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首页> 外文期刊>Corrosion science >Experimental and theoretical studies on protective properties of poly(pyrrole-co-N-methyl pyrrole) coatings on copper in chloride media
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Experimental and theoretical studies on protective properties of poly(pyrrole-co-N-methyl pyrrole) coatings on copper in chloride media

机译:氯化介质中铜上聚吡咯-co-N-甲基吡咯涂层保护性能的实验和理论研究

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摘要

The corrosion inhibition behaviour of poly(pyrrole-co-N-methyl pyrrole) films synthesized from oxalic acid solutions containing different ratios of monomers (Py:NMPy 8:2, 6:4, 5:5, 4:6, 2:8) has been examined. For this aim, E_(ocp)-time curves, anodic polarization and EIS techniques were used. Synthesized copolymer films exhibited significant protection efficiency against corrosion of copper in 3.5% (w/v) NaCl and 8:2 ratios of monomers gave the most protective copolymer coating. Quantum chemical approach was utilized in order to correlate corrosion inhibition performance of all copolymers. Experimental protection efficiencies are supported by density functional theory (DFT) calculations.
机译:由不同比例单体(Py:NMPy 8:2,6:4,5:5,4:6,2:8)的草酸溶液合成的聚吡咯-N-甲基吡咯膜的腐蚀抑制行为)已检查。为此目的,使用了E_(ocp)-时间曲线,阳极极化和EIS技术。合成的共聚物薄膜在3.5%(w / v)的NaCl中显示出显着的抗铜腐蚀保护效率,并且8:2的单体比例提供了最具保护性的共聚物涂层。为了使所有共聚物的缓蚀性能相关联,采用了量子化学方法。实验保护效率得到密度泛函理论(DFT)计算的支持。

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  • 来源
    《Corrosion science 》 |2013年第4期| 252-261| 共10页
  • 作者单位

    Eskisehir Osmangazi University, Faculty of Science and Letters, Chemistry Department, 26480 Eskisehir, Turkey;

    Eskisehir Osmangazi University, Faculty of Science and Letters, Chemistry Department, 26480 Eskisehir, Turkey;

    Eskisehir Osmangazi University, Faculty of Science and Letters, Chemistry Department, 26480 Eskisehir, Turkey;

    Eskisehir Osmangazi University, Faculty of Science and Letters, Chemistry Department, 26480 Eskisehir, Turkey;

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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; C. Polymer coatings;

    机译:A.铜;B. EIS;C.聚合物涂料;

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