Method of purifying a dispersion of ionic fluoropolymer

Details Method of purifying a dispersion of ionic fluoropolymer Method of purifying a dispersion of ionic fluoropolymer

C - Chemistry, Metallurgy

08

F

C08F 14/18 (2006.01) C08F 214/18 (2006.01)

Patent

CA 2573759

Anionic species are removed from aqueous dispersions of ionic fluoropolymers using anion exchange resins. In some embodiments, cationic species are also removed using cation exchange resins.

La présente invention décrit une méthode de séparation des espèces anioniques d'émulsions aqueuses de fluoropolymères ioniques, en utilisant des résines échangeuses d'anions. Dans certains modes de réalisation de l'invention, des espèces cationiques sont également séparées de l'émulsion en utilisant des résines échangeuses de cations.

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