The Dow process for producing perfluorinated ionomeric membranes includes several emulsion copolymerizations involving gaseous tetrafluoroethylene and a second liquid phase monomer. The choice of the organic phase monomer depends on the desired product. The emulsion copolymerization reactor model was developed by extending the Smith‐Ewart‐Gardon theory for emulsion polymerization processes. Population balance techniques and Flory‐Huggins solution theory were applied. The resulting coupled partial dif…
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