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首页> 外文期刊>Applied Surface Science >Corrosion resistant properties of polyaniline-acrylic coating on magnesium alloy
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Corrosion resistant properties of polyaniline-acrylic coating on magnesium alloy

机译：镁合金上聚苯胺-丙烯酸涂层的耐腐蚀性能

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摘要

The performance of the paint coating based on acrylic-polyaniline on magnesium alloy ZM 21 has been studied by electrochemical impedance spectroscopy in 0.5% NaCl solution. The polyaniline was prepared by chemical oxidative method of aniline with ammonium persulphate in phosphoric acid medium. The phosphate-doped polyaniline was characterized by FTIR and XRD methods. Acrylic paint containing the phosphatedoped polyaniline was prepared and coated on magnesium ZM 21 alloy. The coating was able to protect the magnesium alloy and no base metal dissolution was noted even after 75 days exposure to sodium chloride solution.
机译：通过在0.5％NaCl溶液中的电化学阻抗谱研究了基于丙烯酸-聚苯胺的镁合金ZM 21涂料涂层的性能。在磷酸介质中，用过硫酸铵通过苯胺的化学氧化法制备了聚苯胺。通过FTIR和XRD方法表征了磷酸盐掺杂的聚苯胺。制备含有磷酸根掺杂的聚苯胺的丙烯酸涂料，并将其涂覆在镁ZM 21合金上。该涂层能够保护镁合金，即使暴露在氯化钠溶液中75天后也未观察到贱金属溶解。

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