Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 12, Issue 6, Pages 698-705Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201601729
Keywords
chemical warfare agents; decontamination; electrospinning; nerve agent analogues; sol-gel reaction; zirconium hydroxide
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Funding
- National Research Foundation of Korea (NRF) Grant - Korean Government (MSIP) [2015R1D1A1A01060467, 2013M3A6A5073175]
- Agency for Defense Development [UD150014ID]
- National Research Foundation of Korea [2015R1D1A1A01060467] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Diverse innovative fabrics with specific functionalities have been developed for requirements such as self-decontamination of chemical/biological pollutants and toxic nerve agents. In this work, Zr(OH)(4)-coated nylon-6,6 nanofiber mats were fabricated for the decontamination of nerve agents. Nylon-6,6 fabric was prepared via the electrospinning process, followed by coating with Zr(OH)(4), which was obtained by the hydrolysis of Zr(OBu)(4) by a sol-gel reaction on nanofiber surfaces. The reaction conditions were optimized by varying the amounts of Zr(OBu)(4),the reaction time, and the temperature of the sol-gel reaction. The composite nanofibers show high decontamination efficiency against diisopropylfluorophosphate, which is a nerve agent analogue, due to its high nucleophilicity that aids in the catalysis of the hydrolysis of the phosphonate ester bonds. Composite nanofiber mats have a large potential and can be applied in specific fields such as military and medical markets.
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