Preparation of forest green nanoparticles by dyeing porous polymer emulsion
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Electrophoretic displays (EPDs) have attracted much attention due to their advantages such as low power consumption, wide viewing angles, lightweight, and flexibility. It is important that colored particles, one of the components of the EPDs, have a bright color and a narrow size distribution in order to achieve distinct colors and stable driving in the EPDs. Therefore, in this study, porous poly(methyl methacrylate) (PMMA) particles with a specific surface area were synthesized in order to display distinct forest green color. Subsequently, colored particles were made by adsorbing forest green dye. In addition, the porous colored particles were coated again with PMMA to prevent the dye from escaping into the solvent and to have a uniform particles size.