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US 2014/0272695 A1Published application
Toner, development agent, and image forming apparatus
AssigneeRicoh Company, Ltd.
InventorsTatsuru MORITANI, Yoshihiro MORIYA, Hiroshi YAMADA, Ryota INOUE, Shinya NAKAYAMA, Atsushi YAMAMOTO
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Abstract
Toner contains a binder resin containing one or more kinds of crystalline resin and one or more kinds of non-crystalline resin. The non-crystalline resin located at the surface portion of the toner forms a shell structure of a continuous phase of the non-crystalline resin and the toner has an amount of melting heat of 30 J/g or more in a second temperature rising as measured by differential scanning calorimetry (DSC).
Claims12
Toner comprising:
- a binder resin comprising:
- one or more kinds of crystalline resin;
- and
- one or more kinds of non-crystalline resin,
- wherein the one or more kinds of non-crystalline resin is located at a surface portion of the toner and forms a shell structure of a continuous phase,
- wherein the toner has an amount of melting heat of 30 J/g or more in a second temperature rising as measured by differential scanning calorimetry (DSC).
3 more elements
Dependencies are inferred from the claim text.