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Corrosion inhibition of 1-benzyl-4-((benzyloxy) methyl)-1H-1,2,3-triazole (BBT) for C844 bronze in saline medium and theoretical study by G. Sosa von Putlitz; A. Espinoza Vázquez; F.J. Rodríguez Gómez; G.E. Negrón-Silva; Ignacio A. Figueroa; R. Orozco-Cruz; A. Miralrio; M. Castro is a Chemistry article available to read on EtoBox.

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The corrosion inhibition efficiency of 1-benzyl-4-((benzyloxy)methyl)-1 H -1,2,3-triazole (BBT) with a different concentration on C844 bronze in NaCl 3% was investigated by electrochemical impedance spectroscopy (EIS). On the other hand, the surface of the samples was characterized before and after the corrosion experiments and with the presence of Paraloid-B72 coating using scanning electron microscopy (SEM-EDS). The results showed that the best concentration as corrosion inhibition was at 100 ppm with 87% inhibition efficiency, and coating with 10 mg/m 2 of Paraloid + BBT reached 89.8%. Accordingly, the Langmuir adsorption isotherm was found to be a suitable parameter for correlating the experimental results with a possible protection mechanism. The film persistence showed better durability by controlling the corrosion process during 450 h of immersion by presenting higher load transfer resistance values. Assuming a cluster-model approach, density functional theory calculations were used to elucidate the BBT-metal surface interactions. The physical part of the mixed-type adsorption of BBT can be rationalized by the electrostatic interactions between BBT molecule and the surface m

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Author

G. Sosa von Putlitz; A. Espinoza Vázquez; F.J. Rodríguez Gómez; G.E. Negrón-Silva; Ignacio A. Figueroa; R. Orozco-Cruz; A. Miralrio; M. Castro

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Chemistry (Physical Sciences)