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quaternary ammonium-based composite particles for antibacterial finishing of cotton-based textiles英文资料.pdf

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quaternary ammonium-based composite particles for antibacterial finishing of cotton-based textiles英文资料

Available online at ScienceDirect ScienceDirect J. Mater. Sci. Technol., 2014, 30(1), 19e29 Quaternary Ammonium-based Composite Particles for Antibacterial Finishing of Cotton-based Textiles 1) 2) 1) 2) 1)* M. Messaoud , E. Chadeau , P. Chaudouët , N. Oulahal , M. Langlet 1) LMGP (Grenoble Institute of Technology-Minatec), 3 Parvis Louis Néel, F-38016 Grenoble Cedex 1, France 2) LRGIA (Université de Lyon, Université Lyon 1), Rue Henri de Boissieu, F-01000 Bourg en Bresse, France [Manuscript received February 2, 2013, in revised form June 3, 2013, Available online 25 September 2013] The antibacterial finishing of cotton-based fabrics has been achieved from quaternary ammonium-based composite particles. This functionalization is based on the simple dilution of a quaternary ammonium cation (QAC) hybrid alkoxide within a solegel derived crystalline suspension (CS) of TiO2 in liquid solution. This protocol yields the preparation of QACeTiO2 (QT) composite sols by using a same CS over a long period of time, and enables an easy regeneration of derived QT sols after quite long aging periods. Composite sols can then be impregnated on various kinds of substrates, including textile fabrics. Fourier transform infrared spectroscopy studies, as well as optical and scanning electron microscopy observations, have been used to investigate chemical and morphological features arising from QT particles. Antibac