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Fabrication of hydrophobic/oleophilic cotton fabric based on thiol–ene click reaction for oil/water separation
The Journal of The Textile Institute ( IF 1.5 ) Pub Date : 2021-07-19 , DOI: 10.1080/00405000.2021.1952805
Liping Liang 1 , Yanyan Dong 1 , Wang Xu 1 , Xu Meng 1, 2
Affiliation  

Abstract

A hydrophobic/oleophilic cotton fabric was prepared based on thiol–ene click reaction. The preparation method was simple, which consists of only two steps. Firstly, self-assembly of 3-mercaptopropyltriethoxysilane (MPTES) to modify cotton fabric, and then octadecyl methacrylate was further grafted on the cotton fabric surface to generate low surface free energy. The chemical structure, surface topography and wettability were characterized. The results showed the as-prepared fabric possessed hydrophobic/oleophilic properties with a water contact angle (WCA) of 150.1°, and oil contact angle (OCA) was close to 0°. In addition, it had good hydrophobic property even if after 600 cycles of friction test. Meanwhile, the as-prepared fabric could separate various types of oil/water mixtures, and these separation efficiencies were better than 94% on average. It created a new method to prepare oil/water separation fabric, which will be used in practical applications.



中文翻译:

基于硫醇-烯点击反应制备疏水/亲油棉织物用于油水分离

摘要

基于硫醇-烯点击反应制备疏水/亲油棉织物。制备方法简单,仅需两步。首先,3-巯基丙基三乙氧基硅烷(MPTES)自组装对棉织物进行改性,然后在棉织物表面进一步接枝甲基丙烯酸十八酯,产生低表面自由能。对其化学结构、表面形貌和润湿性进行了表征。结果表明,所制备的织物具有疏水/亲油性能,水接触角(WCA)为150.1°,油接触角(OCA)接近0°。此外,即使经过600个循环的摩擦试验,它也具有良好的疏水性。同时,所制备的织物可以分离各种类型的油水混合物,这些分离效率平均优于94%。

更新日期:2021-07-19
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