Paper: Electrochemical Effect of Chain Length on Corrosion Inhibition Effect of Cationic Single Chain and Gemini Surfactants (CORROSION 2011 (March 13

Tuesday, March 15, 2011: 6:10 PM

Room 350 E (George R. Brown Convention Center)

Dourna Asefi^*¹, Mokhtar Arami², and Niyaz Mohammad Mahmoodi³
(1)Azad Universuty South Brach of Tehran; (2)Amirkabir University of Technology, Textile Department; (3)Department of Environmental Research, Institute for Colorants, Paint and Coatings

Corrosion inhibition efficiency of Gemini (12-4-12 and 14-4-14) and conventional surfactants (DTAB and TTAB) on low carbon steel was investigated; using three common methods namely, weight loss, OCP and EIS. The influence of chain length and temperature of the media was verified. Data indicate that, the corrosion inhibition efficiency improves by increasing the concentration and chain length of the surfactants. Corrosion rate of steel increases by increasing the temperature of the medium containing surfactant. Adsorption isotherm of used surfactants and kinetic parameters were studied.

See more of: Advanced Experimental Techniques in Corrosion Research
See more of: Research in Progress

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19771 Electrochemical Effect of Chain Length on Corrosion Inhibition Effect of Cationic Single Chain and Gemini Surfactants