Abstract
Styrene-divinylbenzene copolymers with porous structures were prepared by suspension polymerization using diluents during polymerization. These diluents, having different affinities for the copolymers, produced changes in their morphology. Various diluent compositions were employed in order to discover their influence on the porous structure of the copolymers. The proportion and type of diluents were varied. n-Heptane was used as a precipitant in association with isoamyl acetate and ethyl acetate. The morphological changes were evaluated by apparent density, specific area and porosity. A study was also made of the influence of the divinylbenzene content in the synthesis of the copolymers on their morphological characteristics.
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