| WU De-quan,ZHANG Da-wei,LIU Bei,LI Xiao-gang.Research Progress for Desigh and Fabrication of LIS/SLIPS[J],48(1):90-101 |
| Research Progress for Desigh and Fabrication of LIS/SLIPS |
| Received:July 10, 2018 Revised:January 20, 2019 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2019.01.013 |
| KeyWord:lubricant infused porous surface liquid impregnated surface superhydrophobic preparation process cloak effect failure |
| Author | Institution |
| WU De-quan |
Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing , China |
| ZHANG Da-wei |
Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing , China |
| LIU Bei |
Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing , China |
| LI Xiao-gang |
Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing , China |
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| Abstract: |
| Inspired by structure of Nepenthes plants, a new designed solid-liquid surface called lubricant infused surface (LIS) or slippery liquid infused porous surface (SLIPS) has been invented by infusing lubricant with low surface energy into porous micro/nanosubstrate. The lubricant infused surface (LIS) or slippery liquid infused porous surface (SLIPS) is becoming a new research hotspot in surface interface field due to excellent properties like superhydrophobic, inadhesion, self-healing, etc. The achievement, controversy and blind spots in designing and fabricating LIS/SLIPS as well as its degradation process were reviewed and the failure possibly caused by LIS/SLIPS was also discussed. By comparing the differences between LIS/SLIPS and superhydrophobic in microstructure, the correlation and distinguish of properties in sliding, durability, self-healing, and transparency as well as the interaction relation among four phases on LIS/SLIPS coating surface were analyzed. Then, a basic physical model was summarized to guide the design of LIS/SLIPS. The essential points in preparation process and material choice of LIS/SLIPS were analyzed from four parts, substrate preparation, modification, selection of lubricant, and lubricant impregnation. The problems in the fabrication process of LIS/SLIPS were also discussed. The roughness of porous substrate on LIS/SLIPS was important to the formation of stable interface and had the special value range. It was unwise to select lubricant with lower surface energy for hydrophobic performance, because lower surface energy could lead to the cloaking phenonmen and final deteraration. Beside, the complete impregnation of lubricant in porous substrate was usually ignored by researchers. Unreasonable design and serve inviroment could also lead to failure of LIS/SLIPS. LIS/SLIPS is expected to develop to simple process, stable property, multifunction, and smarting in the future. |
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