Electrostatic charge image developing toner and two-component developer
AssigneeKonica Minolta, Inc.
InventorsKouji SUGAMA, Kazumi OURA, Masaharu MATSUBARA, Ikuko SAKURADA
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Abstract
The electrostatic charge image developing toner of the present invention is an electrostatic charge image developing toner including a toner mother particle including at least a binding resin, and an external additive attached onto a surface of the toner mother particle, wherein a median size on a volume basis of the toner mother particle is in the range from 3.0 to 5.0 μm, the binding resin contains at least an amorphous polyester resin as a main component, and a spherical silica particle (1) having a number average particle size in the range from 20 to 55 nm is included as the external additive.
Claims5
An electrostatic charge image developing toner comprising a toner particle comprising
- a toner mother particle containing at least a binding resin, and
- an external additive attached onto a surface of the toner mother particle, wherein
- a median size on a volume basis of the toner particle is in the range from 3.0 to 5.0 μm,
- the binding resin contains at least an amorphous polyester resin as a main component, and
- a spherical silica particle (1) having a number average particle size in the range from 20 to 55 nm is comprised as the external additive.
Dependencies are inferred from the claim text.