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.
期刊介绍：
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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