METHOD FOR PRODUCING AQUEOUS DISPERSION, AQUEOUS DISPERSION, FLUORORESIN COATING COMPOSITION AND COATED ARTICLE

A method for preparing an aqueous dispersion, an aqueous dispersion prepared by the method, a fluorocarbon resin paint composition containing the dispersion, and a product coated with the composition are provided to obtain an aqueous dispersion of a fluorocarbon resin particle having small size, the...

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Bibliographische Detailangaben
Hauptverfasser:	YONEI YASUSHI, ASAI MANABU, FUWA TSUNEHIKO, TORII HIROSHI, TERASAKA KIYOTARO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A method for preparing an aqueous dispersion, an aqueous dispersion prepared by the method, a fluorocarbon resin paint composition containing the dispersion, and a product coated with the composition are provided to obtain an aqueous dispersion of a fluorocarbon resin particle having small size, thereby improving the crack resistance of coated film. A method for preparing an aqueous dispersion comprises the steps of pulverizing a fluorocarbon resin particle under the gas atmosphere; and dispersing the pulverized fluorocarbon resin particle in an aqueous medium and passing it through the path having a width of 50-500 micrometers at a pressure of 50-10,000 kg/cm^2 to pulverize further the fluorocarbon resin particle, thereby preparing an aqueous dispersion where a fluorocarbon resin particle having an average diameter of 0.3-5 micrometers is dispersed.