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新型恶二唑类缓蚀剂的合成及其缓蚀性能 被引量：3

CORROSION INHIBITIVE EFFECT OF SUBSTITUTED OXADIAZOLE FOR CARBON STEEL IN HYDROCHLORIC ACID SOLUTION
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摘要 合成了一种恶二唑类缓蚀剂2,5—(2—十一烷基)—1,3,4恶二唑(简称HOX),对其进行了表征,并采用静态失重法、动电位极化和电化学阻抗谱(EIS)研究其在HCl介质中对Q235钢的缓蚀作用。研究表明,所合成的恶二唑类化合物是一种性能优异的混合控制型酸性碳钢缓蚀剂,其在碳钢表面的吸附符合Langmuir吸附模型。 New Corrosion inhibitor named 2,5-bis （2-hendecyl）-1,3,4-oxadiazole （HOX） was synthesized and characterized.Its inhibiting behavior for carbon steel in 1mol/L and 2 mol/L hydrochloric acid was investigated by means of weight loss, potentiodynamic polarization curves and electrochemical impedance methods. The results show that it behaves excellent as inhibitor at very low concentration. HOX suppressed both cathodic and anodic processes of steel corrosion in 1 mol/L and 2 mol/L HC1 solution by chemisorption on steel surface. It also indicates the adsorption is according to a Langmuir isotherm adsorption model.
作者 涂继军 付朝阳 王丽荣 梁源 郑家燊
机构地区 华中科技大学化学系材料化学与服役失效湖北省重点实验室
出处 《中国腐蚀与防护学报》 CAS CSCD 北大核心 2008年第1期44-47,共4页 Journal of Chinese Society For Corrosion and Protection
关键词 恶二唑 缓蚀剂 碳钢 oxadiazole, corrosion inhibitor, carbon steel
分类号 TG174 [金属学及工艺—金属表面处理]
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参考文献7

  • 1Bentiss F, Traisnel M, Lagrenee M. The substituted 1,3,4-oxadiazoles: a new class of corrosion inhibitors of mild steel in acidic media[J]. Corros. Sci., 2000, 42,127-146.
  • 2Bentiss F, Traisnel M,Chaibi N. 2,5-Bis(n-methoxyphenyl)-1,3, 4-oxadiazoles used as corrosion inhibitors in acidic media:correlation between inhibition efficiency and chemical structure[J]. Corros. Sci., 2002,44,2271-2289.
  • 3El Mehdi B, Memari B, Traisnel M, et al. Synthesis and comparative study of the inhibitive effect of some new triazole derivatives towards corrosion of mild steel in hydrochloric acid solution [J]. Corros. Sci., 2002,77,489-496.
  • 4Bentiss F, Traisnel M, Vezin H, et al. Linear resistance model of the inhibition mechanism of steel in HCI by triazole and oxadiazole derivatives: structure-activity correlations [J]. Corros. Sci., 2003,45,371-380.
  • 5Bentiss F,Traisnel M,Vezin H,et al.2,.5-Bis(4-dimethylaminophenyl) -1,3A-oxadiazol and 2,5-Bis (4-dimethylaminophenyl)-1,3,4- thiadiasole as corrosion inhibitors for mild steel in acidic media [J]. Corros. Sci., 2004,46,2781-2792.
  • 6Lagrenee M, Memari B, Chaibi N, et al. Investigation of the inhibitive effect of substituted oxadiazoles on the corrosion of mild steel in HCI medium [J]. Corros. Sci.,2001,43,951-962.
  • 7王慧龙,辛剑,范洪波,郑家燊.新型巯基三唑化合物对HCl介质中碳钢的缓蚀作用研究[J].中国腐蚀与防护学报,2004,24(5):306-310. 被引量：12

二级参考文献12

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中国腐蚀与防护学报
2008年 第1期

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