TONER AND DEVELOPER COMPOSITIONS WITH SURFACE ADDITIVES

TONER AND DEVELOPER COMPOSITIONS WITH SURFACE ADDITIVES

A developer composition comprised of a toner comprised of resin, carbon black, magnetite, and a positive charge enhancing additive, and a surface additive mixture comprised of a polymeric hydroxy compound and a colloidal silica treated with a quaternary ammonium salt compound; and carrier particles...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOPKO, JOHN J, PICKERING, JULIE C, SOMMERS, RAYMOND L
Format: Patent
Sprache:eng ; fre
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A developer composition comprised of a toner comprised of resin, carbon black, magnetite, and a positive charge enhancing additive, and a surface additive mixture comprised of a polymeric hydroxy compound and a colloidal silica treated with a quaternary ammonium salt compound; and carrier particles comprised of a ferrite core with a polymer mixture coating thereover.