Abstract

Studies of hysteresis and stress relaxation in vertically suspended liquid laminae are reported. A model consisting of two Maxwell units in parallel is proposed to describe the phenomena. Based upon the model, elastic and viscous parameters are calculated. The stabilizing surface films studied were protein, e.g., hemoglobin, ovalbumin, lysozyme, egg yolk lipoportein, or other surface-active materials, e.g., saponin, Alipa CO-436, Igepal CO-630, or Igepal CO-880.

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