METHOD OF PRODUCING FLUOROPOLYMER

METHOD OF PRODUCING FLUOROPOLYMER

Provided are novel methods for producing fluoropolymers. The disclosure relates to a method for producing a fluoropolymer, the method including a polymerizing step of polymerizing tetrafluoroethylene in an aqueous medium in the presence of an initiator, a chain transfer agent, and a surfactant to pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ISHIHARA, Sumi, NAKANO, Marina, HIGASHI, Masahiro, KISHIKAWA, Yosuke
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:Provided are novel methods for producing fluoropolymers. The disclosure relates to a method for producing a fluoropolymer, the method including a polymerizing step of polymerizing tetrafluoroethylene in an aqueous medium in the presence of an initiator, a chain transfer agent, and a surfactant to provide a fluoropolymer containing more than 80 mol% of a polymerized unit based on tetrafluoroethylene, the chain transfer agent including at least one selected from the group consisting of a dithioester compound, a dithiocarbamate compound, a trithiocarbonate compound, and a xanthate compound.