Toner, developing agent, toner accommodating unit, image forming apparatus, and image forming method
AssigneeEtria Co., Ltd.
InventorsHisashi Nakajima, Yoshitaka Yamauchi, Masayuki Ishii, Ayaka Mori, Shimpei Miyata
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Abstract
A toner contains a toner particle that contains a base toner particle containing a polyester resin, a release agent, and an aromatic petroleum resin, and an external additive including silica particles whose surfaces are at least partially coated with a hydroxide of a metal element, wherein, in a cross section of the toner particle observed with a scanning electron microscope, the aromatic petroleum resin is present at an interface of a domain of the release agent, and domains of the aromatic petroleum resin are dispersed within a matrix of the polyester resin.
Claims11
A toner comprising:
- a toner particle comprising:
- a base toner particle comprising:
- a polyester resin;
- a release agent;
- and
- an aromatic petroleum resin;
- and
- an external additive including silica particles whose surfaces are at least partially coated with a hydroxide of a metal element,
- wherein, in a cross section of the toner particle observed with a scanning electron microscope, the aromatic petroleum resin is present at an interface of a domain of the release agent, and domains of the aromatic petroleum resin are dispersed within a matrix of the polyester resin.
Dependencies are inferred from the claim text.