| 2-氨基嘧啶对铜的缓蚀机理 |
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| 引用本文： | 林中华,王逢春,田中群.2-氨基嘧啶对铜的缓蚀机理[J].物理化学学报,1992,8(1):87-93. |
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| 作者姓名： | 林中华 王逢春 田中群 |
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| 作者单位： | Department of Chemistry and Institute of Physical Chemistry, Xiamen Univeristy, Xiamen 361005 |
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| 摘 要： | 利用动电位极化曲线、线性极化、X射线光电子能谱(XPS)、X射线俄歇能谱(X-AES)和表面增强拉曼散射(SERS)研究2-氨基嘧啶(2-AP)对金属铜的缓蚀作用。结果表明: 在含Cl~-离子的酸性介质中, 2-AP是铜的有效缓蚀剂; 随着介质pH值的增加, 2-AP的缓蚀能力降低。2-AP缓蚀能力随pH值明显变化的原因在于只有在酸性介质中, 质子化了的2-AP分子、Cl~-离子和铜表面原子(或离子)才可能形成保护作用强的多聚配合物膜。
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| 关 键 词： | 2-氨基嘧啶 缓蚀剂 铜 表面增强拉曼散射 |
| 收稿时间： | 1990-08-06 |
| 修稿时间： | 1991-06-10 |
INHIBITION MECHANISM OF 2-AMINOPYRIMIDINE FOR COPPER CORROSION |
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| Lin Zhonghua,Wang Fengchun,Tian Zhongqun.INHIBITION MECHANISM OF 2-AMINOPYRIMIDINE FOR COPPER CORROSION[J].Acta Physico-Chimica Sinica,1992,8(1):87-93. |
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| Authors: | Lin Zhonghua Wang Fengchun Tian Zhongqun |
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| Institution: | Department of Chemistry and Institute of Physical Chemistry, Xiamen Univeristy, Xiamen 361005 |
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| Abstract: | The inhibition mechanism of 2-aminopyrimidine (2-AP) for copper corrosion inchloride solutions with various pH values has been investigated using XPS, X-AES,SERS and electrochemical techniques. The results showed that the 2-AP is a betterinhibitor for the copper corrosion in acidic solutions, less effective in neutral soluti-ons and completely ineffective in basic solutions. In acidic solutions a protectivepolymeric complex film consisting of 2-AP, Cl~- and surface copper atoms(or cations)on the copper surface, which is stable in a wide potential range, is responsible forthe corrosion inhibition of copper. |
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| Keywords: | 2-Aminopyrimidine Inhibitor Copper Surface enhanced Raman scattering(SERS) |
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