Invention Grant
- Patent Title: Method for producing electrostatic latent image developing toner
- Patent Title (中): 静电潜像显影用调色剂的制造方法
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Application No.: US14191023Application Date: 2014-02-26
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Publication No.: US09329507B2Publication Date: 2016-05-03
- Inventor: Yoichiro Watanabe
- Applicant: KYOCERA DOCUMENT SOLUTIONS INC.
- Applicant Address: JP Osaka
- Assignee: KYOCERA Document Solutions Inc.
- Current Assignee: KYOCERA Document Solutions Inc.
- Current Assignee Address: JP Osaka
- Agency: Studebaker & Brackett PC
- Priority: JP2013-038024 20130227
- Main IPC: G03G9/093
- IPC: G03G9/093 ; G03G9/08

Abstract:
An electrostatic latent image developing toner containing a plurality of toner particles, each including a binder resin and a release agent, is provided. The surface hardness of the toner particle, measured by a nanoindentation method, satisfies the following conditions (1) and (2): (1) The surface hardness of the toner particle attained with a displacement of 10 nm is 1 GPa or more and 3 GPa or less; and (2) the surface hardness of the toner particle attained with a displacement of 100 nm is 1 GPa or less.
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