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Download Formation and Dynamics of Self-Organized Structures in by Kyoji Kawasaki, Bjoern Lindmann, Hirofumi Okabayashi PDF

By Kyoji Kawasaki, Bjoern Lindmann, Hirofumi Okabayashi

The overseas Symposium on Colloid and Polymer technological know-how used to be held at Nagoya Institute of know-how, Nagoya, Japan, in October 1996. this system lined either the elemental elements in addition to technological purposes of micelles, microemulsions, monolayers, and biocolloids. precise emphasis was once put on formation and dynamics of self-organized buildings, together with technical advancements, purposes, common thought, and result of investigations.

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Extra resources for Formation and Dynamics of Self-Organized Structures in Surfactants and Polymer Solutions

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By a physically reasonable spectral function we mean that the second and fourth moments of the spectral function must be finite to ensure a finite surface area per unit volume and a finite average square-mean curvature. The method has been put to test in the case of a nearly isometric AOT/DaO(NaC1)/H-decane microemulsion system as a function of surfactant volume fraction and as a function of salinity. The theoretical intensities can be made to agree with the scattering data in an absolute scale by adjusting three fitting parameters a, b, and c.

This negative lattice charge is in the crystal neutralized by potassium ions (and some sodium ions) located between the sheets. When a mica sheet is immersed in an aqueous solution the surface ions are dissolved and partly replaced by other ions present in solution, such as H 3 0 + [21]. 1x 10aSm -2, corresponding to a surface charge density of - 0 . 3 4 C m -2. The surface charge obtained in simple electrolyte solutions is normally orders of magnitude lower due to adsorption of cations present in solution [22, 23].

Hence, no polyelectrolytes are present in the solution in these experiments, except for the data presented in Fig. 8 where a different experimental procedure was used. Results o Fig. 2 Force normalized by radius as a function of surface separation between mica surfaces precoated with PCMA. 1 cmc (z). The arrows indicate inward jumps due to the presence of strongly attractive forces. 1 cmc compared to at lower surfactant concentrations. The normalized pull-off force is in this case about 25-30 mN/m.

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