The antibacterial finish of cotton via sols containing quaternary ammonium salts |
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Authors: | Xuexin Wang Chaoxia Wang |
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Institution: | (1) Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, 1800 Lihu Road, 214122 Wuxi, China |
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Abstract: | The sols containing quaternary ammonium salts were prepared via sol-gel process. The effects of the molar rate of HCl, H2O and EtOH to TEOS on the sol viscosity were investigated in detail. Cetyltrimethylammonium bromide (CTAB), Octadecyl dimethyl
benzyl ammonium chloride (DC) and Ethylene-Bis (Octadecyl trimethyl ammonium chloride) E-Bis(OTAC)]were added in the sols
and applied to cotton samples by treated. The antibacterial activities of the samples were assessed against both Escherichia coli and Staphylococcus
aureus bacteria. The samples treated by E-Bis(OTAC) sol exhibited the satisfactory antibacterial activity that resulted from the
more microorganism adsorption and hydrophobicity. The antibacterial activities were still excellent after 10 times washings
comparison with the control samples. |
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Keywords: | Quaternary ammonium salts Sol-gel Viscosity Antibacterial activity Durability |
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