Konica Minolta, Inc.

Haruo Horiguchi

Toyoko Shibata

Seijiro Takahashi

Kouji Sugama

Yukiko Nakai

Kazuaki Nakamura

Tomohiro Oshiyama

Toshiyuki Fujita

Hirofumi Hayata

Yukiko Kusano

Michiyo Fujita

Mari Ueda

A compound that is fluidized by light irradiation and reversibly non-fluidized and is represented by the following general formula (1): In the general formula (1),

Photoresponsive compound, adhesive, switching material, and toner containing the photoresponsive compound, and image forming method using the toner

A resin composition includes: a resin having a first group capable of forming at least two hydrogen bonds; and a photoisomerization compound having a second group capable of forming at least two hydrogen bonds complementarily with the first group and having a moiety that is reversibly isomerized by light.

Resin composition, toner for developing electrostatic charge image, image forming method, photosensitive adhesive, and optical switching material

A photoresponsive polymer that is fluidized by light irradiation and reversibly non-fluidized and contains a structural unit represented by a general formula (1) shown below:

Photoresponsive polymer, photoresponsive adhesive, toner, and image forming method

[Object] An object of the present invention is to provide a photoresponsive polymer that sufficiently secures photoresponsiveness to be fluidized by light irradiation and reversibly non-fluidized, improves fixability, and further has good color reproducibility. [Solution] Provided is a photoresponsive polymer containing a structural unit derived from an azomethine derivative represented by the following general formula (1), the photoresponsive polymer being fluidized by light irradiation and reversibly non-fluidized:R—Z═Z—R  General formula (1):

Photoresponsive polymer

Provided is a polymer that includes a predetermined structural unit derived from an azomethine derivative having a polymerizable group and is reversibly fluidized and non-fluidized by being irradiated with light.

Photoresponsive high-molecular weight material, adhesive, toner, and image forming method

A composition includes an isomerized polymer containing a structural unit containing an isomerized structure and an isomerized low molecular weight compound, the composition being fluidized by light irradiation from a solid state and being reversibly non-fluidized.

Photoresponsive material, adhesive, optical switching material, toner, and image forming method

Provided is a compound that is fluidized by light irradiation and reversibly non-fluidized, and is not significantly colored. Provided is a photoresponsive compound represented by the following general formula (1), the photoresponsive compound being fluidized by light irradiation and reversibly non-fluidized:R&#x2014;Z&#x2550;Z&#x2014;R&#x2003;&#x2003;General formula (1)

Photoresponsive compound

Disclosed is a compound containing a specific structure having an azomethine part, the compound being reversibly fluidized and non-fluidized by being irradiated with light.

Photoresponsive low-molecular weight material, adhesive, toner, and image forming method

A stereoscopic image forming method forms a color stereoscopic image on a recording medium having a thermal expansion property. The stereoscopic image forming method includes the steps of: fixing a color image on the thermally expandable recording medium using a color material; and irradiating the fixed color image with light of a light source having a maximum emission wavelength in a wavelength range of 280 to 780 nm. This light is absorbed by a compound contained in the color material to generate heat of the compound.

Stereoscopic image forming method and stereoscopic image forming apparatus

An image post-processing method includes a glossiness control step of irradiating a fixed toner image with a glossiness control light. The toner image is formed with a toner containing a compound that absorbs light. The glossiness control light is capable of at least reducing a glossiness of the fixed toner image. The glossiness control light has a maximum emission wavelength in a wavelength region which is absorbed by the compound.

Image post-processing method, image post-processing apparatus and image forming apparatus

A toner includes toner particles, wherein the toner particles contain a polymer containing a structural unit derived from an azobenzene derivative having a polymerizable group.

Toner and image forming method

There is disclosed an image post-processing method for adjusting glossiness of a fixed toner image. The method includes a glossiness control step and a temperature control step. The glossiness control step is a step of, to a toner image formed of a toner containing a light absorbing compound and fixed to a recording medium, emitting glossiness control light so as to reduce or increase glossiness of the toner image. The temperature control step is a step of heating the toner image immediately before the light is emitted to the toner image such that the toner image has a surface temperature which is at least 20&#xb0; C. lower than a softening temperature of the toner. The glossiness control light has a maximum emission wavelength in a wavelength range in which the compound absorbs light and is made to at least reduce the glossiness of the toner image.

Image post-processing method and apparatus for emitting a glossiness control light, and image forming apparatus

There is disclosed an image post-processing method for adjusting glossiness of a fixed toner image. The image post-processing method includes a glossiness control step of, with a non-contact heating device, heating a toner image fixed to a recording medium so as to reduce glossiness of the toner image. The non-contact heating device is configured to heat the toner image fixed to the recording medium to a temperature which reduces the glossiness of the fixed toner image.

Gloss reduction in image post-processing method, image post-processing apparatus, and image forming apparatus

Provided is an image recording composition used for an electrostatic image developing toner or an ink-jet ink, containing a photoisomerization compound which is a stilbene derivative having a structure represented by Formula (1), wherein Rrepresents an electron donating group; Rrepresents an electron withdrawing group; Rto Reach independently represent a hydrogen atom or an alkyl group which may have a branch, provided that at least one of Rto Rrepresents an alkyl group which may have a branch.

Image recording composition, electrostatic image developing toner, and image forming method

An object of the present invention is achieved by an image forming method containing the steps of: forming a toner image by developing an electrostatic latent image with a toner; transferring the toner image on a recording medium; and fixing the toner image on the recording medium, wherein the fixing step of the toner image on the recording medium further contains the steps of: irradiating light having a wavelength range of 280 to 480 nm to the toner image; and applying pressure to the toner image.

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Koganei, Japan

Haruo Horiguchi