IMR OpenIR
Waterborne Epoxy Nanocoatings Modified by Nanoemulsions and Nanoparticles
Z. Y. Wang; E. H. Han; F. C. Liu; Z. H. Qian; L. W. Zhu
2014
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume30Issue:10Pages:1036-1042
AbstractElectrically conductive coatings are required for static charge dissipation in power ground network. In the present investigation electrically conductive nanocoatings were prepared by the incorporation of graphite, nano-SiO2 concentrate, acrylic nanoemulsion and fluorocarbon emulsion onto the waterborne epoxy polymer. The nanosize distribution of nano-SiO2 concentrate and nanoemulsion was characterized with laser diffraction analyzer and scanning electron microscopy (SEM). From the results of SEM image, the graphite particles were well distributed in conductive coating. The corrosion resistance and thermal stability of nanocoatings were comparatively studied by SEM and thermogravimetry (TG). The corrosion-inhibiting properties of the conductive nanocoatings were investigated by salt immersion test. The measurements of contact angle, bonding strength and heat-freeze charge demonstrated that 1.5-2.0 wt% nanoparticles improve the resistance to pollution, adherence and resistance to heat-freeze charge of conductive nanocoatings. The measured results of surface electric resistance of nanocoatings demonstrated that a small amount of nano-SiO2 particles could enhance the conductivity in the corrosive environment.
description.department[wang, zhenyu ; han, enhou ; liu, fuchun] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [qian, zhouhai ; zhu, liwei] elect power res inst zhejiang elect power corp, hangzhou 310014, zhejiang, peoples r china. ; wang, zy (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; zzyywang@imr.ac.cn
KeywordWaterborne Conductive Nanocoatings Corrosion Resistance Conductive Properties Graphite Filler Ground Network Exfoliated Graphite Nanoplatelets Electrical-conductivity Percolation-threshold Composite Coatings Nanocomposites Polymer Fire Improvement Protection Resistance
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73437
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. Y. Wang,E. H. Han,F. C. Liu,et al. Waterborne Epoxy Nanocoatings Modified by Nanoemulsions and Nanoparticles[J]. Journal of Materials Science & Technology,2014,30(10):1036-1042.
APA Z. Y. Wang,E. H. Han,F. C. Liu,Z. H. Qian,&L. W. Zhu.(2014).Waterborne Epoxy Nanocoatings Modified by Nanoemulsions and Nanoparticles.Journal of Materials Science & Technology,30(10),1036-1042.
MLA Z. Y. Wang,et al."Waterborne Epoxy Nanocoatings Modified by Nanoemulsions and Nanoparticles".Journal of Materials Science & Technology 30.10(2014):1036-1042.
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