引用本文:
张沈阳, 廖强强, 徐少迪, 杨冬, 赵璐璐, 葛红花. 铜表面二硫代氨基甲酸改性葡萄糖自组装膜的缓蚀作用[J]. 应用化学,
2013, 30(5): 596-601.
doi:
10.3724/SP.J.1095.2013.20310
Citation: ZHANG Shenyang, LIAO Qiangqiang, XU Shaodi, YANG Dong, ZHAO Lulu, GE Honghu. Inhibitive Effect of the Self-assembled Monolayers of Dithiocarbamate Modified Glucose on Copper Surface[J]. Chinese Journal of Applied Chemistry, 2013, 30(5): 596-601. doi: 10.3724/SP.J.1095.2013.20310
Citation: ZHANG Shenyang, LIAO Qiangqiang, XU Shaodi, YANG Dong, ZHAO Lulu, GE Honghu. Inhibitive Effect of the Self-assembled Monolayers of Dithiocarbamate Modified Glucose on Copper Surface[J]. Chinese Journal of Applied Chemistry, 2013, 30(5): 596-601. doi: 10.3724/SP.J.1095.2013.20310
铜表面二硫代氨基甲酸改性葡萄糖自组装膜的缓蚀作用
摘要:
合成了一种环境友好型的缓蚀剂-二硫代氨基甲酸改性葡萄糖(DTCG)。采用该缓蚀剂在铜表面制备了自组装膜,并运用电化学阻抗谱、极化曲线方法研究了该膜在3%NaCl溶液中对铜的缓蚀性能。研究结果表明,DTCG自组装膜对铜有良好的缓蚀效果,在自组装时间为4 h、自组装浓度为120 mg/L的缓蚀效率接近于97%。量子化学计算结果也证明了DTCG具有优异的缓蚀性能。
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关键词:
- 二硫代氨基甲酸改性葡萄糖
- / 自组装膜
- / 铜
- / 电化学方法
- / 量子化学
English
Inhibitive Effect of the Self-assembled Monolayers of Dithiocarbamate Modified Glucose on Copper Surface
Abstract:
Dithiocarbamate modified glucose(DTCG),an environment-friendly corrosion inhibitor,has been synthesized. Corrosion inhibition effect of DTCG self-assembled monolayers(SAMs) formed on copper surface was measured in 3% NaCl solution using electrochemical impedance and polarization curve methods. The results indicate that DTCG SAM has good corrosion inhibition effect for copper and its inhibition efficiency can be close to 97% after self-assembling in 120 mg/L DTCG for 4 h. Quantum chemical calculations also show that DTCG possesses excellent anticorrosion performance.
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