二元羧酸对碳钢的缓蚀作用与其分子结构的关系

中国腐蚀与防护学报

1992, Vol. 12

Issue (1): 95-100

研究报告

本期目录 | 过刊浏览

二元羧酸对碳钢的缓蚀作用与其分子结构的关系

林志成;黎明;黄兴华;卫晓辉

湖南大学;湖南大学;湖南大学;湖南大学

A STUDY OF INHIBITION EFFECT OF BICARBOXYLATE ON CARBON STEEL

Lin Zhicheng; Li Ming; Huang Xinghua; and Wei Xiaohui ( Hunan University)

全文: PDF(468 KB)

摘要: <正> 前言羧酸盐是一种有用的缓蚀剂,它们对金属腐蚀的抑制作用已有研究报道。但关于二元羧酸对中性或弱碱性介质中碳钢的缓蚀能力和它们在电极/溶液界面的吸附行为未见系统研究报道。本工作研究分子结构对烷链二元羧酸缓蚀能力和吸附能力的影响,提出了二元羧酸在碳钢/溶液界面的可能吸附模型。

Abstract：The corrosion inhibition and adsorption of biearboxylate on carbon steel in pH=9 carbonate-bicarbonate buffer solution at 25℃ has been investigated by weight loss method and electrochemical technique. Results show that the corrosion inhibition and adsorption of bicarboxylates decrease according to the following order: azelaic acid>sebacic acid>pimelic acid>suberic acid>adipic acid There is a zigzag relationship between the inhibition efficiency and the number of carbon atoms in bicarboxylate molecules, i. e. the bicarboxylie acid which contains odd number of carbon atoms is more efficient than the neighbouring acid whiates on carbon steel follows modified Bockris-Swinkels isotherm. The effects of the molecular structure of bicarboxylates on the corrosion inhibition and adsorption are also discussed.

收稿日期: 1992-02-25

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引用本文:

林志成;黎明;黄兴华;卫晓辉. 二元羧酸对碳钢的缓蚀作用与其分子结构的关系[J]. 中国腐蚀与防护学报, 1992, 12(1): 95-100.
. A STUDY OF INHIBITION EFFECT OF BICARBOXYLATE ON CARBON STEEL. J Chin Soc Corr Pro, 1992, 12(1): 95-100.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1992/V12/I1/95

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