NEGATIVE CHARGE TYPE TONER

NEGATIVE CHARGE TYPE TONER

PROBLEM TO BE SOLVED: To prevent retransfer under various conditions of electric current for transfer and to attain high image density by adding specified fine particles of an N-contg. high molecular compd. to toner matrix particles and imparting a specified heat absorption peak. SOLUTION: Fine part...

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Bibliographische Detailangaben
Hauptverfasser: YUSA HIROSHI, NOZAWA KEITA, URAWA MOTOO, KARAKI YUKI
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Zusammenfassung:PROBLEM TO BE SOLVED: To prevent retransfer under various conditions of electric current for transfer and to attain high image density by adding specified fine particles of an N-contg. high molecular compd. to toner matrix particles and imparting a specified heat absorption peak. SOLUTION: Fine particles of an N-contg. high molecular compd. having 0.05-2.0μm, preferably 0.1-1.0μm average particle diameter are stuck to toner matrix particles preferably by 0.01-0.3 part by mass to obtain the objective negative charge type toner having one or more heat absorption peaks by differential thermal analysis in a range of