2-(4-吡啶基)苯并咪唑对碳钢的缓蚀行为
Corrosion Inhibition of 2-(4-pyridyl)-benzimidazole for Carbon Steel
摘 要
采用失重法、极化曲线和电化学阻抗谱(EIS)等方法对2-(4-吡啶基)苯并咪唑(PBI)在盐酸体系中对碳钢的缓蚀行为进行了研究。结果表明, PBI对碳钢的腐蚀具有优良的抑制作用, 其缓蚀效率随着缓蚀剂浓度的增大而升高, 随着温度升高和盐酸浓度增大而下降。PBI能够自发吸附在碳钢表面, 其吸附遵循Langmuir吸附等温式。
动电位极化
EIS
缓蚀剂
2-(4-吡啶基)苯并咪唑
carbon steel
potentiodynamic polarization
EIS
corrosion inhibitor
2-(4-pyridyl)-benzimidazole
Abstract
Weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) were used to investigate the corrosion inhibition of 2-(4-pyridyl)-benzimidazole (PBI) for carbon steel in hydrochloric acid. It is found that the inhibition efficiency of PBI increases with the increase of the concentration of PBI, and decreases with the increase in the temperature and concentration of hydrochloric acid. PBI is adsorbed on the surface of carbon steel spontaneously, and the adsorption of PBI obeys Langmuir isotherm.
中图分类号 TG174.42
所属栏目 试验研究
基金项目
收稿日期 2012/3/7
修改稿日期
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备注唐永明, 副教授, 博士,
引用该论文: SONG Li,ZHANG Fan,WANG Hai-ping,YU Zhi-rong,TANG Yong-ming. Corrosion Inhibition of 2-(4-pyridyl)-benzimidazole for Carbon Steel[J]. Corrosion & Protection, 2013, 34(2): 142
被引情况:
【1】苏铁军,李克华,罗运柏,习伟, "盐酸介质中APPB对A3钢的缓蚀作用",腐蚀与防护 36, 629-634(2015)
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参考文献
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【3】周晓湘, 刘建平.酸洗缓蚀剂的应用研究现状及发展趋势[J].工业水处理.2002, 22 (1):16-19.
【4】Obot I B, Obi-Egbedi N O. Acenaphtho [1, 2-b] quinoxaline as a novel corrosion inhibitor for mild steel in 0.5 M H2SO4[J].Corrosion Science.2010, 52(3):923-926.
【5】史志龙, 庞正智.新型铜酸洗缓蚀剂烷基苯并咪唑的研究[J].北京化工大学学报.2002, 9 (2) :52-54.
【6】沈建, 余鼎声, 庞正智.苯并咪唑类化合物作为碳钢缓蚀剂的研究[J].北京化工大学学报.2005, 32(4):110-112.
【7】Ramesh S, Rajeswari S. Corrosion inhibition of mild steel in neutral aqueous solution by new triazole derivatives[J].Electrochimica Acta.2004, 49(5):811-820.
【8】El-Achouri M, Ketit S. Corrosion inhibition of iron in 1 M HCl by some gemini surfactants in the series of alkanediyl-α, ω-bis-(dimethyl tetradecyl ammonium bromide)[J].Progress in Organic Coatings.2001, 43(4):267-273.
【9】Amar H, Tounsi A, Makayssi A, et al. Corrosion inhibition of Armco iron by 2-mercaptobenzimidazole in sodium chloride 3% media[J].Corrosion Science.2007, 49(7):2936-2945.
【10】Gülsen A. Corrosion inhibition of indole-3-acetic acid on mild steel in 0.5 M HCl[J].Colloids and Surface A:Physicochemical Engineering Aspects.2008, 317(1/3):730-736.
【11】Wang X, Yang H, Wang F. An investigation of benzimidazole derivative as corrosion inhibitor for mild steel in different concentration HCl solutions[J].Corrosion Science.2011, 53(1):113-121.
【12】Aljourani J, Raeissi K, Golozar M A. Benzimidazole and its derivatives as corrosion inhibitors for mild steel in 1M HCl solution[J].Corrosion Science.2009, 51(8):1836-1843.
【13】Tang Y, Yang X, Yang W, et al. A preliminary investigation of corrosion inhibition of mild steel in 0.5 M H2SO4 by 2-amino-5-(n-pyridyl)-1, 3, 4-thiadiazole:polarization, EIS and molecular dynamics simulations[J].Corrosion Science.2010, 52(5):1801-1808.
【14】Solmaz R, Kardas G, Culha M, et al. Investigation of adsorption and inhibitive effect of 2-mercaptothiazoline on corrosion of mild steel in hydrochloric acid media[J].Electrochimica Acta.2008, 53(20):5941-5952.
【15】Martinez S, tern I.Inhibitory mechanism of low-carbon steel corrosion by mimosa tannin in sulphuric acid solutions[J].Journal of Applied Electrochemistry.2001, 31(9):973-978.
【16】Rehim S S A E, Ibrahim M A M, Khaled K F.The inhibition of 4-(2′-amino-5′-methylphenylazo) antipyrine on corrosion of mild steel in HCl solution[J].Materials Chemistry and Physics.2001, 70(3):268-273.
【17】Oguzie E E, Onuoha G N, Onuchukwu A I.Inhibitory mechanism of mild steel corrosion in 2 M sulphuric acid solution by methylene blue dye[J].Materials Chemistry and Physics.2005, 89(2/3):305-311.
【18】Morad M S, El-Deana A M K.2, 2′-Dithiobis(3-cyano-4, 6-dimethylpyridine):A new class of acid corrosion inhibitors for mild steel[J].Corrosion Science.2006, 48(11):3398-3412.
【19】付惠, 李向红, 邓书端, 等.核桃叶提取物在盐酸介质中对钢的缓蚀性能[J].腐蚀与防护, 2012, 33(1): 20-22.
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