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曼尼希碱缓蚀剂在10%盐酸溶液中对13Cr的缓蚀作用

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通过曼尼希反应合成了一种曼尼希碱缓蚀剂,通过傅里叶红外光谱对其结构进行表征.采用失重法,电化学分析等研究了曼尼希碱缓蚀剂在90℃、10%盐酸溶液中对13Cr不锈钢的缓蚀效率,研究结果表明:当温度为90℃时,在10%盐酸溶液中,仅添加1%缓蚀剂,缓蚀效率可达99.52%,电化学分析表明,该缓蚀剂为混合型缓蚀剂.
Inhibition Effect of Mannich base Corrosion Inhibitor on 13Cr in 10% HCl Solution
This article synthesized a mannich base corrosion inhibitor through mannich reaction,and characterized its structure by fourier transform infrared spectroscopy.the corrosion inhibition efficiency of mannich base corrosion inhibitor on 13Cr stainless steel in 90℃and 10%hydrochloric acid solution was studied using weight loss method and electrochemical analysis.the research results showed that when the temperature was 90℃and only 1%corrosion inhibitor was added to 10%hydrochloric acid solution,the corrosion inhibition efficiency could reach 99.52%.Electrochemical analysis showed that the corrosion inhibitor was a mixed type.

13Cr stainless steelmannich basecorrosion inhibitorcorrosion inhibition mechanism

徐仕磊、王小红、刘涛、何霄翰、李志鹏

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西南石油大学 新能源与材料学院,四川成都 610500

13Cr不锈钢 曼尼希碱 缓蚀剂 缓蚀机理

2024

化工设计通讯
湖南化工医药设计院

化工设计通讯

影响因子:0.126
ISSN:1003-6490
年,卷(期):2024.50(10)