Feb 18, 2014

Marangoni stresses and surface compression rheology of surfactant solutions. Achievements and problems

Advances in Colloid and Interface Science
D Langevin, F Monroy


In the presence of soluble surfactants, the motion of liquid surfaces involves Marangoni effects. As a consequence, the surfaces exhibit elastic responses, even frequently behaving as rigid surfaces, especially at low surfactant concentration. The Marangoni effects can be conveniently quantified introducing surface viscoelastic compression parameters that characterize the mechanical response of the surface near equilibrium. Many experimental techniques allow measuring the viscoelastic parameters. However, many difficulties are encountered during the interpretation of the surface response in the various types of hydrodynamic velocity fields involved in the different techniques. The role of adsorption and desorption energy barriers appears crucial, despite the fact that little is known yet about their values. In this short review, we will present examples illustrating the different problems.

  • References18
  • Citations4


  • References18
  • Citations4


Mentioned in this Paper

Muscle Rigidity
Mucocutaneous Lymph Node Syndrome
Bulbo-Spinal Atrophy, X-Linked
Surfactant [EPC]
Endogenous Surfactants
Digestive Surfactants
Pulmonary Surfactants

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