化工进展

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三苯环咪唑啉季铵盐的合成及在HCl中的缓蚀性能评价

邱 海 燕   

  1. 西南石油大学化学化工学院
  • 出版日期:2010-08-05 发布日期:2010-08-05

Synthesis of the triphenyl-imidazoline quaternary-ammonium-salt and
corrosion inhibition performance in hydrogen chloride solution

QIU Haiyan   

  1. School of Chemistry and Chemical Engineering,Southwest Petroleum University
  • Online:2010-08-05 Published:2010-08-05

摘要: 以苯甲酸、三乙烯四胺、氯化苄为原料合成了3个苯环的咪唑啉季铵盐,用静态失重法和电化学法研究了该缓蚀剂在HCl中的缓蚀性能。实验结果表明,该合成缓蚀剂用量在1.0%(质量分数)时,缓蚀率达到99%以上,且是以阴极型为主的复合型缓蚀剂。

Abstract: A triphenyl-imidazoline quaternary-ammonium-salt was synthesized from benzoic acid,triethylenetetramine and benzyl chloride. Corrosion inhibition performance was tested by static weight loss method and electrochemical test in HCl solution. Results showed that the corrosion-inhibition rate of the imidazoline quaternary–ammonium-salt with 1.0% concentration was above 99.0%. The synthesized quaternary–ammonium-salt was proved to be a cathode-based mixed-type inhibitor.

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