Abstract
It is well known that super-hydrophobic materials have a wide application prospect. However, many methods for preparing super-amphiphobic coatings are too complicated or have poor stability, which limits the practical application of super-amphiphobic materials. In this paper, a stable and durable super-amphiphobic coating is prepared on the fabric surface via a simple sol-gel method. The water and vegetable oil contact angles of this coating are 160.5 ± 0.8° and 154.8 ± 2.6°, respectively. Specifically, the super-amphiphobic coating is prepared by grafting nano-silica on the surface of the fabric by a simple sol-gel method, and then grafted 1H, 1H,2H,2H-perfluorodecyltrimethoxysilane (FAS-17) as a hydrophobic modifier. After various chemical and mechanical stability tests, including concentrated ammonia solution soaking, saturated sodium hydroxide solution soaking, concentrated salt solution soaking, and THF soaking with stirring, the coating still maintains hydrophobicity. And the coating has excellent air permeability, which is expected to have great potential in the field of special protection.
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We are very grateful for the support of the National Foundation of China.
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This project is supported by the National Natural Science Foundation of China (NSFC, No. 52370186).
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Shen, K.K., Jin, G.F., Lv, X.M. et al. Preparation of a Stable Super-Amphiphobic Coating via a Simple Sol–Gel Method. Colloid J (2024). https://doi.org/10.1134/S1061933X24600301
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DOI: https://doi.org/10.1134/S1061933X24600301