Abstract
A multilayer nanocomposite film composed of anataseTiO2 nanoparticles was fabricated on cationically modified woven cotton fabrics by thelayer-by-layer molecular self-assembly technique. For cationic surface charge, cotton fabricswere pre-treated with 2,3-epoxypropyltrimethylammonium chloride (EP3MAC) by apad-batch method. Attenuated total reflectance Fourier transform infrared spectroscopy(FTIR), x-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM)were used to verify the presence of deposited nanolayers. Photocatalytic activities of thenanocomposite films were evaluated through the degradation of red wine pollutant. Nano-TiO2 deposition enhanced the protection of cotton fabrics against UV radiation incomparison with the untreated cotton fabrics. Air permeability and whitenessvalue analysis was performed on the fabrics before and after the treatment withTiO2 nanoparticles by the layer-by-layer deposition method. Tensile strength tests ofthe warp and weft yarns were performed to evaluate the effect of solution pHvalue changes during the alternate dipping procedures. For the first time thedurability of the effect of the self-assembled multilayer films on the cottonfabric functional properties was analyzed after 10 and 20 washing cycles at40 °C for 30 min.
Published Version
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