| 苯并三氮唑和8-羟基喹啉对铜缓蚀作用的研究 |
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| 引用本文： | 张大全,高立新.苯并三氮唑和8-羟基喹啉对铜缓蚀作用的研究[J].材料保护,2002,35(4):10-11. |
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| 作者姓名： | 张大全 高立新 |
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| 作者单位： | 上海电力学院,国家电力公司热力设备腐蚀与防护重点实验室,上海,200090 |
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| 基金项目： | 上海市教委资助项目，2000-K-01， |
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| 摘 要： | 通过采用失重法、电化学极化曲线和电化学阻抗谱研究了3％NaCl溶液中苯并三氮唑（BTA）和8－羟基喹啉（HQ）的缓蚀协同作用。BTA和HQ复配使用后增强了对铜的阳极极化过程的抑制作用，提高了电极的膜电阻，降低了电极的膜电容。通过PPP－SCF量子化学方法优化分析了BTA和HQ的分子结构及其缓蚀协同效应。
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| 关 键 词： | 苯并三氮唑 8－羟基喹啉 铜缓蚀作用 铜缓蚀剂 苯并三氮唑 8－羟基喹啉 协同效应 |
| 文章编号： | 1001-1560(2002)04-0010-02 |
Corrosion Inhibition of Benzotriazole and 8-Hydroxyquinoline for Copper in 3% NaCl Solution |
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| ZHANG Da\|quan,GAO Li\|xing.Corrosion Inhibition of Benzotriazole and 8-Hydroxyquinoline for Copper in 3% NaCl Solution[J].Journal of Materials Protection,2002,35(4):10-11. |
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| Authors: | ZHANG Da\|quan GAO Li\|xing |
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| Abstract: | The synergistic effects of benzotriazole (BTA) and 8\|hydroxyquinoline (HQ) as corrosion inhibitor for copper were investigated in 3% NaCl solution by weight\|loss tests and electrochemical methods as potentiodynamic polarization and impedance spectroscope. Combined action of BTA and HQ had increased the resistance to anodic polarization of copper. Increase of film resistance and decrease of film capacitance made better protection for copper. The molecular structure parameters of BTA and HQ were obtained via MM2 force field program and PPP\|SCF quantum chemical calculation. The synergistic effect was attributed to the formation of a continuous compact protective layer. |
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| Keywords: | copper corrosion inhibitor benzotriazole 8\|hydroxyquinoline synergistic effect |
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