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电化学(中英文) ›› 2009, Vol. 15 ›› Issue (3): 264-268.  doi: 10.61558/2993-074X.1992

• 研究论文 • 上一篇    下一篇

DTAB-KTL复合添加剂抑制锌电极腐蚀的协同效应

林胜舟;蔡增鑫;王贵生;周合兵;李伟善;   

  1. 华南师范大学化学与环境学院;广东高校电化学储能与发电技术重点实验室;华南理工大学材料科学与工程学院;
  • 收稿日期:2009-08-28 修回日期:2009-08-28 出版日期:2009-08-28 发布日期:2009-08-28

Synergism of Complex Additives of DTAB+KTL for Zinc Corrosion Inhibition in KOH Solutions

LIN Sheng-zhou1,CAI Zeng-xin1,WANG Gui-sheng1,ZHOU He-bing2,3,LI Wei-shan1,2   

  1. (1. School of Chemistry &Environment,South China Normal University,Guangzhou510006,China;2. Key Lab of Technology on Electrochemical Energy Storage and Power Generationin Guangdong Universities,Guangzhou510631,China;3. College of Materials Science and Engineering,South China University of Technology,Guangzhou510641,China
  • Received:2009-08-28 Revised:2009-08-28 Published:2009-08-28 Online:2009-08-28

摘要: 应用失重法、电化学方法、扫描电镜等研究十二烷基三甲基溴化铵(DTAB)、咳特灵(KTL)复合添加剂抑制锌在KOH(3mol/L)溶液的缓蚀作用.结果表明:与单一添加剂相比,DTAB-KTL复合添加剂缓蚀效果更好.由于二者的协同效应,使KTL更容易吸附在锌电极DTAB表面,提高缓蚀作用.

关键词: 复合添加剂, 锌, 腐蚀, 协同效应

Abstract: The electrochemical behaviors of Zn in 3mol/L KOH solution containing several kinds of inhibitors were investigated by weight-loss,electrochemical methods and SEM. The results showed that both the single ad-ditive and the mixed additives can suppress the corrosion of zinc in 3 mol/LKOH solution. And the inhibition ef-feciency of the mixed additives is higher than that of any single additive because of the synergistic effect between KTL and DTAB. The adsorption of DTAB on the surface of zinc has been enhanced in the presence of KTL.

Key words: complex additives, zinc, corrosion, synergism

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