Unique role of β-cyclodextrin in modifying aggregation of Triton X-114 in aqueous solutions
作者： Hua-Neng Xu , Shu-Feng Ma , Wei Chen
DOI: 10.1039/C2SM07371D
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摘要: The effect of β-cyclodextrin (β-CD) on the aggregation behavior a nonionic surfactant, Triton X-114 ((1,1,3,3-tetramethylbutyl)phenyl-polyethylene glycol), in aqueous solutions has been studied as function temperature by means turbidity, dynamic light scattering (DLS), transmission electron microscopy (TEM), and rheo-small angle (rheo-SALS). (TX-114) possess unique structural variations display special aggregate transitions upon β-CD addition. In contrast to reported disruption for dilute surfactant solutions, growth is found TX-114 93 mM micelle vesicle transition induced addition, which can greatly influence turbidity viscosity quantified characteristic length aspect ratio aggregates. aggregates change significantly after It shows that may occur surfactant–CD systems, well ionic systems. proposed CD–CD H-bonds create intermicelle interactions promote CD/surfactant complexes, resulting formation micrometer-scale phase-separated droplets.
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