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首页> 外文期刊>Journal of Applied Polymer Science >Fabrication of ZnO-functionalized polypyrrole microcomposite as a protective coating to enhance anticorrosion performance of low carbon mild steel
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Fabrication of ZnO-functionalized polypyrrole microcomposite as a protective coating to enhance anticorrosion performance of low carbon mild steel

机译：ZnO-官能化萘酚微型复合材料的制备作为一种保护涂层，以提高低碳低碳钢的防腐性能

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摘要

In the present work, PPy, ZnO, and polypyrrole/zinc oxide (PPy/ZnO) microcomposites (1, 2, and 5 wt%) were prepared and their properties have been tuned for anticorrosion applications on low carbon mild steel. The synthesized products: ZnO, PPy, and composites were characterized by various sophisticated analytical techniques such as XRD, FTIR, Raman, FESEM, EDX, UV-VIS, TGA, and BET. The band frequencies observed at 480 and 588 cm(-1) in FTIR spectrum correspond to stretching vibrations of Zn-O and N-H bonds, respectively, broadening of the bands in the composites indicate strong interactions between ZnO and PPy matrix. The potentiodynamic polarization study of PPy and PPy/ZnO composite was carried out in 3.5% NaCl solution to investigate the corrosion resistance efficiency. PPy/1 wt% ZnO (I-corr = 190 nA) composite coating on low carbon mild steel was observed to exhibit best corrosion protection property compared to PPy (121 mu A), 2 and 5 wt% ZnO (242, 295 nA) composites. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48319.
机译：在本作过程中，制备PPY，ZnO和聚吡咯/氧化锌（PPY / ZnO）微孔复合材料（1,2和5wt％），它们已经调整了低碳低碳钢上的防腐应用。合成的产品：ZnO，PPY和复合材料的特征在于各种复杂的分析技术，如XRD，FTIR，拉曼，FESEM，EDX，UV-VI，TGA和BET。在FTIR光谱中观察到的带频率在480和588cm（-1）中，分别对应于Zn-O和N-H键的拉伸振动，复合材料中的带扩展表示ZnO和PPY矩阵​​之间的强相互作用。在3.5％NaCl溶液中进行了PPY和PPY / ZnO复合材料的电位显微偏振研究，以研究耐腐蚀性效率。与PPY（121μA），2和5wt％ZnO（242,295Ana）相比，观察到低碳低碳钢的PPY / 1wt％ZnO（I-Corr = 190NA）复合涂层表现出最佳的腐蚀保护性能复合材料。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48319。

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