AbstractAn electroactive poly(triphenylamine) (PTPA‐C6) is applied to the surface of iron as a corrosion‐protection layer. The iron substrate coated with PTPA‐C6 is thermally treated at different temperatures (up to 80°C) to study the effect of thermal treatment of PTPA‐C6 on the corrosion behavior of iron. Experimental results indicate that the contact angle of the PTPA‐C6 film increases from 81.6° at room temperature to 100° after thermal treatment at 80°C for 1 hr. The surface becomes more hydrophobic after thermal treatment, which will lower the penetration of water to the iron surface. Adhesion tests (ASTM 3359) indicate that adhesion between the PTPA‐C6 and iron substrate is enhanced after thermal treatment. Additionally, a thin iron oxide layer formed between the PTPA‐C6 and iron substrate as a passivation layer. The synergistic effect of these factors makes PTPA‐C6 a very effective corrosion protection layer on iron substrate after appropriate thermal treatment. Corrosion protection efficiency increases from 90% of the pristine PTPA‐C6 to 99.9% of the 80°C treated PTPA‐C6.

中文翻译：

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铁的耐腐蚀涂层：电活性聚（三苯胺）涂层与后处理的协同作用，可提高防腐蚀效率

摘要将电活性聚三苯胺（PTPA-C6）涂在铁表面作为防腐蚀层。在不同温度（最高80°C）下对涂有PTPA-C6的铁基材进行热处理，以研究PTPA-C6热处理对铁的腐蚀行为的影响。实验结果表明，PTPA-C6膜的接触角从室温下的81.6°增大到80°C热处理1小时后的100°。热处理后，表面变得更加疏水，这将降低水对铁表面的渗透。附着力测试（ASTM 3359）表明，热处理后PTPA-C6与铁基材之间的附着力得到增强。此外，在PTPA-C6和铁基板之间形成了一层薄的氧化铁层，作为钝化层。这些因素的协同作用使PTPA-C6经过适当的热处理后成为铁基材上非常有效的腐蚀防护层。防腐效率从原始PTPA-C6的90％提高到80°C处理的PTPA-C6的99.9％。