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À propos de : Surface Rheology and Foam Stability of MixedSurfactant−Polyelectrolyte Solutions        

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  • Surface Rheology and Foam Stability of MixedSurfactant−Polyelectrolyte Solutions
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  • We have studied the surface rheology of mixed solutions of anionic polyelectrolytes and cationic surfactants.Surface elasticity and viscosity exhibit a maximum at a surfactant concentration much smaller than thatfor solutions of the pure surfactant. Foaming and foam stability were found to depend on these coefficients,although a systematic relation is difficult to establish. Still more surprisingly, the behavior of foams andfoam films is very different in these systems.
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