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The physico-chemical properties of organized assemblies (micelle or vesicle ) from sodium alkylcarboxylate - alkyltrimethyl -ammonium bromide mixture have been investigated systematically. In different mixed cationic-anionic surfactant systems, micelles and vesicles can coexist or be transformed into each other on different conditions. The experimental results are explained prelimilarily from the viewpoint of molecular packing geometry. The solubilization of organic compound in the mixed surfactant system was also studied in detail. 相似文献
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A study on organized assemblies in the sodium alkylcarboxylate/fatty alcohol/water systems 总被引:1,自引:0,他引:1
The phase behavior and evolution of self-organized assembling structures in the sodium alkylcarboxylate/fatty alcohol systems were investigated by TEM.With increasing concentration of fatty alcohol,the micelles transform into lamellar La phase,sponge L3 phase,multilamellar vesicle,and transfonn back to lamellar La phase.At higher alcohol concentration,a stable two aqueous phase coexisting region has been observed in this kind of systems after aged two months.Unilamellar vesicles were found both in two separated phases but the vesicle density of the upper phase is much higher than that of the bottom phase. 相似文献
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