Abstract Three nonionic surfactants based on azodye and Schiff base condensed with poly ethylene glycol were prepared. Their inhibition effect towards corrosion of steel in hydrochloric acid was investigated using electrochemical frequency modulation, electrochemical impedance spectroscopy, potentiodynamic polarization, quantum chemical calculations and molecular dynamic simulation. The data revealed that the prepared surfactants had the ability to inhibit corrosion reaction with good agreement between experimental and computational results. The adsorption of surfactants on the carbon steel surface in 1 M HCl was found to obey Langmuir isotherm. Polarization results showed that these inhibitors act as mixed-type inhibitors.

中文翻译：

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一些制备的偶氮染料和席夫碱表面活性剂在酸性介质中作为钢的缓蚀剂的合成、电化学和量子化学研究。

摘要 制备了三种偶氮染料和席夫碱与聚乙二醇缩合的非离子表面活性剂。采用电化学调频、电化学阻抗谱、动电位极化、量子化学计算和分子动力学模拟研究了它们对盐酸中钢腐蚀的抑制作用。数据表明，所制备的表面活性剂具有抑制腐蚀反应的能力，实验和计算结果之间具有良好的一致性。发现表面活性剂在 1 M HCl 中碳钢表面的吸附服从朗缪尔等温线。极化结果表明这些抑制剂作为混合型抑制剂。