Abstract: An intermediate transfer belt cleaning system includes an intermediate transfer belt that has an outer peripheral surface to which a toner image is to be transferred and a cleaning device having a cleaning blade that comes into contact with the outer peripheral surface of the intermediate transfer belt to clean the outer peripheral surface, in which the cleaning blade has a peak value (tan ?p) of a loss tangent of 0.25 or more and 0.40 or less at a frequency of 1 Hz and a loss tangent (tan ?22) of 0.20 or more and 0.35 or less at 22° C. at a frequency of 1 Hz, the tan ?p and the tan ?22 being determined by measuring temperature dependence of viscoelasticity of the cleaning blade, and a coefficient D of dynamic friction between the intermediate transfer belt and the cleaning blade is 0.30 or more and 0.80 or less.

Abstract: A transfer device includes an intermediate transfer member that has an outer peripheral surface to which a toner image is to be transferred, a primary transfer device that has a primary transfer member performing primary transfer of a toner image formed on a surface of an image holder to the outer peripheral surface of the intermediate transfer member, a secondary transfer device that has a secondary transfer member which is arranged in contact with the outer peripheral surface of the intermediate transfer member and performs secondary transfer of the toner image transferred to the outer peripheral surface of the intermediate transfer member to a surface of a recording medium, and a cleaning device that has a cleaning blade cleaning the outer peripheral surface of the intermediate transfer member, in which a coefficient D of dynamic friction between the intermediate transfer member and the cleaning blade is 0.2 or more and 1.

Abstract: An intermediate transfer belt cleaning system includes an intermediate transfer belt that has an outer peripheral surface to which a toner image is to be transferred and a cleaning device having a cleaning blade that comes into contact with the outer peripheral surface of the intermediate transfer belt to clean the outer peripheral surface, in which the cleaning blade has a peak value (tan ?p) of a loss tangent of 0.25 or more and 0.40 or less at a frequency of 1 Hz and a loss tangent (tan ?22) of 0.20 or more and 0.35 or less at 22° C. at a frequency of 1 Hz, the tan ?p and the tan ?22 being determined by measuring temperature dependence of viscoelasticity of the cleaning blade, and a coefficient D of dynamic friction between the intermediate transfer belt and the cleaning blade is 0.30 or more and 0.80 or less.

Abstract: A belt cleaning blade has a contact site that comes into contact with at least a surface of a belt which is a member to be cleaned, in which the contact site is configured with polyurethane rubber including hard segments and soft segments, and in a cross section of the contact site, a ratio X of domains of the hard segments to a total area of the cross section is 14.9% or more and 25.1% or less, and a ratio Y of an area of domains of the hard segments having an area of 200 nm2 or more and 1,000 nm2 or less to a total area of the domains of the hard segments in the cross section is 17.8% or more and 46.5% or less.

Abstract: A transfer device includes an intermediate transfer member that has an outer peripheral surface to which a toner image is to be transferred, a primary transfer device that has a primary transfer member performing primary transfer of a toner image formed on a surface of an image holder to the outer peripheral surface of the intermediate transfer member, a secondary transfer device that has a secondary transfer member which is arranged in contact with the outer peripheral surface of the intermediate transfer member and performs secondary transfer of the toner image transferred to the outer peripheral surface of the intermediate transfer member to a surface of a recording medium, and a cleaning device that has a cleaning blade cleaning the outer peripheral surface of the intermediate transfer member, in which a coefficient D of dynamic friction between the intermediate transfer member and the cleaning blade is 0.2 or more and 1.

Abstract: A surface protective resin member contains a cured product of a composition containing an acrylic resin having a hydroxyl value in a range of 40 mgKOH/g to 280 mgKOH/g, a polyol having plural hydroxyl groups linked together via a linear moiety of a carbon chain, the linear moiety having 6 or more carbon atoms, and a multifunctional isocyanate; and photocatalyst particles.

Abstract: A near-infrared absorbent dispersion includes water, a near-infrared absorbent, and a resin dispersant, wherein a weight ratio of the near-infrared absorbent to the total weight of the near-infrared absorbent and the resin dispersant is more than 0.01 and less than 0.33.

Abstract: Provided is an aqueous ink for ink jet recording that includes: water; a water-soluble organic solvent; a coloring material; and a specific compound having a structure expressed by the following General Formula (I), wherein ink pH is in a range of 6.5 to 8.5. In General Formula (I), Ra, Rb, Rc, and Rd each independently represent a structure expressed by General Formula (I-R) or an alkyl group having 1 to 6 carbon atoms which is not branched, R1 represents a hydrogen atom or a methyl group, and n represents an integer in a range of 0 to 3, and the total carbon number of the structure expressed by General Formula (I-R) is equal to or less than 6.

Abstract: An aqueous ink for ink jet recording includes water, a water-soluble organic solvent, a coloring material, and a near-infrared absorbent, wherein a continuous range of wavelengths in which an absorption amount of the ink is not less than 80% of a maximum absorption amount of the ink in a near-infrared region is 10 nm or more.

Abstract: A near-infrared absorbent dispersion includes water, a near-infrared absorbent, and a resin dispersant, wherein a weight ratio of the near-infrared absorbent to the total weight of the near-infrared absorbent and the resin dispersant is more than 0.01 and less than 0.33.

Abstract: An aqueous ink for ink jet recording includes water, a water-soluble organic solvent, a coloring material, and a near-infrared absorbent, wherein a continuous range of wavelengths in which an absorption amount of the ink is not less than 80% of a maximum absorption amount of the ink in a near-infrared region is 10 nm or more.

Abstract: Provided is an aqueous ink for ink jet recording that includes: water; a water-soluble organic solvent; a coloring material; and a specific compound having a structure expressed by the following General Formula (I), wherein ink pH is in a range of 6.5 to 8.5. In General Formula (I), Ra, Rb, Rc, and Rd each independently represent a structure expressed by General Formula (I-R) or an alkyl group having 1 to 6 carbon atoms which is not branched, R1 represents a hydrogen atom or a methyl group, and n represents an integer in a range of 0 to 3, and the total carbon number of the structure expressed by General Formula (I-R) is equal to or less than 6.

Abstract: An aqueous ink set includes a first aqueous ink containing water and a colorant, and a second aqueous ink containing water and a colorant, having a hue in the same category as in the first aqueous ink, and having a lower drying rate than the first aqueous ink.

Abstract: A coating liquid includes a polymer particle, an aggregating agent for a coloring material, a nonionic surfactant having an HLB value within the range of 15.5 to 20, and water.

Abstract: A coating liquid includes a polymer particle, an aggregating agent for a coloring material, a nonionic surfactant having an HLB value within the range of 15.5 to 20, and water.

Abstract: There is provided an ultraviolet-curable aqueous ink containing: a continuous phase containing water; and a dispersed phase dispersed in the continuous phase, wherein the dispersed phase contains a water-insoluble ultraviolet polymerizable compound, and a water-insoluble ultraviolet polymerization initiator having an absorption at a wavelength range of 375 nm or more and 450 nm or less.

Abstract: There is provided an ultraviolet-curable aqueous ink containing: an ultraviolet polymerizable compound; a water-insoluble thioxanthone compound having an absorption at a wavelength range of 375 nm or more and 450 nm or less, a water-insoluble tertiary amine compound, water, and a water-soluble organic solvent at least including a solvent (A) that dissolves the thioxanthone compound and the tertiary amine compound.

Abstract: A thienopyrazine compound which is useful for an organic semiconductor material. An organic field effect transistor, which includes an organic semiconductor layer that is easily produced from an organic semiconductor material containing the thienopyrazine compound by a coating method or a printing method, and which exhibits high carrier mobility and high on/off current ratio; and an organic field effect transistor which has ambipolar characteristics. The thienopyrazine compound is represented by chemical formula (I): wherein Ar1 and Ar2 each represents an aryl group, and R1 and R2 each independently represents a hydrogen atom, an alkyl group or an aryl group; or alternatively R1 and R2 represent a group having a ring formed by combining R1 and R2 together.

Abstract: An image recording composition including a curable material that is cured upon application of an external stimulus, water-absorbing resin particles, and a nonionic surfactant.

Abstract: There is provided an ultraviolet-curable aqueous ink containing: a continuous phase containing water; and a dispersed phase dispersed in the continuous phase, wherein the dispersed phase contains a water-insoluble ultraviolet polymerizable compound, and a water-insoluble ultraviolet polymerization initiator having an absorption at a wavelength range of 375 nm or more and 450 nm or less.