| 新型Schiff碱的合成及对铜缓蚀性能研究 |
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| 引用本文： | 王卫云,李忠芳,王素文. 新型Schiff碱的合成及对铜缓蚀性能研究[J]. 山东理工大学学报：自然科学版, 2012, 0(3): 6-9 |
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| 作者姓名： | 王卫云 李忠芳 王素文 |
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| 作者单位： | 山东理工大学化学工程学院 |
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| 基金项目： | 国家自然科学基金资助项目(21076119,20776081);山东省自然科学基金资助项目(ZR2010BM004,Y2006B37) |
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| 摘 要： | 合成了新型Schiff碱缓蚀剂:1,5-二甲基-2-苯基-4-(4-羟基苯亚甲胺)-3-吡唑啉酮(MBAP).采用UV-vis和FT-IR对其结构进行了表征.采用电化学交流阻抗(EIS)和极化曲线测试方法,研究了不同浓度的缓蚀剂MBAP-乙醇溶液在0.5mol/L NaCl溶液中对紫铜防腐蚀性能的影响.结果表明,随着缓蚀剂-乙醇溶液浓度的增大,缓蚀剂对紫铜的缓蚀效率增大.当加入0.5mol/L NaCl溶液中的缓蚀剂-乙醇溶液浓度为2.0mmol/L时,缓蚀效率达到最大值.MBAP通过化学和物理吸附两种形式在铜表面形成自组装膜,起到良好的防腐蚀性能.
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| 关 键 词： | 防腐蚀 Schiff碱 缓蚀剂 交流阻抗 极化曲线 |
Synthesis of new Schiff base and its performance study on inhibiting copper corrosion |
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| WANG Wei-yun,LI Zhong-fang,WANG Su-wen. Synthesis of new Schiff base and its performance study on inhibiting copper corrosion[J]. Journal of Shandong University of Technology:Science and Technology, 2012, 0(3): 6-9 |
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| Authors: | WANG Wei-yun LI Zhong-fang WANG Su-wen |
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| Affiliation: | (School of Chemical Engineering,Shandong University of Technology,Zibo 255091,China) |
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| Abstract: | 4-(4-hydroxybenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one(MBAP) is synthesized as a corrosion inhibitor.The structure is characterized by melting point test,UV-Vis spectrum and FT-IR spectrum.Electrochemical impedance spectroscopy(EIS) and polarization curves testing methods are used to investigate the corrosion properties of copper in 0.5 mol/L NaCl solution with or without different concentrations of MBAP-ethanol solution.Results show that the compound is target compound.The inhibition efficiency(IE) increases with the increasing inhibitor concentration.IE reaches to a higher value in 0.2 mmol/L MBAP-ethanol solution according to the test results.The adsorption of MBAP on the copper surface occurrs via both physical and chemical adsorption followed the Langmuir adsorption isotherm. |
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| Keywords: | corrosion protection Schiff base inhibitor EIS polarization curve |
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