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中国腐蚀与防护学报  1999, Vol. 19 Issue (6): 363-366     
  研究简报 本期目录 | 过刊浏览 |
2-巯基苯并恶唑对铜缓蚀作用的电化学研究
严川伟;林海潮;曹楚南
中科院金属腐蚀与防护研究所
ELECTROCHEMICAL INVESTIGATION OF INHIBITION OF 2-MERCAPTOBENZOXAZOLE(MBO) FOR COPPER CORROSION
Chuanwei Yan;;;
中科院金属腐蚀与防护研究所
全文: PDF(102 KB)  
摘要: 用电化学方法考察研究了2-巯基苯并恶唑(MBO)在3%NaCl溶液中对铜的缓蚀性能。MBO同时抑制阴极和阳极过程。缓蚀效率与MBO浓度、铜样品在含MBO的溶液中预浸泡时间以及该溶液的腐蚀性有关。当铜样品在MBO饱和(1mmol/L)的3%NaCl中处理20h以上,缓蚀率达到约99%,而处理介质不含NaCl时则缓蚀率低得多。因此,MBO缓蚀膜的生成与铜本身的腐蚀过程有关。
关键词 2-巯基苯并恶唑缓蚀腐蚀电化学    
Abstract:The inhibition of 2-Mercaptobenzoxazole (MBO) against copper corrosion in 3% NaCl solution was investigated by means of potentiodynamic polarization measurements.MBO hindered both the anodic and cathosic reactions,especially reduced enormously anodic corrosion current in relative broad potential range.Its inhibition efficiency was dependent on MBO concentration,the corrosivity of the medium in which the inhibitive film formed and the duration when copper samples were immersed in the medium containing MBO.The inhibitive film formed in the MBO solution containing sodium chloride possessed much higher inhibitive film formed in the MBO solution containing sodium chloride possessed much higher inhibition capacity than that formed in plain MBO solution.An inhibition efficiency of about 99% could be obtained by immersing Cu sample in 3% NaCl + 1mmol/L MBO for above 20h. With the formation of the inhibitive film on copper surface,mass gain could be measured by quartz crystal microbalance (QCM).It is concluded that the inhibition of MBO is related to the corrosion of copper.
Key words2-mercaptobenzoxazole(MBO)    inhibition    copper    corrosion    electrochemistry
收稿日期: 1998-12-18     
通讯作者: 严川伟   
Corresponding author: Chuanwei Yan   

引用本文:

严川伟; 林海潮; 曹楚南 . 2-巯基苯并恶唑对铜缓蚀作用的电化学研究[J]. 中国腐蚀与防护学报, 1999, 19(6): 363-366 .
Chuanwei Yan. ELECTROCHEMICAL INVESTIGATION OF INHIBITION OF 2-MERCAPTOBENZOXAZOLE(MBO) FOR COPPER CORROSION. J Chin Soc Corr Pro, 1999, 19(6): 363-366 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y1999/V19/I6/363

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