摘要
将聚苯胺与聚酯树脂、环氧树脂溶液共混制备防腐蚀涂料。用腐蚀电位时效法考察了饱和聚酯、环氧-低相对分子质量聚酰胺固化体系和环氧-二乙烯三胺固化体系中聚苯胺的加入量对防腐性能的影响。结果表明:对聚苯胺进行适当的还原处理,有利于改善其溶解性和在涂料中的分散性,提高涂层的防腐性能。涂料的最佳配方为:聚苯胺溶液中苯肼用量为1%,环氧树脂、聚酰胺固化剂和聚苯胺的质量比为1∶1∶0.06。涂覆该涂料的电极腐蚀电位可达-305 mV。
The title anticorrosive coatings was prepared by blending of polyaniline（PANI） and polyester and epoly resins. The influeuce of amount of PANI on corrosion protective performance in saturated polyester coatings, epoxy-polyamide coatings and epory-diethylene triamine coatings respectively were investigated by emloying corrosion potential aging test. The results indicate that proper reduction treatment of PANI can im- prove the solubility and dispersion of polyaniline in the coatings, thus enhance the coatings＇ anticorrosion properties. In PANI solution, the advisable addition of reductant phenylhydrazine is 1%. In the coating for- mulation, the optimum mass ratio of epoxy ： polyamide hardener ： polyaniline is 1 ： 1 ： 0. 06. The corrosion po- tential of electrode covered with this coating can be increased up to -305 mV.
出处
《涂料工业》
CAS
CSCD
2008年第7期1-3,6,共4页
Paint & Coatings Industry
关键词
聚苯胺
涂料
防腐
溶液共混
腐蚀电位
polyaniline
coatings
anticorrosion
solution blending
corrosion potential
