AQUEOUS POLYTETRAFLUOROETHYLENE DISPERSION SOLUTION, AND METHOD FOR PRODUCTION THEREOF

• Main Authors: TSUDA, NOBUHIKO, SAWADA, YASUHIKO
• Format: Patent
• Language: English; French; Japanese
• Published: 31.12.2008
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

Disclosed is an aqueous polytetrafluoroethylene [PTFE] dispersion solution which does not contain perfluorooctanoic acid ammonium [PFOA] or a salt thereof and enables to produce a fine powder suitable for paste extrusion molding. Also disclosed is a method for producing the aqueous PTFE dispersion s...