Abstract

AbstractA straightforward and scalable strategy was presented for the fabrication of superhydrophobic stainless steel mesh (SSM) by depositing with polydimethylsiloxane (PDMS) to perform the hydrophobic effect. After the thermal processing with a flame for seconds, the PDMS coated steel mesh demonstrated excellent integration of superhydrophobic/superoleophilic properties. Besides, the resultant SSM showed efficient separation ability of water‐in‐oil emulsion. Furthermore, the surfaces also exhibited excellent tolerance to various chemical, UV irradiated and strongly friction‐resistant against sandpaper (50 g of force for 1000 cm). More strikingly, the damaged surfaces losing its superhydrophobicity can be simply healed by reapplying flame heat to the worn area. This straightforward and healable synthetic strategy for the manufacture of superhydrophobic SSM offers potential applications in large‐scale oil/water separation.

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