| 竹叶提取液在硫酸介质中的缓蚀性能及复配研究 |
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| 引用本文： | 郑兴文,龚敏,邹振,魏巍,黄文恒. 竹叶提取液在硫酸介质中的缓蚀性能及复配研究[J]. 腐蚀科学与防护技术, 2009, 21(5): 443-446 |
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| 作者姓名： | 郑兴文 龚敏 邹振 魏巍 黄文恒 |
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| 作者单位： | 1. 四川理工学院,化学系,自贡,643000
2. 四川理工学院,材料与化学工程系,自贡,643000 |
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| 基金项目： | 四川理工学院材料腐蚀与防护四川省高校重点实验室项目(2007CL007) |
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| 摘 要： | 应用动电位扫描法和失重法研究了竹叶提取液在硫酸介质中的缓蚀性能及其与碘化钾的复配协同效应.实验表明，当浓度为0.1 g/ml时，竹叶提取液具有良好的缓蚀性能，与碘化钾复配后，缓蚀效果更佳.电化学研究表明，竹叶缓蚀剂为混合型缓蚀剂，作用机理为几何覆盖效应.利用失重实验数据通过计算拟合，结果表明，竹叶缓蚀剂的有效缓蚀成份在碳钢表面的吸附符合El-Awady动力学模型与Flory-Huggins吸附等温方程.
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| 关 键 词： | 竹叶 硫酸 碘化钾 缓蚀剂 协同效应 |
| 收稿时间： | 2009-01-18 |
| 修稿时间： | 2009-04-23 |
CORROSION INHIBITION OF BAMBOO LEAVES EXTRACTIVE FOR CARBON STEEL IN H_2SO_4 SOLUTIONS |
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| ZHENG Xing-wen,GONG Min,ZOU Zhen,WEI Wei,HUANG Wen-heng. CORROSION INHIBITION OF BAMBOO LEAVES EXTRACTIVE FOR CARBON STEEL IN H_2SO_4 SOLUTIONS[J]. Corrosion Science and Protection Technology, 2009, 21(5): 443-446 |
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| Authors: | ZHENG Xing-wen GONG Min ZOU Zhen WEI Wei HUANG Wen-heng |
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| Affiliation: | ZHENG Xing-wen1,GONG Min2,ZOU Zhen2,WEI Wei2,HUANG Wen-heng2 1.Department of Chemistry,Sichuan University of Science & Engineering,Zigong 643000,2.Material , Chemical Engineering Department |
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| Abstract: | The corrosion inhibition of bamboo leaves extractive for carbon steel in H2SO4 solutions and the synergistic effect of potassium iodide with the bamboo leaves extractive were investigated by using polarization curves measurement and weight-loss method.The results showed that 0.1 g/mL bamboo leaves extractive showed an excellent corrosion inhibition efficiency for carbon steel in 15% sulfuric acid solution.And the inhibition efficiency increased significantly when potassium iodide was added in the solution t... |
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| Keywords: | bamboo leaves H2SO4 potassium iodide corrosion inhibition synergistic effect |
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