Abstract
A comparative study of the suspension polymerization of methyl methacrylate and the corresponding nonreactive monomer−water dispersion was carried out. The main conclusion was that, even with a fully stabilized dispersion, the average sizes of drops/particles from the suspension polymerization and dispersion processes might not be the same. An increase in the viscosity of the drops during the early transition stage in a suspension polymerization is sufficient to enhance the drop stability against breakup and to increase the steady-state drop size in comparison with that in the nonreactive dispersion. Any change which leads to an increase in the rate of drop breakup, such as increasing the impeller speed and the stabilizer concentration, narrows the gap between the steady-state drop sizes in the reactive and nonreactive systems. It was shown that the information obtained from nonreactive monomer−water dispersion processes is quite useful in the analysis of events occurring in the course of corresponding su...
Published Version
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