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首页> 外文期刊>Applied Surface Science >Functionalization of steel surfaces with organic acids: Influence on wetting and corrosion behavior
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Functionalization of steel surfaces with organic acids: Influence on wetting and corrosion behavior

机译：用有机酸对钢表面进行功能化：对润湿和腐蚀行为的影响

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摘要

Self-assembled monolayers (SAMs) have been used to tailor surface properties of different metal surfaces. Typically SAMs can be bound to surface hydroxyls of a thin oxide layer that forms on the surface of a less noble metal and dominates its properties. The effects of SAMs with different anchoring groups and chain lengths regarding wettability, corrosion resistance and homogeneity of the layer were studied in detail. Alkyl carbonic and phosphonic acids were selected to create a hydrophobic layer on the surface of stainless steel ASIS 316L and on carbon steel N80. SAMs were fofmed by dip-coating of the samples in an organic acid ethanolic solution. Sum frequency generation (SFG) analysis together with contact angle and electrochemical measurements were carried out to explore correlations between tailored wettability, corrosion resistance, and layer homogeneity on one side, and the chain length, anchor group, concentration and immersion time on the other side. The homogeneity of the layers as well as the resulting surface hydrophobicity increased with an increase of the immersion time, the contact angle reached a maximum (ca. 120) for an immersion time of approximately 2 days. (C) 2017 Elsevier B.V. All rights reserved.
机译：自组装单分子层（SAMs）已用于调整不同金属表面的表面性能。通常，SAM可以结合到在较稀有金属的表面上形成的薄氧化物层的表面羟基上，并控制其性能。详细研究了具有不同锚固基团和链长的SAMs对层的润湿性，耐腐蚀性和均匀性的影响。选择烷基碳酸和膦酸可在ASIS 316L不锈钢表面和N80碳钢表面上形成疏水层。通过在有机酸乙醇溶液中浸涂样品来形成SAM。进行了总频率生成（SFG）分析以及接触角和电化学测量，以探索一侧的定制润湿性，耐腐蚀性和层均匀性与另一侧的链长，锚定基团，浓度和浸入时间之间的相关性。随着浸没时间的增加，层的均质性以及所得的表面疏水性增加，浸没时间约2天，接触角达到最大值（约120°）。 （C）2017 Elsevier B.V.保留所有权利。

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  • 来源
    《Applied Surface Science》 |2017年第may15期|326-333|共8页
  • 作者

    Frank Micael Alonso; Meltzer Christian; Braunschweig Bjoern; Peukert Wolfgang; Boccaccini Aldo R.; Virtanen Sannakaisa;

  • 作者单位

    Univ Erlangen Nurnberg, Inst Surface Sci & Corros, Dept Mat Sci & Engn, Erlangen, Germany|Univ Erlangen Nurnberg, Inst Biomat, Dept Mat Sci & Engn, Erlangen, Germany;

    Univ Erlangen Nurnberg, Inst Particle Technol, Erlangen, Germany|Univ Erlangen Nurnberg, Erlangen Grad Sch Adv Opt Technol SAOT, Erlangen, Germany;

    Univ Erlangen Nurnberg, Inst Particle Technol, Erlangen, Germany|Univ Erlangen Nurnberg, Erlangen Grad Sch Adv Opt Technol SAOT, Erlangen, Germany|Cluster Excellence Engn Adv Mat EAM, Erlangen, Germany|Univ Munster, Inst Phys Chem, Munster, Germany;

    Univ Erlangen Nurnberg, Inst Particle Technol, Erlangen, Germany|Univ Erlangen Nurnberg, Erlangen Grad Sch Adv Opt Technol SAOT, Erlangen, Germany|Cluster Excellence Engn Adv Mat EAM, Erlangen, Germany;

    Univ Erlangen Nurnberg, Inst Biomat, Dept Mat Sci & Engn, Erlangen, Germany;

    Univ Erlangen Nurnberg, Inst Surface Sci & Corros, Dept Mat Sci & Engn, Erlangen, Germany;

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

    Stainless steel 316L; Carbon steel N80; Hydrophobicity Myristic acid; Octadecylphosphonic acid (ODPA); Stearic acid; Surface functionalization; Sum frequency generation;

    机译：316L不锈钢;N80碳钢;疏水性肉豆蔻酸;十八烷基膦酸（ODPA）;硬脂酸;表面功能化;总和产生;

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