Corrosion protection of iron by α,ω-diphosphonic acid layers |
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Authors: | Ilona Felh?si |
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Affiliation: | Chemical Research Center of the Hungarian Academy of Sciences, P.O. Box 17, 1525 Budapest, Hungary |
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Abstract: | Protective layer formation of α,ω-diphosphono-alkane compounds on iron surface was studied. Layer formation proved to be a spontaneous process on iron, and can be accomplished by simple immersion into an aqueous solution of phosphono compounds, resulting in a thin dense multimolecular adsorption layer with a high corrosion protection effect. The mechanism of inhibition and time dependence of layer formation is presented. |
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Keywords: | Protective layer Corrosion Phosphonic acids Impedance spectroscopy |
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