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US 2022/0066342 A1Published application
Toner, two-component developer, and image-forming apparatus
AssigneeSharp Kabushiki Kaisha
InventorHIROKI MAEDA
Life of this patent
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Abstract
The toner has a toner matrix particle containing a crystalline polyester resin. Associated silica including two or more of primary particles is present on the surface of the toner matrix particle. The coverage with associated silica onto the toner matrix particle is 1% or more to 30% or less, and the adherence strength of associated silica to the toner matrix particle is 20% or more to 90% or less.
Claims7
A toner having a toner matrix particle comprising a crystalline polyester resin,
- wherein associated silica including two or more primary particles associated is present on a surface of the toner matrix particle,
- wherein a coverage with the associated silica onto the toner matrix particle is 1% or more to 30% or less, and
- wherein an adherence strength of the associated silica to the toner matrix particle is 20% or more to 90% or less.
Dependencies are inferred from the claim text.