Corrosion inhibition and adsorption behavior of new Schiff base surfactant on steel in acidic environment: Experimental and theoretical studies |
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| Affiliation: | 1. Department of Chemistry, Faculty of Science (Men''s Campus), Al-Azhar University, Nasr City 11884, Cairo, Egypt;2. Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt;1. Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, PR China;2. School of Chemistry and Environment, South China Normal University, Guangzhou 510006, PR China;3. Key Laboratory of Materials for Energy Conversion and Storage, Guangzhou 510006, PR China;1. Department of Physics, Tarbiat Modares University, P.O. Box 14115-335, Tehran 1411713116, Iran;2. Faculty of electrical and Computer Engineering, Advanced Devices Simulation Lab (ADSL), P. O. Box 14115-194, Tehran 1411713116, Iran;1. Centre for Immunology of Infectious Diseases and Vaccines, National Institute of Public Health and the Environment, Bilthoven, The Netherlands;2. Epidemiology and Surveillance Unit, National Institute for Public Health and the Environment, Bilthoven, The Netherlands;1. Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal;2. Chemical Engineering Department, Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro, 1959-007, Lisboa, Portugal;1. Universidade Federal de São Carlos (UFSCar) Campus Araras, Departamento de Ciências da Natureza, Matemática e Educação/CCA – Rodovia Anhanguera, km 174 – SP-330, CEP 13600-970 Araras, SP, Brazil;2. Universidade Federal de São Carlos (UFSCar), Departamento de Química – Rod, Washington Luiz, km 235, CEP: 13565-905 São Carlos, SP, Brazil;3. Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Farmácia – Campus JK, CEP: 39100-000 Diamantina, MG, Brazil;4. EMBRAPA Instrumentação – Rua XV de Novembro, 1452, CP 741, CEP: 13560-970, São Carlos, SP, Brazil |
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| Abstract: | Synthesis, adsorption and corrosion inhibiting effect of new Schiff base surfactant named 4-hydroxy-3-(3-phenyl-allylideneamino)-benzene sulphonic acid2-2-(2-{2-2-(2-hydroxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethyl ether (abbreviated as PAAB) on mild steel in 1.0 M HCl were investigated using weight loss, and potentiodynamic polarization techniques. The results revealed that this compound inhibited the corrosion reaction in HCl environment. The results indicated that this inhibitor was adsorbed on the metal/solution interface. Theoretical study of the adsorption behavior of this compound was carried out in the framework of the semiempirical (SE) and molecular dynamics (MD). |
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| Keywords: | Steel Weight loss Polarization Acid corrosion Acid inhibition |
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