We investigate the effect of various spherical nanoparticles in a polymer matrix on\ndispersion, chain dimensions and entanglements for ionic nanocomposites at dilute and high\nnanoparticle loading by means of molecular dynamics simulations. The nanoparticle dispersion can\nbe achieved in oligomer matrices due to the presence of electrostatic interactions. We show that the\noverall configuration of ionic oligomer chains, as characterized by their radii of gyration, can be\nperturbed at dilute nanoparticle loading by the presence of charged nanoparticles. In addition,\nthe nanoparticleâ??s diffusivity is reduced due to the electrostatic interactions, in comparison to\nconventional nanocomposites where the electrostatic interaction is absent. The charged nanoparticles\nare found to move by a hopping mechanism.
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