为了制备性能优异的环氧涂料,选择导电聚苯胺(PANI)作为防腐填料,通过正交实验筛选了涂料配方;运用交流阻抗讨论了浸泡温度、时间和CO2分压等因素对涂层电化学性能的影响.实验结果表明:筛选出的涂料配方为环氧树脂含量36.90％(质量分数,下同)、聚苯胺含量为0.37％、聚酰胺含量为29.52％、其他填料含量为33.21％时所制得的涂层附着力为1级、硬度为6H、耐冲击性为45 cm;随着浸泡时间的增加,涂层的腐蚀速率先增加后减小;浸泡温度从35℃升高到80℃时,涂层的腐蚀加剧;在7 MPa CO2和1 g/L硫化钠条件下,涂层主要发生的是硫离子腐蚀.
参考文献
| [1] | Pragyan Mohan .A Critical Review: The Modification, Properties, and Applications of Epoxy Resins[J].Polymer-Plastics Technology and Engineering,2013(1/3):107-125. |
| [2] | Hui Zhang;Hui Zhang;Longcheng Tang;Gang Liu;Daijun Zhang;Lingyun Zhou;Zhong Zhang .The Effects of Alumina Nanofillers on Mechanical Properties of High-Performance Epoxy Resin[J].Journal of nanoscience and nanotechnology,2010(11):7526-7532. |
| [3] | Olad, A.;Barati, M.;Behboudi, S. .Preparation of PANI/epoxy/Zn nanocomposite using Zn nanoparticles and epoxy resin as additives and investigation of its corrosion protection behavior on iron[J].Progress in Organic Coatings: An International Review Journal,2012(1):221-227. |
| [4] | Akbarinezhad, E.;Ebrahimi, M.;Sharif, F.;Attar, M.M.;Faridi, H.R. .Synthesis and evaluating corrosion protection effects of emeraldine base PAni/clay nanocomposite as a barrier pigment in zinc-rich ethyl silicate primer[J].Progress in Organic Coatings: An International Review Journal,2011(1):39-44. |
| [5] | TUNCAY OZYILMAZ A;ABDURRAHMAN AKDAG;HAKKI KARAHAN I .The influence of polyaniline(PANI) coating on corrosion behavior of zinc-cobalt coated carbon steel electrode[J].Progress in organic Coatings,2013,76(6):993-997. |
| [6] | 王金淑,杨伟超,李洪义,邹晨,孙果宋,黄科林,郭秋宁.聚苯胺防腐蚀涂料的发展[J].北京工业大学学报,2008(11):1196-1201. |
| [7] | 张鉴清.电化学测试技术[M].北京:化学工业出版社,2010 |
| [8] | Diniz, F.B.;De Andrade, G.F.;Martins, C.R.;De Azevedo, W.M. .A comparative study of epoxy and polyurethane based coatings containing polyaniline-DBSA pigments for corrosion protection on mild steel[J].Progress in Organic Coatings: An International Review Journal,2013(5):912-916. |
| [9] | Kalendova A;Vesely D;Sapurina I;Stejskal J .Anticorrosion efficiency of organic coatings depending on the pigment volume concentration of polyaniline phosphate[J].Progress in Organic Coatings: An International Review Journal,2008(2):228-237. |
| [10] | 王娜,程克奇,吴航,王福会.导电聚苯胺/水性环氧树脂防腐涂料的制备及防腐性能[J].材料研究学报,2013(04):432-438. |
| [11] | 王淑清,卢向雨,左禹,唐聿明,赵旭辉.环氧带锈涂层在干湿交替环境中失效过程的电化学阻抗谱[J].化工学报,2012(11):3625-3631. |
| [12] | Akbarinezhad, E;Ebrahimi, M;Faridi, HR .Corrosion inhibition of steel in sodium chloride solution by undoped polyaniline epoxy blend coating[J].Progress in Organic Coatings,2009(4):361-364. |
| [13] | Corrosion protection of Mg-5Li alloy with epoxy coatings containing polyaniline[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2009(12):2906. |
| [14] | 孙晓华,高瑾,郭为民,程文华,李晓刚.海水温度对深海用环氧涂层防护性能的影响[J].北京科技大学学报,2011(05):570-574. |
| [15] | Krakovsky, I.;Varga, M.;Gallego Ferrer, G.;Sabater I Serra, R.;Salmerón-Sánchez, M. .Structure and properties of epoxy/polyaniline nanocomposites[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2012(2):414-419. |
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%