Toner for developing electrostatic charge image
AssigneeKonica Minolta, Inc.
InventorsKenshi Miyajima, Shinya Obara, Ikuko Sakurada
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Abstract
A toner for electrostatic charge image development is a toner for electrostatic charge image development including toner particles containing a binder resin and an external additive, wherein the binder resin contains a crystalline polyester resin and an amorphous polyester resin, the external additive includes Al—Si composite oxide particles, and a Si element content of the Al—Si composite oxide particles is in the range of 50 to 90 mass % and a Si element ratio on surfaces of the Al—Si composite oxide particles is in the range of 3 to 35 at %.
Claims6
A toner for electrostatic charge image development comprising toner particles containing a binder resin and an external additive,
- wherein the binder resin contains a crystalline polyester resin and an amorphous polyester resin,
- the external additive includes Al—Si composite oxide particles, and
- a Si element content of the Al—Si composite oxide particles is in the range of 50 to 90 mass % and a Si element ratio on surfaces of the Al—Si composite oxide particles is in the range of 3 to 35 at %.
Dependencies are inferred from the claim text.