聊城大学学报：自然科学版2012，Vol.25Issue(3)：36-41,6.
1-丁基-3-甲基咪唑四氟硼酸盐/阴离子表面活性剂/水组成的新型双水相体系的相行为
Phase Behavior of New Aqueous Two-phase Systems:1-Butyl-3-methylimidazolium Tetrafluoroborate/Anionic Surfactants/Water
摘要
Abstract
The aqueous mixtures of an anionic surfactant(sodium dodecyl benzene sulfonate,SDBS) and an ionic liquid(1-butyl-3-methylimidazolium tetrafluoroborate,BF4) within a certain range of compositions can spontaneously separate into two immiscible aqueous phases(ATPS): one surfactantrich and the other ionic liquid-rich.The phase diagrams of the ternary system of the SDBS/BF4/water were drawn based on experimental data determined at 10.0,20.0 and 30.0℃,respectively.The borderlines of the different specific regions in the diagrams were determined using turbidity titration method.The narrow two-phase region aqueous were found to be close to the water-BF4 side.The formation conditions,compositions,and physicochemical properties of the aqueous two phases have been studied.The effects of temperature,surfactant and ionic liquid content on the phase separation time and phase volume ratio of the ATPS were also investigated.This phase separation phenomenon was found to be likely due to the existence of micelle aggregates with quite large size obtained by Transmission Electron Microscopy(TEM) and Steady-state Fluorescence Quenching Measurements(SFQM) methods.关键词
十二烷基苯磺酸钠/1-丁基-3-甲基咪唑四氟硼酸盐/双水相Key words
sodium dodecyl benzene sulfonate/1-butyl-3-methylimidazolium tetrafluoroborate/aqueous two phase system分类
化学化工引用本文复制引用
高翔,夏军柳,金鑫,苏静,吴双,魏西莲..1-丁基-3-甲基咪唑四氟硼酸盐/阴离子表面活性剂/水组成的新型双水相体系的相行为[J].聊城大学学报：自然科学版,2012,25(3):36-41,6.基金项目
国家自然科学基金 （）
聊城大学实验技术研究项目 （）
聊城大学化学化工学院教学专项资金 （）
聊城大学大学生科技文化创新项目 （）
