Transformation of Aqueous Methyl Methacrylate Solution into Stable Monodisperse Latex via Polymerization Initiated by Hydroquinone–Potassium Persulfate System
A. A. Hovhannisyan, G. K. Grigoryan, A. G. Nadaryan, N. H. Grigoryan
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引用次数: 0
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.
期刊介绍：
Colloid Journal (Kolloidnyi Zhurnal) is the only journal in Russia that publishes the results of research in the area of chemical science dealing with the disperse state of matter and surface phenomena in disperse systems. The journal covers experimental and theoretical works on a great variety of colloid and surface phenomena: the structure and properties of interfaces; adsorption phenomena and structure of adsorption layers of surfactants; capillary phenomena; wetting films; wetting and spreading; and detergency. The formation of colloid systems, their molecular-kinetic and optical properties, surface forces, interaction of colloidal particles, stabilization, and criteria of stability loss of different disperse systems (lyosols and aerosols, suspensions, emulsions, foams, and micellar systems) are also topics of the journal. Colloid Journal also includes the phenomena of electro- and diffusiophoresis, electro- and thermoosmosis, and capillary and reverse osmosis, i.e., phenomena dealing with the existence of diffusion layers of molecules and ions in the vicinity of the interface.
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