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Several important polymerizations [e.g., polymethylmethacrylate (PMMA), polystyrene (PS), etc.] exhibit the gel, glass and cage effects during polymerization. These are associated with the decrease of the diffusivities of the macroradicals, monomer molecules and primary radicals with increasing viscosities of the reaction mass. The recent model of Seth and Gupta [V. Seth, S.K. Gupta, J. Polym. Eng...
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