期刊
RSC ADVANCES
卷 6, 期 59, 页码 53949-53954出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra09582h
关键词
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资金
- Foundation of Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, Jiangnan University [JDSJ2015-03]
- Fundamental Research Funds for the Central Universities [JUSRP116017]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
Superhydrophobic surfaces have attracted tremendous attraction because of their novel aspects of surface physics and important applications ranging from self-cleaning materials to microfluidic devices. However, most artificial superhydrophobic surfaces easily lose their superhydrophobicity under natural sunlight irradiation, physical rubbing or organic contamination. Here, fluoroalkyl silane (FAS)-loaded microcapsules, photocatalytic TiO2 nanoparticles and FAS modified SiO2 nanoparticles were mixed with waterborne polysiloxane resins to obtain waterborne self-healing superhydrophobic coatings. Superhydrophobic surfaces were formed by casting the coatings on the substrates after UV-irradiation and could sustain their superhydrophobicity even after 360 h accelerated weathering test. Meanwhile, the coating was durable enough to withstand water blasting and the attacks of strong acid or basic solutions without apparently changing its superhydrophobicity. More importantly, after being mechanically damaged or contaminated with organics, these coatings could restore their superhydrophobicity under UV light. All these characteristics ensure that the coatings have excellent long-term superhydrophobicity for outdoor service.
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