Toner
AssigneeCanon Kabushiki Kaisha
InventorsGAKU SATO, JUNICHI TAMURA, HAYATO IDA, TAKESHI HASHIMOTO
Life of this patent
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Abstract
A toner is provided, which has a toner particle including a binder resin and inorganic fine particles, wherein the binder resin includes a crystalline vinyl resin having a specific monomer unit having at least two long-chain alkyl groups, the content of the specific monomer unit is at least 5.0% by mass, based on the mass of the crystalline vinyl resin, the inorganic fine particles each have on a surface thereof alkyl groups, and the content of the inorganic fine particles is 0.10% by mass to 15.00% by mass, based on the mass of the toner particle.
Claims13
A toner comprising a toner particle comprising a binder resin and an inorganic fine particle, wherein
- the binder resin comprises a crystalline vinyl resin having a monomer unit represented by a following formula (1),
- a content of the monomer unit represented by the following formula (1) is at least 5.0% by mass, based on a mass of the crystalline vinyl resin,
- the inorganic fine particle has at a surface thereof an alkyl group, and
- a content of the inorganic fine particle is 0.10 to 15.00% by mass, based on the mass of the toner particle:
- in formula (1), at least two of R1 to R4 are each independently —X—COOR5, 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.
Dependencies are inferred from the claim text.