Analysis of wetting properties of microstructured polymer surfaces to achieve superhydrophobic properties

IF 0.8 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

Journal of the Korean Physical Society Pub Date : 2024-05-29 DOI:10.1007/s40042-024-01098-4

Ji Seong Choi, Min Bae, Seong Min Kang

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Abstract

Superhydrophobic surfaces have gained significant research attention for various applications, such as self-cleaning and microfluidics. To develop superhydrophobic surfaces, diverse materials and structures are used to reduce the surface energy. Specific coatings can control the intrinsic contact angle (CA) by reducing the surface energy of a material. In this study, we fabricated and evaluated polymeric superhydrophobic surfaces. The superhydrophobic surfaces exhibited microstructures consisting of two different polymers. To evaluate the wetting properties, we calculated the theoretical Cassie and Wenzel models of the surfaces and compared them to the experimental CA and roll-off angle (ROA). Furthermore, we measured the wetting properties of the surfaces by coating them with octafluorocyclobutane (C₄F₈) to confirm the effect of coating on the surfaces. This coated surface can control the wetting properties regardless of the material composition, demonstrating the stability of the superhydrophobic surface.

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分析微结构聚合物表面的润湿特性以实现超疏水特性

超疏水表面在自清洁和微流体等各种应用领域获得了大量研究关注。为了开发超疏水表面，人们使用了各种材料和结构来降低表面能。特定的涂层可以通过降低材料的表面能来控制固有接触角（CA）。在这项研究中，我们制作并评估了聚合物超疏水表面。超疏水表面呈现出由两种不同聚合物组成的微结构。为了评估润湿性能，我们计算了表面的卡西和温泽尔理论模型，并将其与实验中的CA和滚动角（ROA）进行了比较。此外，我们还通过在表面涂覆八氟环丁烷（C4F8）来测量表面的润湿性能，以确认涂覆对表面的影响。无论材料成分如何，这种涂层表面都能控制润湿性能，证明了超疏水表面的稳定性。

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来源期刊

Journal of the Korean Physical Society PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.20

自引率

16.70%

发文量

276

审稿时长

5.5 months

期刊介绍： The Journal of the Korean Physical Society (JKPS) covers all fields of physics spanning from statistical physics and condensed matter physics to particle physics. The manuscript to be published in JKPS is required to hold the originality, significance, and recent completeness. The journal is composed of Full paper, Letters, and Brief sections. In addition, featured articles with outstanding results are selected by the Editorial board and introduced in the online version. For emphasis on aspect of international journal, several world-distinguished researchers join the Editorial board. High quality of papers may be express-published when it is recommended or requested.