PDF全文下载：2011040356
张昕， 全贞兰*
（青岛科技大学 化学与分子工程学院，山东 青岛 266042）
摘要：以层状双金属氢氧化物（LDHs）为主体，半胱氨酸（Cys）为修饰剂，制备Cys表面修饰LDHs（Cys-LDHs），之后利用胶体沉积技术在铜表面制备Cys-LDHs薄膜。采用电化学阻抗谱（EIS）、极化曲线的方法研究修饰前后LDHs薄膜在质量分数3.5% NaCl溶液中对铜的缓蚀性能。结果表明，2种LDHs薄膜对铜均具有良好的缓蚀效果，且Cys-LDHs薄膜的缓蚀效果更佳，缓蚀效率可达91.4%。
关键词：表面修饰； LDHs薄膜； 缓蚀； 铜
中图分类号： TQ 13 文献标志码： A
nvestigations on the Inhibition Property of Cysteine Surface
Modified by Layered Double Hydroxides Films on Copper Surfaces
ZHANG Xin, QUAN Zhen-lan
(College of Chemistry and Molecular Engineering，Qingdao University of Science and Technology，Qingdao 266042，China)
Abstract:In this paper, LDHs were modified with cysteine (Cys) to prepare Cys-LDHs.The Cys-LDHs film was prepared on copper surfaces by a colloid deposition technique. The corrosion inhibition of the formed film was studied by electrochemical impedance spectroscopy (EIS) and polarization curves. All results demonstrate that both LDHs and Cys-LDHs films could inhibit the corrosion of copper, and the Cys-LDHs films showed significantly higher inhibition efficiency, reaching 91.4%.
Key words:surface modified； LDHs film； anti-corrosion； copper
收稿日期：2011-04-18
作者简介：张昕(1987—)，女，硕士研究生. *通信联系人.
