Nature-Inspired Fluorine-Free Robust Superhydrophobic Fabrics 


Vol. 25,  No. 4, pp. 1243-1251, Apr.  2024
10.1007/s12221-024-00497-5


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  Abstract

The practical implementation of superhydrophobic surfaces in oil–water separation, antifouling, and self-cleaning has been severely hampered by the incorporation of hazardous components and their limited durability. In this study, a straightforward immersion process was employed to incorporate different-sized ZnO particles onto a nonwoven substrate, resulting in the creation of a multi-layered nano-rough structure. Subsequently, polydimethylsiloxane was utilized for hydrophobic modification, aiming to decrease the free energy of the fabric surface and establish a durable covalent bond between the coating and the fabric through a cross-linking reaction during the curing process. Ultimately, the successful fabrication of superhydrophobic textiles with exceptional robustness was achieved. The prepared fabrics exhibited a static water contact angle of 163.9°. Besides, a considerable mechanical stability to withstand 80 sandpaper abrasion cycles, and chemical resistance with sustained superhydrophobic property in various harsh environments (e.g., strong acid/base solutions, and various organic solvents), were presented. Furthermore, the fabricated fabric demonstrated a separation efficiency exceeding 90% and a contact angle greater than 150° even after 50 cycles when utilized as a filter for oil–water separation. This remarkable performance can be attributed to its exceptional stain resistance and self-cleaning property.

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  Cite this article

[IEEE Style]

J. Wen, P. Li, F. Zhu, "Nature-Inspired Fluorine-Free Robust Superhydrophobic Fabrics," Fibers and Polymers, vol. 25, no. 4, pp. 1243-1251, 2024. DOI: 10.1007/s12221-024-00497-5.

[ACM Style]

Jiating Wen, Peilan Li, and Fanglong Zhu. 2024. Nature-Inspired Fluorine-Free Robust Superhydrophobic Fabrics. Fibers and Polymers, 25, 4, (2024), 1243-1251. DOI: 10.1007/s12221-024-00497-5.

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