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Counterions-exchangeable, multifunctional polyelectrolyte fabrics

Authors
Lee, CH (Lee, Chang Hwan)Kang, SK (Kang, Sung Kyung)Lim, JA (Lim, Jung Ah)Kwark, YJ (Kwark, Young-Je)Lim, HS (Lim, Ho Sun)Kim, J (Kim, Jooyong)Cho, JH (Cho, Jeong Ho)
Issue Date
Aug-2012
Publisher
ROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY, v.22, no.29, pp.14656 - 14660
Journal Title
JOURNAL OF MATERIALS CHEMISTRY
Volume
22
Number
29
Start Page
14656
End Page
14660
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/147663
DOI
10.1039/c2jm31718d
ISSN
0959-9428
Abstract
We demonstrated multifunctional electrospun polyelectrolyte fabrics with switchable superhydrophobicity as well as oleophobicity. To produce this smart fabric, we used a strategy that combines electrospinning to fabricate nanofibrous templates with nanopores and a simple coating of the polyelectrolyte that can exchange counterions with various hydration energies. The ion exchange of polyelectrolyte embedded in nanoporous fibrous webs leads to switchable wetting behavior in water and oil. This electrospun fabric was also utilized as chemical filters for the efficient removal of sulfur dioxide (SO2) from waste gas streams.
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