화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.26, 81-94, June, 2015
DOI10.1016/j.jiec.2014.11.018  Export Citation
Quantum chemical and experimental investigations on inhibitory behavior of amino-imino tautomeric equilibrium of 2-aminobenzothiazole on steel corrosion in H2SO4 solution
I. Danaee†, M. Gholami, M. RashvandAvei1, and M.H. Maddahy
  • Abadan Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran
  • 1Department of Chemistry, K.N. Toosi University of Technology, Tehran, Iran
E-mail:
The interaction and corrosion inhibition properties of 2-aminobenzothiazole and its different configurations on steel in 1 M H2SO4 were studied by electrochemical and computational calculations. A quantum chemical approach was used to calculate electronic properties of 2-ABT and its different configurations to ascertain the relationship between inhibitive effect and molecular structure. The quantitative structure activity relationship approach was also used to correlate the quantum chemical parameters with experimentally determined inhibition efficiencies. Polarization studies showed that 2-ABT blocked the electrode surface by the adsorption of inhibitor molecules obeying Langmuir isotherm. In addition, the activation and thermodynamic parameters of adsorption were calculated.
Keywords:Aminobenzothiazole;Inhibitor;Quantum;QSAR;Langmuir
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