以全氟乙酸、二乙烯三胺和溴代十二烷为原料,采用逐级脱水法合成了新型的含氟咪唑啉季铵盐(IMF),并以红外光谱(FTIR)确定其结构,采用失重法、动电位极化曲线、电化学阻抗等方法研究其在0.5 mol/LHCl溶液中对Q235碳钢的缓蚀率与浓度、温度的关系,以扫描电镜(SEM)表征Q235碳钢的腐蚀形貌,运用热力学参数探究缓蚀机理.结果表明:IMF的缓蚀率随其浓度增大而增大,在2.0 mmol/L时达到最高,且在高温时有优良的缓蚀性能;IMF与金属表面有作用力存在,阻碍了其在高温时的脱附.
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