一步电沉积法制备超疏水Cu网及其耐腐蚀和油水分离性能-金属学报.PDF

ACTA METALLURGICA SINICA 一步电沉积法制备超疏水Cu网及其耐腐蚀和油水分离性能 赵婷婷 康志新 马夏雨 (华南理工大学机械与汽车工程学院 国家金属材料近净成形工程技术研究中心 广东省金属新材料制备与成形重点实验室 广州 510640) 摘 要 用一步电沉积法在Cu 网表面制得超疏水膜层，并用FE-SEM、接触角测量仪、EDS、FTIR 和XPS 表征膜层的形貌、浸润性和化学成分， 研究工艺参数对膜层微观结构和浸润性的影响。结果表明，在30 V 电压下反应10 min，得到的Cu 网表面均匀覆盖着由纳米片聚集成的微米胞，成 分为Cu[CH (CH ) COO] ，接触角达到最大值156.2°，滚动角低至1°。用动电位极化曲线和油水分离装置分析试样的耐腐蚀和油水分离性能，结果 3 2 12 2 表明，超疏水膜层将基体的腐蚀电流密度从1.50×10-5 2 -9 2 A/cm 减小到4.77×10 A/cm ，降低约3 个数量级，腐蚀电压从-0.177 V 提高到-0.141 V。油水 分离实验表明，超疏水Cu 网经5 次循环利用后油水分离效率仍在95% 以上，显示出良好的油水分离能力和循环使用性能。 关键词 一步电沉积法，黄铜网，超疏水，耐腐蚀，油水分离 中图分类号 TG178 文章编号 0412-1961(2017)00-0000-00 Fabricating Superhydrophobic Copper Meshes by One-Step Electrodeposition Method and Its Anti-Corrosion and Oil-Water Separation Abilities ZHAO Tingting, KANG Zhixin, MA Xiayu Guangdong Key Laboratory for Advanced Metallic Materials Processing, National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China Correspondent: KANG Zhixin, professor, Tel: (020 E-mail: zxkang@scut.edu.cn Supported by Natural Science Foundation of Guangdong Province (No.2015A030313219) and Science and Technology Research Program of Guangzhou (No.201510010155) Manuscript received 2017-05-24, in revised from 2017-06-28 ABSTRACT Special wettability includes superhydrophobic, superhydrophilic, superoleophobic and superoleophilic etc. The superhydrophobic surface are governed by the surface chemistry and unique micro/nanostructures. Up to now, numerous methods have been r