| 膦酸缓蚀剂的合成及其缓蚀性能研究 |
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| 引用本文： | 郑细鸣,涂伟萍.膦酸缓蚀剂的合成及其缓蚀性能研究[J].腐蚀与防护,2004,25(10):422-425. |
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| 作者姓名： | 郑细鸣 涂伟萍 |
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| 作者单位： | 1. 华南理工大学化工学院,广州,510640;福建南平师范高等专科学校化学与环境工程系,南平,353000
2. 华南理工大学化工学院,广州,510640 |
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| 摘 要： | 合成了7种膦酸缓蚀剂。用失重法考察了膦酸浓度及溶液pH值对缓蚀性能的影响，分析了膦酸分子结构与缓蚀性能的关系。通过钢铁表面形态及膜成分分析，证明膦酸是一种吸附型缓蚀剂，在金属表面形成一层致密的憎水保护膜，使腐蚀反应得到抑制。
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| 关 键 词： | 膦酸 缓蚀剂 缓蚀性能 机理 |
| 文章编号： | 1005-748X(2004)10-0422-04 |
| 修稿时间： | 2004年5月19日 |
SYNTHESIS AND EVALUATION OF PHOSPHONIC ACID INHIBITORS |
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| ZHENG Xi-ming.SYNTHESIS AND EVALUATION OF PHOSPHONIC ACID INHIBITORS[J].Corrosion & Protection,2004,25(10):422-425. |
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| Authors: | ZHENG Xi-ming |
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| Affiliation: | ZHENG Xi-ming~ |
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| Abstract: | Seven phosphonic acids were synthesized as corrosion inhibitors. The influences of concentration of phosphonic acid, pH of solution and structure of target compounds on corrosion inhibiting properties were investigated by using weight-loss tests, By analyzing morphology and composition of the surface films formed on Q235 steel, it is proved that phosphonic acid is an adsorbing type corrosion inhibitor, and the compact and hydrophobic surface films control corrosion reaction. |
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| Keywords: | Phosphonic acid Corrosion inhibitor Corrosion inhibiting property Mechanism |
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