Steel-corrosion inhibitors derived from soybean oil

D. Graiver, R. Dacomba, M. Khawaji, A. Jaros, K. Berglund, R. Narayan

Research output: Contribution to journalArticle

  • 1 Citations

Abstract

Soybean oil derivatives containing a Schiffbase (SOS-B) were prepared and evaluated as microbial corrosion inhibitors against sulfate-reducing bacteria using the gram-positive Desulfosporosinus orientis bacteria as a representative bacterium. These SOS-B compounds were also found to be excellent inhibitors against acidic corrosion of carbon steel. These soybean oil derivatives were prepared by ozonation of soybean oil to yield aldehyde functional intermediates which were then reacted with benzylamine to produce a mixture of imine functional triglycerides and linear compounds. The structure of these soy-based derivatives was confirmed by FTIR and NMR. It was found that the addition of these SOS-B compounds to D. orientis culture provided a complete inhibition of this bacterium. Furthermore, almost no corrosion of carbon steel panels was observed when the panels were aged in 2N HCl solution containing 10 ppm of these SOS-B compounds.

LanguageEnglish (US)
Pages1895-1903
Number of pages9
JournalJAOCS, Journal of the American Oil Chemists' Society
Volume89
Issue number10
DOIs
StatePublished - Oct 2012

Profile

Steel corrosion
Soybean oil
Soybean Oil
Corrosion inhibitors
Bacteria
Derivatives
Carbon steel
Corrosion
Ozonization
Imines
Aldehydes
Sulfates
Triglycerides
Nuclear magnetic resonance

Keywords

  • Biobased products
  • Polymers/coatings

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Organic Chemistry

Cite this

Steel-corrosion inhibitors derived from soybean oil. / Graiver, D.; Dacomba, R.; Khawaji, M.; Jaros, A.; Berglund, K.; Narayan, R.

In: JAOCS, Journal of the American Oil Chemists' Society, Vol. 89, No. 10, 10.2012, p. 1895-1903.

Research output: Contribution to journalArticle

Graiver, D. ; Dacomba, R. ; Khawaji, M. ; Jaros, A. ; Berglund, K. ; Narayan, R./ Steel-corrosion inhibitors derived from soybean oil. In: JAOCS, Journal of the American Oil Chemists' Society. 2012 ; Vol. 89, No. 10. pp. 1895-1903
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