镀银铜网:具有优异防污性能的高效油水分离器

IF 2.3 4区 材料科学 Q2 CHEMISTRY, APPLIED
Tianlong Yu, Gendi Song, Wenjie Tian, Tingting Liu, Mengying Yan, Bei Wu, Shixiang Lu
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引用次数: 0

摘要

超润湿材料在化学和材料科学领域发挥着至关重要的作用,受到越来越多的关注。在各种应用中,超润湿材料在溢油修复方面展现出了崭新的潜力。在此,我们报告了通过简便的化学沉积和退火处理方法制备银涂层铜网的情况,这种方法既不需要复杂的装置,也不需要使用有毒的有机分子进行改性。制备出的样品具有显著的憎水性(水接触角约为 158°,滑动角约为 1°)和亲油性(油接触角约为 0°),因此对各种油水混合物(正己烷、甲苯、苯、氯仿、四氯甲烷、煤油、汽油、柴油)具有卓越的分离能力,或可有效清除漂浮或水下溢油。此外,所制成的银涂层超疏水性/超亲油性铜网(Ag 涂层 SS Cu)在水流冲击或磨损试验中表现出极高的耐久性,能够连续分离甲苯-水混合物 20 多次,分离效率超过 97%。此外,该样品还能通过自清洁过程防止表面结垢,并对大肠杆菌、金黄色葡萄球菌和枯草杆菌具有抗菌能力,培养皿中相应的抑菌圈(分别为 11.38 ± 0.76 mm、12.65 ± 0.68 mm 和 12.87 ± 0.72 mm)就是证明。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Silver-coated copper mesh: an effective oil–water separator with excellent fouling rejection property

Silver-coated copper mesh: an effective oil–water separator with excellent fouling rejection property

Silver-coated copper mesh: an effective oil–water separator with excellent fouling rejection property

Superwetting materials play a crucial part in the fields of chemistry and materials science and draw increasing attention. Among the various applications, superwetting materials demonstrated up-and-coming potential in oil spill remediation. Herein, we report on the preparation of silver-coated copper mesh via a facile chemical deposition and annealing treatment approach that requires neither complex devices nor modification with toxic organic molecules. The resulting sample exhibited remarkable water repulsion (water contact angle of ~ 158° and sliding angle of ~ 1°) and oil affinity (oil contact angle of ~ 0°), contributing to superior separation ability toward various oil–water mixtures (hexane, toluene, benzene, chloroform, tetrachloromethane, kerosene, gasoline, diesel) or effectively cleaning up the floating or underwater oil spill. Moreover, the resulting silver-coated superhydrophobic/superoleophilic copper (Ag-coated SS Cu) mesh demonstrated great durability upon the water flow impact or the abrasion test and was able to continuously separate the toluene–water mixtures over 20 times with an efficiency over 97%. In addition, the sample readily prevented surface fouling via self-cleaning process and exhibited antibacterial ability toward Escherichia coli, Staphylococcus aureus, and Bacillus subtilis as witnessed by the corresponding bacteriostatic circle (11.38 ± 0.76 mm, 12.65 ± 0.68 mm, and 12.87 ± 0.72 mm, respectively) in the Petri dish.

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来源期刊
Journal of Coatings Technology and Research
Journal of Coatings Technology and Research 工程技术-材料科学:膜
CiteScore
4.30
自引率
8.70%
发文量
130
审稿时长
2.5 months
期刊介绍: Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.
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