Toner zur Entwicklung Elektrostatischer Ladungsbilder, Entwickler, Tonerkartusche, Prozesskartusche, Bilderzeugungsvorrichtung und Bilderzeugungsverfahren

Details

Veröffentlichungs-Nr.

EP4715468

Anmeldetag

26. Mai 2025

Veröffentlichung

25. März 2026

Rechtsraum

EP

IPC

G03G9/08, G03G9/087(KAJIHARA HISASUKE et al.)(HARA SATOMI et al.)(KAWAMURA TAKAKI et al.)

Abstract

An electrostatic charge image developing toner contains toner particles containing a binder resin, a release agent, and resin particles forming a domain inside the toner particles, in which the binder resin includes a polyester resin, an average ester group concentration c1 of the binder resin is 25% by mass or more and 48% by mass or less, and in a case where an ester group concentration of the resin particles is denoted by c2, a value of c2/c1 is 0.30 or more and 0.70 or less.

Anmelder

Firma

FUJIFILM Business Innovation Corp.

Land

🇯🇵 Japan