Steel-corrosion inhibitors derived from soybean oil

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

    Research output: Research - peer-reviewArticle

    • 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
    Corrosion inhibitors
    Bacteria
    Soybean oil
    Derivatives
    Carbon steel
    Corrosion
    Ozonization
    Imines
    Aldehydes
    Sulfates
    Triglycerides
    Nuclear magnetic resonance
    benzylamine

    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: Research - peer-reviewArticle

    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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