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Original Articles

SURFACTANT-OIL-WATER SYSTEMS NEAR THE AFFINITY INVERSION PART II: VISCOSITY OF EMULSIFIED SYSTEMS

, , , , , & show all
Pages 161-173 | Published online: 28 Mar 2007
 

ABSTRACT

Surfactant-oil-water emulsified systems are found to exhibit a sharp change in viscosity near the optimum formulation for three-phase behavior.

When the formulation is scanned through the three-phase transition by changing (in turn) brine salinity, oil EACN, surfactant HLB or alcohol concentration, the viscosity passes through a minimum for MOW three-phase emulsions.

Bidimensional formulation scans corroborate that the viscosity minimum is associated with the optimum formulation. This minimum is related with the ultra-low interfacial tension exhibited by such systems.

Additional information

Notes on contributors

J. L. Grosso

now with INTEVEP S. A.

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