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Abstract
A polymerizable cationic surfactant of acryloyloxyundecyl trimethylammonium bromide was synthesized and polymerized with methyl methacrylate and a crosslinker, ethylene glycol dimethacrylate, in microemulsions. Transparent porous materials were obtained by photoinitiated polymerization of a series of the bicontinuous microemulsions. Scanning electron micrographs of the polymerized samples show that porous microstructure polymers ranging from 0.10 to 0.20 μm were formed from precursor microemulsions containing 15 to 40% water. The microstructure is believed to be an open cell type as revealed from the drying rate curves by thermogravemetric analysis.