将聚苯胺水性微乳液和环氧树脂共混作为底漆、与环氧树脂面漆复合制成防腐涂料,采用开路电位法评价复合涂层的防腐性能.结果表明,合成聚苯胺水性微乳液所使用的酸介质、聚苯胺乳液的用量和腐蚀介质等对涂层的防腐性能均有影响.以十二烷基苯磺酸(DBSA)为酸性介质合成的聚苯胺水性微乳液,当其用量为50%时,复合涂料的防腐性能最佳,与裸露钢板相比,该复合涂层的平衡开路电位可提高245 mV左右.该复合涂料不使用任何有机溶剂,是一种环境友好型绿色涂料.
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