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题名: Corrosion Protection of Phenolic-Epoxy/Tetraglycidyl Metaxylediamine Composite Coatings in a Temperature-Controlled Borax Environment
作者: Xu, Wenhua;  Wang, Zhenyu;  Han, En-Hou;  Liu, Chunbo
发表日期: 2017-12-1
摘要: The failure behavior for two kinds of phenolic-epoxy/tetraglycidyl metaxylediamine composite coatings in 60 A degrees C borax aqueous solution was evaluated using electrochemical methods (EIS) combined with scanning electron microscopy, confocal laser scanning microscope, water immersion test, and Raman spectrum. The main focus was on the effect of curing agent on the corrosion protection of coatings. Results revealed that the coating cured by phenolic modified aromatic amine possessed more compact cross-linked structure, better wet adhesion, lower water absorption (0.064 mg h(-1) cm(-2)) and its impedance values was closed to 10(8) a"broken vertical bar cm(2) after immersion for 576 h, while the coating cured by modified aromatic ring aliphatic amine was lower than 10(5) a"broken vertical bar cm(2). The corrosion mechanism of the two coatings is discussed.
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Xu, Wenhua,Wang, Zhenyu,Han, En-Hou,et al. Corrosion Protection Of Phenolic-epoxy/tetraglycidyl Metaxylediamine Composite Coatings In A Temperature-controlled Borax Environment[J]. Springer,2017,26(12):5781-5794.

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