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US 2025/0199428 A1Published application
Toner
AssigneeCanon Kabushiki Kaisha
InventorsSHUHEI IWASAKI, KENTARO YAMAWAKI, YUKI MASUDA, KENJI AOKI
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Abstract
A toner comprising a toner particle comprising a binder resin, wherein the binder resin comprises a crystalline vinyl resin and an amorphous vinyl resin, the crystalline vinyl resin comprises 5.0% by mass or more of a specific monomer unit (a) having at least two alkyl groups having 16 to 30 carbon atoms, based on the mass of the crystalline vinyl resin, and the amorphous vinyl resin comprises a tetrahydrofuran insoluble matter.
Claims9
A toner comprising a toner particle comprising a binder resin, wherein
- the binder resin comprises a crystalline vinyl resin and an amorphous vinyl resin,
- the crystalline vinyl resin comprises 5.0% by mass or more of a monomer unit (a) represented by a following formula (1), based on a mass of the crystalline vinyl resin:
- in the formula (1), at least two of R1 to R4 are each independently —X—CO OR5, and the remaining are each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, X is a single bond or an alkylene group having 1 or 2 carbon atoms, and R5 is an alkyl group having 16 to 30 carbon atoms, and
- the amorphous vinyl resin comprises a tetrahydrofuran insoluble matter.
1 more element
Dependencies are inferred from the claim text.