三唑化合物在0.5mol/L硫酸中对Q235钢的缓蚀作用
Inhibition Effect of Triazole-type Compound PMT on Mild Steel Corrosion in 0.5 mol/L H2SO4 Solution
摘 要
合成了一种新型三氮唑化合物:1-苯次乙亚氨基-2-巯基-5-［1-(1,3,4-三氮唑)亚甲基］-1,3,4-三氮唑(PMT),并通过失重试验、动电位极化、电化学阻抗谱及扫描电镜方法研究了其在0.5 mol/L硫酸溶液中对Q235碳钢的缓蚀作用.结果表明,该三唑化合物在硫酸中对Q235碳钢有较好的缓蚀效果,是混合型缓蚀剂.
缓蚀剂
失重试验
动电位极化
电化学阻抗谱
Triazole-type compound
Corrosion inhibitor
Weight loss measurement
Potentiodynamic polarization
Electrochemical impendence spectroscopy
Abstract
A new corrosion inhibitor of triazole-type compound 1-phenylacetimino-2-mercapto-5-［1-(1,3,4-triazolyl)-methene］-1,3,4-triazoles (PMT) has been synthesized and its inhibiting action on the corrosion of Q235 steel in 0.5 mol/L H2SO4 has been investigated by weight loss measurements,potentiodynamic polarization,electrochemical impedance spectroscopy (EIS) and scanning electronic microscopy (SEM).The PMT showed very excellent inhibition performance and behaved as a mixed-type inhibitor.
中图分类号 TG174.42
所属栏目 试验研究
基金项目 山东省博士后基金《环境友好型海水缓蚀剂的研究》(200601001)
收稿日期 2007/1/10
修改稿日期 2007/2/23
网络出版日期
作者单位点击查看
引用该论文: PEI Chang-ling,LI Wei-hua,HE Qiao,YU Guang-ming,DENG Chang-hui. Inhibition Effect of Triazole-type Compound PMT on Mild Steel Corrosion in 0.5 mol/L H2SO4 Solution[J]. Corrosion & Protection, 2008, 29(1): 21～24
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参考文献
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【6】沈长斌,薛钰芝.咪唑啉类缓蚀剂的结构特性及其缓蚀性能[J].大连铁道学院学报,2003,24(4):88-91.
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