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China Surfactant Detergent & Cosmetics ›› 2018, Vol. 48 ›› Issue (8): 423-429.doi: 10.13218/j.cnki.csdc.2018.08.001

• Basic research •     Next Articles

Interfacial dilational rheological behavior of (1-butyl-3- methylimidazolium)-based surfactant ionic liquids

HOU Zhao-wei1,ZHANG Fu-ling1,WU Xiao-lin1,SUN Ji-chao2,ZHENG Li-qiang2   

  1. 1.Exploration and Development Research Institute of Daqing Oilfield Co.,Ltd.,Daqing,Heilongjiang 163712,China;
    2.School of Chemistry and Chemical Engineering,Shandong University,Jinan,Shandong 250100,China
  • Online:2018-08-22 Published:2019-03-22

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

CLC Number: 

  • TQ423