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http://dx.doi.org/10.12772/TSE.2014.51.193

Preparation and Antimicrobial Properties of Nylon 6/Nano-TiO2 Nanohybrids  

Lee, Duk Hyeong (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Jo, Seong Min (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Min, Byung Gil (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Publication Information
Textile Science and Engineering / v.51, no.4, 2014 , pp. 193-199 More about this Journal
Abstract
Nanohybrids of nylon 6 and nano-titania ($TiO_2$) were prepared by melt compounding with a twin-screw extruder to investigate antibacterial activity. It was confirmed by field emission scanning electron microscopy (FESEM), energy dispersive spectrometry (EDS), and X-ray diffraction (XRD) that nano-$TiO_2$ was successfully dispersed in the nylon 6 matrix at the level of individual particles. After immersion in an aqueous solution of $AgNO_3$ at 100 ppm Ag ion concentration, silver was introduced to the nanohybrids through photocatalytic reduction by nano-$TiO_2$ under UV (254 nm) irradiation. With increasing nano-$TiO_2$ content, the nanohybrids with silver photodeposited on the nano-$TiO_2$. The nylon $6/TiO_2$-Ag nanohybrids exhibited strong antimicrobial activity against Klebsiella pneumoniae and Staphylococcus aureus in measurements with the shaking flask method.
Keywords
nylon 6; nano-$TiO_2$; photodeposition by UV irradition; silver; antibacterial activity;
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Times Cited By KSCI : 3  (Citation Analysis)
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