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US 12,216,432 B2Granted
Toner
AssigneeKYOCERA Document Solutions Inc.
InventorHaruhiro Hatajiri
Life of this patent
Estimating the term…
Abstract
A toner includes toner particles. The toner particles each include a toner mother particle and an external additive attached to the surface of the toner mother particle. The external additive includes specific resin particles. The specific resin particles contains a specific resin having an alkoxysilyl group. The specific resin may include a first repeating unit derived from a specific monomer having the alkoxysilyl group and a (meth)acryloyl group.
Claims3
A toner comprising toner particles, wherein
- the toner particles each include a toner mother particle and an external additive attached to a surface of the toner mother particle,
- the external additive includes resin particles,
- the resin particles contain a resin having an alkoxysilyl group,
- the resin includes a first repeating unit derived from a monomer having the alkoxysilyl group and a (meth)acryloyl group,
- the first repeating unit has a percentage content of at least 10% by mass and no greater than 35% by mass relative to all repeating units in the resin, and
- the resin includes a third repeating unit derived from a cross-linking agent.
3 more elements
Dependencies are inferred from the claim text.