Abstract
This work investigates thermophysiological comfort properties of sonochemically synthesized nano TiO2 coated cotton and polyester woven fabrics. The obtained results were analysed on heat and mass transfer basis. Moisture management tester and Alambeta were utilised for moisture transportation and thermal evaluation. This study precisely investigates the effects of sonication on surface roughness of nano TiO2 coated and uncoated samples. Ultrasonic acoustic method was applied to imbibe nano TiO2 on fabric samples. Surface topography, morphology and the existence of nano TiO2 on investigated samples were analysed by scanning electron microscopy and inductively coupled plasma atomic emission spectroscopy. In addition, standard test methods were applied to estimate physical and thermophysiological comfort properties i.e. thermal resistance, thermal diffusivity, heat flow, wetting time and accumulative one-way transport index of uncoated and nano TiO2 coated samples.
Highlights
This work investigates thermophysiological comfort properties of sonochemically synthesized nano TiO2 coated cotton and polyester woven fabrics
The objective of this work was to examine the impacts of sonication and nano T iO2 coating on thermophysiological properties of fabrics with variation in thickness
The result illustrated that sonication and nano TiO2 coated fabrics provide significant improvements for thermal insulation
Summary
This work investigates thermophysiological comfort properties of sonochemically synthesized nano TiO2 coated cotton and polyester woven fabrics. Standard test methods were applied to estimate physical and thermophysiological comfort properties i.e. thermal resistance, thermal diffusivity, heat flow, wetting time and accumulative one-way transport index of uncoated and nano TiO2 coated samples. Thermophysiological properties i.e. thermal conductivity, thermal absorptivity, relative water vapour permeability, evaporative resistance, air permeability and overall moisture management capacity of different fabrics (cotton and polyester) were analysed and discussed in detail[1]. Thermophysiological circle is extended for thermal resistance, thermal diffusivity, maximum heat flow, wetting time and accumulative one-way transport index of nano TiO2 coated cotton and polyester woven fabrics. It is believed that this work is unique and extendable in its scope for other types of materials i.e. CuO and ZnO, and textile substrates
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