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长链离子液体临界胶束浓度研究 被引量:1

Study on critical micelle concentration of long chain ionic liquids
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摘要 采用毛细上升法测定[Cn MIm]Br(n=12,14,16)3种长链离子液体与十二烷基硫酸钠(传统阴离子表面活性剂)的表面张力,通过表面张力拐点得到临界胶束浓度。结果表明,长链离子液体与传统表面活性剂临界胶束浓度相当;在临界胶束浓度下,长链离子液体表面张力相差不大,且都略小于传统表面活性剂,则其表面活性优于传统阴离子表面活性剂。 The surface tension of[Cn MIm]Br( n = 12,14 and 16) long chain ionic liquid and sodium dodecyl sulfate( traditional anionic surfactant) was measured by surface tension method. The critical micelle concentration was obtained by surface tension curve. The results show that the long-chain ionic liquid is equivalent to the critical micelle concentration( CMC) of traditional surfactants. At the critical micelle concentration,the surface tension of long-chain ionic liquids is not much different,and are slightly smaller than the traditional surfactants. Thus,the surface activity is superior to conventional anionic surfactants.
作者 奚弦 蒋曙光 张卫清 秦桐 XI Xian;JIANG Shu-guang;ZHANG Wei-qing;QIN Tong(Key Laboratory-of Coal Methane and Fire Control,Ministry of Education,China University of Mining and Technology,Xuzhou 221116,China;School of Safety Engineering,China University of Mining and Technology,Xuzhou 221116,China;State Key Laboratory of Coal Resources and Safe Mining,Xuzhou 221116,China)
出处 《应用化工》 CAS CSCD 北大核心 2018年第7期1339-1341,共3页 Applied Chemical Industry
基金 国家自然科学基金项目(51704282) 江苏省自然科学基金项目(BK20160272)
关键词 长链离子液体 十二烷基硫酸钠 表面张力法 临界胶束浓度(CMC) long chain ionic liquid sodium dodecyl sulfate surface tension method criticalmicelle concentration
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