采用失重法、极化曲线和电化学阻抗谱(EIS)等方法对2-(4-吡啶基)苯并咪唑(PBI)在盐酸体系中对碳钢的缓蚀行为进行了研究.结果表明,PBI对碳钢的腐蚀具有优良的抑制作用,其缓蚀效率随着缓蚀剂浓度的增大而升高,随着温度升高和盐酸浓度增大而下降.PBI能够自发吸附在碳钢表面,其吸附遵循Langmuir吸附等温式.
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