期刊
MATERIALS & DESIGN
卷 135, 期 -, 页码 16-25出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2017.09.002
关键词
Superamphiphobic; Robust; Self-healable; Thiol-ene; Liquid-repellent glue
资金
- National High Technology Research and Development Program of China (863 Program) [2012AA02A404]
- National Natural Science Foundation of China [51433008]
- Science and Technology Foundation of Shenzhen [JCYJ20160331142330969]
The glue + particles approach has presented an excellent idea for promoting the practicability of superamiphiphobic surfaces. However, strong polar materials, such as epoxy and polyurethane, are usually employed as adhesives. The superamphiphobic behavior will be immediately lost when parts of superhydrophobic particles are removed. Thus, a glue with robust self-healing liquid-repellence is desirable, but remains challenging to realize. Herein, a robust, self-healable, superamphiphobic film was fabricated by a liquid-repellent glue + particles approach. The coating based on a sol-gel network showed exceptional liquid-repellency to low surface tension liquids including ethanol. The designed coating is based on robust sol-gel network dangling fluoroalkyl chains which integrates the bonding and self-healing mechanisms for providing a longer usage life. It could withstand at least 400 cycles of abrasion under severe stress (45 kPa), strong acid/base solution, hot-liquids and smudge treatment without apparently changing the superamphiphobicity. This novel and effective coating system may be useful for the development of robust protective clothing for various applications. (C) 2017 Elsevier Ltd. All rights reserved.
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