FOAMING OF SURFACTANT COMBINATIONS: SODIUM DODECYL SULFATE AND IGEPAL CO 210

S.E. Friberg Department of Chemistry, Clarkson University, Potsdam, New York, 13699-5810

M. Chiu Department of Chemistry, Clarkson University, Potsdam, New York, 13699-5810

J.E. Angie Department of Chemistry, Clarkson University, Potsdam, New York, 13699-5810

D.H. Smith Department of Energy, Morgantown Energy Technology Center, Morgantown, West Virginia, 26507-0880

ABSTRACT

The stability was investigated of foams formed from water plus combinations of a hydrophobic, nonionic surfactant and an ionic, water-soluble one.

When the total concentration of the two surfactants was kept constant, the foam stability was strongly increased for a certain ratio of them. Phase equilibria revealed this enhanced stability to be due to the presence of a lamellar liquid crystalline phase.

In the region of two liquid phases, (aqueous solution and solution rich in Igepal CO 210) the stability depended on the volume ratio between the two solutions in a more complex manner.

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FOAMING OF SURFACTANT COMBINATIONS: SODIUM DODECYL SULFATE AND IGEPAL CO 210

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FOAMING OF SURFACTANT COMBINATIONS: SODIUM DODECYL SULFATE AND IGEPAL CO 210

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