| 含咪唑啉环不对称双季铵盐的合成及其缓蚀性能 |
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| 引用本文： | 蒋斌,张静,杜敏,孙兆栋.含咪唑啉环不对称双季铵盐的合成及其缓蚀性能[J].精细化工,2009,26(8). |
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| 作者姓名： | 蒋斌 张静 杜敏 孙兆栋 |
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| 作者单位： | 中国海洋大学,化学化工学院,海洋化学理论与工程技术教育部重点实验室,山东,青岛,266100 |
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| 基金项目： | 国家自然科学基金(40806030)~~ |
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| 摘 要： | 以长链烷基叔胺、长链烷基叔胺盐酸盐、环氧氯丙烷为原料合成了N-(3-氯-2-羟丙基)-N,N-二甲基长链烷基季铵盐,利用其与长链烷基咪唑啉季铵化合成了含咪唑啉环的不对称双季铵盐。通过FTIR,1HNMR验证了中间体和目标产物结构,考察了其合成工艺。合成含咪唑啉环不对称双季铵盐的最佳反应条件为:nN-(3-氯-2-羟丙基)-N,N-二甲基长链烷基季铵盐]∶n(长链烷基咪唑啉)=1∶1.1,反应溶剂采用异丙醇,反应温度80℃。用失重法测定了25℃时含咪唑啉环不对称双季铵盐在1.0mol/L盐酸溶液中的缓蚀性能,结果表明,仅添加50mg/L,对Q235钢缓蚀率达98.89%。
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| 关 键 词： | 不对称双季铵盐 结构表征 缓蚀性能 表面活性剂 |
Synthesis and Inhibition Performance of Dissymmetric Bis-quaternary Ammonium with Imidazoline Ring |
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| JIANG Bin,ZHANG Jing,DU Min,SUN Zhao-dong.Synthesis and Inhibition Performance of Dissymmetric Bis-quaternary Ammonium with Imidazoline Ring[J].Fine Chemicals,2009,26(8). |
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| Authors: | JIANG Bin ZHANG Jing DU Min SUN Zhao-dong |
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| Affiliation: | Key Laboratory of Marine Chemistry Theory and Technology;Ministry of Education;College of Chemistry and Chemical Engineering;Ocean University of China;Qingdao 266100;Shangdong;China |
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| Abstract: | N-(3-chloro-2-hydroxypropyl)-N,N-dimethyl alkylammonium chloride was prepared with dimethyl alkylamine,dimethyl alkylamine hydrochloride and epichlorohydrin.Dissymmetric bis-quaternary ammonium with imidazoline ring was prepared with alkyl imidazoline and 3-Chloro-2-hydroxypropyl dimethyl alkylammonium chloride.The structure of intermediate and target products were identified by FTIR,1HNMR.The optimal reaction conditions of the synthesized Dissymmetric bis-quaternary ammonium with imidazoline ring were as f... |
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| Keywords: | dissymmetric bis-quaternary ammonium structure characterization inhibition performance surfactants |
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