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题名: Green Bronsted acid ionic liquids as novel corrosion inhibitors for carbon steel in acidic medium
作者: Cao, Shuyun1;  Liu, Dan2;  Zhang, Peng1;  Yang, Lixia1;  Yang, Peng3;  Lu, Hui4;  Gui, Jianzhou1, 2
刊名: SCIENTIFIC REPORTS
发表日期: 2017-08-18
DOI: 10.1038/s41598-017-07925-y
卷: 7
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: New ionic liquids with multiple Bronsted acid sites were synthesized in >= 98% yield, and their inhibiting properties for the corrosion of carbon steel in 0.5 M HCl solution had been evaluated using electrochemical impedance spectroscopy, potentiodynamic polarization and weight loss method, finally the possible inhibiting mechanism was proposed according to UV-visible spectroscopic measurements and surface analysis including SEM and XPS techniques. The designed cation structure of Bronsted acid ionic liquids (BAILs), with one phenyl and two imidazolium rings, makes them good mixed-type inhibitors via the adsorption of BAILs on the steel surface to suppress both anodic and cathodic processes, obeying Langmuir adsorption isotherm. As potential acid catalysts, BAILs show nice corrosion inhibiting performance in acidic medium regardless of their Bronsted acidity, which is of great significance to enlarge the industry applications of BAILs.
关键词[WOS]: MILD-STEEL ;  HCL SOLUTION ;  BEHAVIOR ;  DERIVATIVES ;  BENZIMIDAZOLE ;  H2SO4 ;  POLARIZATION ;  IMIDAZOLIUM ;  ADSORPTION ;  MECHANISM
语种: 英语
WOS记录号: WOS:000407980000027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149873
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Tianjin Polytech Univ, Sch Mat Sci & Engn, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
2.Tianjin Polytech Univ, Sch Environm & Chem Engn, Tianjin 300387, Peoples R China
3.Shenyang Pharmaceut Univ, Minist Educ, Key Lab Struct Based Drug Design & Discovery, Shenyang 110016, Liaoning, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Cao, Shuyun,Liu, Dan,Zhang, Peng,et al. Green Bronsted acid ionic liquids as novel corrosion inhibitors for carbon steel in acidic medium[J]. SCIENTIFIC REPORTS,2017,7.
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