| 聚脲涂层体系在混凝土表面的附着性能研究 |
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| 引用本文： | 钟萍,李健. 聚脲涂层体系在混凝土表面的附着性能研究[J]. 中国腐蚀与防护学报, 2011, 0(5) |
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| 作者姓名： | 钟萍 李健 |
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| 作者单位： | 湖南工程学院化学化工学院;武汉材料保护研究所; |
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| 基金项目： | 国家重点基础研究发展计划项目(2007CB607603)资助 |
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| 摘 要： | 应用无溶剂环氧封闭涂料和聚脲涂料在混凝土试样表面制备聚脲涂层体系,测试了该涂层体系在混凝土表面的附着强度,利用表面形貌分析及红外光谱和电子能谱等技术手段,分析混凝土与聚脲涂层界面特性,探讨聚脲涂层在混凝土表面附着失效的机理。结果表明,聚脲涂层与混凝土的附着失效为涂层与混凝土之间的物理附着破坏;而无溶剂环氧封闭涂层+聚脲涂层体系的失效为封闭涂层与混凝土之间的物理附着破坏和封闭涂层本身的内聚破坏;封闭涂层的应用可提高混凝土表面的强度,无溶剂环氧封闭涂层和聚脲涂层之间可以形成互穿网络结构。
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| 关 键 词： | 聚脲涂层 湿附着力 微观形貌 附着性能 |
ADHESION BEHAVIOR OF POLYUREA COATING SYSTEM ON CONCRETE SURFACE |
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| ZHONG Ping,LI Jian .School of Chemistry , Chemical Engineering,Hunan Institute of Engineering,Xiangtan ,.Wuhan Research Institute of Materials Protection,Wuhan. ADHESION BEHAVIOR OF POLYUREA COATING SYSTEM ON CONCRETE SURFACE[J]. Journal of Chinese Society For Corrosion and Protection, 2011, 0(5) |
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| Authors: | ZHONG Ping LI Jian .School of Chemistry & Chemical Engineering Hunan Institute of Engineering Xiangtan .Wuhan Research Institute of Materials Protection Wuhan |
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| Affiliation: | ZHONG Ping~1,LI Jian~2 1.School of Chemistry & Chemical Engineering,Hunan Institute of Engineering,Xiangtan 411104,2.Wuhan Research Institute of Materials Protection,Wuhan 430030 |
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| Abstract: | The composite polyurea coating system were made with the solvent-free epoxy sealing coating and the polyurea coating on the surface of the concrete sample.The adhesion strength of the polyurea coating on the surface of concrete was measured.To understand the reasons for the adhesion failure of the polyurea coating on the surface of the concrete sample,the characteristics of the interface between the polyurea coating and the concrete surface were analyzed thoroughly with the help of surface topography,infra-... |
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| Keywords: | polyurea coating system wet-adhesion morphology adhesion behavior |
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