Abstract
This paper reports a facile approach to glycidyl methacrylate (GMA)-based polyHIPE monoliths with high epoxy-group content, which are fabricated using a high internal phase emulsion (HIPE) template via radiation-induced polymerization at room temperature. The effects of the polymerization temperature and the pore sizes of polyHIPE monoliths on the content of epoxy groups are investigated. Results show that the polymerization temperature is the most important factor in influencing the content of epoxy groups in GMA-based polyHIPE monoliths. To prove their superiority over monoliths with low epoxy-group contents, the as-prepared polyHIPE monoliths are applied in phenol removal from cigarette smoke through a reaction between the epoxy group and phenol. The results show that the higher the content of epoxy groups in the polyHIPE monoliths, the higher the rate of phenol removal, indicating their high performance in these specific applications for the polyHIPE monoliths with high epoxy-group contents.
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