Ageing resistance and corrosion resistance of silicone-epoxy and polyurethane topcoats used in sea splash zone

IMR OpenIR

	Ageing resistance and corrosion resistance of silicone-epoxy and polyurethane topcoats used in sea splash zone
	Z. Y. Wang; F. C. Liu; E. H. Han; W. Ke
	2013
发表期刊	Materials and Corrosion-Werkstoffe Und Korrosion
ISSN	0947-5117
卷号	64 期号:5 页码:446-453
摘要	The silicone-epoxy and polyurethane topcoats applied in a simulated sea splash environment were studied according to ISO20340 standard, and their properties were analyzed by differential scanning calorimetry (DSC), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and electrochemical impedance spectrum (EIS). Glass transition temperature (Tg) of silicone-epoxy polymer is 7.7 degrees C higher than that of polyurethane polymer. Measurement of gloss and color difference demonstrates that anti-ageing property of silicone-epoxy topcoat is better than that of polyurethane topcoat. It is known from SEM and XPS analysis that silicone-epoxy topcoat can retain the good morphological structure and ageing resistance after accelerated cycle ageing test. The results from EIS analysis indicate that the silicone-epoxy topcoat has good anti-corrosion properties. Measurement of contact angles indicates that surface tension of silicone-epoxy topcoat is smaller than that of polyurethane topcoat before and after corrosion test.
部门归属	[wang, z. y. ; liu, f. c. ; han, e. h. ; ke, w.] chinese acad sci, inst met res, key lab corros & protect, shenyang 110016, peoples r china. ; wang, zy (reprint author), chinese acad sci, inst met res, key lab corros & protect, shenyang 110016, peoples r china. ; zzyywang@imr.ac.cn
关键词	Silicone-epoxy Polyurethane Topcoat Sea Splash Zone Corrosion Resistance Coatings Resins
URL	查看原文
语种	英语
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/71571
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. Y. Wang,F. C. Liu,E. H. Han,et al. Ageing resistance and corrosion resistance of silicone-epoxy and polyurethane topcoats used in sea splash zone[J]. Materials and Corrosion-Werkstoffe Und Korrosion,2013,64(5):446-453.
APA	Z. Y. Wang,F. C. Liu,E. H. Han,&W. Ke.(2013).Ageing resistance and corrosion resistance of silicone-epoxy and polyurethane topcoats used in sea splash zone.Materials and Corrosion-Werkstoffe Und Korrosion,64(5),446-453.
MLA	Z. Y. Wang,et al."Ageing resistance and corrosion resistance of silicone-epoxy and polyurethane topcoats used in sea splash zone".Materials and Corrosion-Werkstoffe Und Korrosion 64.5(2013):446-453.