Abstract
The aim of the study was to investigate the incorporation of the antibacterial agent, miconazole nitrate into cyclodextrin cavities covalently bonded onto cloth fibers. The cellulosic fabric was grafted with β-cyclodextrin molecules through reaction with monochlorotriaziny β-cyclodextrin (MCT-β-CD). The suitable bonded reaction conditions were found to be MCT-β-CD 60–100 g/L, catalyst Na 2CO 3 50–60 g/L, the reaction temperature 150–160 °C and the reaction time 5–8 min. The modified and unmodified fabrics were characterized by UV spectrophotometry. The level of miconazole nitrate entrapped in the fabrics were determined by HPLC and was founded to be much higher (0.458% w/w) for the textile functionalized with MCT-β-CD compared to the unmodified fabric (0.056% w/w). The antibacterial abilities measured by shaker flask method showed that the antibacterial property was markedly enhanced by impregnation with miconazole nitrate of the MCT-β-CD grafted textile. The finished fabric kept the antibacterial abilities more than 70% even after washing 10 times, while the antibacterial activity of the unmodified textile was almost lost.
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