Considerations on formation and stability of Oil/Water dispersed systems | Zendy

Rosano H. L. | Zendy; Jon D. | Zendy; Whittam J. H. | Zendy

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Considerations on formation and stability of Oil/Water dispersed systems

Author(s) -

Rosano H. L.,

Jon D.,

Whittam J. H.

Publication year - 1982

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/bf02541020

Subject(s) - emulsion , toluene , pulmonary surfactant , surface tension , sodium dodecyl sulfate , chemical engineering , steric effects , phase (matter) , sodium , chemistry , butanol , volume (thermodynamics) , nonionic surfactant , stability (learning theory) , thermodynamics , materials science , chromatography , organic chemistry , ethanol , computer science , physics , engineering , machine learning

Two systems: (a) a costabilized system of toluene/water/1‐propanol, and (b) an emulsion system of toluene/sodium dodecyl sulfate/1‐butanol/NaCl solution are used as examples to provide some general observations on emulsion formation and stability. Phase volume and interfacial tension measurements indicate that the requirement for formation of O/W systems is low γ i , but for overall stability, γ i must be positive and of significant value in addition to any steric barrier at the interface. An approximate calculation of the amount of surfactant needed to fill the interface provides a guide for preparation of such systems.

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