부가기능
Solvent Removal During Curing Process of Highly Spheric and Monodispersed-Sized Polystyrene Capsules from Density-Matched Emulsions Composed of Water and Benzene/1,2-Dichloroethane - For the curing process of highly spheric monodispersed 4-mm-in-diameter polystyrene capsules with uniform thickness from W/O/W emulsions, the masses of the solvents were measured for the oil phases and the distillate and calculated for the water phase. The analysis of the solvents in the water phase indicated that the process was governed by the kinetics of their dissolving from the oil phase to the outer water phase rather than by the vapor pressure of the solvents in the early stage before the oil phase lost its fluidity. In order to prepare the capsules by this method, the solubility of the solvents in water is crucial/
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