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Abstract <p>The goal of this work is to determine the possibilities to synthesize stable latex with a narrow particle size distribution by homogeneous polymerization of methyl methacrylate in an aqueous solution. For the first time, methyl methacrylate is polymerized under static conditions in an aqueous solution of a hydroquinone–potassium persulfate redox system. It is assumed that semiquinone radical anions formed at the intermediate stage of hydroquinone oxidation can participate in the termination of growing radicals and affect the process of formation of latex particles by changing parameters of polymer molecules. The article presents the results of studying the colloidal parameters of the obtained latex, which show that the selected polymerization conditions make it possible to reproducibly synthesize monodisperse stable latexes.</p>

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Transformation of Aqueous Methyl Methacrylate Solution into Stable Monodisperse Latex via Polymerization Initiated by Hydroquinone–Potassium Persulfate System

  • 期刊论文

  • 发表日期：

    2025年6月25日

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  • A. A. Hovhannisyan,
  • G. K. Grigoryan,
  • A. G. Nadaryan,
  • N. H. Grigoryan

摘要

Abstract

The goal of this work is to determine the possibilities to synthesize stable latex with a narrow particle size distribution by homogeneous polymerization of methyl methacrylate in an aqueous solution. For the first time, methyl methacrylate is polymerized under static conditions in an aqueous solution of a hydroquinone–potassium persulfate redox system. It is assumed that semiquinone radical anions formed at the intermediate stage of hydroquinone oxidation can participate in the termination of growing radicals and affect the process of formation of latex particles by changing parameters of polymer molecules. The article presents the results of studying the colloidal parameters of the obtained latex, which show that the selected polymerization conditions make it possible to reproducibly synthesize monodisperse stable latexes.