正十二硫醇自组装单层膜改善环氧涂层腐蚀防护性能的研究  

Study of the Effect of n-Dodecanethiol Self-assembled Monolayer on the Improvement of Corrosion Protection of Epoxy Coating

作　　者：孔燕[1] 张树永[1] 李红娟[1] 

机构地区：[1]山东大学化学与化工学院,济南250100

出　　处：《化学学报》2004年第17期1612-1616,共5页Acta Chimica Sinica

基　　金：国家自然科学基金 (No.2 0 3750 2 3)资助项目

摘　　要：通过在正十二硫醇自组装单层膜表面制备环氧树脂涂层的方法 ,在涂层 /铜基体界面引入自组装界面层 .采用X射线光电子能谱、电化学阻抗谱、阻抗 -时间谱和相位角 -时间谱等方法对硫醇自组装界面层及其对涂层腐蚀防护性能的影响进行了研究 .结果表明 ,引入的自组装单层可极大地改善涂层的腐蚀防护性能 .By formation of epoxy coating on n-dodecanethiol self-assembled monolayer on copper substrate, self-assembled monolayer was introduced between epoxy coating and copper electrode. The formation of self-assembled interfacial n-dodecanethiol monolayer and its effect on the corrosion protection of epoxy coating were evaluated using the X-ray photoelectronic spectroscopy, electrochemical impedance spectroscopy, impedance-time transition, and phase angle-time transition method. It was found that, the self-assembled interfacial monolayer can improve the corrosion protection of the epoxy coating greatly. The mechanism for the great improvement was discussed.

关 键 词：正十二硫醇 自组装单层膜 环氧树脂涂层 腐蚀防护性能 

分 类 号：TG174[金属学及工艺—金属表面处理]