ポリエチレンオキシドと界面活性剤の相互作用

The interaction of surfactant with polyethylene oxide has been investigated by the measurement of viscosity in the aqueous solution.
The three samples of polymer examined in the present paper have the viscosityaverage molecular wergahts of 4.6×<10>^5, 2.05×<10>^6, and 3.83×<10>^6, respectively. Sodium lauryl sulfate and sodium laurate are used as surfactants.
The intrinsic viscosity of polyethylene oxide plotted against the concentration of surfactant shows a maximum peak or a steep curve in near region of critical micelle concentration of the surfactant. From these results obtained, the formation of a polymer-surfactant complex or micelle is surmised.