1-丁基-3-甲基咪唑表面活性离子液体的界面膨胀流变行为研究

doi:10.13218/j.cnki.csdc.2018.08.001

摘要/Abstract

摘要： 研究了1-丁基-3-甲基咪唑十二烷基硫酸盐([bmim][DS])和1-丁基-3-甲基咪唑二(2-乙基己基)磺基琥珀酸酯盐([bmin][AOT]两种表面活性离子液体在正庚烷/水界面的动态界面张力和膨胀特性。比较了[bmim][DS]或[bmin][AOT]和传统表面活性剂十二烷基硫酸钠(SDS)或二(2-乙基己基)磺基琥珀酸酯钠(Na[AOT])之间的膨胀弹性,并且考察了1-丁基-3-甲基咪唑阳离子之间静电相互作用对界面膜特性的影响。另外,通过对比[bmim][DS]和[bmim][AOT]在不同浓度下的膨胀弹性,验证了烷基链数量的改变对界面膨胀流变行为的影响。

关键词: 表面活性剂, 离子液体, 界面流变

Abstract: The dynamic interfacial tension and dilational properties of 1-butyl-3-methylimidazolium dodecyl sulfate ([bmim][DS]) and 1-butyl-3-methylimidazolium di(2-ethylhexyl) sulfosuccinate ([bmim][AOT]) at n-heptane/water interface were studied.The dilational elasticity of [bmim][DS] or [bmim][AOT] was compared with traditional surfactants (SDS or Na[AOT]).The influence of electrostatic interaction of 1-butyl-3-methylimidazolium cations on the properties of interfacial film was investigated.In addition,by comparing the dilational elasticity at different concentrations of [bmim][DS] and [bmim][AOT],we verified the effects of the change in the number of alkyl chains on the interfacial dilational rheological behavior.

Key words: surfactant, ionic liquid, interfacial rheology

中图分类号:

TQ423

侯兆伟,张福玲,伍晓林,孙继超,郑利强. 1-丁基-3-甲基咪唑表面活性离子液体的界面膨胀流变行为研究[J]. 日用化学工业, 2018, 48(8): 423-429.

HOU Zhao-wei,ZHANG Fu-ling,WU Xiao-lin,SUN Ji-chao,ZHENG Li-qiang. Interfacial dilational rheological behavior of (1-butyl-3- methylimidazolium)-based surfactant ionic liquids[J]. China Surfactant Detergent & Cosmetics, 2018, 48(8): 423-429.

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