织物微纳粗糙结构光响应自除冰表面的制备。

IF 9.7 1区 化学 Q1 CHEMISTRY, PHYSICAL
Chaohui Deng , Jinrui Xue , Jianming Wang , Danping Ren , Guojin Liu , Shimin Zhai , Dongming Qi
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引用次数: 0

摘要

光热超疏水处理是一种有效的防冰除冰方法,可避免冬季积冰对设备造成损坏。然而,传统的光热材料价格昂贵,光热转换涂层在不需要时难以去除。本文制备了三种具有固体、空心和花状结构的生物炭微球(SBMs、HBMs、FBMs),分别用于在聚酯织物(PET)上构建光热超疏水涂层。在模拟太阳光源(1000 W/m2, -10℃)作用5 min后,花状生物炭微球(FBMs@PPF)构建的涂层光热转换效率可达95.42%,500 μL的冰可完全融化成水,在FBMs@PPF上的水接触角(WCA)和滚转角(RA)分别达到162.6°和1.5°。液滴可以很容易地倾斜(>1.5°)从涂层上滑落。花状生物炭微球制备的涂层具有较好的光响应自除冰能力。覆盖的织物涂层易于去除,可为防冻灾害提供有益的参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Fabrication of photo-responsive self-deicing surface with micro-nano rough structures on fabrics

Fabrication of photo-responsive self-deicing surface with micro-nano rough structures on fabrics
Photothermal superhydrophobic treatment is an effective anti-icing and de-icing method, avoiding damage to equipment caused by ice accumulation in winter. However, the traditional photothermal materials were expensive and the photothermal conversion coatings are hard to remove when unnecessary. Herein, three biochar microspheres with solid, hollow, and flower-like structures (SBMs, HBMs, FBMs) were fabricated to construct photothermal superhydrophobic coatings on the polyester fabric (PET), respectively. The photothermal conversion efficiency of the coating constructed with flower-like biochar microspheres (FBMs@PPF) reached 95.42 %, and the ice (500 μL) can be completely melted into water under a simulated solar light source (1000 W/m2, −10 ℃) for 5 min. The water contact angle (WCA) and rolling angle (RA) on FBMs@PPF reached 162.6° and 1.5° respectively. Droplets can slide off the coating easily with a tilt angle (>1.5°). The coating prepared by flower-like biochar microspheres exhibited greater photo-responsive self-deicing ability. The covered fabric coating can be removed easily, which may provide a useful reference for the prevention of frost disasters.
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来源期刊
CiteScore
16.10
自引率
7.10%
发文量
2568
审稿时长
2 months
期刊介绍: The Journal of Colloid and Interface Science publishes original research findings on the fundamental principles of colloid and interface science, as well as innovative applications in various fields. The criteria for publication include impact, quality, novelty, and originality. Emphasis: The journal emphasizes fundamental scientific innovation within the following categories: A.Colloidal Materials and Nanomaterials B.Soft Colloidal and Self-Assembly Systems C.Adsorption, Catalysis, and Electrochemistry D.Interfacial Processes, Capillarity, and Wetting E.Biomaterials and Nanomedicine F.Energy Conversion and Storage, and Environmental Technologies
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