合成了新型席夫碱缓蚀剂:水杨醛缩氨基硫脲(ST),并考察了其在1 mol/L盐酸溶液中对碳钢的缓蚀性能.通过静态失重、动电位极化曲线、交流阻抗等技术手段研究缓蚀剂浓度对腐蚀速率及缓蚀效率的影响,阐明缓蚀作用机理.结果表明,ST在盐酸介质中对碳钢具有良好的缓蚀性能.随着缓蚀剂浓度的增加,缓蚀效率逐渐增大.ST的加入显著降低了自腐蚀电流密度,为抑制阴极反应为主的缓蚀剂.ST在碳钢表面的吸附符合Langmuir吸附模型,为物理吸附与化学吸附共同作用.
参考文献
| [1] | Kaan C. Emreguel;Ece Duezguen;Orhan Atakol.The application of some polydentate Schiff base compounds containing aminic nitrogens as corrosion inhibitors for mild steel in acidic media[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,200610(10):3243-3260. |
| [2] | M. G. Hosseini;M. Ehteshamzadeh;T. Shahrabi.Protection of mild steel corrosion with Schiff bases in 0.5 M H{sub}2SO{sub}4 solution[J].Electrochimica Acta,200711(11):3680-3685. |
| [3] | Corrosion inhibition of mild steel in hydrochloric acid solution by Schiff base furoin thiosemicarbazone[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,20101(1):224. |
| [4] | T. Poornima;Jagannath Nayak;A. Nityananda Shetty.Effect of 4-(N,N-diethylamino)benzaldehyde thiosemicarbazone on the corrosion of aged 18 Ni 250 grade maraging steel in phosphoric acid solution[J].Corrosion Science,201111(11):3688-3696. |
| [5] | Punita Mourya;Sitashree Banerjee;Rashmi Bala Rastogi.Inhibition of Mild Steel Corrosion in Hydrochloric and Sulfuric Acid Media Using a Thiosemicarbazone Derivative[J].Industrial & Engineering Chemistry Research,201336(36):12733-12747. |
| [6] | 徐斌;刘瑛;尹晓爽;杨文忠.2-吡啶甲醛缩氨基硫脲席夫碱在HCl溶液中对Q235钢的缓蚀作用[J].腐蚀与防护,2013(7):569-572. |
| [7] | Bin Xu;Ying Liu;Xiaoshuang Yin;Wenzhong Yang;Yizhong Chen.Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2013Sep.(Sep.):206-213. |
| [8] | 徐斌;刘瑛;尹晓爽;杨文忠.盐酸介质中异烟醛缩氨基硫脲对Q235钢缓蚀性能的研究[J].腐蚀科学与防护技术,2013(4):303-307. |
| [9] | M.A. Hegazy;A.M. Badawi;S.S. Abd El Rehim;W.M. Kamel.Corrosion inhibition of carbon steel using novel N-(2-(2-mercaptoacetoxy)ethyl)- N,N-dimethyl dodecan-1-aminium bromide during acid pickling[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2013Apr.(Apr.):110-122. |
| [10] | 谢彦;阴军英;刘元伟;杨仲年;张凤玲.红茶提取液在盐酸中对碳钢的缓蚀作用[J].应用化学,2014(4):469-473. |
| [11] | AH Doener;Ramazan Solmaz;Muzaffer OEzcan;Gü lfeza Kardas.Experimental and theoretical studies of thiazoles as corrosion inhibitors for mild steel in sulphuric acid solution[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,20119(9):2902-2913. |
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%