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材料导报  2025, Vol. 39 Issue (13): 24080081-10    https://doi.org/10.11896/cldb.24080081
  无机非金属及其复合材料 |
高性能水性环氧涂层及涂层钢筋应用研究进展
管焓宇1, 张登宇2, 欧阳金平2, 张伟强1, 刘志勇1,*
1 烟台大学土木工程学院,山东 烟台 264000
2 中交一公局集团有限公司,山东 烟台 264000
Research Progress in Application of High Performance Waterborne Epoxy Coating and Coated Steel Bar
GUAN Hanyu1, ZHANG Dengyu2, OUYANG Jinping2, ZHANG Weiqiang1, LIU Zhiyong1,*
1 School of Civil Engineering, Yantai University, Yantai 264000, Shandong, China
2 China First Highway Engineering Company Ltd, Yantai 264000, Shandong, China
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摘要 氯盐环境下混凝土结构中的钢筋易被腐蚀,钢筋腐蚀后不仅导致混凝土结构服役寿命缩短,威胁结构安全,甚至造成巨大经济损失。环氧涂层被认为是防止钢筋锈蚀和提高混凝土结构耐久性的有效方法之一,本文针对目前环氧涂层特点及环氧涂层钢筋现状,结合本研究团队近年来研究工作,探讨了国内外水性环氧涂层制备技术;分析了柔性纳米粒子与刚性纳米微材对水性环氧涂层物理力学性能和耐腐蚀性能的影响及其协同增韧机理;探讨了应用改性聚氨酯对水性环氧自修复性能的影响及其调控机理;分析了应用硅烷偶联剂改善水性环氧底涂与钢材粘结性能,引入石墨烯聚苯胺提高中涂耐腐蚀性能,以及适度增加填料颗粒度改善面涂粗糙度及涂层钢筋与混凝土粘结锚固性能的作用机制;阐述了深入开展多功能、多尺度、多层级水性环氧涂层钢筋防护的必要性。结合标准编制工作介绍了水性环氧涂层钢筋研究进展及性能指标,最后简要介绍了水性涂层钢筋应用研究概况。本文对应用水性环氧涂层钢筋提升复杂环境下混凝土结构的耐久性具有理论意义和工程价值。
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管焓宇
张登宇
欧阳金平
张伟强
刘志勇
关键词:  水性环氧涂层钢筋  氯盐环境  钢筋混凝土  耐久性提升    
Abstract: Steel bars in concrete constructions are easily corroded in a chloride environment. Corrosion of steel bars not only reduces the service life of concrete structures, but also threatens the safety of structures and even results in significant economic losses. Epoxy coating is considered to be one of the effective methods to prevent corrosion of steel bars and improve the durability of concrete structures. In view of the characteristics and present situation of epoxy coatings and coated steel bars, combined with the work of our research team, here discusses the preparation technology of waterborne epoxy coatings at home and abroad, analyzes the effects of flexible nanoparticles and rigid nano-materials on the physical and mechanical properties and corrosion resistance of waterborne epoxy coatings and their synergistic toughening mechanism, discusses the effect of modified polyurethane on the self-healing properties of waterborne epoxy and its regulation mechanism. In addition, analyzes the mechanism of many methods to improve coating abilities such as using silane coupling agent to improve the bonding performance between waterborne epoxy primer and steel, adding graphene polyaniline to improve the corrosion resistance of intermediate coating, and moderately increasing fillers to improve the roughness of surface coating and the bonding and anchoring performance between coated steel bar and concrete. The necessity and importance of carrying out research on multi-functional, multi-scale and multi-level waterborne epoxy coated steel bars are further elaborated. At the same time, introduces the research progress and performance indicators of waterborne epoxy coated steel bars in combination with the standard. Finally, briefly introduces the engineering application of waterborne coated steel bars. It is of great significance and engineering value to apply waterborne epoxy coated steel bars to improve the durability of concrete structures in complex environments.
Key words:  waterborne epoxy coated steel bar    chloride environment    reinforced concrete    improvement of durability
出版日期:  2025-07-10      发布日期:  2025-07-21
ZTFLH:  TQ323.5  
基金资助: 山东省自然科学基金重点项目(ZR2020KE049);烟台大学研究生创新基金(KGIFYTU2416)
通讯作者:  *刘志勇,博士,教授,主要研究方向:混凝土材料与结构的耐久性及耐久性提升技术、钢筋混凝土的腐蚀防护与修复技术的研究与开发。Lzy1698@163.com   
作者简介:  管焓宇,建筑与土木工程硕士研究生,从事混凝土结构耐久性提升技术研究。
引用本文:    
管焓宇, 张登宇, 欧阳金平, 张伟强, 刘志勇. 高性能水性环氧涂层及涂层钢筋应用研究进展[J]. 材料导报, 2025, 39(13): 24080081-10.
GUAN Hanyu, ZHANG Dengyu, OUYANG Jinping, ZHANG Weiqiang, LIU Zhiyong. Research Progress in Application of High Performance Waterborne Epoxy Coating and Coated Steel Bar. Materials Reports, 2025, 39(13): 24080081-10.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.24080081  或          https://www.mater-rep.com/CN/Y2025/V39/I13/24080081
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