Aqueous dispersions of fluoropolymers

Fluorine-containing emulsifiers can be removed from fluoropolymer dispersions by adding to the dispersion a non ionic emulsifier, removing the fluorine-containing emulsifier by contact with an anion exchanger and separating the dispersion from the anion exchanger. The resulting dispersions can be co...

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Bibliographische Detailangaben
Hauptverfasser: Blädel, Hermann, Hintzer, Klaus, Löhr, Gernot, Schwertfeger, Werner, Sulzbach, Reinhard Albert
Format: Patent
Sprache:eng
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Zusammenfassung:Fluorine-containing emulsifiers can be removed from fluoropolymer dispersions by adding to the dispersion a non ionic emulsifier, removing the fluorine-containing emulsifier by contact with an anion exchanger and separating the dispersion from the anion exchanger. The resulting dispersions can be concentrated and used for coating applications.