期刊
CERAMICS INTERNATIONAL
卷 40, 期 7, 页码 10907-10914出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2014.03.087
关键词
Super-hydrophobic; Coatings; Micro-nano hierarchical structure; Mechanical durability; Radome
资金
- State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, China [11zxfk25]
- 863 National Projects [2009AA035002]
In order to provide an effective damp-proof protection of inorganic radome materials, we have developed a new method to fabricate superhydrophobic coatings, which uses Polyvinylidene fluoride (PVDF) and SiO2 micron particles to seal porous surfaces of inorganic radome materials and hydrophobized silica colloid to form superhydrophobic surface. The coatings were characterized by moisture absorption rate analysis, dielectric constant and loss tangent measurements, static contact angle and sliding angle measurements, SEM, AFM, TG, FTIR and wear tests. All of the characterizations revealed the coatings had a micro nano hierarchical structure with a static contact angle of 157.5 degrees and sliding angle of 9 degrees, and possessed high thermal stability and excellent mechanical durability. These coatings have potential uses in engineering applications of inorganic porous materials requiring damp-proof protection and high durability. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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