1-Aminoanthraquinone derivatives as a novel corrosion inhibitor for carbon steel API 5L-X60 in white petrol-water mixtures

被引：21

作者：

Muthukumar, N. ^{[1
,2
]}

Ilangovan, A. ^{[3
]}

Maruthamuthu, S. ^{[2
]}

Palaniswamy, N. ^{[2
]}

Kimura, A. ^{[1
]}

机构：

[1] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan

[2] Cent Electrochem Res Inst, Karaikkudi 630006, Tamil Nadu, India

[3] Bharathidasan Univ, Sch Chem, Tiruchirappalli 620024, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 115卷 / 01期

关键词：

Organic compounds; Chemical synthesis; Atomic force microscopy (AFM); Corrosion; ANTIMICROBIAL ACTIVITY; MILD-STEEL; ACID; SERIES; IRON; IMPEDANCE;

D O I：

10.1016/j.matchemphys.2008.12.027

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Three amide derivatives of 1-aminoanthraquinones (AAQs) synthesized from long chain fatty acids were evaluated for corrosion inhibition efficiency against steel (API 5L-X60) in white petrol-water mixtures at room temperature by weight loss and electrochemical studies. Potentiodynamic polarization studies carried out at room temperature on steel (API 5L-X60) in white petrol with water containing 120 ppm of chloride and 50 ppm of the 1-aminoanthraquinone derivatives showed that all the investigated compounds are of anodic type and good corrosion inhibitors in white petrol-water mixtures. Oleic acid derivative of 1-aminoanthraquinone was found to be the best corrosion inhibitor. It exhibited 86% inhibition efficiency against the corrosion of API 5L-X60 steel. The surface analysis by AFM indicated the adsorption of inhibitors on the metal surface. Besides, all the synthesized 1-aminoanthraquinone derivatives exhibited antimicrobial efficacy against Serratia marcescens ACE2 and Bacillus cereus ACE4. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：444 / 452

页数：9

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