On the Formation of Water/Oil‐Microemulsions | Zendy

Eicke HansFriedrich | Zendy; Rehak Juraj | Zendy

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On the Formation of Water/Oil‐Microemulsions

Author(s) -

Eicke HansFriedrich,

Rehak Juraj

Publication year - 1976

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19760590825

Subject(s) - microemulsion , chemistry , enthalpy , hydrocarbon , micelle , adsorption , dipole , light scattering , chemical engineering , chromatography , analytical chemistry (journal) , organic chemistry , thermodynamics , scattering , pulmonary surfactant , aqueous solution , biochemistry , physics , optics , engineering

The formation of a so‐called water/oil (W/O)‐microemulsion (AOT/isooctane/water) was followed by light scattering and ultracentrifuge measurements. With increasing weighed‐in water concentrations the microemulsion is stabilized by repeated aggregational processes of micelles containing water due to a decrease of the free interfacial enthalpy. This process conforms very satisfactorily to a model describing an adsorption of surfactants at the water/hydrocarbon interface resulting from dipole‐image dipole interactions.

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