咪唑啉胍盐缓蚀剂对不锈钢的缓蚀性能研究

doi:10.11894/1005-829x.2017.37(12).060

工业水处理 ›› 2017, Vol. 37 ›› Issue (12): 60-63. doi: 10.11894/1005-829x.2017.37(12).060

咪唑啉胍盐缓蚀剂对不锈钢的缓蚀性能研究

张惠欣, 郭晓辉, 李志道, 王有臣, 王培培

河北工业大学化工学院, 天津 300130

收稿日期:2017-11-01 出版日期:2017-12-20 发布日期:2017-12-21
作者简介:张惠欣(1965-),博士,高级工程师。E-mail:zhanghuixin@hebut.edu.cn。

Research on the influences of imidazoline guanidine derivative corrosion inhibitor on the corrosion inhibition of stainless steel

Zhang Huixin, Guo Xiaohui, Li Zhidao, Wang Youchen, Wang Peipei

School of Chemistry and Chemical Engineering, Hebei University of Technology, Tianjin 300130, China

Received:2017-11-01 Online:2017-12-20 Published:2017-12-21

摘要/Abstract

摘要： 研究了咪唑啉胍盐在盐酸介质中对不锈钢的缓蚀性能，并探讨其吸附行为。结果表明，咪唑啉胍盐具有良好的缓蚀性能，缓蚀率随着缓蚀剂浓度的增加而增大。电化学实验结果表明，咪唑啉胍盐是混合型缓蚀剂，等效电路中存在电容和电感。咪唑啉胍盐在不锈钢表面的吸附符合Langmuir吸附等温方程，既包含了物理吸附又包含化学吸附。

关键词: 缓蚀, 不锈钢, 电化学, 吸附

Abstract: The influences of imidazoline guanidine derivatives(IGs)in hydrochloric acid media on the corrosion inhibiting capability for stainless steel have been investigated,and their adsorbing behavior discussed. The experimental results show that IGs has good corrosion inhibiting capability,and their corrosion inhibiting rate increases with the increase of the concentration of corrosion inhibitor. The results of electrochemical experiments show that IGs are mixed-type corrosion inhibitors,and capacitance and inductance exist in the equivalent circuit. The adsorption of IGs on the stainless steel surface complies with the Langmuir adsorption isotherm equation,including not only physical adsorption,but also chemical adsorption.

Key words: corrosion inhibition, stainless steel, electrochemistry, adsorption

中图分类号:

TQ085+.4

张惠欣, 郭晓辉, 李志道, 王有臣, 王培培. 咪唑啉胍盐缓蚀剂对不锈钢的缓蚀性能研究[J]. 工业水处理, 2017, 37(12): 60-63.

Zhang Huixin, Guo Xiaohui, Li Zhidao, Wang Youchen, Wang Peipei. Research on the influences of imidazoline guanidine derivative corrosion inhibitor on the corrosion inhibition of stainless steel[J]. INDUSTRIAL WATER TREATMENT, 2017, 37(12): 60-63.

https://www.iwt.cn/CN/Y2017/V37/I12/60

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咪唑啉胍盐缓蚀剂对不锈钢的缓蚀性能研究

Research on the influences of imidazoline guanidine derivative corrosion inhibitor on the corrosion inhibition of stainless steel

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咪唑啉胍盐缓蚀剂对不锈钢的缓蚀性能研究

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