The chain length influence of cationic surfactant and role of nonionic co-surfactants on controlling the corrosion rate of steel in acidic media

被引：101

作者：

Asefi, Dorna ^{[2
]}

Arami, Mokhtar ^{[1
]}

Sarabi, Ali Asghar ^{[3
]}

Mahmoodi, Niyaz Mohammad ^{[4
]}

机构：

[1] Amirkabir Univ Technol, Dept Text Engn, Tehran, Iran

[2] Azad Univ S Branch Tehran, Dept Polymer Engn, Tehran, Iran

[3] Amirkabir Univ Technol, Dept Polymer Engn, Tehran, Iran

[4] Inst Colorants Paint & Coatings, Dept Environm Res, Tehran, Iran

来源：

CORROSION SCIENCE | 2009年 / 51卷 / 08期

关键词：

Acid solutions; Steel; Weight loss; Electrochemical calculation; Acid corrosion; MILD-STEEL; ELECTROCHEMICAL-BEHAVIOR; SYNERGISTIC INHIBITION; GEMINI SURFACTANTS; CHLORIDE-ION; ROLLED STEEL; CARBON-STEEL; ADSORPTION; EFFICIENCY; SYSTEMS;

D O I：

10.1016/j.corsci.2009.05.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion inhibition effect of cationic surfactants, DTAB (Dodecyl Trimethyl Ammonium Bromide) and TTAB (Tetradecyl Trimethyl Ammonium Bromide), on low carbon steel was studied using weight loss, open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) measurements. The effect of chain length compatibility on corrosion inhabitancy of surfactant and co-surfactant was investigated by C7OH (1-heptanol), C12OH (1-dodecanol) and C15OH (1-pentadecanol) as nonionic co-surfactants in acidic media at different concentrations of DTAB and TTAB. Data represented that the corrosion rate decreased by increasing concentration of DTAB and TTAB, independently. The effect of chain length compatibility on surfactant behavior was discussed. Decreasing of corrosion rate for DTAB + C12OH was more pronounced than other mixtures. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1817 / 1821

页数：5

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