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首页> 外文期刊>Applied Surface Science >Study On The Adsorption Behavior Of 7-GPS On Low Carbon Steel Surfaces Using RA-IR, EIS And AFM
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Study On The Adsorption Behavior Of 7-GPS On Low Carbon Steel Surfaces Using RA-IR, EIS And AFM

机译：RA-IR，EIS和AFM研究7-GPS在低碳钢表面的吸附行为

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摘要

The adsorption behavior of -y-GPS on low carbon steel surfaces was systematically investigated by reflection absorption infrared spectroscopy (RA-IR), electrochemical impedance spectroscopy (EIS) and atomic force microscopic (AFM), focusing on the changes in "y-GPS chains alignment during the adsorption process and the influence of assembly time on the chemical structures, three-dimension morphology and corrosion resisting property of 7-GPS films. The results indicated that the adsorption of 7-GPS exhibited an oscillatory phenomenon, which experienced rapid adsorption firstly, then reached maximum adsorption capacity, subsequently suffered extensive desorption, finally went through irreversible slow adsorption. The growth behavior and protective performance of 7-GPS films was closely related to the adsorption capacity and the alignment of silanol monomers. As more silanol monomers were adsorbed, the stronger the intermolecular van der Waals interactions between the 7-GPS chains would be, resulting in highly ordered 7-GPS films with excellent performance. The proposed adsorption models were used to simulate the experimental phenomena and determine the adsorption mechanisms taking place on the low carbon steel surfaces.
机译：通过反射吸收红外光谱（RA-IR），电化学阻抗谱（EIS）和原子力显微镜（AFM）系统研究了-y-GPS在低碳钢表面上的吸附行为，重点研究了“ y-GPS”的变化吸附过程中链的排列以及组装时间对7-GPS薄膜化学结构，三维形态和耐腐蚀性能的影响，结果表明7-GPS的吸附表现出振荡现象，经历了快速吸附首先，达到最大吸附容量，然后经历广泛的解吸，最后经历不可逆的缓慢吸附； 7-GPS薄膜的生长行为和保护性能与硅烷醇单体的吸附能力和取向密切相关。吸附后，7-GPS链之间的分子间范德华相互作用越强e，从而获得性能优异的高度有序的7-GPS胶片。提出的吸附模型被用来模拟实验现象并确定在低碳钢表面发生的吸附机理。

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  • 来源
    《Applied Surface Science》 |2011年第23期|p.9895-9903|共9页
  • 作者

    Lixia Yang; Mingxing Liu; Xiaoli Lei; Yuxin Zhang;

  • 作者单位

    School of Material Science and Chemistry Engineering, China University of Geosciences, Wuhan 430074, PR China;

    School of Material Science and Chemistry Engineering, China University of Geosciences, Wuhan 430074, PR China;

    School of Material Science and Chemistry Engineering, China University of Geosciences, Wuhan 430074, PR China;

    School of Material Science and Chemistry Engineering, China University of Geosciences, Wuhan 430074, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Adsorption; y-GPS; Oscillatory; Protective performance;

    机译：吸附;y-GPS;振动;防护性能;

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