G Massiera et al 2003 J. Phys.: Condens. Matter 15 S225 doi:10.1088/0953-8984/15/1/329
G Massiera1, L Ramos1, E Pitard2 and C Ligoure1,3
Show affiliationsHairy wormlike micelles are constituted of surfactant micelles onto which amphiphilic copolymers are adsorbed. The copolymer layer induces a steric repulsion between the micelles, which is evidenced by the emergence of a broad peak in the structure factor for semi-dilute solutions. In this paper, we propose three experimental determinations of the thickness of the copolymer layer, h. We compare the results of the different approaches and show that both the numerical values of h and its variation with the surface density of the copolymer layer are in very good agreement with simple theoretical expectations.
Soft matter, liquids and polymers
Issue 1 (15 January 2003)
Received 24 October 2002
Published 16 December 2002
G Massiera et al 2003 J. Phys.: Condens. Matter 15 S225
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