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首页> 外文期刊>Journal of coatings technology and research >A rapid two-step electroless deposition process to fabricate superhydrophobic coatings on steel substrates
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A rapid two-step electroless deposition process to fabricate superhydrophobic coatings on steel substrates

机译：快速的两步化学沉积工艺，可在钢基底上制造超疏水涂层

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摘要

The present study reports a simple, highly effective, and safe two-step electroless deposition process for rapidly fabricating superhydrophobic Ag coatings on steel substrates. The steel plates were first immersed in the 1 mol/L aqueous CuSO_4 solution for 20 s, and then immersed in the 0.03 mol/L aqueous AgNO_3 solution containing 1 wt% fluoroalkylsilane (FAS) for 2 min. The sample surfaces were characterized by energy-dispersive x-ray spectroscopy, Fourier transform infrared spectrophotometry (FTIR), x-ray diffraction, scanning electron microscopy, step profiler, and optical contact angle measurements. The results show that, after the two-step electroless deposition process, the Ag coatings composed of the binary micro/ nanometer-scale rough structures containing the FAS molecules with a low surface energy are formed on the steel surfaces. The as-prepared Ag coatings exhibit a good superhydrophobicity with a 163.4 ± 1.8° water contact angle and 1.5 ± 0.5° rolling angle.
机译：本研究报告了一种简单，高效且安全的两步化学沉积工艺，可在钢基材上快速制造超疏水性银涂层。首先将钢板浸入1 mol / L的CuSO_4水溶液中20 s，然后浸入包含1 wt％氟烷基硅烷（FAS）的0.03 mol / L的AgNO_3水溶液中2分钟。样品表面通过能量色散X射线光谱，傅立叶变换红外光谱（FTIR），X射线衍射，扫描电子显微镜，阶梯轮廓仪和光学接触角测量来表征。结果表明，经过两步化学沉积过程，在钢表面形成了由二元微米/纳米级粗糙结构组成的Ag涂层，该粗糙结构包含具有低表面能的FAS分子。所制备的Ag涂层具有良好的超疏水性，水接触角为163.4±1.8°，滚动角为1.5±0.5°。

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  • 来源
    《Journal of coatings technology and research》 |2012年第5期|p.643-650|共8页
  • 作者

    Jinlong Song; Xin Liu; Yao Lu; Libo Wu; Wenji Xu;

  • 作者单位

    School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China;

    School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China;

    School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China;

    School of Mechanical Engineering, Dalian Ocean University, Dalian 116023, People's Republic of China;

    School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    superhydrophobic surface; steel; silver; coatings;

    机译：超疏水表面钢;银;涂料;

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