphenylene/ p -biphen...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (49), p.773-776
Main Authors: Shiino, Keisuke, Miyake, Junpei, Miyatake, Kenji
Format: Article
Language:English
Subjects:
Membranes
Organic chemistry
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Summary:A simple, cost-effective synthetic strategy for highly stable, proton conductive polyphenylene membranes is reported. The title polyphenylene ionomer ( SPP-BP ) is easily prepared from dichlorobenzenesulfonic acid and dichlorobiphenyls. The SPP-BP membrane with an optimized m -biphenylene/ p -biphenylene ratio ( i.e. , 4 : 1) for a hydrophobic moiety exhibits outstanding chemical stability as well as high proton conductivity. We found a practical, cost-effective synthetic strategy for highly stable, proton conductive polyphenylene ( SPP-BP ) membranes, where easy-to-synthesise compounds such as dichlorobiphenyls and dichlorobenzenesulfonic acid could be used as monomers.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc02475a