2-((5-Mercapto-1,3,4-thiadiazol-2-ylimino)methyl-6-methoxy) phenol Schiff base as a New and Effective Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution

被引：0

作者：

Xie, Yan ^{[1
]}

Liu, Yuanwei ^{[1
]}

Yang, Zhongnian ^{[1
]}

机构：

[1] Binzhou Univ, Chem Engn Res Ctr, Dept Chem Engn, Binzhou 256603, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 02期

关键词：

2-((5-Mercapto-1,3,4-thiadiazol-2-ylimino)methyl-6-methoxy) phenol (MTMMP); Corrosion Inhibition; Mild Steel; Electrochemical Impedance Spectroscopy; Weight Loss; potentiodynamic polarization; THERMODYNAMIC CHARACTERIZATION; MOLECULAR-STRUCTURE; CARBON-STEEL; DERIVATIVES; ADSORPTION; COPPER; IRON; BEHAVIOR; IMPEDANCE;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Corrosion inhibition of 2-((5-Mercapto-1,3,4-thiadiazol-2-ylimino) methyl- 6-methoxy) phenol Schiff base (MTMMP) as a new and effective corrosion inhibitor for mild steel in 1M HCl was investigated by means of weight loss (WL), potentiodynamic polarization curves and electrochemical impedance spectroscopy (EIS). The results show that the MTMMP Schiff base has excellent inhibition efficiency for mild steel in 1M HCl. The inhibition efficiency increases with the increase inhibitor concentration, and decreases with increasing temperature in the studied temperature range. The studied inhibitor acts as a mixed type corrosion inhibitor. The adsorption of MTMMP Schiff base on the mild steel surface conforms to Langmuir adsorption isotherm. The quantum chemical calculations were carried out to explain a relationship between the adsorption behavior and the structure of MTMMP molecule.

引用

页码：1292 / 1304

页数：13

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