Toshiba Tec Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Dupont-mitsui Fluorochemicals Company, Ltd.

Junichi Ishikawa

Takashi Urabe

Taishi Takano

Maiko Yoshida

Satoshi Araki

Tsuyoshi Itou

Takayasu Aoki

Hideaki Kikuchi

Kazuhito Nagashima

In accordance with an embodiment, a toner particle comprises two or more glass transition temperatures. Wherein, a first glass transition temperature is within a range from 5 degrees centigrade to 20 degrees centigrade and a second glass transition temperature is within a range from 50 degrees centigrade to 65 degrees centigrade.

Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particle

A toner includes first toner particles and second toner particles. Each of the first toner particles includes a plate-like colorant particle covered with binder resin particles, and a volume average size of the plate-like colorant particle is equal to or greater than 6 &#x3bc;m. Each of the second toner particles includes at least one of a binder resin and a releasing agent and not including a colorant, an aspect ratio of the second toner particles is equal to or smaller than 3, and a content ratio of the releasing agents with respect to the second toner particles is equal to or greater than 4 wt % and equal to or smaller than 24 wt %. A content ratio of the second toner particles with respect to the first toner particles is greater than 1 wt % and equal to or smaller than 75 wt %.

Toner having toner particles including a colorant and particles not including a colorant

A toner includes a crystalline polyester resin in an amount equal to or greater than 25% by mass. The toner satisfies the following formula when the toner is tested using a capillary rheometry measurement during which a pellet of the toner is pressed by a member while being heated: 0.3&#x2264;(first temperature&#x2212;second temperature)/(second temperature&#x2212;third temperature)&#x2264;1, where the first temperature is a temperature at which the member falls 4 mm, the second temperature is a temperature at which the member falls 2 mm, and the third temperature is a temperature at which the member starts to fall.

Toner containing crystalline polyester resin and method of manufacturing the same

An aromatic printed object containing a film-like substrate and a printing section formed on the film-like substrate using a perfume microcapsule-containing toner. The aromatic printed object is an adhesive sheet wherein the printing section is adherend surface. A protective layer is pressed with the adherend surface. A fragrance diverges by peeling off the protective layer of the film-like substrates.

Aromatic printed object and manufacture method for the same

A toner includes a plurality of toner particles containing a binder resin and one or more microcapsules that contain a fragrant material. A ratio of a number of toner particles that contain at least one microcapsule in a region from a surface thereof to 1 &#x3bc;m in depth with respect to a total number of toner particles in the region is equal to or greater than 60%.

Toner including microcapsules that contain a fragrant material

An aromatic printed object of an embodiment comprises a film-like substrate and a printing section having a perfume microcapsule-containing toner. A pair of film-like substrates that face each other across the printing section is pressed, and fragrance diverges by peeling off the pressed part of the film-like substrates.

A toner includes a crystalline polyester resin in an amount equal to or greater than 25% by mass. The toner satisfies the following formula when the toner is tested using a capillary rheometry measurement during which a pellet of the toner is pressed by a member while being heated: 0.3&#x2266;(first temperature&#x2212;second temperature)/(second temperature&#x2212;third temperature)&#x2266;1, where the first temperature is a temperature at which the member falls 4 mm, the second temperature is a temperature at which the member falls 2 mm, and the third temperature is a temperature at which the member starts to fall.

The present invention relates to a solvent composition for removing radioactive substance, characterized by comprising at least one selected from hydrofluorocarbon, hydrofluoroether, and perfluoroketone as a medium for transporting the radioactive substance, and a method for removing a radioactive substance characterized by using the solvent composition for removing.

Solvent composition for removing radioactive substance and removing material, and method for removing radioactive substance

Disclosed is a decolorable toner containing a binder resin and a coloring agent which contains a color former compound and a color developing agent and has a capsule structure such that it is covered with an outer shell, and having a volume average particle diameter of from 5.0 to 15.0 &#x3bc;m and a number-based particle size distribution CV of 35% or less.

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Mishima Shizuoka, Japan

Junichi Ishikawa