采用重量法和电化学阻抗谱法考察了两种环氧涂层的吸水性和防腐蚀作用.结果表明水在涂层中的扩散可以分为两个过程,分别作用于提高涂层的离子导电性和降低涂层在金属表面粘结性.涂层的吸水性对金属/涂层界面行为有重要的影响,从而影响涂层的防腐蚀性能.以吗啉Mannich碱固化的环氧涂层在涂层/金属界面的憎水性有所提高,具有较好的防腐蚀能力.
参考文献
| [1] | Zhang S Y;Zhou W F;Luo X W.Evaluation of thin defect-free epo xy coatings using electrochemical impedance spectroscope[J].Journal of Applied Electrochemistry,1998(28):1277. |
| [2] | Frechette E;Compere C;Ghali E.Evaluation of the corrosion resistan ce of painted steels by impedance measurements[J].Corrosion Science,1992(33):1067. |
| [3] | 高立新,张大全,陆柱.含吗啉单元的二元胺型气相防锈剂的研究[J].材料保护,2000(06):39. |
| [4] | Mansfeld F. .USE OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY FOR THE STUDY OF CORROSION PROTECTION BY POLYMER COATINGS [Review][J].Journal of Applied Electrochemistry,1995(3):187-202. |
| [5] | Darowicki K.The application of impedance measurements for the deter mination of the probability of the course of corrosion processes[J].Corrosion Science,1997(39):1087. |
| [6] | Drflorian F;Fedrizzi L;Bonora P L.Influence of water uptake on corr osion protection properties of fluoropolymer coatings[J].British Corrosion Journal,1997(32):145. |
| [7] | 张肇英,黄玉惠,廖兵,丛广民.化学改性环氧树脂水基涂料的研究--涂膜性能[J].应用化学,2000(01):57-59. |
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%