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US 12,429,790 B2Granted
Toner and method for producing toner
AssigneeCanon Kabushiki Kaisha
InventorsTsuneyoshi Tominaga, Daisuke Yoshiba
Life of this patent
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Abstract
A toner comprising: a toner particle comprising a binder resin and boric acid; wherein the binder resin comprises an amorphous resin and a crystalline polyester resin, a content of the crystalline polyester resin in the toner is 30.00 to 80.00 mass %, and a content of the boric acid in the toner is 0.10 to 10.00 mass %.
Claims6
A toner, comprising:
- a toner particle comprising a binder resin and boric acid;
- the binder resin comprising an amorphous resin and a crystalline polyester resin;
- a content of the crystalline polyester resin in the toner being 40.00 to 60.00 mass %;
- and
- a content of the boric acid in the toner being 0.10 to 10.00 mass %, wherein
- a ratio of X to Y (X/Y) is 0.040 to 0.130 when X (mass %) is the content of boric acid in the toner and Y (mass %) is the content of crystalline polyester resin in the toner.
3 more elements
Dependencies are inferred from the claim text.