Effect of siloxane-modified polyacrylate on water uptake and anticorrosion mechanism of silicone–epoxy coatings
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- 作者：X. Yuan ; Z. F. Yue ; Z. Q. Liu ; S. F. Wen…
- 关键词：Siloxane ; modified polyacrylate ; Hydrophobicity ; EIS ; Corrosion
- 刊名：Journal of Coatings Technology and Research
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：13
- 期：1
- 页码：123-132
- 全文大小：824 KB
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Z. F. Yue (1)
Z. Q. Liu (1)
S. F. Wen (1)
L. Li (1)
T. Feng (1)
1. Advanced Material Test Center, School of Mechanics and Civil & Architecture, Northwestern Polytechnical University, Xi’an, 710129, China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Tribology, Corrosion and Coatings
Surfaces and Interfaces and Thin Films
Polymer Sciences
Materials Science - 出版者：Springer US
- ISSN：1935-3804
文摘
Silicone–epoxy coatings containing siloxane-modified polyacrylate (SMP) were prepared. The effects of SMP on the hydrophobicity and water uptake behavior and on the corrosion resistance provided by the coatings were examined using contact angle measurements, glass-transition temperatures, and electrochemical impedance spectroscopy. The water uptake behavior of silicone–epoxy coatings with higher SMP content decreased to a greater extent for coatings with higher hydrophobicity. The anticorrosion protection of 2024 Al-alloy by silicone–epoxy coatings containing SMP correlated well with their water uptake and hydrophobicity. Keywords Siloxane-modified polyacrylate Hydrophobicity EIS Corrosion