Complex polyion-surfactant ion salts in equilibrium with water: Changing aggregate shape and size by adding oil

Article Abstract:

An examination of the phase behavior of ternary mixtures containing an alkyltrimethylammonium polyacrylate complex salts, water, and a nonpolar 'oil' (n-decanol, p-xylene or cyclohexane) is done to get a complete picture on how various oils are included into assemblies of complex surfactant salts with polymeric counterions, and their resultant impact with regards to structural changes. Results indicate a much more limited swelling of the lamellar phases within polymeric counterions by water which is prominently attributed to bridging due to the polyions.

Petrochemical Manufacturing, Xylenes, Optical properties, Xylene, Structure, X-ray analysis, Heavy ions

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Phase behavior of aqueous polyanion-surfactant ion complex salts: Effects of polyion charge density

Article Abstract:

The effect of changing the fraction of charged monomer units of the polyion in aqueous polyion-oppositely charged surfactant complex salts is examined. It is shown that the average surfactant aggregation number in the surfactant aggregates has decreased when the fraction of charged monomers is decreased.

Analysis, Monomers, Aqueous solution reactions, Atomic properties

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Vesicle formation in amylose-surfactant mixtures

Article Abstract:

The use of cryo-transmission electron microscopy in an attempt to visualize the structures formed in aqueous mixture of amylose (AM) and surfactant sodium dodecyl sulfate (SDS) is presented. It is concluded that the vesicles consist of AM-SDS complexes.

Usage, Electric properties, Electron microscopy

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