将化学聚合所得的聚苯胺(PANI)粉末分散于羟基丙烯酸树脂中,可制备出粘接力强、有一定导电性的防腐蚀涂料.通过测量不同PANI含量涂层的开路电位、自腐蚀电流及涂层的交流阻抗谱随时间的变化,研究了聚苯胺含量对涂层防蚀性的影响.结果表明,聚苯胺含量过高或过低,涂层的防蚀性均不佳,只有当聚苯胺含量为10%～15%时,涂层的防蚀性最好.基于不同PANI含量的涂层经不同浸泡时间后等效电路的变化,探讨了聚苯胺的防腐蚀机制.
参考文献
| [1] | Deberry D W .Modification of the electrochemical and corrosion behavior of stainless steels with an electroactive coating[J].Journal of the Electrochemical Society,1985,132:1022-1026. |
| [2] | Mcandrew T P .Corrosion prevention with electrically conductive polymers[J].Trends in Polymer Science,1997,5(01):7-11. |
| [3] | Hua Zhua;Lian Zhonga;Shuhu Xiaoa;Fuxing Gan .Accelerating effect and mechanism of passivation of polyaniline on ferrous metals[J].Electrochimica Acta,2004(28):5161-5166. |
| [4] | Bernhard Wessling;Joerg Posdorfer .Corrosion prevention with an organic metal (polyaniline): corrosion test results[J].Electrochimica Acta,1999(12):2139-2147. |
| [5] | Talo A.;Forsen O.;Ylasaari S.;Passiniemi P. .POLYANILINE/EPOXY COATINGS WITH GOOD ANTI-CORROSION PROPERTIES[J].Synthetic Metals,1997(1/3):1333-1334. |
| [6] | Fahlman M.;Epstein AJ.;Jasty S. .CORROSION PROTECTION OF IRON/STEEL BY EMERALDINE BASE POLYANILINE - AN X-RAY PHOTOELECTRON SPECTROSCOPY STUDY[J].Synthetic Metals,1997(1/3):1323-1326. |
| [7] | Li P.;Lee JY.;Tan TC. .CORROSION PROTECTION OF MILD STEEL BY ELECTROACTIVE POLYANILINE COATINGS[J].Synthetic Metals,1997(3):237-242. |
| [8] | S.P. Sitaram;J.O. Staffer;T.J. O'Keefe .Application of Conducting Polymers in Corrosion Protection[J].Journal of Coating Technology,1997(866):65-69. |
| [9] | Lu WK.;Wessling B.;Elsenbaumer RL. .CORROSION PROTECTION OF MILD STEEL BY COATINGS CONTAINING POLYANILINE[J].Synthetic Metals,1995(1/3):2163-2166. |
| [10] | 朱华 .导电高分子材料腐蚀电化学基础研究[D].武汉大学,2004. |
| [11] | Kinlen PJ.;Jeffreys CR.;Silverman DC. .CORROSION PROTECTION USING POLYANILINE COATING FORMULATIONS[J].Synthetic Metals,1997(1/3):1327-1332. |
| [12] | 张鉴清;曹楚南 .电化学阻抗谱方法研究评价有机涂层[J].腐蚀与防护,1998,19(03):99. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%