Photothermal Superhydrophobic Zinc Oxide Cotton Fabric Based on an Impregnation Method

IF 3.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-04-08 DOI:10.1021/acs.langmuir.5c0031610.1021/acs.langmuir.5c00316

Guangli Chen, Yuxuan Zhang, Kangwei Zhang, Wenjun Lv, Zaosheng Lv, Xiaofang Gao* and Yanfen Huang*,

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引用次数: 0

Abstract

Superhydrophobic materials have applications such as oil–water separation, antifouling, and antibacterial properties. At present, most of the manufacturing process of superhydrophobic coatings not only is costly but also causes pollution to the environment, which is not in line with the concept of green and sustainable development. In this work, we have prepared a superhydrophobic coating using green and environmentally friendly chitosan, nanozinc oxide, γ-aminopropyl triethoxysilane (KH550), and stearic acid. The prepared cotton fabric showed remarkable superhydrophobic properties. Under simulated sunlight, the surface temperature of the superhydrophobic cotton fabric can increase to 50 °C. The superhydrophobic surface sustained its superhydrophobic property after at least 80 tape peeling tests, 50 occurrences of sandpaper friction, 3.5 h of washing, and 24 h of high-temperature heat treatment. Besides, the coating can be utilized for oil–water separation and is reusable. The oil–water separation effectiveness of the coating reaches more than 95%. Therefore, this inexpensive and ecofriendly nanozinc oxide/chitosan-based superhydrophobic coating has remarkable application potential.

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基于浸渍法的光热超疏水氧化锌棉织物

超疏水材料具有油水分离、防污、抗菌等特性。目前，大多数超疏水涂料的制造过程不仅成本高昂，而且对环境造成污染，不符合绿色可持续发展的理念。本研究以绿色环保的壳聚糖、纳米氧化锌、γ-氨基丙基三乙氧基硅烷（KH550）和硬脂酸为原料制备了超疏水涂层。制备的棉织物具有显著的超疏水性。在模拟阳光照射下，超疏水棉织物的表面温度可提高到50℃。经过至少80次胶带剥离试验、50次砂纸摩擦、3.5小时洗涤和24小时高温热处理，超疏水表面保持了超疏水性能。此外，该涂层可用于油水分离，可重复使用。涂层的油水分离效率达95%以上。因此，这种廉价、环保的纳米氧化锌/壳聚糖基超疏水涂层具有显著的应用潜力。

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).