Corrosion inhibition of carbon steel using novel N-(2-(2-mercaptoacetoxy)ethyl)-N,N-dimethyl dodecan-1-aminium bromide during acid pickling

被引：241

作者：

Hegazy, M. A. ^{[1
]}

Badawi, A. M. ^{[1
]}

Abd El Rehim, S. S. ^{[2
]}

Kamel, W. M. ^{[1
]}

机构：

[1] EPRI, Nasr City, Cairo, Egypt

[2] Ain Shams Univ, Fac Sci, Cairo, Egypt

来源：

CORROSION SCIENCE | 2013年 / 69卷

关键词：

Steel; EIS; Weight loss; Polarization; Acid inhibition; CATIONIC GEMINI SURFACTANTS; COLD-ROLLED STEEL; MILD-STEEL; THERMODYNAMIC CHARACTERIZATION; ELECTRONIC-STRUCTURE; ADSORPTION PROCESSES; METAL DISSOLUTION; CHAIN-LENGTH; IODIDE-IONS; DERIVATIVES;

D O I：

10.1016/j.corsci.2012.11.031

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel cationic surfactant, N-(2-(2-mercaptoacetoxy)ethyl)-N,N-dimethyl dodecan-1-aminium bromide, has been synthesized to study its corrosion inhibiting effect against carbon steel in 1.0 M HCl solution. The corrosion inhibition efficiency was measured by using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, and weight loss methods. The inhibition efficiencies obtained from these methods were in good agreement. The inhibition efficiency slightly decreased in the temperature range 30-60 degrees C The synthesized inhibitor acted as a mixed inhibitor. Thermodynamic adsorption and activation parameters were discussed. Adsorption of the synthesized inhibitor was found to follow the Langmuir adsorption isotherm. A chemical adsorption mechanism is proposed. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：110 / 122

页数：13

共 88 条

[1] Rhodanine azosulpha drugs as corrosion inhibitors for corrosion of 304 stainless steel in hydrochloric acid solution [J].