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用量子化学半经验计算方法CNDO/2程序,研究了苯胺类缓蚀剂的电子性质与缓蚀性能的关系。结果表明质子化的胺基是苯胺衍生物与金属作用的活性部位。提出了该类分子作为酸性介质中金属缓蚀剂在铁表面形成吸附膜的作用机理。
The semi-empirical quantum chemical method CNDO / 2 was used to study the relationship between the electronic properties of aniline inhibitors and the corrosion inhibition performance. The results show that the protonated amine group is the active site of the aniline derivative and the metal. This kind of molecule is proposed as a mechanism of forming adsorption film on iron surface by metal corrosion inhibitor in acid medium.