Abstract: Provided is an electrophotographic photoreceptor having at least a charge transport layer and a protective layer sequentially laminated on a conductive support, wherein the protective layer contains a cured product of a composition containing a charge transport compound having a chain polymerizable functional group; the charge transport layer and the protective layer are continuously laminated with intervening a mixed layer therebetween in which components of both layers of the charge transport layer and the protective layer are compatible; and the mixed layer has a thickness in the range of 0.1 to 1.0 ?m.

Abstract: 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.

Abstract: An electrophotographic image forming system forms an electrostatic latent image on at least a photoreceptor, develops an image using an electrostatic charge image developing toner, and removes the toner using a cleaning blade. A tip ridge of the cleaning blade is pressed against a surface of the photoreceptor. The system includes a photosensitive layer of the photoreceptor and a surface protecting layer that is provided on a surface of the photosensitive layer. The surface protecting layer includes a polymerizable monomer having at least two polymerizable groups in a molecule and a polymer of a hole transporting compound having a polymerizable group represented by General formula (1). The tip ridge of the cleaning blade has an edge angle that is obtuse and less than 120° and is pressed against the surface of the photoreceptor at an effective contact angle that is in a range of 8 to 20°.

Abstract: An image forming method uses an electrophotographic photoreceptor and a toner for developing an electrostatic charge image. The image forming method has a charging step, an exposure step, a developing step, a transfer step and a cleaning step, wherein the charging step uses a contact charging device; the photoreceptor has a universal hardness value (HU) of 170 N/mm2 or more, and an elastic deformation ratio of 40% or more when a Vickers indenter is used in a predetermined environment and pushed by a maximum load of 2 mN. The toner for developing an electrostatic charge image contains toner base particles of a core-shell structure having a shell layer of 10% by mass or less with respect to a mass of a toner base particle on an outside of a resin constituting a core particle, and a solubility parameter value (SPs) of a resin constituting the shell layer is 10.75 or less.

Abstract: 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.

Abstract: Provided is a stereoscopic image forming method for forming a color stereoscopic image on a recording medium having a thermal expansion property, the stereoscopic image forming method including 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 that is absorbed by a compound contained in the color material to generate heat of the compound.

Abstract: A 3D image forming method for forming a color 3D image on a recording medium having a thermal expansion property includes irradiating a medium surface on which the toner image is formed with light having a maximum emission wavelength in a wavelength range of 280 nm or more and 780 nm or less and being allowed to be absorbed by a compound contained in toner.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Provided is an electrostatic image developing toner including toner particles containing a light phase transition material that change from a solid state to a liquid state by light irradiation and a binder resin, wherein ?H1 (J/g) is 0.1 or more, provided that ?H1 (J/g) is an endothermic amount based on a melting peak derived from the light phase transition material in a first temperature raising process of raising a temperature from 25 to 200° C., the endothermic amount being obtained from a DSC curve measured by differential scanning calorimtry to the electrostatic image developing toner.

Abstract: Provided is an electrostatic image developing toner containing toner particles, wherein the toner particles contain a compound (A) that undergoes a phase transition from a solid to a liquid by absorbing light, or contain a polymer (A?) containing a structural unit derived from the compound (A); and a part or all of a site derived from the compound (A) is included in a domain in the toner particle and exists as a domain

Abstract: 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.

Abstract: 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° 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.

Abstract: 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.

Abstract: An image forming method includes: developing an electrostatic latent image with a toner to form a toner image; and transferring the toner image onto a recording medium and irradiating the toner image with an actinic ray to fix the toner image to the recording medium, wherein in the transferring, a plurality of types of toner particles containing toner particles of a color toner and toner particles of a transparent toner is fixed to the same area included in the recording medium.

Abstract: 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.

Abstract: Provided is an image forming method for forming an image including a recording medium and a layer containing a photosoftening compound disposed thereon, the image forming method containing the steps of: supplying a powder for adhering the powder to the image; and irradiating the image with light to melt or to soften the image.

Abstract: 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 R1 represents an electron donating group; R2 represents an electron withdrawing group; R3 to R10 each independently represent a hydrogen atom or an alkyl group which may have a branch, provided that at least one of R3 to R10 represents an alkyl group which may have a branch.

Abstract: 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 R1 represents an electron donating group; R2 represents an electron withdrawing group; R3 to R10 each independently represent a hydrogen atom or an alkyl group which may have a branch, provided that at least one of R3 to R10 represents an alkyl group which may have a branch.