Toner and image forming apparatus

To provide a toner, which contains: toner base particles each containing a binder resin and a colorant; and an external additive containing inorganic particles and fatty acid metal salt particles, wherein the inorganic particles contain at least hydrophobic silica particles, wherein a liberation rat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SATOH TOMOYUKI, INOUE DAISUKE, UCHINOKURA OSAMU, HONDA TAKAHIRO, HOZUMI MAMORU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:To provide a toner, which contains: toner base particles each containing a binder resin and a colorant; and an external additive containing inorganic particles and fatty acid metal salt particles, wherein the inorganic particles contain at least hydrophobic silica particles, wherein a liberation ratio Ya of the hydrophobic silica particles from the toner is 1% by mass to 20% by mass, and wherein a libration ratio Yb of the fatty acid metal salt particles from the toner is 30% by mass to 90% by mass.