Positivladetoner

Details

Veröffentlichungs-Nr.

EP3582018

Aktenzeichen

EP19179607

Anmeldetag

12. Juni 2019

Veröffentlichung

27. März 2024

Erteilung

27. März 2024

Rechtsraum

EP

IPC

G03G9/087G03G9/097G03G9/08

Abstract

<div notation="docdba" type="abstract" xml:lang="en"><p>Provided is a positive-charging toner having a toner particle that contains a binder resin, the binder resin contains a polymer A having a first monomer unit derived from a first polymerizable monomer, and a second monomer unit derived from a second polymerizable monomer, the first polymerizable monomer is at least one selected from the group consisting of (meth)acrylic acid esters having a C18 to C36 alkyl group, the content of the first monomer unit in the polymer A is 5.0 to 60.0 mol% and the content of the second monomer unit is 20.0 to 95.0 mol%, SP&lt;sub>11&lt;/sub>of the first monomer unit and SP&lt;sub>21&lt;/sub>of the second monomer unit satisfy 3.00 ≤ (SP&lt;sub>21&lt;/sub>- SP&lt;sub>11&lt;/sub>) ≤ 25.00, and the work function of the toner is 5.0 to 5.4 V.</p></div>

Anmelder

Firma

CANON KABUSHIKI KAISHA

Land

🇯🇵 Japan

Fachgebiete