Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 58, Issue 19, Pages 8148-8153Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.9b01176
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Funding
- National Nature Science Foundation of China [11704321]
- Nature Science Foundation of Shandong Province [ZR2016JL020, ZR2017BB081]
- Doctoral Starting up Foundation of Yantai University [HJ17B06]
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Traditionally. slippery lubricant infused surfaces, inspired by Nepenthes, suffer from low durability, owing to the migrating, evaporating, and leaking of the infused lubricants. Herein, to address this challenge, a lubricant-impregnated coating with long-term stable slipperiness and self-replenishment properties is presented. By simple immersion in silicone oil, substrates coving with PDMS coating gain a slippery, long lasting lubricated surface. The slippery coating repels water and corrosive liquids, resists ice and ketchup adhesion, and exhibits enhanced optical transparency. The resulting coating maintains its water repellency and slipperiness after mechanical bending, water jetting, tissue wiping, and knife scratching. The obtained slippery coating also repels hot liquids such as boiling water, and it also can be tolerant to thermal treatment at 125 degrees C for 1 d. More importantly, the slippery coating can self-lubricate upon lubricated liquid overlayer depletion through simple diffusion of the lubricant from the oil absorbed in the cross-linked PDMS network.
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