Study on corrosion inhibition of Q235 steel in HCl solution by 5,7,7,12,14,14-hexamethy1-1,4,8,11-tetraazacyclotetradeca-4,11-diene diperchlorate

被引：5
作者：
Gou, Wan [1 ]
Lai, Chuan [1 ,2 ]
Xiang, Zhen [2 ]
机构：
[1] Sichuan Univ Arts & Sci, Sch Chem & Chem Engn, Eastern Sichuan Subctr, Natl Engn Res Ctr Municipal Wastewater Treatment, Dazhou 635000, Peoples R China
[2] Sichuan Univ Sci & Engn, Coll Chem & Environm Engn, Mat Corros & Protect Key Lab Sichuan Prov, Zigong 643000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 11期
关键词：
Macrocyclic; Corrosion; Inhibitor; Polarization; Adsorption; MILD-STEEL;
D O I：
10.20964/2017.11.50
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The corrosion inhibition of Q235 steel in HCl solution by 5,7,7,12,14,14-hexamethy1-1,4,8,11-tetraaz-acyclotetradeca-4,11-diene diperchlorate (HMTADE-2HClO(4)) has been studied using potentiodynamic polarization, weight loss measurement and microstructure analysis. Measurements results suggest that HMTADE-2HClO(4) is an effective mixed-type inhibitor, the inhibition efficiency increase with HMTADE-2HClO(4) concentration increasing, decrease with temperature and HCl concentration increasing, and slightly fluctuate with storage time changing. The experimental results are further suggest that the adsorption of HMTADE-2HClO(4) on Q235 steel surface obeys Langmuir isotherm, which is a mixed adsorption involving both physisorption and chemisorption.
引用
收藏
页码：9983 / 9993
页数：11
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