The research and application of polyaniline ramification including benzene ring, amino nitrogen substituted polyaniline are introduced. The structural characteristics of polyaniline ramification are analyzed.

• 摘要介绍了聚苯胺苯环上和氨基氮上取代或改性两大类衍生物，分析了衍生物的结构，对其研究和应用作了简要综述。