Title:
TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT
Document Type and Number:
WIPO Patent Application WO/2023/127815
Kind Code:
A1
Abstract:
Provided is a toner for electrostatic image development that contains coloring resin particles containing a binder resin, a coloring agent, an electrostatic charge control agent, and a crystalline material. When reflection electron images of cross sections of the coloring resin particles are observed using a scanning electron microscope, the total area ratio of domains of the crystalline material on the cross sections of the coloring resin particle is 10-30%, and the average number of the domains of the crystalline material that are present on the cross sections of the coloring resin particles is 5-40 per particle.
Inventors:
CHIBA TAKERU (JP)
Application Number:
PCT/JP2022/047963
Publication Date:
July 06, 2023
Filing Date:
December 26, 2022
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
G03G9/097; G03G9/08; G03G9/087
Domestic Patent References:
| WO2020045664A1 | 2020-03-05 | |||
| WO2019065868A1 | 2019-04-04 | |||
| WO2017179357A1 | 2017-10-19 |
Foreign References:
| JP2019012188A | 2019-01-24 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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