Preparation and properties of modified SiO2/epoxy resin superhydrophobic coating

被引:3
作者
Zhang, Fan [1 ]
Xu, Di [2 ]
Ma, Lingwei [2 ]
Wang, Jinke [2 ]
Chen, Hao [1 ]
Guo, Shiyi [1 ]
机构
[1] China Acad Machinery Wuhan Res Inst Mat Protect, Key State Labs, Wuhan 430030, Peoples R China
[2] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Natl Mat Corros & Protect Data Ctr, Beijing 100083, Peoples R China
来源
SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES | 2024年 / 12卷 / 03期
基金
国家重点研发计划; 中国国家自然科学基金;
关键词
silane coupling agent; modification; superhydrophobic coating; mechanical durability; SURFACE; NANOPARTICLES; FABRICATION; MECHANISMS; DESIGN;
D O I
10.1088/2051-672X/ad5579
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In this study, a superhydrophobic coating with excellent mechanical durability, chemical stability, anti-icing property and self-cleaning property was developed based on epoxy resin integrated with modified SiO2 nanoparticles (m-SiO2 NPs). The surface morphology and roughness of the coating were finely controlled by changing the content of m-SiO2 NPs, with optimal hydrophobicity and self-cleaning efficiency observed at the m-SiO2 NPs incorporation of 30 wt%. Benefitting from the three-dimensional stable micro-nano structure on the coating surface, the coating exhibited durable hydrophobicity upon multiple tape-peeling damages and good resistance to both acidic and alkaline corrosive environments. Furthermore, the SiO2-EP coating showed a prominent anti-icing property which could delay the water freezing time from 96 s to 650 s. This coating underscored its potential for applications in environments prone to ice formation.
引用
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页数:9
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