Abstract: Provided is an image recording method including a step of preparing at least two inks including a first ink and a second ink, a step of heating a substrate, a step of applying the at least two inks onto the heated substrate by using an ink jet recording method, and a step of irradiating the at least two inks with an active energy ray, in which in the step of applying the at least two inks, a mixed region where the at least two inks are mixed together by the applying is formed in at least a part on the substrate, the first ink contains a first polymerizable liquid crystal compound, and the second ink contains a second chiral compound. Also provided is an ink jet-recorded material.

Abstract: Provided are an ink set and a printed article, the ink set comprising an ink jet ink A which contains a polymerizable compound, a photopolymerization initiator, and perylene black and in which a proportion of a polyfunctional polymerizable monomer in the contained polymerizable compound is 60% by mass or more, and an ink jet ink B which contains a polymerizable compound, a photopolymerization initiator, and an infrared absorbing dye and in which a proportion of a polyfunctional polymerizable monomer in the contained polymerizable compound is 60% by mass or more.

Abstract: Provided is an ink set for security image recording comprising an infrared-absorbing ink jet ink which contains a polymerizable compound and an infrared absorbing dye and in which a maximum value of an absorbance in a wavelength range of 750 nm to 1,000 nm is larger than a maximum value of an absorbance in a wavelength range of 400 nm to 750 nm, and color ink jet inks which each contain a polymerizable compound and a colored colorant and satisfy a ratio of a maximum value of an absorbance of each of the color ink jet inks in a wavelength range of 750 nm to 1,000 nm to the maximum value of the absorbance of the infrared-absorbing ink jet ink in a wavelength range of 750 nm to 1,000 nm of 0.10 or less. Also provided are applications of the ink set.

Abstract: Provided are an ink composition for ink jet printing, and an image forming method and a recorded material using the ink composition for ink jet printing. The ink composition for ink jet printing includes: a colorant represented by the following Formula 1; resin particles; a water-soluble organic solvent; and water. In Formula 1, Y1 and Y2 each independently represent a non-metal atomic group which forms an aliphatic ring or a heterocycle, M+ represents a proton or a monovalent alkali metal cation or organic cation, L1 represents a methine chain consisting of 5 or 7 methine groups, and a methine group at a center of the methine chain has a specific substituent.

Abstract: Provided are a manufacturing method of a dispersion including a step A of preparing a mixture containing an edible pigment, an edible dispersant, and water, a step B of applying a hydrostatic pressure equal to or higher than 30 MPa to the mixture, and a step C of performing a dispersion treatment on the mixture to which the hydrostatic pressure is applied; a pigment dispersion for ink jet recording and a manufacturing method thereof; and an ink composition for an ink jet and a manufacturing method thereof.

Abstract: Provided are an ink jet ink for forming an infrared absorbing image and applications thereof, the ink jet ink including an infrared absorbing material represented by Formula (1), resin particles, a water-soluble organic solvent, a water-soluble organic compound X1, a surfactant, and water. M+ represents a proton, a monovalent alkali metal cation, or an organic cation, L1 represents a methine chain consisting of 5 or 7 methine groups, a methine group at a center of the methine chain has a substituent, R1 to R4 each independently represent a hydrogen atom or a substituent, and X represents O, S, or Se.

Abstract: Provided are: a photocurable ink composition including particles of a squarylium coloring agent represented by Formula (1) a radically polymerizable monomer, a radical polymerization initiator, and a coloring agent sensitizer, in which a volume average particle diameter of the particles of the squarylium coloring agent is 10 nm to 400 nm (in Formula (1), ring A and ring B: an aromatic ring or a heteroaromatic ring; XA, XB, GA, and GB: monovalent substituent; kA=integer of 0 to nA; kB=integer of 0 to nB; nA: an integer that is a maximum number of GA the ring A can have as its substituent; and nB: an integer that is a maximum number of GB the ring B can have as its substituent); and an image recording method.

Abstract: Provided is an ink jet recording method including recording an infrared absorbing image by applying a first ink, which contains an infrared absorber and a first curable compound, onto an impermeable substrate by an ink jet method, semi-curing the infrared absorbing image by irradiating the infrared absorbing image with active energy rays, recording a non-infrared absorbing image by applying a second ink, which has a content of the infrared absorber of lower than 0.1% by mass and contains a second curable compound, to a surface of the substrate with the infrared absorbing image by the ink jet method, and curing the semi-cured infrared absorbing image and the non-infrared absorbing image by irradiating these images with active energy rays.

Abstract: Provided are an ink composition for ink jet printing, and an image forming method and a recorded material using the ink composition for ink jet printing. The ink composition for ink jet printing includes: a colorant represented by the following Formula 1; resin particles; a water-soluble organic solvent; and water. In Formula 1, Y1 and Y2 each independently represent a non-metal atomic group which forms an aliphatic ring or a heterocycle, M+ represents a proton or a monovalent alkali metal cation or organic cation, L1 represents a methine chain consisting of 5 or 7 methine groups, and a methine group at a center of the methine chain has a specific substituent.

Abstract: Provided are an iron oxide dispersion for ink jet recording, a method of manufacturing the same, and an ink jet recording method. The iron oxide dispersion for ink jet recording includes: iron oxide particles; a resin that has at least one of an amino group or a quaternary ammonium group and coats at least a part of surfaces of the iron oxide particles; and water, in which an average particle diameter of the iron oxide particles having surfaces at least a part of which are coated with the resin is 90 nm to 400 nm.

Abstract: Provided are a manufacturing method of a dispersion including a step A of preparing a mixture containing an edible pigment, an edible dispersant, and water, a step B of applying a hydrostatic pressure equal to or higher than 30 MPa to the mixture, and a step C of performing a dispersion treatment on the mixture to which the hydrostatic pressure is applied; a pigment dispersion for ink jet recording and a manufacturing method thereof; and an ink composition for an ink jet and a manufacturing method thereof.

Abstract: In a conductive film-forming composition including copper oxide particles, water and a dispersant selected from the group consisting of a water-soluble polymer and a surfactant, the copper oxide particles have a volume average secondary particle size of 20 to 240 nm, and the copper oxide particles are contained in an amount of 10 to 70 wt % with respect to a total weight of the conductive film-forming composition.

Abstract: Provided are an iron oxide dispersion for ink jet recording, a method of manufacturing the same, and an ink jet recording method. The iron oxide dispersion for ink jet recording includes: iron oxide particles; a resin that has at least one of an amino group or a quaternary ammonium group and coats at least a part of surfaces of the iron oxide particles; and water, in which an average particle diameter of the iron oxide particles having surfaces at least a part of which are coated with the resin is 90 nm to 400 nm.

Abstract: Provided is a method for producing an electrically conductive film including a coating film forming step of forming a coating film by applying an electrically conductive film forming composition including copper oxide particles, copper particles, and an organic compound having at least one functional group selected from the group consisting of a hydroxy group and an amino group and having a temperature at which a mass reduction rate when the film is heated at a temperature rising rate of 10° C./min is 50% within a range of 120° C. to 350° C. to a resin substrate, and an electrically conductive film forming step of forming an electrically conductive film containing metal copper by performing a heat treatment for heating the coating film to a heating temperature of 140° C. to 400° C. at a temperature rising rate of 30° C./min to 10,000° C./min, and an electrically conductive film.

Abstract: In a conductive film-forming composition including copper oxide particles, water and a dispersant selected from the group consisting of a water-soluble polymer and a surfactant, the copper oxide particles have a volume average secondary particle size of 20 to 240 nm, and the copper oxide particles are contained in an amount of 10 to 70 wt % with respect to a total weight of the conductive film-forming composition.

Abstract: The invention provides a white ink composition for inkjet recording, including: titanium dioxide having an average primary particle diameter of from 200 nm to 350 nm; a hydrophilic, layered clay mineral; a water-soluble resin; and water. The invention further provides: an ink set for multilayer formation including the white ink composition and an ink composition for inkjet recording, including a colorant having a hue other than white; an image forming method including applying the white ink composition to a recording medium and irradiating the white ink composition applied to the recording medium with an active energy ray; and a printed matter including an image formed on a recording medium by the image forming method.

Abstract: A black ink composition is provided which suppresses change in hue and can form an image with superior blocking resistance and scratch resistance. The black ink composition for ink jet recording includes a carbon black pigment; at least any one type of colorant pigment which is selected from a magenta pigment and a cyan pigment; a water-soluble polymerizable compound; a polymerization initiator; and water, wherein the average primary particle diameter of the carbon black pigment is 20 nm or more and less than 35 nm, the content ratio of the carbon black pigment with regard to the total mass of all of the pigments is 70 mass % or less, and the total mass of all of the pigments with regard to the total mass of the black ink composition is 4 mass % or less.

Abstract: An ink composition of the present invention includes: cross-linked particles containing a quinacridone solid solution pigment including at least two types of quinacridone-based compound; a water-soluble polymerizable compound; a polymerization initiator; and water. By selectively using cross-linked solid solution pigments as pigments (colorants), along with excellent adhesion of the image, the stability over time of the ink composition itself is excellent.

Abstract: Disclosed is an ink composition with excellent adhesiveness of an image on a recording medium and recoverability after being left for a period. The ink composition of the present invention contains coloring particles that include a quinacridone solid solution pigment including two or more types of quinacridone-based compounds, a synergist including a basic group, and a high-molecular weight vinyl polymer, a water-soluble polymerizable compound, a polymerization initiator and water.

Abstract: The invention provides a white ink composition for inkjet recording, including: titanium dioxide having an average primary particle diameter of from 200 nm to 350 nm; a hydrophilic, layered clay mineral; a water-soluble resin; and water. The invention further provides: an ink set for multilayer formation including the white ink composition and an ink composition for inkjet recording, including a colorant having a hue other than white; an image forming method including applying the white ink composition to a recording medium and irradiating the white ink composition applied to the recording medium with an active energy ray; and a printed matter including an image formed on a recording medium by the image forming method.