Volume 4 Issue 2
Jan.  2024
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Chongjun WU, Xinyi WEI, Yutian CHEN, Shufei JIANG, Steven Y. LIANG. Hydrophobic microarray surface design and wettability transformation mechanism of μ-SLA 3D manufactured conic structure[J]. Journal of Advanced Manufacturing Science and Technology , 2024, 4(2): 2024004. doi: 10.51393/j.jamst.2024004
Citation: Chongjun WU, Xinyi WEI, Yutian CHEN, Shufei JIANG, Steven Y. LIANG. Hydrophobic microarray surface design and wettability transformation mechanism of μ-SLA 3D manufactured conic structure[J]. Journal of Advanced Manufacturing Science and Technology , 2024, 4(2): 2024004. doi: 10.51393/j.jamst.2024004

Hydrophobic microarray surface design and wettability transformation mechanism of μ-SLA 3D manufactured conic structure

doi: 10.51393/j.jamst.2024004
Funds:

This work is supported in by the Shanghai Natural Science Foundation (22ZR1402400), the Fundamental Research Funds for the Central Universities (2232023D-15) and the China Postdoctoral Science Foundation (2022M721910).

  • Received Date: 2023-11-08
  • Accepted Date: 2023-12-13
  • Rev Recd Date: 2023-12-05
  • Available Online: 2023-12-21
  • Publish Date: 2024-01-02
  • Most modern hydrophobic bionic surface preparations are generally plagued by chronic issues that limit their uses, which are always characterized by a difficult preparation procedure of high prices and environmentally unfriendly. This work reports the μ-SLA additive manufacturing microarray structure capable of achieving superhydrophobic wettability with the maximum contact angle of 157º for droplets. By means of the combination of wettability theory and experiment, conical microarray structures with different spacing are designed to analyze the wettability. The preparation method adopts the micro-nano additive manufacturing process that can be formed in a single step. This structure imitates the rough structure of biological surfaces through regular array structure, which can lead to a significant improvement in the superhydrophobic properties of solid surfaces.

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