Canon Kabushiki Kaisha

Takeshi Ootsu

Daisuke Ito

Hirohide Tanikawa

Hironori Minagawa

Yoshinobu Baba

Takayuki Itakura

Nozomu Komatsu

Koh Ishigami

Naoki Okamoto

Tetsuya Ida

Noriyoshi Umeda

Yuichi Mizo

Takeshi Naka

Junichi Hagiwara

Kunihiko Kawakita

Yasushi Tamura

An apparatus for heat-treating a toner includes a raw-material supply unit configured to supply a toner treatment space with a raw-material toner, a hot-air supply unit configured to heat-treat the raw-material toner in the toner treatment space, a suction and ejection unit configured to eject hot air used for the heat treatment of the raw-material toner, and a waste-heat recovery and supply unit configured to recover heat from the hot air ejected by the suction and ejection unit and supply the hot-air supply unit with the recovered heat.

Apparatus for heat-treating toner and method for producing toner

Provided a toner including at least: toner particles each containing at least a binder resin, a release agent, and a colorant; and an inorganic fine powder, in which: a degree of aggregation Yat a time of compression (200 kpa) of the toner satisfies a relationship of 15&#x2266;Y&#x2266;35, and a degree of aggregation Yat a time of non-compression of the toner satisfies a relationship of 7&#x2266;Y&#x2266;15; and a highest endothermic peak of the toner is present in a temperature range of 30 to 200&#xb0; C. in an endothermic curve measured with a differential scanning calorimeter (DSC), and a peak temperature Tsc (&#xb0; C.) of the highest endothermic peak satisfies a relationship of 60&#x2266;Tsc&#x2266;130.

Toner and image forming method

Growing community of inventors

Toride, Japan

Takeshi Ootsu