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Contribution to the corrosion inhibition of C38 steel in 1 M hydrochloric acid medium by a new epoxy resin PGEPPP

A. MolhiEnvironment, Materials and Sustainable Development Team -CERNE2D, High School of Technology, Mohammed V University in Rabat, MoroccoRachid HsissouFaculty of Sciences, Ibn Tofail University, BP 242, 14000, Kenitra, MoroccoM. DamejEnvironment, Materials and Sustainable Development Team -CERNE2D, High School of Technology, Mohammed V University in Rabat, MoroccoАвни БеришаDepartments of Chemistry, Faculty of Natural and Mathematics Science, University of Prishtina, 10000 Prishtina, KosovoVeprim ThaçiDepartments of Chemistry, Faculty of Natural and Mathematics Science, University of Prishtina, 10000 Prishtina, KosovoAmine BelafhailiCenter for electron microscopy, Faculty of Sciences, Mohammed V University in Rabat, MoroccoMohammed BenmessaoudEnvironment, Materials and Sustainable Development Team -CERNE2D, High School of Technology, Mohammed V University in Rabat, MoroccoNajoua LabjarLaboratory of Spectroscopy, Molecular Modeling, Materials, Nanomaterials, Water and Environment, CERNE2D, ENSAM, Mohammed V University in Rabat, MoroccoS ElLaboratory of Spectroscopy, Molecular Modelling Materials, Nanomaterial Water and Environment -CERNE2D, Faculty of Sciences, Mohammed V University in Rabat, MoroccoN BelarbiF DergalI ChikhiS MerahD LerariK BachariG VastagN LabjarLaboratory of Spectroscopy, Molecular Modeling, Materials, Nanomaterials, Water and Environment, CERNE2D, ENSAM, Mohammed V University in Rabat, MoroccoF BentissM LebriniC JamaS HajjajiP Arellanes-LozadaO Olivares-XometlN LikhanovaI LijanovaJ Vargas-GarcaR Hernndez-RamrezM MajdT ShahrabiB RamezanzadehA ZeinoI AbdulazeezM KhaledM JawichI ObotM SalahL LahcneA OmarH YahiaO BenaliL LarabiS MerahY HarekM MalikM HashimF NabiS Al-ThabaitiZ KhanA DehghaniG BahlakehB RamezanzadehM RamezanzadehA VitusI OtarakuA MaofariM BenmessaoudEnvironment, Materials and Sustainable Development Team -CERNE2D, High School of Technology, Mohammed V University in Rabat, MoroccoC VermaM QuraishiE EbensoA Fathima SabirneezaR GeethanjaliS SubhashiniS Abd El RehimS SayyahM El-DeebS KamalR AzoozG AcharyY NaikS KumarT VenkateshaB SherigaraT HjkovA KalendovM HejdovR HsissouFaculty of Sciences, Ibn Tofail University, BP 242, 14000, Kenitra, MoroccoM BerradiM BouchtiA BachiriA HarfiH SaufiH LgazS MasroorM ChafiqM DamejEnvironment, Materials and Sustainable Development Team -CERNE2D, High School of Technology, Mohammed V University in Rabat, MoroccoA BrahmiaR SalghiM BenmessaoudEnvironment, Materials and Sustainable Development Team -CERNE2D, High School of Technology, Mohammed V University in Rabat, MoroccoI AliM AlghamdiA ChaouikiI ChungJ AndzelmR King-SmithG FitzgeraldA BerishaDepartments of Chemistry, Faculty of Natural and Mathematics Science, University of Prishtina, 10000 Prishtina, KosovoN MardirossianM Head-GordonY InadaH Orita

2021en

ABI

Annotatsiya

The objective of this work is to synthesize and evaluate the performance of pentaglycidyl ether pentaphenoxyphosphorus (PGEPPP) as a corrosion inhibitor of C38 steel in a 1 M hydrochloric acid solution. In these evaluations, we were using potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and we will finish these studies by surface analysis using the scanning electron microscope (SEM) coupled with EDS. The results obtained were in good agreement, showing a significant increase in the inhibition efficiency (IE%) with the increase in the concentration of the inhibitor tested. It reaches a value of 97% for a concentration of 1 mM of PGEEPPP. The potentiodynamic polarization measurement indicates that the PGEPPP acts as a mixed-type inhibitor, thus thermodynamic parameters obtained from electrochemical impedance curves showed that adsorption of PGEPPP epoxy resin to the surface of C38 steel obeyed the Langmuir isothermal model and that the adsorption mechanism is physics. Analysis of the metal surface by SEM/EDS shows the formation of an inhibitor film as a barrier against corrosion of the C38 steel in a solution of 1 M HCl acid. DFT and Monte Carlo simulation studies revealed a good association with the experiment results.

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Identifikatorlar

DOI: 10.17675/2305-6894-2021-10-1-23

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