Research on the corrosion inhibition capacity and mechanism of alcoholamime modified polyaspartic acid

doi:10.11894/1005-829x.2013.33(6).69

INDUSTRIAL WATER TREATMENT ›› 2012, Vol. 32 ›› Issue (5): 69-72. doi: 10.11894/1005-829x.2013.33(6).69

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Research on the corrosion inhibition capacity and mechanism of alcoholamime modified polyaspartic acid

He Huanqin, Hou Yongjiang, He Li, Guo Jie, Yang Cuihua, Li Wei, Cai Yuxi, Cheng Junjie, Hao Yanlong

College of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China

Received:2012-03-09 Online:2012-05-20 Published:2012-05-18

改性聚天冬氨酸的缓蚀性能及机理研究

和欢芹, 侯永江, 何丽, 国洁, 杨翠花, 李薇, 蔡玉喜, 程俊杰, 郝彦龙

河北科技大学环境科学与工程学院, 河北石家庄 050018

通讯作者: 侯永江,E-mail:hyj@hebust.edu.cn E-mail:hyj@hebust.edu.cn
作者简介:和欢芹(1986-)，2009级河北科技大学在读硕士研究生。电话：15226508618，E-mail：hhq123007@sohu.com

Abstract

Abstract:

The corrosion inhibition capacity and mechanisms of alcoholamime modified PASP has been studied by using FT-IR，methods of rotary coupon，Tafel polarization curves， and AC impedance. The results show that PASP modified by ethanolamine has the best performance，and the corrosion inhibition rate amounts to 70.18%. Alcoholamime modified PASP is a kind of corrosion inhibitor that inhibits anode mainly.

Key words: polyaspartic acid, modification, hydramine, corrosion inhibition

摘要：

通过傅立叶红外光谱、旋转挂片法、极化曲线法、交流阻抗法研究了醇胺开环改性聚天冬氨酸的缓蚀性能及缓蚀机理。研究表明,乙醇胺、二乙醇胺、三乙醇胺开环改性PASP中以加入乙醇胺所得改性产物的缓蚀性能最好,缓蚀率达到70.18%。醇胺改性的PASP是一种以抑制阳极为主的缓蚀剂。

关键词: 聚天冬氨酸, 改性, 醇胺, 缓蚀

CLC Number:

TG174.4

He Huanqin, Hou Yongjiang, He Li, Guo Jie, Yang Cuihua, Li Wei, Cai Yuxi, Cheng Junjie, Hao Yanlong. Research on the corrosion inhibition capacity and mechanism of alcoholamime modified polyaspartic acid[J]. INDUSTRIAL WATER TREATMENT, 2012, 32(5): 69-72.

和欢芹, 侯永江, 何丽, 国洁, 杨翠花, 李薇, 蔡玉喜, 程俊杰, 郝彦龙. 改性聚天冬氨酸的缓蚀性能及机理研究[J]. 工业水处理, 2012, 32(5): 69-72.

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改性聚天冬氨酸的缓蚀性能及机理研究

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Research on the corrosion inhibition capacity and mechanism of alcoholamime modified polyaspartic acid

改性聚天冬氨酸的缓蚀性能及机理研究

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