新型希夫碱酸化缓蚀剂在不同温度盐酸介质中对N80钢的缓蚀性能
Corrosion Inhibition of a Novel Schiff Base Acid Inhibitor on N80 Steel in Hydrochloric Acid Solution at Different Temperatures
摘 要
制备了一种新型希夫碱缓蚀剂1-苯基-3-(1-环己胺)-1-丙烯(PCP), 通过失重法、动电位极化扫描、电化学阻抗和扫描电镜等方法, 研究了其在不同温度下对油套管钢N80钢的缓蚀性能。结果表明, 该酸化缓蚀剂对N80钢在盐酸溶液中具有很好的缓蚀性能, 属于混合型缓蚀剂, 温度对其缓蚀效率的影响较小。
N80钢
电化学
酸化缓蚀剂
Schiff base
N80 steel
electrochemistry
acid inhibitor
Abstract
The corrosion inhibition performance of a novel Schiff base acid inhibitor 1-phenyl-3-(1-aniline)-1-propene (PCP) on N80 steel in 15% HCl solution at different temperatures was studied by weight loss, potentio-dynamic polarization, electrochemical impedance spectroscopy and SEM. The results showed that the PCP had excellent inhibition properties on N80 steel, and acted as a mixed-type inhibitor. Temperature had little effect on corrosion inhibition of PCP.
中图分类号 TG174.42
所属栏目 试验研究
基金项目 中国石油天然气集团公司“石油管应用基础研究”(No.2008D-2400)
收稿日期 2011/8/26
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备注陈长风, 教授, 博士,
引用该论文: FANG Xiao-jun,ZHANG Juan-tao,CHEN Chang-feng,BAI Zhen-quan. Corrosion Inhibition of a Novel Schiff Base Acid Inhibitor on N80 Steel in Hydrochloric Acid Solution at Different Temperatures[J]. Corrosion & Protection, 2012, 33(7): 552
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参考文献
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【2】El Sayed H El Ashry, Ahmed El Nemr, Sami A Esawy, et al. Corrosion inhibitors Part II:Quantum chemical studies on the corrosion inhibitions of steel in acidic medium by some triazole, oxadiazole and thiadiazole derivatives[J]. Electrochim.Acta, 2006, 51(19):3957-3968.
【3】SY/T 5405酸化用缓蚀剂性能试验方法及评价指标[S].
【4】Khaled K F, Babic′-Samardija K, Hackerman N. Theoretical study of the structural effects of polymethylene amines on corrosion inhibition of iron in acid solutions[J]. Electrochim Acta, 2005, 50(12):2515-2520.
【5】Zhao J, Zhang N S, Qu C T, et al. Comparison of the corrosion inhibitive effect of anaerobic and aerobic cigarette butts water extracts on N80 steel at 90 ℃ in hydrochloric acid aolution[J]. Ind Eng Chem Res, 2010, 49:12452-12460.
【2】El Sayed H El Ashry, Ahmed El Nemr, Sami A Esawy, et al. Corrosion inhibitors Part II:Quantum chemical studies on the corrosion inhibitions of steel in acidic medium by some triazole, oxadiazole and thiadiazole derivatives[J]. Electrochim.Acta, 2006, 51(19):3957-3968.
【3】SY/T 5405酸化用缓蚀剂性能试验方法及评价指标[S].
【4】Khaled K F, Babic′-Samardija K, Hackerman N. Theoretical study of the structural effects of polymethylene amines on corrosion inhibition of iron in acid solutions[J]. Electrochim Acta, 2005, 50(12):2515-2520.
【5】Zhao J, Zhang N S, Qu C T, et al. Comparison of the corrosion inhibitive effect of anaerobic and aerobic cigarette butts water extracts on N80 steel at 90 ℃ in hydrochloric acid aolution[J]. Ind Eng Chem Res, 2010, 49:12452-12460.
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