Effect of nonionic co-surfactants on corrosion inhibition effect of cationic gemini surfactant

被引：96

作者：

Asefi, Dourna ^{[2
]}

Mahmoodi, Niyaz Mohammad ^{[3
]}

Arami, Mokhtar ^{[1
]}

机构：

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

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

[3] Inst Color Sci & Technol, Dept Environm Res, Tehran, Iran

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2010年 / 355卷 / 1-3期

关键词：

Electrochemical calculation; Corrosion inhibition; Chain length; Gemini surfactant; Alcohols; CARBON-STEEL SURFACE; MILD-STEEL; ADSORPTION; ACID; LENGTH; EFFICIENCY; BEHAVIOR; SYSTEMS;

D O I：

10.1016/j.colsurfa.2009.12.019

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effect of chain length compatibility on corrosion inhibition effect of mixed inhibitor systems of cationic gemini surfactant (1,3-butan-bis(dodecyl dimethyl ammonium bromide) (designated as 12-4-12)), nonionic co-surfactants (C7OH (1-heptanol), C12OH (1-dodecanol) and C15OH (1-pentadecanol)) oil low carbon steel in acidic medium was studied using weight loss, open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) measurements. Data represented that the corrosion rate decreased by increasing surfactant concentration. In addition, less chain length difference causes more compatibility and inhibition efficiency on behavior of surfactant and co-surfactant mixture. Increasing of inhibition efficiency for C12OH + gemini surfactant was more than other mixtures. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：183 / 186

页数：4

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