EFFECT OF SEVERAL POLYMERS ON THE PHASE BEHAVIOR OF MICELLAR FLUIDS.

Static measurements of the phase volumes of mixtures of surfactant, polymer, alcohol, water, n-octane, sodium chloride, and in some cases polymer additives were made. A limited number of viscosity, phase concentration, and IFT measurements were also made. The purpose was to systematically determine the effect of various surfactant formulations. The oil free (i. e. no added oil) solutions showed a characteristic phase separation into an aqueous surfactant rich phase and an aqueous polymer rich phase, at some sufficiently high salinity (NaCl concentration), which is called the CEC. The CEC was found to be a characteristic of a given surfactant/alcohol combination, which shifts with the solubility of the surfactant, qualitatively the same way as the optimal salinity does.