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By the combined chemical deposition of the nickel-phosphorus mixed sandblasting method, the aluminum (Al) surface preparation of nanoscale cauliflower is combined with micron grade crater structure coupling structure of the superhydrophobic surface, with the XRD, SEM, and Optical Contact Angle Meter to characterize the rough aluminum mesh surface. After sandblasting, the surface of the sample showed a micron crater structure, and the water contact angle (WCA) was 21.2°. After sandblasting combined with the chemical deposition of Ni-P, the sample's rough surface showed micron-scale craters and nano-cauliflower-like structures. The WCA was 0°, and the WCA was 153.9° after the modification of the n-octathiol (C18H38S) methanol solution. This superhydrophobic surface is caused by the combination of micro-nano rough structure formed by the chemical deposition of nickel and phosphorus after sandblasting and low surface energy chemical modification. The super hydrophobic aluminum mesh has good self-cleaning properties and corrosion resistance, and can be used in oil/water separation.

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Preparation of Superhydrophobic Surface on Aluminum Mesh and its Performance

  • 会议论文

  • 发表日期：

    2025年

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  • Ying Zhai,
  • Xinming Zhang,
  • Shuwei Lv

摘要

By the combined chemical deposition of the nickel-phosphorus mixed sandblasting method, the aluminum (Al) surface preparation of nanoscale cauliflower is combined with micron grade crater structure coupling structure of the superhydrophobic surface, with the XRD, SEM, and Optical Contact Angle Meter to characterize the rough aluminum mesh surface. After sandblasting, the surface of the sample showed a micron crater structure, and the water contact angle (WCA) was 21.2°. After sandblasting combined with the chemical deposition of Ni-P, the sample's rough surface showed micron-scale craters and nano-cauliflower-like structures. The WCA was 0°, and the WCA was 153.9° after the modification of the n-octathiol (C18H38S) methanol solution. This superhydrophobic surface is caused by the combination of micro-nano rough structure formed by the chemical deposition of nickel and phosphorus after sandblasting and low surface energy chemical modification. The super hydrophobic aluminum mesh has good self-cleaning properties and corrosion resistance, and can be used in oil/water separation.