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US 2026/0079418 A1Published application
Black toner
AssigneeCanon Kabushiki Kaisha
InventorsMASAYA KOMURO, MASATAKE TANAKA
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Abstract
A black toner has a black toner particle having a binder resin, a hydrocarbon wax, and carbon black, the black toner particle further contains at least one selected from the group consisting of copper phthalocyanine and zinc phthalocyanine, and the binder resin includes a vinyl resin having a specific monomer unit having a linear alkyl group with 8 to 22 carbon atoms.
Claims9
A black toner comprising a black toner particle comprising
- a binder resin,
- a hydrocarbon wax, and
- carbon black, wherein
- the black toner particle further comprises at least one selected from the group consisting of copper phthalocyanine and zinc phthalocyanine, and
- the binder resin comprises a vinyl resin having a monomer unit represented by the following formula (1):
- where, in formula (1), R1 represents a hydrogen atom or a methyl group, and R2 represents a linear alkyl group having 8 to 22 carbon atoms.
3 more elements
Dependencies are inferred from the claim text.