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The dispersion and self-assembly behavior of inorganic-polymer hybrid nanoparticles is a key point in the applications of these outstanding novel materials. In this work, the pH-responsive properties of core-shell nanoparticles of poly(acrylic acid) grafted carbon black (CB-g-PAA) dispersed in water were characterized by dynamic light scattering. The immobilized PAA chains were shown to control the level of CB-PAA nanoparticles dispersion in aqueous mixtures. The electrostatic-driven self-assembly of these hybrid particles, induced by cationic surfactant hexadecyltrimethylammonium bromide (CTAB) and star polyelectrolyte HPC-star-poly(2-(dimethy ethyl ammonium iodide) ethyl methacrylate) (HPC-star-poly(DMEAIEMA)), as the counter species was also characterized.
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Ding et al. (2012) studied this question.
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