摘要
采用静态浸泡法绘制了漆膜增重-时间曲线,研究了纳米蒙脱土(nano-MMT)填充紫外光固化涂层的吸水性及纳米蒙脱土用量、环氧丙烯酸酯(EA)与合成活性稀释剂(RD)比例、光固化涂层的固化程度与介质传输行为的关系.结果表明,WEA∶WRD越大、涂层的固化程度越高,涂层的抗介质渗透性能越好.添加纳米蒙脱土能促进涂层中酯键的水解,对涂层的耐介质传输性能不利.
Water uptake of UV-cured coating filled by nano-montmorillonite （nano-MMT） were investigated by using static immersion method. The relationship between the behavior of medium permeation and the addition of the amount of nano-MMT, the weight ratio of epoxy acrylate （EA） and the reactive diluent （RD） synthesized by ourselves, curing degree of the UV-cured coating was discussed. The result showed that the medium permeation behavior in the coatings was mainly determined by curing degree and the ratio of WEA to WRD. The resistance to medium permeation for the coatings increased with the increase of curing degree and the ratio of WEA to WRD, and decrease with the amount of nano- MMT. Owing to the hydrolysis of ester bond in the UV-cured coatings caused by nano-MMT, the resistance to medium permeation for the nano-MMT filled UV-cured coatings became worse.
出处
《腐蚀科学与防护技术》
CAS
CSCD
北大核心
2006年第6期440-442,共3页
Corrosion Science and Protection Technology
基金
烟台大学青年科学基金项目(HY04Z2)
关键词
紫外光固化涂料
纳米填充材料
介质传输
纳米蒙脱土
UV-curable coatings
nano-composite material
medium permeation
nano-montmorillonite
