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中国腐蚀与防护学报  2013, Vol. 33 Issue (3): 221-225    
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2-氨基吡啶缩水杨醛席夫碱对Q235钢在盐酸介质中的缓蚀性能
罗 亮
南京工业大学理学院 南京 210009
Inhibition of 2-((Pyridin-2-Ylimino) Methyl) Phenol for Q235 Steel in 1 mol/L HCl Solution
LUO Liang
College of Science, Nanjing University of Technology, Nanjing 21009, China
全文: PDF(673 KB)  
摘要: 合成了一种吡啶衍生物:2-氨基吡啶缩水杨醛席夫碱(PMP),并通过静态失重、动电位极化曲线和电化学阻抗谱等方法,研究了其对Q235钢在1 mol/L HCl溶液中的缓蚀性能。结果表明,在(30±1) ℃下1 mol/L HCl溶液中,当PMP浓度达到15.0 mmol/L时,缓蚀效率为87.9%,是以阴极型为主的混合型缓蚀剂。PMP在Q235钢表面吸附符合Langmuir吸附等温式,吸附过程包括物理吸附和化学吸附。
关键词 缓蚀剂吡啶吸附电化学测试    
Abstract:A new pyridine derivative, 2-((pyridine-2-ylimino)methyl)phenol (PMP) was synthesized and its inhibition effect in 1 mol/L HCl for Q235 steel was studied by means of mass loss measurement, potentiodynamic polarization and electrochemical impedance spectroscopy. Generally, the results indicate that PMP has excellent inhibiting effect. The inhibition efficiency increases with the increase of inhibitor concentration in 1mol/L HCl and the inhibition efficiency is up to 87.9% at the concentration of 15.0 mmol/L. The electrochemical measurements show that PMP acts as a mixed type inhibitor with cathodic inhibition as dominative action. The adsorption of PMP on the Q235 steel surface obeys the Langmuir adsorption law and contains both physisorption and chemisorption.
Key wordsinhibitor    pyridine    adsorption    electrochemical measurement
    
ZTFLH:  TG174.42  

引用本文:

罗 亮. 2-氨基吡啶缩水杨醛席夫碱对Q235钢在盐酸介质中的缓蚀性能[J]. 中国腐蚀与防护学报, 2013, 33(3): 221-225.
LUO Liang. Inhibition of 2-((Pyridin-2-Ylimino) Methyl) Phenol for Q235 Steel in 1 mol/L HCl Solution. Journal of Chinese Society for Corrosion and protection, 2013, 33(3): 221-225.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2013/V33/I3/221

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