Due to the considerable demand for improving energy conservation and emission reduction, superhydrophobic coatings mainly derived from organic solvents have attracted significant interest, based on their potential role in enhancing heat transfer. Although water‐based coatings are relatively safe and economical, and contain low volatile organic compounds (VOCs), the realization of coatings with excellent anti‐condensation, anti‐frosting, anti‐icing, and passive self‐cleaning properties remains challenging, owing to the Wenzel state of small‐sized condensate microdrops. Herein, a water‐based transparent superamphiphobic coating is developed through a single‐step spraying method performed at ambient temperature using water and liquid rheological additives to disperse fluorinated SiO₂ nanochains. The coating exhibits resistance to damage induced by low‐ and high‐temperature processing, chemical solution attacks, outdoor exposure, and freeze–thaw cycles. Most importantly, the porous structure consisting of nanopores and sub‐micropores, results in the suppression of condensation, frosting, and icing as well as facile removal of condensate micro‐drops, sparse frost, and ice. Furthermore, fouling can be eliminated via condensation or a cycle of frosting and defrosting utilizing the moisture in the air. The findings of this study may represent a significant advance in long‐term, efficient, and low‐VOC superamphiphobic technologies for large‐scale applications.

中文翻译：

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水性坚固耐用的透明超疏水涂层，可抵抗冷凝，结霜，结冰和结垢

由于对改善节能和减少排放的大量需求，主要源自有机溶剂的超疏水性涂料因其在促进热传递方面的潜在作用而引起了人们的极大兴趣。尽管水基涂料相对安全，经济并且含有低挥发性有机化合物（VOC），但由于具有以下特点，要实现具有出色的抗冷凝，防霜，防冰和被动自清洁性能的涂料仍然具有挑战性小型冷凝水微滴的Wenzel状态。本文通过在环境温度下使用水和液体流变助剂分散氟化SiO ₂的单步喷涂方法开发了一种水性透明超疏水涂层纳米链。该涂层具有抵抗低温和高温加工，化学溶液侵蚀，室外暴露和冻融循环所引起的破坏的能力。最重要的是，由纳米孔和亚微孔组成的多孔结构可抑制凝结，结霜和结冰，并且可以轻松去除冷凝物微滴，稀疏的霜和冰。此外，可以通过冷凝或利用空气中的水分进行的结霜和除霜循环来消除结垢。这项研究的结果可能代表了长期，高效和低VOC的超疏水技术在大规模应用中的重大进步。