| Issue |
MATEC Web Conf.
Volume 130, 2017
The International Conference on Composite Material, Polymer Science and Engineering (CMPSE2017)
|
|
|---|---|---|
| Article Number | 08005 | |
| Number of page(s) | 5 | |
| Section | Thin film and coating technology | |
| DOI | https://doi.org/10.1051/matecconf/201713008005 | |
| Published online | 25 October 2017 | |
Effect of SiO2 nanoparticles on the hydrophobic properties of waterborne fluorine-containing epoxy coatings
School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, 430070 Wuhan, Hubei, China
a Corresponding author: Xiaofang Liu@sdjclxf@sina.com
A nano-composite coating was developed by adding nano-SiO2 to a home-made Waterborne fluorine-containing epoxy resin. The surface hydrophlicity of the coating was investigated by the contact angle with water. As the particle sizes of SiO2 changed from 7-18nm, the water contact angle of the films changed from 62.8° to 85.6°. The surface energy of the coating was calculated out through measuring the contact angles of the coating with water and 1-bromonaphthalene. The presence of SiO2 significantly enhanced the corrosion resistance of the composite coatings, which showed two times than that of the neat waterborne fluorine-containing epoxy coatings. And the thermos dynamic stability of the composite coatings has been significantly improved. When the silica content is 2.0%, the coating has the largest contact angle. Other performance of the coating was investigated in terms of their thickness, flexibility, pencil hardness, impact resistance.
© The authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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