Toner for developing electrostatic images, two component type developer, developing method, image forming method, heat fixing method, and process for producing toner
AssigneeCanon Kabushiki Kaisha
InventorsHirohide Tanikawa, Hiroaki Kawakami, Masatsugu Fujiwara, Kazunori Kato
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Abstract
A toner for developing electrostatic images has toner particles containing a binder resin and a colorant, and fine titanium oxide particles or fine alumina particles. The surfaces of the fine titanium oxide particles or fine alumina particles have been subjected to an organic treatment and have a methanol wettability half value of 55% or more.
Claims91
A toner for developing electrostatic images, comprising toner particles containing a binder resin and a colorant, and fine titanium oxide particles or fine alumina particles;
- the surfaces of said fine titanium oxide particles or fine alumina particles having been subjected to an organic treatment and having a methanol wettability half value of 55% or more.
A two component developer comprising a toner and a carrier;
- said toner comprising toner particles containing a binder resin and a colorant, and fine titanium oxide particles or fine alumina particles;
- wherein the surfaces of said fine titanium oxide particles or fine alumina particles have been subjected to an organic treatment and have a methanol wettability half value of 55% or more.
Dependencies are inferred from the claim text.