Imidazolinium inhibitor for mild steel in aggressive conditions

Somers, A. E., Chong, A. L., MacFarlane, D. R. and Forsyth, M. 2015, Imidazolinium inhibitor for mild steel in aggressive conditions, in C&P2015: Corrosion and Prevention 2015, The Australasian Corrosion Association, Kerrimuir, Vic., pp. 1-8.

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Title Imidazolinium inhibitor for mild steel in aggressive conditions
Author(s) Somers, A. E.ORCID iD for Somers, A. E.
Chong, A. L.
MacFarlane, D. R.
Forsyth, M.ORCID iD for Forsyth, M.
Conference name Corrosion and Prevention (2015: Adelaide, S. Aust.)
Conference location Adelaide, S. Aust.
Conference dates 15-18 Nov. 2015
Title of proceedings C&P2015: Corrosion and Prevention 2015
Publication date 2015
Start page 1
End page 8
Total pages 8
Publisher The Australasian Corrosion Association
Place of publication Kerrimuir, Vic.
Summary An organic salt comprising of an imidazolinium cation and a 4-hydroxy cinnamate anion has been shown to be a viable inhibitor for reducing the corrosion of steel in 0.01M NaCl aqueous solutions under acidic, neutral and basic conditions. The efficiency is particularly high at pH 8 (86%). Of most significance is that the individual components of this compound do not inhibit as effectively at equivalent concentrations, particularly at a pH of 2, suggesting there is a true synergy resulting from the combination of anion and cation. The immersion studies show the efficacy of these inhibitors to stifle corrosion as observed from optical, SEM and profilometry experiments. The mechanism of inhibition appears to be dominated by anodic behavior and further surface characterization work will investigate the origin of this inhibition and the synergy observed.
ISSN 1442-0139
Language eng
Field of Research 030307 Theory and Design of Materials
Socio Economic Objective 860699 Industrial Chemicals and Related Products not elsewhere classified
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, Australasian Corrosion Association
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