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2013•Russian Journal of Applied ChemistryRequires access

The seed heterophase polymerisation as a method of forming crosslinked monodisperse microspheres

Н. Н. Шевченко, T. G. Evseeva, D. I. Shevaldysheva, Б. М. Шабсельс, Yu. O. Skurkis, A. Yu. Men’shikova

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Abstract

Crosslinked monodisperse microspheres of a diameter 3–10 μm were synthesized by a method of heterophase copolymerization of ethylene glycol dimethacrylate or styrene with divinylbenzene and methacrylic acid on seed nuclei produced by dispersion polymerization of styrene. The diameter and distribution of the microspheres by size, their morphology and surface structure were analyzed by SEM. Factors that control these characteristics of the microspheres in the polymerization process were determined. Swelling ability of the microspheres in toluene and dimethylformamide was evaluated using optical microscopy.

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What this paper is about

Crosslinked monodisperse microspheres of a diameter 3–10 μm were synthesized by a method of heterophase copolymerization of ethylene glycol dimethacrylate or styrene with divinylbenzene and methacrylic acid on seed nuclei produced by dispersion polymerization of styrene. The diameter and distribution of the microspheres by size, their morphology and surface structure were analyzed by SEM. Factors that control these characteristics of the microspheres in the polymerization process were determined. Swelling ability of the microspheres in toluene and dimethylformamide was evaluated using optical microscopy.

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Available abstract

Crosslinked monodisperse microspheres of a diameter 3–10 μm were synthesized by a method of heterophase copolymerization of ethylene glycol dimethacrylate or styrene with divinylbenzene and methacrylic acid on seed nuclei produced by dispersion polymerization of styrene. The diameter and distribution of the microspheres by size, their morphology and surface structure were analyzed by SEM. Factors that control these characteristics of the microspheres in the polymerization process were determined. Swelling ability of the microspheres in toluene and dimethylformamide was evaluated using optical microscopy.

Key concepts: Dispersity, Copolymer, Dispersion polymerization, Chemistry, Methacrylic acid, Polymer chemistry, Styrene, Polymerization

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