Invention Grant
- Patent Title: Toner for electrostatic-charge image development and method for producing toner for electrostatic-charge image development
- Patent Title (中): 静电荷图像显影用调色剂和静电荷图像显影用调色剂的制造方法
-
Application No.: US14013839Application Date: 2013-08-29
-
Publication No.: US09023573B2Publication Date: 2015-05-05
- Inventor: Seiji Kikushima
- Applicant: KYOCERA Document Solutions Inc.
- Applicant Address: JP Osaka-shi
- Assignee: KYOCERA Document Solutions Inc.
- Current Assignee: KYOCERA Document Solutions Inc.
- Current Assignee Address: JP Osaka-shi
- Agency: Knobbe Martens Olson & Bear LLP
- Priority: JP2012-191850 20120831
- Main IPC: G03G9/093
- IPC: G03G9/093 ; G03G9/087 ; G03G9/08

Abstract:
A toner for electrostatic-charge image development contains toner particles in which the surfaces of core particles, including a binder resin composed of a polyester resin, are coated with shell layers. The shell layer is formed of a resin composed of a copolymer of monomers including a monomer having a quaternary ammonium group and a (meth)acrylic copolymer. The molar ratio of units derived from a monomer having a quaternary ammonium group is 5 mol % or more and 35 mol % or less.
Public/Granted literature
Information query