Fabricating self-stratifying coating for superhydrophobic cotton textile,Journal of Applied Polymer Science

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Fabricating self-stratifying coating for superhydrophobic cotton textile
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-12-13 , DOI: 10.1002/app.52008
Jiming Wu ₁ , Zhenwen Hu ₁ , Wenguang Lu ₁ , Lei Yu ₁ , Hanyu Wei ₁ , Xiansong Yang ₁ , Haijun Zhou ₁ , Dongpeng Wang ₁ , Weili Li ₁ , Hui Yan ₂

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In this paper, a type of superhydrophobic cotton textile was designed and prepared. Particularly, it was obtained by coating a type of acrylic-silicone hybrid resin onto the cotton fabric. With self-stratifying character, the cured coating can be formed into two layers, in which the acrylic component in the bottom layer enables polar bond or hydrogen bond linkage with cellulose molecules on the fiber surface, while the amino silicone oil resin on the surface layer acts as a functional part and adds new surface features to the cotton fabric. As a result, the coated cotton fabric displayed superhydrophobicity, with a water contact angle above 150° and a rolling angle less than 8°. The experimental findings indicated that the fabricated textile had adequate mechanical strength to withstand sandpaper abrasion for 20-cycles abrasion by pressing a constant load of 500 g. Additionally, the modified textiles exhibited stable oil–water separation abilities, therefore showing multifunctional properties that have potential applications in many cotton textile surface treatments.

中文翻译：

超疏水棉织物自分层涂层的制备

本文设计并制备了一种超疏水棉纺织品。特别是，它是通过在棉织物上涂覆一种丙烯酸-有机硅混合树脂而获得的。具有自分层特性，固化后的涂层可以形成两层，其中底层的丙烯酸组分与纤维表面的纤维素分子形成极性键或氢键键合，而表层的氨基硅油树脂作为功能部件，为棉织物增加了新的表面特征。结果，涂层棉织物表现出超疏水性，水接触角大于150°，滚动角小于8°。实验结果表明，制造的纺织品具有足够的机械强度，可以承受砂纸磨损 20 次循环，按 500 g 的恒定载荷进行磨损。此外，改性纺织品表现出稳定的油水分离能力，因此显示出在许多棉纺织品表面处理中具有潜在应用的多功能特性。

更新日期：2021-12-13

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