Abstract
A mathematical model for bulk and suspension polymerization of methylmethacrylate has been extended to solution polymerization and verified experimentally. On the basis of the model two operating strategies are analysed for suspension and concentrated solution polymerization. For suspension polymerization, a batch operation under isothermal followed by adiabatic conditions can be adopted in industrial reactors. This gives a good approximation to the optimal temperature profile which makes it possible to eliminate the bimodality in the molecule weight distribution curves. For concentrated solutions carried out in a tubular reactor, the solvent concentration can play a key role in limiting the increase in molecular weight during the gel effect and thus in controlling the molecular weight distribution.
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