Fabrication of photocured anion-exchange membranes using water-soluble siloxane resins as cross-linking agents and their application in reverse electrodialysis

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dc.contributor.authorYang, SeungCheolko
dc.contributor.authorKim, Won-Sikko
dc.contributor.authorChoi, Jiyeonko
dc.contributor.authorChoi, Young-Wooko
dc.contributor.authorJeong, Namjoko
dc.contributor.authorKim, Hankiko
dc.contributor.authorNam, Joo-Younko
dc.contributor.authorJeong, Haejunko
dc.contributor.authorKim, Yonghoko
dc.date.accessioned2019-01-23T06:53:04Z-
dc.date.available2019-01-23T06:53:04Z-
dc.date.created2019-01-21-
dc.date.issued2019-03-
dc.identifier.citationJOURNAL OF MEMBRANE SCIENCE, v.573, pp.544 - 553-
dc.identifier.issn0376-7388-
dc.identifier.urihttp://hdl.handle.net/10203/250080-
dc.description.abstractThe utilization of large amounts of volatile organic solvents and the complicated process required for industrial manufacturing of ion-exchange membranes necessitate the development of simple, rapid, and environmentally friendly fabrication methods such as those based on photopolymerization. We employed hydrolytic sol-gel reactions between ammonium-and acrylamide-functionalized silane coupling agents to synthesize water-soluble siloxane resins that exhibit high condensation levels (> 80%) and comprise oligomers with molecular weights below 2000 Da. These resins were then mixed with a hydrophilic monomer bearing ammonium and acrylamide groups, and porous polyethylene substrates were impregnated with the resulting mixtures and then irradiated with ultraviolet light. The hydrophilicity, mechanical strength, and other properties of the resulting membranes depended on the resin composition, indicating that the substrate pores were efficiently filled with the prepared resins and further suggesting that the membrane performance could be effectively altered by varying the resin composition. Moreover, the obtained membranes exhibited chemical stability in the pH range between 0 and 11 and in hot water at 60 degrees C. The reverse electrodialysis stack consisting of these membranes showed higher power density than a stack of commercial membranes. Therefore, it can be concluded that without employing volatile organic solvents for reverse electrodialysis, the developed technique is well-suited for the fabrication of ion-exchange membranes.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.titleFabrication of photocured anion-exchange membranes using water-soluble siloxane resins as cross-linking agents and their application in reverse electrodialysis-
dc.typeArticle-
dc.identifier.wosid000454830600056-
dc.identifier.scopusid2-s2.0-85058643144-
dc.type.rimsART-
dc.citation.volume573-
dc.citation.beginningpage544-
dc.citation.endingpage553-
dc.citation.publicationnameJOURNAL OF MEMBRANE SCIENCE-
dc.identifier.doi10.1016/j.memsci.2018.12.034-
dc.contributor.nonIdAuthorYang, SeungCheol-
dc.contributor.nonIdAuthorKim, Won-Sik-
dc.contributor.nonIdAuthorChoi, Jiyeon-
dc.contributor.nonIdAuthorChoi, Young-Woo-
dc.contributor.nonIdAuthorJeong, Namjo-
dc.contributor.nonIdAuthorKim, Hanki-
dc.contributor.nonIdAuthorNam, Joo-Youn-
dc.contributor.nonIdAuthorJeong, Haejun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
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