| WU Yang-min,ZHOU Sheng-guo,LU Guang-ming,ZHAO Wen-jie.Waterborne Preparation Technology and Corrosion Resistance of Epoxy Resins[J],46(11):135-142 |
| Waterborne Preparation Technology and Corrosion Resistance of Epoxy Resins |
| Received:June 18, 2017 Revised:November 20, 2017 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2017.11.019 |
| KeyWord:waterborne epoxy resin corrosion resistance mechanical method chemical modification phase inversion method curing agent emulsifying |
| Author | Institution |
| WU Yang-min |
1.Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo , China; 2.School of Material Science and Engineering, Jiangxi University of Science and Technology, Ganzhou , China |
| ZHOU Sheng-guo |
School of Material Science and Engineering, Jiangxi University of Science and Technology, Ganzhou , China |
| LU Guang-ming |
Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo , China |
| ZHAO Wen-jie |
Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science, Ningbo , China |
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| Abstract: |
| Epoxy resins are widely used in various fields of industrial production due to excellent performance, However, as various countries limit or even prohibit emission of volatile organic compounds (VOC) one by one, developing waterborne epoxy resin represents the general trend. The top advantage of waterborne epoxy resin is low or even zero VOC emission, in addition to excellent corrosion resistance, salt spray resistance, mechanical strength and electrical insulation, these advantages are of great significance to application of waterborne epoxy resin in even more stringent environment. Main preparation methods of waterborne anticorrosive epoxy resin were introduced in detail. Mechanical method is a common method of preparing waterborne epoxy resin due to simple preparation process and low cost. Chemical modification method can be used to obtain uniform and stable nano-level waterborne epoxy resin emulsion. Phase inversion method is an effective method of obtaining an aqueous epoxy resin emulsion with high molecular weight. Curing agent emulsifying method can be used to prepare waterborne epoxy coating by making the curing agent directly react with the epoxy resin. Preparation process of waterborne epoxy resin coating was expounded, and rule of effect of experimental conditions on corrosion resistance of the coating was analyzed. Moreover, research progress and influencing factors of coating properties were discussed emphatically. Future development trend was prospected by summarizing and analyzing current preparation methods of waterborne epoxy resin. |
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