Abstract
Light transmittance and NMR self-diffusion measurements were carried out on nonionic micellar systems of hexaethylene (C 12 E 6 ) and octaethylene (C 12 E 8 ) glycol mono-n-dodecyl ether in gels and solutions of agarose with and without NaSCN. The influence of agarose on the clouding behavior and the diffusion of C 12 E 8 and C 12 E 6 micelles as well as the effect of C 12 E 8 and C 12 E 6 on the gelation behavior of agarose was studied. The light transmittance measurements show that on increasing the agarose or surfactant concentration, the cloudpoint of the surfactant on cooling is decreased, indicating an incompatibility between dissolved agarose chains and surfactant (segregative phase behavior) as also demonstrated directly, whereas the gelation temperature of agarose remains practically unchanged
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