Interaction of 1:1 electrolytes with nonionic surfactants in methanol: Effect of changing the alkyl chain from a hydrocarbon to a fluorocarbon nature
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phase diagrams of new surfactant systems
microemulsions and their applications
vesicles and bilayers
transport properties of colloidal systems.
The binding constant of 1∶1 electrolytes with a series of hydrogenated as well as fluorinated nonionic surfactants having short polyoxyethylated chains have been obtained from electric conductivity measurements. The results for the surfactants with hydrogenated alkyl chains are systematically lower than for glymes having the same number of ethyleneoxide units.
When changing the alkyl chain from a hydrocarbon to a fluorocarbon nature, the electrophilic character of the fluorine atoms is responsible for a neat decrease of the complexing ability of the surfactant molecules.
Key wordsNonionic surfactants alkali metal ions fluorinated nonionic surfactants complexing ability
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