Characterization of a supramolecular complex based on octadecylamine and β-cyclodextrin and its corrosion inhibition properties in condensate water

被引：40
作者：
Fan, Baomin [1 ]
Wei, Gang [1 ]
Zhang, Zhan [1 ]
Qiao, Ning [1 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
CORROSION SCIENCE | 2014年 / 83卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Mild steel; AES; Acid corrosion; Anodic film; CARBON-STEEL; INCLUSION COMPLEXES; PHASE SOLUBILITY; MILD-STEEL; FILM; OIL; HCL; DERIVATIVES; PROTECTION; PRESSURE;
D O I：
10.1016/j.corsci.2014.01.043
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A supramolecular complex was synthesized based on beta-cyclodextrin (beta-CD) and octadecylamine (ODA) in n-hexane through speeding hybrid method. From the phase solubility diagram, the increased solubility of ODA in aqueous solution was observed. The data of proton nuclear magnetic resonance spectroscopy (H-1 NMR), Fourier transform infrared (FT-IR), X-ray diffraction (XRD) and differential scanning calorimeter (DSC) demonstrated the formation of supramolecular structure between beta-CD and ODA. The complex could release ODA molecules in the condensate water, which could form a monomolecular hydrophobic layer on the mild carbon steel to protect the metal by isolating the corrosive ions and dissolved oxygen. 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：75 / 85
页数：11
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