采用静态失重、动电位极化、交流阻抗等技术方法研究了1-苯胺甲基苯并咪唑(PAB)对盐酸介质中N80钢的缓蚀性能,并讨论了PAB在N80钢表面的吸附行为.结果表明,缓蚀率随着PAB浓度增大而升高,随着温度升高而下降.极化曲线测试表明PAB是一种混合控制型缓蚀剂.PAB在N80钢表面的吸附是一个自发、放热、熵增的过程,其行为符合Langmuir吸附等温式.同时采用量子化学方法对PAB的缓蚀机理做了进一步分析.
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