Assessment of (2E)-1-(4-Methoxyphenyl)-3-(2-Phenyl H-Imidazo [1, 2-a] Pyridine-3-yl) Prop-2-en-1-One Adsorption for Aluminum Corrosion Inhibition in Hydrochloric Acid: Gravimetric, Thermodynamic, and DFT Study — Oak Academic Publishing
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Assessment of (2E)-1-(4-Methoxyphenyl)-3-(2-Phenyl H-Imidazo [1, 2-a] Pyridine-3-yl) Prop-2-en-1-One Adsorption for Aluminum Corrosion Inhibition in Hydrochloric Acid: Gravimetric, Thermodynamic, and DFT Study
Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
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Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
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Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
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Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
,
Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
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Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
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Laboratoire de Constitution et de Réaction de la Matière, UFR SSMT, Université Félix Houphouët-Boigny, Abidjan, Côte d’Ivoire
1 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
2 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
3 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
4 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
5 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
6 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
7 Laboratoire de Constitution et de Réaction de la Matière, UFR SSMT, Université Félix Houphouët-Boigny, Abidjan, Côte d’Ivoire
The present study evaluates the adsorption properties of (2E)-1-(4-Methoxyphenyl)-3-(2-Phenyl H-Imidazo[1, 2- α ] Pyridine-3-yl)prop-2-en-1-one (MPIP) on aluminum corrosion in acid medium (HCl 1 M) at different temperatures. This study was assessed by gravimetric tests and density functional theory (DFT). Gravimetric measurements reveal that the compound’s effectiveness increases with concentration but decreases with increasing temperature, suggesting a predominant physical adsorption mechanism. Thermodynamic analysis confirms the spontaneous and exothermic nature of the process, highlighting Langmuir-type adsorption. Theoretical study based on DFT identified the compound’s descriptor parameters ( E HOMO , E LUMO , energy gap, global hardness and softness), corroborating its chemical reactivity and propensity to interact with the metal surface. Finally, experimental and computational results indicate that the compound studied is a promising, environmentally-friendly corrosion inhibitor for the protection of aluminum in acidic environments.
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