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Durable superhydrophobic coatings for prevention of rain attenuation of 5G/weather radomes

Author

Listed:
  • Jinfei Wei

    (Chinese Academy of Sciences)

  • Jiaojiao Zhang

    (Chinese Academy of Sciences)

  • Xiaojun Cao

    (Shandong Xinna Superhydrophobic New Materials Co. Ltd.)

  • Jinhui Huo

    (Shandong Xinna Superhydrophobic New Materials Co. Ltd.)

  • Xiaopeng Huang

    (Chinese Academy of Sciences)

  • Junping Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

Superhydrophobic coatings are expected to solve the rain attenuation issue of 5G radomes. However, it is very challenging to design and construct such superhydrophobic coatings with good impalement resistance, mechanical robustness, and weather resistance, which remains as one of the main bottlenecks hindering their practical applications. Here, we report the design of superhydrophobic coatings with all these merits mentioned above by spray-coating a suspension of adhesive/fluorinated silica core/shell microspheres onto substrates. The core/shell microspheres are formed by phase separation of the adhesive and adhesion between the adhesive and fluorinated silica nanoparticles. The coatings have an approximately isotropic three-tier hierarchical micro-/micro-/nanostructure, a dense but rough surface at the nanoscale, and chemically inert composition with low surface energy. Consequently, the coatings show excellent impalement resistance, mechanical robustness and weather resistance compared with previous studies, and the mechanisms are revealed. Furthermore, we realize large-scale preparation, extension, and practical application of the coatings for efficiently preventing rain attenuation of 5G/weather radomes. By taking these advantages, we believe that the superhydrophobic coatings have great application potential and market prospect. The findings here will boost preparation and real-world applications of superhydrophobic coatings.

Suggested Citation

  • Jinfei Wei & Jiaojiao Zhang & Xiaojun Cao & Jinhui Huo & Xiaopeng Huang & Junping Zhang, 2023. "Durable superhydrophobic coatings for prevention of rain attenuation of 5G/weather radomes," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-38678-0
    DOI: 10.1038/s41467-023-38678-0
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    References listed on IDEAS

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    1. Dehui Wang & Qiangqiang Sun & Matti J. Hokkanen & Chenglin Zhang & Fan-Yen Lin & Qiang Liu & Shun-Peng Zhu & Tianfeng Zhou & Qing Chang & Bo He & Quan Zhou & Longquan Chen & Zuankai Wang & Robin H. A., 2020. "Design of robust superhydrophobic surfaces," Nature, Nature, vol. 582(7810), pages 55-59, June.
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    1. Mingyuan Mao & Jinfei Wei & Bucheng Li & Lingxiao Li & Xiaopeng Huang & Junping Zhang, 2024. "Scalable robust photothermal superhydrophobic coatings for efficient anti-icing and de-icing in simulated/real environments," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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