Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

An electrostatic charge image developing toner includes toner particles containing a binder resin and a release agent; and an external additive containing fatty acid metal salt particles, wherein a non-attachment rate representing a percentage of the fatty acid metal salt particles not attached to t...

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Bibliographische Detailangaben
Hauptverfasser: Saito Yutaka, Yamagishi Yuka, Omori Hiroki, Tasaki Mona, Kiyono Fusako
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An electrostatic charge image developing toner includes toner particles containing a binder resin and a release agent; and an external additive containing fatty acid metal salt particles, wherein a non-attachment rate representing a percentage of the fatty acid metal salt particles not attached to the toner particles before ultrasonic desorption treatment is 45% or less and a weak attachment rate representing a percentage determined by subtracting the non-attachment rate from a percent of the fatty acid metal salt particles not attached to the toner particles after ultrasonic desorption treatment is 55% or more.