Preparation, Surface active properties, and Anticorrosion Application of some novel surfactants based on cottonseed oil and diethanolamine on carbon steel in CO2 environmentsстатья

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[1] Preparation, surface active properties, and anticorrosion application of some novel surfactants based on cottonseed oil and diethanolamine on carbon steel in co2 environments / I. T. Ismayilov, V. M. Abbasov, E. N. Efremenko et al. // Journal of Advances in Chemistry. — 2013. — Vol. 1, no. 1. — P. 5–17. Novel surfactants were synthesized based on cottonseed oil and diethanolamine and the structures of these compounds were confirmed by FTIR spectroscopy. The surface and thermodynamic properties of these compounds have been investigated. The corrosion behavior of the synthesized surfactant corrosion inhibitors was evaluated by using potentiodynamic (Tafel) polarization curves, linear polarization resistance corrosion rate techniques. The experimental results showed that these inhibitors revealed a very good corrosion inhibition even at low concentrations. The protection efficiency increased with increasing inhibitor concentration, getting maximum values ranged between 87.37 and 97.91 % at 100 ppm after 20 hour of exposure. The adsorption process was found to obey the Langmuir adsorption isotherm.

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