A One-pot Reaction Involving Furan Derivatives as Potential Corrosion Inhibitors for Carbon Steel in Acidic Environments: Insights from Electrochemical and Computational Analyses
نویسندگان
1 Department of Chemistry, College of Science, Al-Nahrain University, Baghdad, Iraq
2 Department of Chemistry, College of Science, Al-Nahrain University, Baghdad, Iraq
doi
10.22036/pcr.2025.540995.2724چکیده
In this work, economy and a newly derivative of Furan ((N,N'E,N,N'E)-N,N'-(furan-2,5-diylbis(methanylylidene))bis(benzo[c][1,2,5]thiadiazol-4-amine)which have been labeled as (AFU1) was synthesized and characterized to use as anti-corrosion of carbon steel in 0.5M of HCL acid solution. AFU1 was synthesized and characterized via using FT-IR, Uv-vis, mass spectroscopy, 1H-NMR and 13C-NMR spectroscopy. The anti-corrosion properties of AFU1 were evaluated using open circuit potential (OCP) and potentiodynamic polarization (PDP) methods to determine and calculate the inhibition efficiency. To understand the inhibition behavior of AFU1 the study carried to determine the corrosion rate at different temperatures ranged from (293 - 323) K and various concentrations of AFU1, as well as, all thermodynamic parameters and kinetic have been calculated and discussed. Furthermore, the mechanism of the AFU1 adsorption onto the surface of carbon steel has been studied. The observation results of this work indicated that the inhibition efficiency increased with a rising concentration of AFU1 and decreased with an increase in temperature, with the optimal value of inhibition efficiency being 87%. within used 0.5mM of AFU1. adsorption of the AFU1 inhibitor on the carbon steel surface adheres to the Langmuir adsorption model isotherm. . DFT is employed to understand the electronic structure of the inhibitor molecule
