Invention Grant
- Patent Title: Toner and method for manufacturing toner
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Application No.: US17117883Application Date: 2020-12-10
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Publication No.: US11624986B2Publication Date: 2023-04-11
- Inventor: Ichiro Kanno , Takeshi Hashimoto , Kentaro Kamae , Hayato Ida
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JPJP2019-225355 20191213
- Main IPC: G03G9/087
- IPC: G03G9/087 ; G03G9/08 ; G03G9/097

Abstract:
A toner is provided, which has a toner particle containing a binder resin including a first resin and a second resin, wherein the first resin is a crystalline resin, the second resin is an amorphous resin, the first resin contains a specific amount of a first monomer unit having a specific structure, an acid value of the first resin and an acid value of the second resin are within specific ranges, a domain-matrix structure formed of a matrix containing the first resin and domains containing the second resin appears in cross-sectional observation of the toner, the toner particle contains a multivalent metal element, the multivalent metal element is at least one metal element selected from the group consisting of Mg, Ca, Al, Fe and Zn, and a total content of the multivalent metal element is within a specific range.
Public/Granted literature
- US20210181649A1 TONER AND METHOD FOR MANUFACTURING TONER Public/Granted day:2021-06-17
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