| 有机防护涂层老化研究进展 |
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| 引用本文： | 吕平,李华灵,黄微波.有机防护涂层老化研究进展[J].材料导报,2011,25(13):83-85,118. |
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| 作者姓名： | 吕平 李华灵 黄微波 |
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| 作者单位： | 青岛理工大学功能材料研究所,青岛,266033 |
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| 基金项目： | 山东省自然科学基金项目 |
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| 摘 要： | 综述了以聚脲及聚氨酯涂层为代表的有机防护涂层在不同测试方法(SEM、AFM、FTIR、EIS、ATR等)和不同试验环境下的耐老化性能,包括有机防护涂层降解老化研究、腐蚀介质在涂层内的渗透性研究、涂层混凝土氯离子渗透性研究、有机涂层的老化研究及电化学阻抗测试研究。研究结果表明:涂层在不同老化条件下表现出不同的老化行为,紫外线/盐雾循环人工加速老化及Cl-在涂层中扩散最终都能导致涂层形貌破坏,防护功能下降;有机涂层附着力丧失及涂层失效程度可用涂层电容(C)值的迅速增加和涂层电阻(R)值的急剧降低为指标进行衡量。
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| 关 键 词： | 有机涂层 老化 降解 氯离子 阻抗 |
New Progress of the Research on Organic Protective Coatings |
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| LU Ping,LI Hualing,HUANG Weibo.New Progress of the Research on Organic Protective Coatings[J].Materials Review,2011,25(13):83-85,118. |
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| Authors: | LU Ping LI Hualing HUANG Weibo |
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| Affiliation: | LU Ping,LI Hualing,HUANG Weibo(Research Institute of Functional Materials,Qingdao Technological University,Qingdao 266033) |
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| Abstract: | This paper introduces the achievements of the aging performance on the organic protective coating degeneration aging research through permeable corrosive medium research,coated concrete chloride ion permeability research,the aging research of organic coating and electrochemistry impedance research,related test methods have been introduced too.Research indicated that after 25 weeks and 8 weeks artificial accelerating aging test respectively,the polyurea coating and polyurethane coating was characterized by s... |
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| Keywords: | organic coating aging degradation chloride ion impedance |
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