Influence of Benzoyl Peroxide and Divinylbenzene Concentrations on the Properties of Poly(glycidyl methacrylate-co-divinylbenzene) Magnetic Microspheres
Washington José Fernandes Formiga, Manoel Ribeiro da Silva, Henrique Almeida Cunha, Jacira Aparecida Castanharo, Ivana Lourenço de Mello de Ferreira, Marcos Antonio da Silva Costa
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Abstract
In this work, the synthesis of magnetic microspheres of poly(glycidyl methacrylate-co-divinylbenzene) via suspension polymerization is reported. The concentrations of divinylbenzeneand benzoyl peroxide in the microspheres synthesis are studied. The microspheres, characterized by thermal analysis , scanning electron microscopy, vibrating sample magnetometry , and light scattering detection , show good morphological control and thermal stability. This material presents a narrow size range and an appreciable fraction of superparamagnetic particles. The increase in divinylbenzene concentration can cause a decrease in the mean diameter of the microspheres. On the other hand, the increase in benzoyl peroxide concentration causes an increase in the mean diameter of the microspheres.
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Macromolecular Reaction Engineering is the established high-quality journal dedicated exclusively to academic and industrial research in the field of polymer reaction engineering.
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