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Transport Of Nanoparticles In Polyelectrolyte Solutions As A Model Of Polymer Nanocomposite Processing, Jacinta Conrad, Ryan Poling, Firoozeh Babaye, Ramanan Krishnamoorti
Transport Of Nanoparticles In Polyelectrolyte Solutions As A Model Of Polymer Nanocomposite Processing, Jacinta Conrad, Ryan Poling, Firoozeh Babaye, Ramanan Krishnamoorti
Composites at Lake Louise (CALL 2015)
The transport properties of nanoparticles in complex confined media play a significant role in the processing of advanced polymer nanocomposites. In polymer nanocomposite processing, nanoparticles suspended in polymer resins must be efficiently dispersed to obtain optimal mechanical, electrical, thermal, and/or optical properties and eliminate stress concentrators. Here, we investigate the diffusion and dispersion of nanoparticles in solutions of unentangled polyelectrolytes as a model system in which to understand the coupling between particle and polymer dynamics in flow conditions representative of those encountered during nanocomposite processing.
First, we measure the long-time quiescent diffusivity of fluorescent polystyrene nanoparticles in dilute and semidilute …