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Population Balance Model for Emulsion Polymerisation Under Pseudo‐Bulk Conditions: Combined Particle Size Distribution and Molecular Weight Distribution
Author(s) -
Sweetman Stephen J.,
Immanuel Charles D.,
Malik Tahir,
Emmett Simon,
Williams Neal
Publication year - 2006
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200651116
Subject(s) - particle size distribution , emulsion polymerization , particle size , emulsion , molar mass distribution , population , statistical physics , distribution (mathematics) , particle (ecology) , materials science , biological system , polymerization , mathematics , chemistry , physics , polymer , mathematical analysis , composite material , organic chemistry , demography , oceanography , sociology , biology , geology
A comprehensive model for emulsion polymerisation is presented, accounting for particle size distribution (PSD) and molecular weight distribution (MWD). The PSD information is incorporated through a population balance framework. A mechanistic formulation is adopted in modelling the average number of radicals/particle under pseudo‐bulk compartmentalisation conditions. The method of moments is adopted to simplify the MWD equations over each discrete size class. The impact of the pseudo‐bulk assumption on the PSD and MWD results is assessed. An identification of potential manipulated variables for control of PSD and MWD is done through sensitivity analysis.