Study on the cloud point of aqueous mixtures of cationic and anionic surfactants
Li Mei
Abstract
Li Mei
Abstract
Cloud point property was found in the aqueous mixtures of sodium dodecyl sulfate(SDS)and cetyl trimethyl ammonium bromide(CTAB)and the cloud point area in pseudo ternary plase diagram of SDS/CTAB/Na_2SO_4/H_2O was studied.It was found that the cloud point area was the aqueous two-phase system area,in which the containing of SDS was more than that of CTAB.The cloud point area would enlarge when the temperature was high and the length of cationic surfactant carbochain had some effect on the position of cloud point area.
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Cloud point property was found in the aqueous mixtures of sodium dodecyl sulfate(SDS)and cetyl trimethyl ammonium bromide(CTAB)and the cloud point area in pseudo ternary plase diagram of SDS/CTAB/Na_2SO_4/H_2O was studied.It was found that the cloud point area was the aqueous two-phase system area,in which the containing of SDS was more than that of CTAB.The cloud point area would enlarge when the temperature was high and the length of cationic surfactant carbochain had some effect on the position of cloud point area.
Key concepts: Cloud point, Ammonium bromide, Pulmonary surfactant, Aqueous solution, Cationic polymerization, Sodium dodecyl sulfate, Chemistry, Micelle