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Molecular factors governing the viscosity peak of giant micelles in the presence of salt and fragrances

Pleines, Maximilian ; Kunz, Werner ; Zemb, Thomas ; Benczedi, Daniel ; Fieber, Wolfgang



Abstract

The formation of transient networks of giant micelles leads to a viscosity peak when salt is added to aq. solns. of charged surfactants. It is the consequence of an increase of the packing parameter due to charge screening of the surfactant headgroups, leading to a continuous transformation of the aggregates from spherical to wormlike micelles, and finally to branched networks. It should ...

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