The Modeling and Study of Depletion Interaction at mixture of C<sub>12</sub>E<sub>5</sub> Microemulsion with Polyethylene Glycol Polymer — Oak Academic Publishing
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The Modeling and Study of Depletion Interaction at mixture of C<sub>12</sub>E<sub>5</sub> Microemulsion with Polyethylene Glycol Polymer
Department of Physics, University of Sistan and Baluchestan, 98135-674 Zahedan, Iran
he photon correlation spectroscopy and small-angle X-ray scattering is used for study the mixture of C 12 E 5 microemulsion with PEG in order to determine structure and dynamic of the system. Photon correlation spectroscopy experiment showed an exponential relaxation for pure C 12 E 5 microemulsion that come from Brownian motion of oil nano-droplets in water. The shape of the relaxation changed with increasing of PEG concentration in the C 12 E 5 microemulsion, (relaxation becomes non-exponential with the increase of PEG), which demonstrates an increase of cooperatively in the C 12 E 5 microemulsion. The SAXS experiment was used to study the structure of the system, and a model consists of a mixture of core-shell spheres with an Asakura-Oosawa interaction was applied to analyze data.
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