聚天冬氨酸与三聚氰胺复配对铜的协同缓蚀机理
Synergistic Effect of Polyaspartic Acid and Malamine on Copper
摘 要
采用电化学阻抗谱和极化曲线研究聚天冬氨酸(PASP)、三聚氰胺及两者复配对纯铜的缓蚀性能, 并通过量子化学计算研究分子结构对缓蚀性能的影响。结果表明,在试验温度范围内, PASP与三聚氰胺在总添加量不变的情况下以1∶1复配, 表现出了正的协同效应, 并从微观角度(物质结构)分析了其物理化学性质以及缓蚀剂的吸附机理。
三聚氰胺
协同作用
缓蚀机理
polyaspartic acid(PASP)
malamine
synergistic effect
inhibition mechanism
Abstract
The corrosion inhibition effect of polyaspartic acid (PASP), malamine and combing of PASP and melamine on copper was studied by electrochemical impedance spectroscopy(EIS) and potentiodynamic polarization at 20 ℃. And the effect of molecular on corrosion inhibition was studied using the method of quantum chemical calculation. The results show that PASP had positive synergistic effect with melamine at 1∶1. And the method of quantum chemical calculation can be used to investigate the physicat and chemcal characteristics, adsorption mechanism and molecular structure of inhibitors.
中图分类号 TG174.42 O552
所属栏目 试验研究
基金项目 河北省自然科学基金(B2011205079); 河北省教育厅项目(20052022)
收稿日期 2011/10/18
修改稿日期
网络出版日期
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备注何蕊,硕士,
引用该论文: HE Rui,DU Pan-pan,LI Chun-mei,GU Ning. Synergistic Effect of Polyaspartic Acid and Malamine on Copper[J]. Corrosion & Protection, 2012, 33(9): 761
被引情况:
【1】李美明,徐群杰,韩杰,张志国, "绿色铜缓蚀剂的研究进展",腐蚀与防护 35, 1243-1247(2014)
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参考文献
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【3】Wang X Y,Burtrand I Lee,Larry Mann. Dispersion of barium titanate with polyaspartic acid in aqueous media[J]. Physicochemical and Engineering Aspects,2002,202:71-80.
【4】Zhao Y,Su H J,Li F,et al. Superabsorbent hydrogels from poly(aspartic acid) with salt,temperature and pH responsiveness properties[J]. Polymer,2005,46:5368-5376.
【5】Li F,Zhao Y,Tan T W. Preparation and water absorbent behavior of superabsorbent polyaspartic acid resin[J]. Journal of Polymer Research,2005(10):5368-5376.
【6】李剑,王拯,饶姗姗. 当前绿色化学及其技术在水处理中的应用[J]. 甘肃科技,2004,20(3):43-44.
【7】Ian Ralph Collins. Surface electrical properties of barium sulfate modified by adsorption of poly a,b aspartic acid[J]. Journal of Colloid and Interface Science,1999(212):535-544.
【8】Xiong R C,Zhou Q,Wei G. Corrosion inhibition of a green scale inhibitor polyepoxysuccinic acid[J]. Chinese Chemical Letters,2003,14(9):955-957.
【9】王海平,忤茜,谷宁,等. 聚天冬氨酸与咪唑复配对3%氨基磺酸中铜的协同缓蚀作用[C]//第十四次电化学会议,2007.
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【11】王春涛,陈慎豪. 分子结构对硫脲类化合物在铜表面自组装能力的影响[J]. 化学学报,2007,65(5):390-394.
【12】Vosta J,Eliasek J. Study on corrosion inhibition from aspect of quantum chemistry[J]. Corros Sci,1971(11):223-229.
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