导电聚苯胺作为一种新型高分子材料,因具有耐划伤和耐点蚀的优点已成为最有应用价值的聚合物材料,被广泛应用于金属的腐蚀与防护领域。首先介绍了化学氧化聚合法合成聚苯胺的机理,重点讨论了聚苯胺纳米材料的制备方法,包括聚苯胺纳米颗粒、聚苯胺纳米纤维、聚苯胺纳米管和聚苯胺纳米微球。作为新型的防腐蚀功能材料聚苯胺主要用作涂层中的功能材料而聚苯胺纳米粒子因小尺寸效益和表面效益,在涂层中应用时,其表现更出色的屏蔽性能和防腐蚀性能。综述了各类聚苯胺纳米材料在金属表面防腐蚀涂层中的应用,并展望了聚苯胺基涂层在防腐蚀方面的研究趋势。
Polyaniline has been widely considered as one of the most useful organic conducting materials,because of that resistance to scratch and pitting corrosion.It has been widely used in the field of metal corrosion and protection.The synthesis mechanism of that by chemical oxidation polymerization was firstly discussed.The preparation methods of polyaniline nanomaterials,including polyaniline nanoparticles,polyaniline nanofibers,polyaniline nanotubes and polyaniline nanospheres were highlighted emphatically.As a new type of anti-corrosion functional materials,polyaniline can be used as functional materials of anti-corrosion coating,on account of the different quantum size effects of polyaniline nanoparticles which had more smaller size and more larger surface area.When that be used in coating,which had more excellent shielding properties and anti-corrosion performance.The application of some kinds of polyaniline nanomaterials in anti-corrosion coating on metal surface was reviewed,and prospected the research trend of polyaniline coating.
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基金资助
国家自然科学基金(21664009和51063003)
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