Temperature-dependent phase behavior of polyelectrolyte-mixed micelle systems
Article Abstract:
Turbidimetry and dynamic light scattering are used for examining the effect of temperature on the phase behavior of a polycation-anionic/nonionic mixed micelle system over a wide range of surfactant compositions, ionic strengths and polycations molecular weights. The dense liquid phases isolated after coacervation have disclosed a number of interesting optical and rheological properties, which are attributed to shear-induced phase separation.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2007
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Viscoelastic micellar solutions in nonionic fluorinated surfactant systems
Article Abstract:
The formation and rheological behavior of viscoelastic wormlike micellar solution in an aqueous solution of a nonionic fluorinated surfactant, perfluoroakyl sulfonamide ethoxylate, of structure C8F17S[O.sub.2]N(C3H7)[(CH2-CH2O).sub.10]H is studied. Dynamic light-scattering measurements indicate the presence of fast relaxation modes, associated with micelles, and medium and slow modes, associated with transient networks.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Oil-induced anomalous thermoresponsive viscoelasticity in fluorinated surfactant systems
Article Abstract:
A study report on the rheology and structure of mixed fluorinated surfactant/oil systems which was conducted by using rheometry and small-angle X-ray Scattering (SAXS) is presented. Addition of a trace amount of fluorinated oils induces modulation in the structure of the micelles and eventually short rods or spherical particles are formed.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2007
User Contributions:
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