Adsorption and aggregation behavior of surface active trisiloxane room-temperature ionic liquids
作者： Ping Li , Wanxu Wang , Zhiping Du , Guoyong Wang , Enze Li
DOI: 10.1016/J.COLSURFA.2014.03.007
关键词:
摘要: Abstract Three novel surface active room-temperature ionic liquids (RT-ILs), Si(3)N-CA(n)(n = 1, 2, 3), were synthesized, in which trisiloxanes introduced as hydrophobic group to reduce the liquids’ melting points. Their activity and aggregation behavior aqueous solution systematically investigated through measurement of tension, conductivity, dynamic light scattering (DLS), transmission electron microscopy (TEM), cyro-transmission (Cyro-TEM). The tension trisiloxane RT-ILs solutions measured at critical aggregate concentration (CAC) observed be about 20 mN m−1, much lower than those traditional N-alkyl liquids. With a combination DLS data TEM measurements, formations multilamellar vesicles appear occur above CAC.
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