Konica Minolta, Inc.

Yukiko Nakai

Toyoko Shibata

Kouji Sugama

Kazuaki Nakamura

Haruo Horiguchi

Hirofumi Hayata

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 compound which is fluidized by light irradiation and is less colored. The compound is a compound represented by the following general formula (1), which is fluidized by light irradiation:R—CH═N—R  General Formula (1)

Photoresponsive compound

Provided is a compound that is fluidized by light irradiation and reversibly non-fluidized, is not significantly colored, and improves fixability and exhibits excellent image stability and color reproducibility when used for a toner. Provided is a compound represented by the following general formula (1), which is fluidized by light irradiation and reversibly non-fluidized:

A photoresponsive polymer includes a structural unit represented by the following general formula (1), the photoresponsive polymer being fluidized by light irradiation, and reversibly non-fluidized:[Chemical formula 1]R—Z═Z—R  General formula (1)

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)

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Toyohashi, Japan

Yukiko Nakai