Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 101, Issue 5, Pages 2938-2943Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/app.23443
Keywords
silicas; fibers; colloids; silver nanoparticles; thin-films
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In this study, cotton fabric was successfully modified to have an antibacterial property through use of the sol-gel process. Dodecanethiol-capped silver nanoparticles, which have powerful antibacterial activity, were incorporated in silica sol. The starting materials were silver nitrate, tetraoctylammonium bromide, sodium borohydride, chloroform, 1-dodecanethiol, ethanol, tetraethylorthosilicate, and water. The cotton fabric was padded with dodecanethiol-capped silver nanoparticle-doped sol, dried at 60 degrees C, and cured at 150 degrees C. Scanning electron microscopy showed a uniform and continuous layer of doped sol on the fiber surface. The antibacterial effects of the treated cotton fabric against Escherichia coli were examined and found to be excellent. (c) 2006 Wiley Periodicals, Inc.
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