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Mathematical modeling of polystyrene particle size distribution produced by suspension polymerization

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Author(s): Machado R.A.F. | Pinto J.C. | Araújo P.H.H. | Bolzan A.

Journal: Brazilian Journal of Chemical Engineering
ISSN 0104-6632

Volume: 17;
Issue: 4-7;
Start page: 395;
Date: 2000;
Original page

Keywords: Suspension polymerization | particle size distribution | population balance | coalescence | breakage

ABSTRACT
Particle size distribution (PSD) of polystyrene particles produced by suspension polymerization is of fundamental importance in determining suspension stability and product quality attributes. Within a population balance framework, a model is proposed for suspension polymerization reactors to describe the evolution of the PSD. The model includes description of breakage and coalescence rates in terms of reaction kinetics and rheology of the dispersed phase. The model is validated with experimental data of styrene suspension polymerization.

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