通过量子化学计算中的密度泛函理论,在B3LYP/6-31G*水平上,计算了苯骈三氮唑(BTA)及其羧基烷基酯衍生物中N、O杂原子的电荷分布、对最高轨道的贡献以及Fukui指数,指出了在中性及酸性条件下此类缓蚀剂的反应活性位点;发现了缓蚀效率与分配系数lgP及极化率有着良好的线性关系,推测BTA及其羧基烷基酯衍生物主要是通过与金属铜表面吸附作用来影响缓蚀率的.
参考文献
[1] | Vosta J;Eliasek J .Study on corrosion inhibition from aspect of quantum chemistry[J].Corrosion Science,1971,11(04):223. |
[2] | Henry L .Review of proposed mechanisms for corrosion inhibition and passivation by metallic cation[J].Corrosion Science,1980,36(07):339-345. |
[3] | Costa J M;Lluch J M .The use of quantum mechanics calculations for the study of corrosion inhibitors[J].Corrosion Science,1984,24(11):929-933. |
[4] | G. Bereket;E. Hur;C. Ogretir .Quantum chemical studies on some imidazole derivatives as corrosion inhibitors for iron in acidic medium[J].Journal of Molecular Structure. Theochem: Applications of Theoretical Chemistry to Organic, Inorganic and Biological Problems,2002(1/3):79-88. |
[5] | Ravichandran R;Nanjundan S;Rajendran N .Effect of benzotriazole derivatives on the corrosion of brass in NaCl solutions[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2004(1/4):241-250. |
[6] | Tommesani L;Brunoro G;Frignani A et al.On the protective action of 1,2,3-benzotriazole derivative films against copper corrosion[J].Corrosion Science,1997,39(07):1221-1237. |
[7] | Huynh N;Bottle S E;Notoya T et al.Inhibition of copper corrosion by coatings of alkyl esters of carboxybenzotriazole[J].Corrosion Science,2002,44:2583-2596. |
[8] | Cruz J.;Salcedo R.;Castro M.;Martinez-Aguilera LMR. .Reactivity properties of derivatives of 2-imidazoline: An ab initio DFT study[J].International Journal of Quantum Chemistry,2001(4/5):546-556. |
[9] | Bartley J;Huynh N;Bcttle S E et al.Computer simulation of the corrosion inhibition of copper in acidic solution by alkyl esters of 5-carboxybenzotriazole[J].Corrosion Science,2003,45:81-96. |
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%