Journal
POLYMERS FOR ADVANCED TECHNOLOGIES
Volume 27, Issue 6, Pages 740-747Publisher
WILEY-BLACKWELL
DOI: 10.1002/pat.3707
Keywords
Fe3O4@SiO2; composite coatings; anticorrosion; mechanism
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Funding
- Sichuan Province Basic Research Plan Project [2013JY0099]
- State Key Lab of Oil and Gas Reservoir Geology and Exploitation [PLN0806]
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SiO2-coatedFe(3)O(4) (Fe3O4@SiO2) nanocomposites were prepared by sol-gel method, and the anticorrosion performance of composite coatings was discussed. The structure of the Fe3O4@SiO2 nanocomposites was verified through Fourier transform infrared, X-ray diffraction, and scanning electron microscopy. Composite epoxy coatings with same concentrations of Fe3O4 and Fe3O4@SiO2 were measured by scanning electron microscopy contact angle meter. More importantly, the Fe3O4@SiO2 nanocomposites not only obtained a homogeneous dispersion and compatibility in epoxy resin but also exhibited an obvious superiority in enhancing the anticorrosion performance of epoxy coatings. Furthermore, the anticorrosion mechanism of Fe3O4@SiO2/epoxy composite coating was tentatively discussed. Copyright (C) 2015 John Wiley & Sons, Ltd.
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