日用化学工业2017,Vol.47Issue(5):251-256,6.DOI:10.13218/j.cnki.csdc.2017.05.003
离子液体表面活性剂的合成与应用(Ⅴ)——离子液体表面活性剂的聚集热力学和状态
Synthesis and application of ionic liquid surfactants (Ⅴ) Thermodynamics and behavior of surfactant aggregation
摘要
Abstract
Aggregation of ionic liquid surfactants in aqueous solution is an entropy driven process,according to the data of itsΔG0 ,ΔH0 andΔS0 . Aggregation number of ionic liquid surfactants is similar to that of traditional surfactants,40-160 in general. The apparent hydrodynamic diameter (Dh )of surfactant aggregation is several nanometers;but in case the concentration of the ionic liquid surfactant is high as forming vesicles,Dh may achieve 100 nm. Ionization degree of counter ions at the surface of surfactant micelles is about 0. 15 -0. 6. Aggregation behavior of ionic liquid surfactants in water is similar to that of traditional surfactant,but the aggregation behavior of ionic liquid surfactants in water is different with that in organic solvents.关键词
表面活性剂/离子液体/胶束/热力学/聚集行为Key words
surfactant/ionic liquid/micelle/thermodynamics/aggregation behavior分类
化学化工引用本文复制引用
邹文苑,杨许召,徐清杰,王萍,王军..离子液体表面活性剂的合成与应用(Ⅴ)——离子液体表面活性剂的聚集热力学和状态[J].日用化学工业,2017,47(5):251-256,6.基金项目
"十二五"国家科技支撑计划资助项目(2013BAC01B04) (2013BAC01B04)
国家自然科学基金资助项目(21176228) (21176228)
河南省科技攻关项目(162102210056) (162102210056)
郑州市科技攻关项目(141PQYJS555) (141PQYJS555)