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首页> 外文期刊>Industrial Crops and Products >A sustainable and cost effective surface functionalization of cotton fabric using TiO2 hydrosol produced in a pilot scale: Condition optimization, sunlight-driven photocatalytic activity and practical applications
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A sustainable and cost effective surface functionalization of cotton fabric using TiO2 hydrosol produced in a pilot scale: Condition optimization, sunlight-driven photocatalytic activity and practical applications

机译：使用试验规模生产的TiO2水溶酚的棉织物可持续和成本效益的表面官能化：条件优化，阳光驱动的光催化活性和实用应用

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摘要

This paper aimed to develop a successful multi-functional finishing of cotton fabric with TiO2 hydrosol produced on a pilot-scale as a sustainable and cost-effective alternative to the market dominating nano TiO2 powders. The surface morphology, crystalline phase and photocatalytic activity of the finished fabric was evaluated and compared with those finished with two commercial nano TiO2 powders. The finished fabric was tested for its ability to decompose indoor formaldehyde and to self-clean three different stains under illumination. The results indicated that 130 degrees C is the optimal curing temperature to obtain the finished fabric with higher TiO2 loading and catalytic activity. Increasing the pH of the TiO2 hydrosol enhanced the TiO2 loading, however, led to a lower activity. The catalytic activity of the TiO2 hydrosol finished fabric was similar to or higher than that of finished fabric with nano TiO2 powders. The catalytic activity of the hydrosol finished fabric was found to be sunlight driven and greatly dependent on weather conditions. This finished fabric shows excellent decomposition of indoor formaldehyde and self-cleaning performance on different stains under compact fluorescent or solar irradiation.
机译：本文旨在开发棉织物的成功多功能整理，用TiO2加氢酚在试验范围内生产，作为可持续和经济高效的市场占据纳米TiO2粉末的替代品。评价成品织物的表面形态，结晶相和光催化活性，与用两种商业纳米TiO2粉末完成的那些进行比较。测试成品织物的能力分解室内甲醛，并在照明下自行清洁三种不同的污渍。结果表明，130℃是最佳固化温度，以获得具有更高TiO 2负载和催化活性的成品织物。然而，增加TiO 2水溶醇的pH增强了TiO 2负载，导致了较低的活性。 TiO2水溶醇成品织物的催化活性类似于或高于用纳米TiO2粉末的成品织物的催化活性。发现氢化醇成品织物的催化活性是阳光驱动的，大大依赖于天气条件。这种成品织物显示在紧凑型荧光或太阳照射下的不同污渍上的室内甲醛和自清洁性能的优异分解。

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