| 二氧化氯介质中脂肪醇聚氧乙烯醚及其复配缓蚀剂对Q235 钢的缓蚀作用 |
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| 引用本文： | 高金龙,李文亚,王奎涛,张聪婧,张炳烛. 二氧化氯介质中脂肪醇聚氧乙烯醚及其复配缓蚀剂对Q235 钢的缓蚀作用[J]. 表面技术, 2012, 0(6): 33-36 |
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| 作者姓名： | 高金龙 李文亚 王奎涛 张聪婧 张炳烛 |
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| 作者单位： | 河北省药用分子化学重点实验室;河北省药物化工工程技术研究中心;河北科技大学化学与制药工程学院 |
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| 摘 要： | 通过静态失重法、动电位极化曲线法及观察显微形貌,研究了脂肪醇聚氧乙烯醚(平平加O-20)及其复配缓蚀剂在100 mg/L二氧化氯介质中对Q235钢的缓蚀效应。结果表明:平平加O-20对Q235钢有一定的缓蚀效果,但单独使用时的用量较大;平平加O-20与硝酸钠、钼酸钠、苯甲酸钠均有缓蚀协同效果,与苯甲酸钠复配的缓蚀协同效应最明显;当苯甲酸钠和平平加O-20复配的质量浓度比为6:4,总用量为300 mg/L时,最大缓蚀效率可达92.55%。
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| 关 键 词： | 二氧化氯 Q235钢 平平加O-20 苯甲酸钠 缓蚀剂 协同效应 |
| 收稿时间： | 2012-08-08 |
| 修稿时间： | 2012-12-20 |
The Corrosion Inhibition Effect of Fatty Alcohol Ethoxylates and Its Complexd Inhibitors in the Chlorine Dioxide Media for Q235 Steel |
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| GAO Jin-long,LI Wen-y,WANG Kui-tao,ZHANG Cong-jing and ZHANG Bing-zhu. The Corrosion Inhibition Effect of Fatty Alcohol Ethoxylates and Its Complexd Inhibitors in the Chlorine Dioxide Media for Q235 Steel[J]. Surface Technology, 2012, 0(6): 33-36 |
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| Authors: | GAO Jin-long LI Wen-y WANG Kui-tao ZHANG Cong-jing ZHANG Bing-zhu |
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| Affiliation: | 1,2,3(1.Key Laboratory of Medicinal Moleculer Chemistry in Hebei Province,Shijiazhuang 050018,China;2.Hebei Research Center of Pharmaceutical and Chemical Engineering,Shijiazhuang 050018,China;3.College of Chemical & Pharmaceutical Engineering,Hebei University of Science and Technology,Shijiazhuang 050018,China) |
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| Abstract: | The static weight loss method, potentiodynamic polarization and observing microscopic appearance were used to study the synergistic effect of fatty alcohol ethoxylates (peregal O-20) and complexd inhibitors on corrosion inhibition of Q235 steel in the chlorine dioxide media of 100 mg/ L. The results show that peregal O-20 has a corrosion inhibiting effect for Q235 steel,but the amount of corrosion inhibitor is large when used alone; Composite peregal O-20 with sodium nitrate or sodium molybdate or sodium benzoate can produce synergistic inhibition effect on Q235 steel,when composite with sodium benzoate can produce the most obvious synergistic inhibition effect; When the concentration ratio of sodium benzoate and peregal O-20 is 6 : 4 and the total dosage of 300 mg/ L,the maximum inhibition efficiency can achieve 92. 55% . |
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| Keywords: | chlorine dioxide Q235 steel peregal O-20 sodium benzoate inhibitor synergistic effect |
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