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  • 标题:Super liquid repellent coatings against the everyday life wear: Heating, freezing, scratching
  • 本地全文:下载
  • 作者:Maria D'Acunzi ; Azadeh Sharifi-Aghili ; Katharina Irene Hegner
  • 期刊名称:iScience
  • 印刷版ISSN:2589-0042
  • 出版年度:2021
  • 卷号:24
  • 期号:5
  • 页码:1-21
  • DOI:10.1016/j.isci.2021.102460
  • 语种:English
  • 出版社:Elsevier
  • 摘要:SummarySuper liquid repellent coatings are among the most promising candidates for self-cleaning surfaces for indoor and outdoor applications. However, the characteristic nano- and micro-scale protrusions can easily be damaged. Improving the durability of these coatings belongs to the most important challenges to increase the coating's application potential. Here, we show that commercial polyester fabrics coated with silicone nanofilaments maintain their self-cleaning properties throughout repeated freezing-unfreezing cycles, ironing, and mechanical stress. The coating improves the heat resistance of the fabric. The surface keeps its water repellency until the fabric is almost destroyed by scratching with sandpaper or a metal sponge. The excellent performance results from the synergetic effects of i) the interwoven structure of the fabric and ii) the intrinsic hydrophobic and flexible nature of the fabric and of the nanofilaments coating. The combination of these factors generates a product which overcomes the most claimed drawbacks of super liquid repellent coatings.Graphical abstractDisplay OmittedHighlights•Durability of a superamphiphobic fabric against common sources of wear is tested•The fabric preserves water repellence after freezing, ironing, scratching, and washing•The performance comes from the synergy between fabric and nanofilaments' propertiesSurface property; Materials property; Coatings; Fibrous material
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