期刊
MACROMOLECULAR MATERIALS AND ENGINEERING
卷 304, 期 12, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.201900374
关键词
alpha-alumina; alternating multilayer structures; anticorrosion; epoxy resins; graphene; multifunctional coatings
资金
- National Natural Science Foundation of China [51402132, 51603094]
- Jiangsu Government Scholarship for Overseas Studies [JS-2016-136]
- Jiangsu Provincial Natural Science Foundation of China [BK20160562]
Epoxy composite coatings filled with fillers have been used extensively as anticorrosion materials. In this study, an alternating multilayer structure is designed to obtain multifunctional epoxy resin composite coating based on stepwise coating method via adding graphene and alpha-alumina. Their mechanical properties, thermal conductivity, dielectric and anticorrosion properties are characterized. The toughness and the thermal conductivity clearly increase, while the dielectric properties decrease approximately to zero when the filler mass fraction increases from 0.00% to 0.15%. The whole corrosion process is controlled by electrochemical reaction, and the fillers effectively block the corrosive medium, thus improving the anticorrosion performance of the composite coating.
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