Research on the Anti-Diffusion Behavior of ZnO/Polyurethane Coatings

Acta Scientiarum Naturalium Universitatis Pekinensis

Research on the Anti-Diffusion Behavior of ZnO/Polyurethane Coatings

YANG Lihong^{1, 4)}, LIU Fuchun²⁾, ZHANG Zhiqiang³⁾, HE Ping¹⁾, HAN Enhou²⁾, Qilu¹⁾
(¹⁾ New Energy Materials and Technology,Department of Applied Chemistry, College of Chemistr

Received:2006-09-18 Online:2006-12-30 Published:2006-12-30

氧化锌改性聚氨酯涂层的抗介质扩散行为研究

杨立红^{1, 4)}, 刘福春²⁾, 张志强³⁾, 何平¹⁾, 韩恩厚²⁾, 其鲁¹⁾
(¹⁾北京大学化学与分子工程学院, 应用化学系, 新能源材料与技术实验室, 北京, 100871; ²⁾中国科学院金属研究所, 环境腐蚀中心, 沈阳, 110016; ³⁾中国石油青海油田公司多元开发处, 敦煌, 73

Abstract

Abstract: The anti-diffusion of ZnO/polyurethane coatings were studied by using the impedance spectroscopy technique. Results indicate that the coating with P/B=1 has the best anti-diffusion and salt spray performance, the breakpoint frequency of the coating with P/B=1 is lower than others, which indicates the smaller defect area.

Key words: EIS, salt-spray test, anti-diffusion, ZnO/polyurethane coating

摘要： 研究了添加不同颜基比(P/B)ZnO的聚氨酯涂料在3.5%氯化钠溶液中的电化学阻抗谱特征, 结果表明, 添加量为P/B=1的涂层, 颜料分布均匀适中, 具有最佳抗介质渗透性能, 耐盐雾性能较好, 且该涂层特征频率较低, 表明其具有最小的涂层缺陷面积。

关键词: 电化学阻抗谱, 盐雾测试, 抗扩散, ZnO改性聚氨酯涂料

CLC Number:

TQ63

YANG Lihong^{1, 4)}, LIU Fuchun²⁾, ZHANG Zhiqiang³⁾, HE Ping¹⁾, HAN Enhou²⁾, Qilu¹⁾
(¹⁾ New Energy Materials and Technology,Department of Applied Chemistry, College of Chemistr. Research on the Anti-Diffusion Behavior of ZnO/Polyurethane Coatings[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

杨立红^{1, 4)}, 刘福春²⁾, 张志强³⁾, 何平¹⁾, 韩恩厚²⁾, 其鲁¹⁾
(¹⁾北京大学化学与分子工程学院, 应用化学系, 新能源材料与技术实验室, 北京, 100871; ²⁾中国科学院金属研究所, 环境腐蚀中心, 沈阳, 110016; ³⁾中国石油青海油田公司多元开发处, 敦煌, 73. 氧化锌改性聚氨酯涂层的抗介质扩散行为研究[J]. 北京大学学报（自然科学版）.

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