DYE AND COMPOSITION FOR MAGENTA COLOR TONER

PURPOSE:To enhance melt mixability, to stabilize image density obtained by successive copying by repeating development, and to improve lightfastness by using the dye for a specified magenta color toner. CONSTITUTION:This dye and composition for the magenta color toner contains at least one of dye re...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUZAKI YORIAKI, TAKUMA HIROSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY LAKES MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHOTOGRAPHY PHYSICS POLISHES
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Beschreibung
Zusammenfassung:	PURPOSE:To enhance melt mixability, to stabilize image density obtained by successive copying by repeating development, and to improve lightfastness by using the dye for a specified magenta color toner. CONSTITUTION:This dye and composition for the magenta color toner contains at least one of dye represented by the formula, in which R is alkyl, alkoxyalkyl, aralkyl, or an optionally substituted containing >=1 N, 0, or S atoms. The color toner containing this dye can be obtained by adding a suitable amount of this dye into a binder resin, and a negatively chargeable color toner is obtained by this method. As the carrier to be used together with this toner, a magnetic material, such as iron, cobalt, or nickel, or each alloy, or each mixture coated on the surface can be used.