Corrosion inhibition of carbon steel in hydrochloric acid: Elucidating the performance of an imidazoline-based surfactant

被引：68

作者：

Kousar, K. ^{[1
]}

Walczak, M. S. ^{[1
]}

Ljungdahl, T. ^{[2
]}

Wetzel, A. ^{[2
]}

Oskarsson, H. ^{[2
]}

Restuccia, P. ^{[3
,4
]}

Ahmad, E. A. ^{[3
,4
]}

Harrison, N. M. ^{[3
,4
]}

Lindsay, R. ^{[1
,5
]}

机构：

[1] Univ Manchester, Corros & Protect Ctr, Dept Mat, Sackville St, Manchester M13 9PL, Lancs, England

[2] Nouryon, Hamnvagen 2, SE-44485 Stenungsund, Sweden

[3] Imperial Coll London, Dept Chem, White City Campus,80 Wood Lane, London W12 0BZ, England

[4] Imperial Coll London, Inst Mol Sci & Engn, White City Campus,80 Wood Lane, London W12 0BZ, England

[5] Univ Manchester, Photon Sci Inst, Oxford Rd, Manchester M13 9PL, Lancs, England

来源：

CORROSION SCIENCE | 2021年 / 180卷

基金：

英国工程与自然科学研究理事会;

关键词：

Carbon steel; Polarization; XPS; Acid inhibition; X-RAY PHOTOEMISSION; MILD-STEEL; ADSORPTION; DERIVATIVES; SPECTRA; IRON; XPS;

D O I：

10.1016/j.corsci.2020.109195

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A combination of electrochemical measurement and interface analysis have been applied to characterise the interaction of OMID, an exemplar imidazoline-based corrosion inhibitor, with carbon steel in 1 M hydrochloric acid. Corrosion inhibition efficiency data indicate that excellent performance is achieved well below the critical micelle concentration. High resolution X-ray photoelectron spectra demonstrate that, as the corrosion rate decreases, the interface evolves towards one comprising OMID bound to film-free carbon steel. This latter result provides key input for those researchers attempting to predict corrosion inhibitor functionality through atomic scale interfacial modelling, and so identify next generation chemistries.

引用

页数：8

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