Abstract

A thermodynamic model has been proposed for the simulation of monomer partition between the particles phase and the continuous phase in the dispersion polymerization of methyl methacrylate in methanol/water medium. The monomer concentrations in the polymer particles and in the continuous phase decrease as the polymerization proceeds. It is strongly dependent not only on initial monomer concentration but also polymerization temperature. The partition coefficient of methyl methacrylate between the polymer particles phase and continuous phase is almost constant in limited range with increasing conversion. There are two polymerization loci in dispersion polymerization, namely the continuous and particle phases, based on the molecular weight and its distribution, and the monomer partition study.

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