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    蔡兰坤, 张东曙, 祝鸿范, 周浩. 防止银器文物变色的唑系复合缓蚀剂Ⅰ. 缓蚀剂成膜处理工艺与防变色性能的评定[J]. 华东理工大学学报(自然科学版), 2002, (3): 263-268.
    引用本文: 蔡兰坤, 张东曙, 祝鸿范, 周浩. 防止银器文物变色的唑系复合缓蚀剂Ⅰ. 缓蚀剂成膜处理工艺与防变色性能的评定[J]. 华东理工大学学报(自然科学版), 2002, (3): 263-268.
    Azoles as Composite Corrosion Inhibitor for Anti-tarnishing of Silver Antiques Ⅰ.Process of the Inhibition Film Formation and Assessment of Its Anti-tarnishing Abilities[J]. Journal of East China University of Science and Technology, 2002, (3): 263-268.
    Citation: Azoles as Composite Corrosion Inhibitor for Anti-tarnishing of Silver Antiques Ⅰ.Process of the Inhibition Film Formation and Assessment of Its Anti-tarnishing Abilities[J]. Journal of East China University of Science and Technology, 2002, (3): 263-268.

    防止银器文物变色的唑系复合缓蚀剂Ⅰ. 缓蚀剂成膜处理工艺与防变色性能的评定

    Azoles as Composite Corrosion Inhibitor for Anti-tarnishing of Silver Antiques Ⅰ.Process of the Inhibition Film Formation and Assessment of Its Anti-tarnishing Abilities

    • 摘要: 通过按正交法设计的紫外光照曝露等加速大气腐蚀实验,研究了用于防止银变色的唑系复合缓蚀剂成膜处理的工艺,并评定其对模拟文物银或试片的防变色性能。采用极化曲线和交流阻抗Nyquist图,讨论了防变色作用的电化学机理。实验结果表明,缓蚀剂PMTA、MBI和MBO具有较好的协同作用,银试片在50℃、pH3.0、组分MBO:PMTA:MBI为1:1.7:3(摩尔比)、复合缓蚀剂浓度为0.0189mol/L的溶液中4h成膜处理后,经48h硫华气氛和36h紫外光曝露腐蚀实验,无色斑出现,表明缓蚀膜明显地提高了银试片的抗变色能力。

       

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