Abstract
Poor mechanical stability, expensive cost, and complex preparation process still limit the practical application of artificial superhydrophobic surfaces. Improving the chemical durability and mechanical stability of superhydrophobic surfaces is an important research direction to promote its commercial application. Herein, we developed a cost-effective and simple method to produce a durable superhydrophobic surface based on a multi-adhesive strategy. Fluorocarbon resin and hydrophobic silica nanoparticles bring excellent hydrophobicity and low adhesion to the coating. And the introduction of bottom resin and phenolic amine adhesive can not only increase the adhesion between superhydrophobic coating and substrates but also increase the mechanical stability of the coating. Even after severe mechanical damage such as abrasion, rubbing, and scraping, the prepared surface can still maintain excellent superhydrophobicity. At the same time, stable resin and inorganic filler bring more than 99 % anticorrosion efficiency, excellent thermal stability, and chemical stability to the superhydrophobic surface. The outstanding performance of the superhydrophobic surfaces in the field of self-cleaning, anti-icing, and frost protection may attract attention for practical application in the industry. The convenience of surface preparation on various substrates by spraying and brushing methods, and the low cost of manufacturing can also greatly expand the application prospect of the developed superhydrophobic surface.
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