Abstract
The utility of the growth mechanism to influence polystyrene particle size distributions is investigated via a competitive growth framework. A dynamic competitive growth model, extrapolated from an experimentally validated unimodal model, is used to simulate the semi-batch growth of two monodisperse particle populations at 50°C. Results show that the greatest relative narrowing between the two populations occurs at the particle monomer concentration ([M]p) saturation limit and decreases as [M]p is decreased towards a limited reaction lower bound. Simulations run at these limits provide the reachable regions starting from several initial diameter population pairs. The areas of these regions are found to be dependent on the magnitude of the initial diameter ratio and the individual particle sizes.
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