Adsorption and Inhibition Effect of Synthesized N,N-bis(3-Hydroxybenzaldehyde)-1,3-Propandiimine on the Corrosion of Mild Steel in 1M HCl

作者：Ghasemi O; Danaee I^*; Rashed G R; Avei M Rashvand; Maddahy M H

来源：Journal of Dispersion Science and Technology, 2013, 34(7): 985-995.

DOI：10.1080/01932691.2012.712006

• Adsorption
• AFM
• corrosion inhibitor
• Langmuir
• Schiff base

The corrosion inhibition of mild steel in 1M HCl by N,N-bis(n-Hydroxybenzaldehyde)-1,3-Propandiimine (3-HBP) has been investigated using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The experimental results suggest that 3-HBP is an excellent inhibitor and the inhibition efficiency increases with the increase in inhibitor concentration. Polarization curves reveal that this organic compound is a mixed type inhibitor. The effect of temperature was studied in the range from 25 degrees C to 65 degrees C. The experimentally obtained adsorption isotherms follow the Langmuir equation. Thermodynamic parameters of the corrosion were calculated. The morphology of mild steel surface was examined by AFM images.

• 出版日期2013-7-3
• 单位中国石油大学（北京）