Publication: Novel amide-based cationic surfactants as efficient corrosion inhibitors for carbon steel in HCl and H 2 SO 4 media
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Yıldırım, Ayhan
Öztürk, Serkan
Çetin, Mehmet
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Wiley
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Abstract
A variety of surface active compounds were synthesized by the quaternization of some straight chain amide derivatives with triethylamine or pyridine. Their structure FT-IR and H-1-NMR spectra were recorded. In addition their physical properties and corrosion prevention efficiencies were investigated. All compounds were tested with steel coupons in acidic media by the gravimetric method. As acidic media 1.5 M HCl and 1.5 M H2SO4 were used and the corrosion inhibition tests fulfilled at room temperature for 24 h. Almost all prepared cationic surfactants showed efficient inhibition around their critical micelle concentrations. The effects of HCl concentration on corrosion inhibition of some synthesized compounds were also investigated. The corrosion tests were supported by contact angle measurements.
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Keywords
Chemistry, Engineering, Synthesis, Surface active compounds, Acidic media, Contact angle, Hydrochloric-acid solution, Mild-steel, Gemini surfactants, Derivatives, Environment, Amides, Carbon steel, Cationic surfactants, Chlorine compounds, Condensation reactions, Contact angle, Corrosion inhibitors, Corrosion prevention, Critical micelle concentration, Dyes, Nuclear magnetic resonance spectroscopy, Synthesis (chemical), 1H-NMR spectra, Acidic media, Corrosion inhibition, Corrosion tests, Gravimetric methods, Quaternization, Surface-active compounds, Triethylamines, Steel corrosion
Citation
Yıldırım, A. vd. (2013). "Novel amide-based cationic surfactants as efficient corrosion inhibitors for carbon steel in HCl and H 2 SO 4 media". Journal of Surfactants and Detergents, 16(1), 13-23.