缓蚀剂分子在金属表面自组装成膜是金属防腐的一种重要方法.选用2,2'-联吡啶-5,5'-二羧酸盐(bpydc)作为缓蚀剂,通过自组装法在铁电极表面形成保护膜.利用电化学法和理论计算相结合,从宏观和微观两个层面研究bpydc在铁电极表面的缓蚀效能以及作用机理.结果表明,bpydc对铁的缓蚀效率达到90.93％,属于阳极型缓蚀剂.理论计算证明bpydc符合优异缓蚀剂的标准,分子中羧基氧原子具有较负的电荷更易吸附在铁电极表面,与全反射红外光谱测试结果一致.
参考文献
| [1] | Iron-Based Catalysts with Improved Oxygen Reduction Activity in Polymer Electrolyte Fuel Cells[J].Science,2009Apr.3 TN.5923(Apr.3 TN.5923):71. |
| [2] | Lijun Zhang;Ying Wen;Yingcheng Pan;Haifeng Yang.2-Amino-5-(4-pyridinyl)-l,3,4-thiadiazole film at the silver surface: Observation by Raman spectroscopy and electrochemical methods[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,201115(15):6347-6352. |
| [3] | A. Khamis;Mahmoud M. Saleh;Mohamed I. Awad;B.E. El-Anadouli.Enhancing the inhibition action of cationic surfactant with sodium halides for mild steel in 0.5 M H_2S0_4[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2013Sep.(Sep.):83-91. |
| [4] | G. Moretti;F. Guidi, F. Fabris.Corrosion inhibition of the mild steel in 0.5 M HC1 by 2-butyl-hexahydropyrrolo[l,2-b][l,2]oxazole[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2013Nov.(Nov.):206-218. |
| [5] | Zuhair M. Gasem;Ime B. Obot;Saviour A. Umoren.Natural Products for Material Protection: Inhibition of Mild Steel Corrosion by Date Palm Seed Extracts in Acidic Media[J].Industrial & Engineering Chemistry Research,201342(42):14855-14865. |
| [6] | H. Tian;W. Li;K. Cao;B. Hou.Potent inhibition of copper corrosion in neutral chloride media by novel non-toxic thiadiazole derivatives[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2013Aug.(Aug.):281-291. |
| [7] | Hong Ju;Zhen-Peng Kai;Yan Li.Aminic nitrogen-bearing polydentate Schiff base compounds as corrosion inhibitors for iron in acidic media: A quantum chemical calculation[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,20083(3):865-871. |
| [8] | El Sayed H. El Ashry;Ahmed El Nemr;Sami A. Esawy;Safaa Ragab.Corrosion inhibitors, Part II: Quantum chemical studies on the corrosion inhibitions of steel in acidic medium by some triazole, oxadiazole and thiadiazole derivatives[J].Electrochimica Acta,200619(19):3957-3968. |
| [9] | 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. |
| [10] | Ting Ting Qin;Jun Li;Hong Qun Luo;Ming Li;Nian Bing Li.Corrosion inhibition of copper by 2,5-dimercapto-l,3,4-thiadiazole monolayer in acidic solution[J].Corrosion Science,20113(3):1072-1078. |
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%