ELECTROPHOTOGRAPHIC TONER

ELECTROPHOTOGRAPHIC TONER

PROBLEM TO BE SOLVED: To provide a toner capable of keeping high transfer efficiency and obtaining a highly definition image without causing any change in the electrostatic charge characteristics even after repeated copying. SOLUTION: A matrix toner containing at least a chief resin and a colorant i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: URATA YOSHITAKA, KATO TAKESHI, TAKEI YUICHIRO, MORINISHI YASUHARU
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a toner capable of keeping high transfer efficiency and obtaining a highly definition image without causing any change in the electrostatic charge characteristics even after repeated copying. SOLUTION: A matrix toner containing at least a chief resin and a colorant is blended with silicon oxide having a specific surface area AS and silicon oxide having a specific surface area AL as a surface treating agent to obtain the objective toner. Both the silicon oxides have been made hydrophobic by treatment and the specific surface areas AS and AL satisfy the relation of 2