Controlling the interconnectivity of PolyHIPE monoliths via photo-polymerization
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초록
내용
PolyHIPE (Poly High Internal Phase Emulsion) is a porous polymeric material derived directly from a high internal phase emulsion (HIPE). It exhibits a high porosity and enables easy control of pore structures, offering significant potential in various applications, including tissue engineering for scaffolds, enhanced filtration systems, and absorbent materials for environmental remediation. Controlling the interconnectivity between pores is crucial for determining the functionality of porous materials, so previous research have focused on this aspect. In contrast, we here thoroughly investigated the formation of the interconnectivity gradient during photo-polymerization. Detailed evaluations of pore structures were conducted using Scanning Electron Microscopy, and it was successfully confirmed that the degree of interconnectivity gradient can be precisely tuned by optimizing light intensity and monomer amount.