金属缓蚀剂Langmuir-Blodgett膜及缓蚀机理的研究

中国腐蚀与防护学报

1995, Vol. 15

Issue (1): 1-6

研究报告

本期目录 | 过刊浏览

金属缓蚀剂Langmuir-Blodgett膜及缓蚀机理的研究

邢巍;郭渡;单义斌;陆天虹;席时权

中国科学院长春应用化学研究所

LANGMUIR-BLODGETT FILM OF INHIBITOR AND ITS USE FOR THE INVESTIGATION OF INHIBITION MECHANISM

Xing Wei; Guo Du; Shan Yibin; Lu Tianhong; Xi Shiquan(Changchun Institute of Applied Chemistry; Chinese Academy of Sciences)

全文: PDF(581 KB)

摘要: 应用Ｌａｎｇｍｕｉｒ－Ｂｌｏｄｇｅｔｔ（ＬＢ）技术研究了硬脂酸和十六烷基三甲基溴化胶等金属缓蚀剂在碳钢电极上的取向。单分子膜覆盖层数及分子结构对其缓蚀作用的影响．在实验技术上实现了对缓蚀剂表面膜在分子规模上的控制，文中讨论了这两种缓蚀剂的缓蚀机理．

关键词 ：Ｌａｎｇｍｕｉｒ－Ｂｌｏｄｇｅｔｔ膜, 金属缓蚀剂, 硬脂酸, 季胺盐

Abstract：The langmuir-blodgett (LB) technique was used to investigate the inhibition of both stearic acid (SA) and hexadecyltrimethyl ammonium bromide (HTAB) in neutral and acidic media. The microstructure of inhibitor-formed film might be controlled on molecular scale. The relationship between the inhibition efficiency and the orientation as weel as the layer number of the LB monolayers of these inhibitors on steel electrodes was examined by electrochemical methods. Their mechanism was discussed on the ground of experimental results and calculation. It is concluded that the mechanism of SA is mainly due to the blocking effect while that of HTAB is due to the synergistic effect of Br-with the electrostatic effect of the positively charged quaternary ammonium ion of HTAB.

Key words： Langmuir-Blodgett film Corrosion inhibitor Stearic acid Quaternary ammonium salt

收稿日期: 1995-02-25

基金资助:国家自然科学基金;;中国科学院腐蚀科学开放研究实验室资助

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引用本文:

邢巍;郭渡;单义斌;陆天虹;席时权. 金属缓蚀剂Langmuir-Blodgett膜及缓蚀机理的研究[J]. 中国腐蚀与防护学报, 1995, 15(1): 1-6.
. LANGMUIR-BLODGETT FILM OF INHIBITOR AND ITS USE FOR THE INVESTIGATION OF INHIBITION MECHANISM. J Chin Soc Corr Pro, 1995, 15(1): 1-6.

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https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1995/V15/I1/1

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