| 曼尼希碱型盐酸酸化缓蚀剂的合成及性能研究 |
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| 引用本文： | 冯辉霞,李建,王毅,林博雅,王子宁.曼尼希碱型盐酸酸化缓蚀剂的合成及性能研究[J].应用化工,2012,41(4):580-583. |
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| 作者姓名： | 冯辉霞 李建 王毅 林博雅 王子宁 |
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| 作者单位： | 兰州理工大学石油化工学院,甘肃兰州,730050 |
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| 基金项目： | 国家自然科学基金，国家科技部“科技人员服务企业行动项目”，甘肃省自然科学基金资助项目，兰州理工大学博士基金 |
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| 摘 要： | 以苯胺、甲醛、乙酰丙酮为原料,通过Mannich反应合成一种新型曼尼希碱。结果表明,新型曼尼希碱的最佳条件为:苯胺∶甲醛∶乙酰丙酮的物质的量配比为1∶1∶1,反应温度为80℃、盐酸加入量为0.02 mol、反应时间为6 h。分别采用失重法和电化学方法研究了曼尼希碱缓蚀剂的缓蚀性能,在25℃,1 mol/L的盐酸溶液中,对碳钢的缓蚀率达92.3%以上。对其缓蚀机理进行了初步的探讨,认为合成的新型曼尼希碱是以抑制阳极为主的混合型缓蚀剂。
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| 关 键 词： | 曼尼希碱 缓蚀剂 缓蚀性能评价 失重法 电化学法 |
Synthesis and performance properties of the Mannich bases compound corrosion inhibitor for hydrochloric acidizing fluids |
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| FENG Hui-xia
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LI Jian
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WANG Yi
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LIN Bo-ya
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WANG Zi-ning.Synthesis and performance properties of the Mannich bases compound corrosion inhibitor for hydrochloric acidizing fluids[J].Applied chemical industry,2012,41(4):580-583. |
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| Authors: | FENG Hui-xia LI Jian WANG Yi LIN Bo-ya WANG Zi-ning |
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| Affiliation: | (College of Petrochemical Technology,Lanzhou University of Technology,Lanzhou 730050,China) |
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| Abstract: | Mannich base was synthesized with aniline,formaldehyde,acetyl acetone via Mannich reaction.The results showed that when the mass ratio of aniline,formaldehyde and acetyl acetone was 1∶1∶1,reaction temperature was 80 ℃,the addition amount of hydrochloric acid was 0.02 mol,reaction time was 6 h.At 25 ℃,we tested the inhibitive performance of Mannich base to carbon steel by weight loss and electrochemical in 1 mol/L HCl,the inhibition efficiency can reach 93.2%;The corrosion mechanism of Mannich base and regard the inhibitor of Mannich base as the mixed-type corrosion inhibitor which was mainly to control the anode. |
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| Keywords: | Mannich base corrosion inhibitor corrosion performance evaluation weight-loss method electrochemical method |
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