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Investigation of inhibition properties of aromatic thiol self-assembled monolayer for corrosion protection

机译:芳族硫醇自组装单层缓蚀性能的研究

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摘要

The self-assembled monolayer (SAM) of 2-{[(2-sulfanelphenyl) imino] methyl} phenol was prepared on the copper and characterized using Tafel polarization and electrochemical impedance spectroscopy in sodium chloride media. The results of electrochemical measurements indicate, when the self-assembling time, concentration of the SAM solution and temperature was increased, the inhibition efficiency increased. The results of Tafel polarization and impedance methods were in good agreement. After self-assembling for 6.0 h in (1 × 10~(-2)) M SAM solution, the SAM was able to protect the copper against corrosion about 99%. This compound followed the Langmuir adsorption isotherm. Effect of temperature indicated chemisorption of self-assembled molecule.
机译:在铜上制备了2-{[((2-硫代苯苯基)亚氨基]甲基}苯酚的自组装单分子层(SAM),并在氯化钠介质中使用Tafel极化和电化学阻抗谱对其进行了表征。电化学测量的结果表明,当自组装时间,SAM溶液的浓度和温度增加时,抑制效率增加。 Tafel极化和阻抗法的结果吻合良好。在(1×10〜(-2))M SAM溶液中自组装6.0小时后,SAM能够保护铜免受约99%的腐蚀。该化合物遵循Langmuir吸附等温线。温度的影响表明自组装分子的化学吸附。

著录项

  • 来源
    《Corrosion science》 |2012年第12期|p.331-339|共9页
  • 作者

    M. Behpour; N. Mohammadi;

  • 作者单位

    Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Ravand Street, Kashan, P.O. BOX 87317-51167,Iran;

    Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I. R. Iran;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A. Copper; B. EIS; B. Polarization;

    机译:A.铜;B.EIS;极化;

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