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Fig.1???Schematic diagram of mesoporous silica shell / oil core microsphere synthesis[31]
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Fig.2???Synthesis process to the PDMS-in-water emulsion (a) and the PDMS dispersion state (b). Optical photograph of the PDMS-in-water emulsion (c)[34]
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Research progress on preparation, regulation and application of waterborne superhydrophobic coatings
WANG Huaiyuan?LIN DanZHANG XiguangYUAN Sicheng
£¨State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350 China£©
Abstract:?Based on the requirements of sustainable development and environmental protection, novel waterborne superhydrophobic coatings that use water instead of organic volatile solvents have gradually attracted substantial attention from scientists. However, related problems such as the dispersibility of water-based coatings, the hydrophobic stability of the coating, and the coating performance have also followed. In this work, the progress on the preparation method of waterborne superhydrophobic coatings is introduced.The feasible solutions related to the poor mechanical durability of waterborne superhydrophobic coatings are proposed, such as preparing an integrated composite structure with internal and external consistency, enhancing the interfacial interaction in the coating or designing a self-healing waterborne superhydrophobic coating. In addition, the research progress of waterborne superhydrophobic coatings in the fields of oil-water separation, anti-icing, self-cleaning and so forth in recent years have been described. The large-scale preparation of waterborne superhydrophobic coating, the enhancement of coating mechanical properties and the study of durability will become the main exploration direction in the future. The industrial applications of waterborne superhydrophobic coatings would be broken through by deepening their basic research.
Keywords:?waterborne superhydrophobic£»coating preparation£»surface£»interface£»regulation£»mechanical properties
ÒýÈëÎÄÖУº?Íô»³Ô¶, ÁÖµ¤, ÕÅêعâ, Ԭ˼³É. Ë®ÈÜÐÔ³¬ÊèË®¶Æ²ãµÄÖÆÈ¡¡¢¹Ü¿ØÓëʹÓõÄÑо¿³É¹û[J]. »¯¹¤Ñ§±¨, 2021, 72(2): 669-680?(WANG Huaiyuan, LIN Dan, ZHANG Xiguang, YUAN Sicheng. Research progress on preparation, regulation and application of waterborne superhydrophobic coatings[J]. CIESC Journal, 2021, 72(2): 669-680)
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