Novel water-soluble micellar interpolyelectrolyte complexes

Article Abstract:

Turbidimetry, analytical ultracentrifugation, and fluorescence spectroscopy were used to examine the interaction of polyisobutylene-block-poly(sodium methacrylate) diblock copolymer micelles with a strong cationic polyelectrolyte, poly(N-ethyl-4-vinylpyridinium bromide), in alkaline media. It was observed that the diblock copolymer micelles and the cationic polyelectrolyte form peculiar water-soluble micellar complex species.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Sodium, Sodium & Sodium Compounds, Usage, Sodium (Chemical element), Fluorescence spectroscopy

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Colloidal complexes obtained from charged block copolymers and surfactants: a comparison between small-angle neutron scattering, cryo-TEM, and simulations

Article Abstract:

Small-angle neutron scattering and cryo-transmission electron microscopy of complexes made from polyelectrolyte-neutral block copolymers and surfactants are reported. Two block copolymer/surfactant systems are investigated and it is found that the core is constituted from densely packed surfactant micelles, presumably connected by the polyelectrolyte chains.

Electron microscopy, Neutron scattering

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Comments on the scaling behavior of flexible polyelectrolytes within the Debye-Huckel approximation

Article Abstract:

The conformational behavior of flexible polyelectrolytes with electrostatic interactions described by the Debye-Huckel approximation is debated. It is suggested that more than one parameter is required to describe the internal chain behavior that is characterized by short-range flexibility and long-range stiffness.

Electrostatics

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