| 酸溶液在纳米蒙脱土改性EA光固化涂料中的渗透行为 |
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| 引用本文： | 郑耀臣,陈芳. 酸溶液在纳米蒙脱土改性EA光固化涂料中的渗透行为[J]. 腐蚀科学与防护技术, 2008, 20(5) |
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| 作者姓名： | 郑耀臣 陈芳 |
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| 作者单位： | 1. 烟台大学,化工系,烟台,264005
2. 威海鲁江实业有限公司技术部,威海,264200 |
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| 摘 要： | 采用静态浸泡法得到了漆膜增重-时间曲线,研究了酸溶液在纳米蒙脱土(nano-MMT)改性光固化涂层中的渗透行为.结果表明:浸泡初期,介质在涂层中的传输行为符合Fick扩散定律,之后涂层吸收量达到饱和,由计算公式可求得渗透介质在涂层中的扩散系数;添加nano-MMT、增加WEA:WAD的比例和提高交联密度可以减小渗透介质的扩散系数,提高涂层的抗介质渗透性能.
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| 关 键 词： | 紫外光固化涂料 纳米复合涂料 介质传输 酸 |
PENETRATION BEHAVIOR OF ACIDS SOLUTION THROUGH UV-CURED COATINGS MODIFIED BY NANO-MONTMORILLONITE |
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| ZHENG Yao-chen,CHEN Fang. PENETRATION BEHAVIOR OF ACIDS SOLUTION THROUGH UV-CURED COATINGS MODIFIED BY NANO-MONTMORILLONITE[J]. Corrosion Science and Protection Technology, 2008, 20(5) |
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| Authors: | ZHENG Yao-chen CHEN Fang |
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| Affiliation: | ZHENG Yao-chen1,CHEN Fang21.Department of Chemical Engineering,Yantai University,Yantai 264005,2.Department of Technology,Weihai Lujiang Limited Company,Weihai 264200 |
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| Abstract: | Permeation behavior of UV-cured coating modified by nano-montmorillonite(nano-MMT) was investigated by using static immersion method.The relationships between the medium permeation and the addition of the amount of nano-MMT,the weight ratio of epoxy acrylate(EA) to a home-made photosensitive reactive diluent(AD),curing degree of the UV-cured coating,and the sorts of acid medium were discussed.The result showed that permeation behavior of medium followed Fick diffusion law in the early stage,later water abso... |
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| Keywords: | UV-curable coatings nano-composite medium permeation acid |
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