Powder coatings

[Problem] To provide a powdered coating material for producing a coating that exhibits superior heat resistance and can maintain superior properties over a long period of time in a high-temperature environment of 250°C or higher. [Solution] A powdered coating material containing a naphthalene epoxy...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SASAKI, FUMIYUKI, NEGISHI, HIROMITSU
Format:	Patent
Sprache:	chi ; 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:	[Problem] To provide a powdered coating material for producing a coating that exhibits superior heat resistance and can maintain superior properties over a long period of time in a high-temperature environment of 250°C or higher. [Solution] A powdered coating material containing a naphthalene epoxy resin and an aralkyl resin is prepared. A phenol aralkyl resin is used as the aralkyl resin. The powdered coating material is prepared so that it takes at least 10 hours for the residual weight to become 95% of the initial weight at 250°C as calculated by the Flynn-Wall-Ozawa (FWO) method.