1-羟甲基苯并三氮唑对铜的缓蚀性能研究  

THE CORROSION INHIBITIVE ANALYSIS OF THE DERIVATIVE OF BENZOTRIAZOLE

作　　者：周建华[1] 李景宁[1] 罗志勇[1] 

机构地区：[1]华南师范大学化学与环境学院,广东广州510631

出　　处：《华南师范大学学报（自然科学版）》2009年第3期70-73,共4页Journal of South China Normal University(Natural Science Edition)

摘　　要：以苯并三氮唑(BTA)为原料合成1-羟甲基苯并三氮唑,将其与乙二胺按一定比例混合,通过挂片、电极化曲线以及交流阻抗等实验方法对其缓蚀性能进行了测定.证明该缓蚀剂10 mg/L的质量浓度下在质量分数为3%的NaC l溶液中对黄铜的缓蚀率达到90%,比BTA有更好的缓蚀性能.电化学测量表明,新缓蚀剂的加入使铜的自腐蚀电位负移,增强了阴极极化的抑制作用,提高了铜电极表面的电荷转移电阻,从而具有较好的缓蚀效果.The 1 H - benzotriazole - 1 - methanol was synthesized through the reaction of benzotriazole and aldehyde. Its quality was investigated by weight loss method, potentiodynamic polarization and alternate current impedance. It＇s proved that the inhibition efficiency was 90% by using this medicine in concentration of 10 mg/L in 3% NaCl solution. The result showed that this medicine had better efficiency than BTA. The electro -chemical results indicated that the corrosion inhibitor inhibited cathode corrosion reactions.

关 键 词：缓蚀剂 铜 电极化曲线 交流阻抗 

分 类 号：O62[理学—有机化学]