ELECTROPHOTOGRAPHIC TONER

PROBLEM TO BE SOLVED: To provide an electrophotographic toner excellent in all of storage stability, low temperature fixing property, offset resistance and environmental stability. SOLUTION: In the electrophotographic toner containing a binder resin and a coloring agent, the binder resin essentially...

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Bibliographische Detailangaben
Hauptverfasser:	TENJIKU EIJI, URATA YOSHITAKA, KATO TAKESHI, MATSUMOTO TAKATSURU, MURAKAMI TOSHIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electrophotographic toner excellent in all of storage stability, low temperature fixing property, offset resistance and environmental stability. SOLUTION: In the electrophotographic toner containing a binder resin and a coloring agent, the binder resin essentially consists of the following (A), (B) and (C). They are (A) a resin having 120 to 170 deg.C softening point, 58 to 75 deg.C glass transition point and 5 to 50 mass% chloroform insoluble content, (B) a resin having 90 to 120 deg.C softening point and 58 to 75 deg.C glass transition point, and (C) a crystalline polyester having 80 to 140 deg.C melting point. Further, the chloroform insoluble content of the binder resin is =1.5 probe penetration degree and 80 to 110 deg.C melting point.