The anticorrosion mechanism is proposed such as shied, the passivation of metal surface and the separation of partial cathodic and anodic reaction.

• 聚苯胺复合防腐涂层的制备方法包括涂层复合和共混复合两种方式，其防腐机理主要是有良好的屏蔽作用、钝化作用和阴阳极反应分离作用。