Abstract: An ink set including a first ink containing a pigment and a water-soluble resin having an anionic group, a second ink containing substantially no pigment and a reactive component, and a third ink containing a polymer emulsion and a water-soluble resin having an anionic group. The pKa of the reactive component is lower than the pKa of the anionic group of the water-soluble resin in the first ink and higher than the pKa of the anionic group of the water-soluble resin in the third ink.

Abstract: In a method for printing to a recording medium using a fluid-based colorant transport or pigment transport (e.g. via ink or liquid toner), fluid-based printing to the recording medium is performed and a surface protection is applied to increase the robustness (e.g. abrasion resistance) in at least a printed region of the recording medium. The applied quantity per area is configured to provide an increased color space. Further, in a surface protection given fluid-based printing to a recording medium, the presentable color space is increased.

Abstract: A light-emitting diode, a method for fabricating the same, and a display device are disclosed. The light-emitting diode includes a first and second electrode; a first carrier transporting layer, a light emitting layer, and a second carrier transporting layer which are arranged between the first and second electrode in this order The light-emitting diode further includes a second carrier transporting layer which is arranged between the light emitting layer and the second electrode. The second carrier blocking layer blocks a portion of the second carrier from being transported to the light emitting layer. This decreases the injecting efficiency of the second carrier, improves an injecting balance between the second carrier and the first carrier with a low injecting efficiency, avoids energy consumption in the form of heat, and increases the light output efficiency and lifetime of the light-emitting diode.

Abstract: Provided is an ink set including black ink and color ink, in which the black ink contains carbon black having a carboxyl group on a surface thereof, a resin particle having a carboxyl group on a surface thereof, betaine, an alkali ion, and water, the alkali ion contains a potassium ion, a sodium ion, and an organic alkali compound, and a content of the potassium ion is the largest among the alkali ions.

Abstract: An aqueous ink composition contains: an alkanediol having a normal boiling point of 240° C. or higher; polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less; and water, in which a content of the polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less is 0.4% by mass or lower based on the total amount of the aqueous ink composition.

Abstract: Novel inkjet ink compositions for forming an image in a form of an elastic film attached to a surface of a stretchable and/or flexible substrate and processes utilizing same for inkjet printing color images on various substrates such as colored and absorptive or impregnable stretchable materials, which are characterized by heightened efficiency in process time, ink and energy consumption, as well as products having durable, wash-fast and abrasion-fast images printed thereon by the process, are disclosed. The novel ink compositions comprise a first part, which contains a property-adjusting agent and a carrier, and a second part which contains an emulsified property-sensitive proto-elastomeric film-forming agent, a colorant and a carrier, such that the second part congeals upon contact with the property-adjusting agent. The second part is digitally applied to the substrate less than 1 second following the application of the first part to the substrate.

Abstract: A sublimation transfer ink jet ink composition includes: a disperse dye; a dispersing resin; a silicone-based surfactant; and a solubilizer. The ink composition has a surface tension of 30 mN/m or less, and a cloud point of a mixture which includes all the components other than the disperse dye and the dispersing resin is 40° C. or more.

Abstract: Disclosed is a substantially water-free pre-treatment composition having at least one of an acid or an acid anhydride in an organic matrix. Also disclosed is a kit of parts having the pre-treatment composition and an ink composition that has an intrinsic inferior water fastness when printed, where the ink contains a compound that is soluble in alkaline environment (ink as such) and insoluble in a neutral and/or acidic environment. Also disclosed is a printing method for improving the water fastness of a print made with an ink that has intrinsically low water fastness, by using a pre-treatment composition as disclosed.

Abstract: The present invention relates to [1] an ink-jet printing method including a printing step of ejecting a water-based ink onto a surface of a printing medium to print characters or images thereon, in which the water-based ink includes a pigment (A), a polypropylene glycol (B), an organic solvent (C), a surfactant (D) and water; the polypropylene glycol (B) includes a polypropylene glycol (b-1) having a polymerization degree of not less than 5 and not more than 30, and a content of the polypropylene glycol (b-1) in the water-based ink is not less than 0.5% by mass and not more than 2% by mass; the organic solvent (C) includes at least a glycol ether, and the glycol ether has a viscosity of not more than 7.5 mPa·s as measured at 20° C.; a content of a high-boiling organic solvent having a boiling point of not lower than 250° C.

Abstract: Provided are an inkjet ink set for corrugated cardboard, the inkjet ink set including inks of five colors, including a cyan ink, a magenta ink, a yellow ink, a black ink, and an ? ink, in which in a case where images having a halftone dot area ratio of 100% are formed on a corrugated cardboard base material using the five color inks each separately, the hue angle h, the chroma saturation C*, and the lightness L* of the formed images in the CIE 1976 L*a*b* color space satisfy the relations of the following Formula 1 to the following Formula 3; and an image forming method. In Formula 1, hM, h?, and hY represent the respective hue angles h of the inks. In Formula 2, C*M, C*?, and C*Y represent the respective chroma saturations C* of the inks. In Formula 3, L*M and L*? represent the respective lightness L* of the inks. hM<h?<hY??Formula 1 C*M<C*?<C*Y??Formula 2 L*M<L*???Formula 3.

Abstract: A pressure sensitive adhesive sheet is provided which comprises a pressure sensitive adhesive layer formed of a pressure sensitive adhesive composition. The pressure sensitive adhesive composition contains an aliphatic polycarbonate and a pressure sensitive adhesive resin other than the aliphatic polycarbonate. The pressure sensitive adhesive sheet can be reduced in the adhesive strength at desired timing by a novel mechanism of action so that the release of an adherend becomes easy. The above pressure sensitive adhesive composition preferably contains an acid/base generator that generates an acid or a base by applying energy.

Abstract: A radiation-curable ink jet composition contains at least one monomer A represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3, wherein R1 represents a hydrogen atom or a methyl group, R2 represents a divalent organic moiety having a carbon number of 2 to 20, and R3 represents a hydrogen atom or a monovalent organic moiety having a carbon number of 1 to 11. The composition also contains a cyclic, linear, or branched monomer B containing a (meth)acryloyloxy or (meth)acryloyl group in which the total number of nitrogen atoms and oxygen atoms other than the oxygen atoms contained in the (meth)acryloyloxy or (meth)acryloyl group is at least 2, and at least one monomer C represented by the following general formula (II): wherein n represents an integer of 2 to 6. The total content of monomer A is 10% by mass or more relative to the total mass of the ink jet composition.

Abstract: The present application describes a composition and method thereof to make low cost environment friendly and highly safe conducive ink by using micro-sized silver particles, water, edible level thickener, water-based solvent, water-based resin and surfactant. The conductive ink may be written by various kinds of writing devices like gel pen, ball pen etc. on various substrates like paper, plastic, metal, etc. form a conductive trace. As additional features of the present application, the composition comprises erasable conductive ink, which is fast curing and conductive immediately upon application, having multiple applications for educational purpose to help students have a better understanding of how electronic work and even design their own electronics conveniently.

Abstract: A heat stable radiation curable epoxy resin composition for preparing an ink composition including: (a) at least one divinylarene dioxide compound; (b) at least one photoinitiator compound; (c) at least one pigment; and (d) at least one optional additive wherein the at least one photoinitiator compound is a triarylsulfonium salt; wherein the at least one pigment is (i) a cyan pigment, or (ii) a magenta pigment; a process for preparing the above heat stable radiation curable epoxy resin composition; and a cured inkjet ink product prepared by curing the above heat stable radiation curable epoxy resin composition.

Abstract: Provided is an ink containing water, a plurality of organic solvents, a color material, and resin particles, wherein the plurality of organic solvents contain at least one compound having a hydrogen bond term ?H, which is a Hansen solubility parameter, of 4.1 MPa1/2 or higher but 9.5 MPa1/2 or lower and a boiling point of 170° C. or higher and at least one diol compound containing 3 or 4 carbon atoms.

Abstract: White-balance is improved when printing on colored media, while minimizing the time and use of costly materials required by present approaches. In an embodiment, the typical solid white fill or background layer is altered by including in the white layer one or more of the other colors already available in the printer to shade this layer. Thus, a small amount of cyan, for example, helps balance a pink-ish (red) media; yellow is used for blue media; and magenta is used for green media; as well as combinations thereof. A combination of transparent process inks and opaque white helps to maintain brightness (luminosity).

Abstract: Examples described herein include examples methods for generating varnish knockouts that include applying a fixer material to a surface of a print medium, selectively applying a print material over the fixer material to form an image, and applying an overcoat material to form a durable coating on areas over the image and a nondurable coating over other areas of the surface.

Abstract: The present disclosure relates to magenta inkjet inks having a quinacridone pigment and an azo pigment. The azo pigment has at least one azo compound having the formula (I), in which Ra is selected from H, aryl and C1 to C4 alkyl, and Rb, Rc and Rd are each independently selected from H, a C1 to C4 alkyl, an oxygen-containing, a nitrogen-containing and a sulphur-containing functional group. Where Ra is aryl, the aryl is not a phenyl group having at least one hydrogen atom that has been substituted with a chlorine atom.

Abstract: Ink includes water, a pigment, an organic solvent including glycol ether, and a surfactant including a silicone-based surfactant and a salt of sulfo succinic acid dialkyl ester. As measured by maximum bubble pressure technique at 23 degrees C., the dynamic surface tension of the ink at 15 msec is not greater than 31 mN/m and the difference between the dynamic surface tension of the ink at 15 msec and the dynamic surface tension of the ink at 1,500 msec is not greater than 4.0 mN/m.

Abstract: There is provided an electrostatic ink composition comprising chargeable particles comprising white pigment particles having a basic species on their surface; and a charge director; wherein the white pigment particles are present in an amount of at least 75 wt % based on the total weight of the non-volatile solids in the electrostatic ink composition. A method of manufacturing an electrostatic ink composition and a printed medium are also described.

Abstract: Certain examples for generating control data for production of a three-dimensional object are described. In one example, the three-dimensional object to be generated is represented using object model data and object property data. This data is processed to generate a rasterized representation of a plane of the three-dimensional object. The rasterized representation of the plane is then mapped to an area coverage representation defines object property data at a given location in the plane as one or more proportions of a set of available object properties at the location, for example material combinations. The area coverage representation is then halftoned to generate the control data for three-dimensional printing.

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: A print method includes applying a first ink to a recording medium to form a first ink print layer, drying the first ink print layer to a drying ratio of 30 percent or less, and applying a second ink having a color different from that of the first ink to the first ink print layer to form a second ink print layer thereon, wherein the first ink includes a urethane resin particle and a water-soluble organic solvent having a boiling point of from 100 to 180 degrees C. or ?-alkoxy propionamide of Chemical formula I, where R1 represents a methyl group, an ethyl group, a propyl group, or a butyl group and R2 and R3 each, independently represent alkyl groups having one to six carbon atoms, and the first ink and the second ink includes no organic solvent having a boiling point of 280 degrees C. or higher under 1 atm.

Abstract: An inkjet printer ejects a first ink of a plurality of colors and a second ink. An extractor extracts an underlying layer dot group from ink dots of the first ink of each of the plurality of colors. Such underlying layer dot groups and ink dots of the second ink form a first printing layer. An image dot group including at least the ink dots, of the first ink, other than the underlying dot groups forms at least one additional printing layer. The underlying dot groups are each extracted from the ink dots of the first ink of the corresponding color based on a predetermined extraction ratio.

Abstract: A pressure sensitive adhesive composition is described comprising at least one low Tg (meth)acrylic polymer, and at least one silsesquioxane polymer crosslinker comprising a plurality of ethylenically unsaturated groups. The low Tg (meth)acrylic polymer typically has a Tg no greater than 10° C. In some embodiments, the low Tg (meth)acrylic polymer comprises at least 50, 55, 60, 65, or 70 wt-% of polymerized units derived from low Tg ethylenically unsaturated monomer(s). The low Tg ethylenically unsaturated monomer(s) is typically an alkyl (meth)acrylate comprising 4 to 20 carbon atoms. Also described are pressure sensitive adhesive articles and methods of preparing such articles.

Abstract: A treatment composition for, among other things, treating human skin. These compositions are stable, particulate containing, printer compositions that have one or more particulate suspending agents. The suspending agents can be present in a concentration of from about 0.1% to about 5%, by weight. The particles in the particulate composition have a combined Particle Size Distribution D50 in the range of about 200 ?m to about 500 ?m, and preferably the compositions have a zeta potential of negative 20 or less, or greater than positive 20. The particulate suspending agent is preferably a polyacrylate composition, even more preferably sodium polyacrylate. The particles can be present in a concentration of from about 1% to about 30.0%, by weight, and preferably the particles in the particulate composition have a combined Particle Size Distribution D90 of less than about 1 ?m.

Abstract: A method for producing a device wherein, in a first production step, a translucent substrate is prepared, and wherein, in a second production step, a transparent material is printed onto the translucent substrate by a printing method. In the second production step, applications in the form of droplets of transparent material are arranged on the translucent substrate. In the second production step, an element which is formed from multiple applications and further applications is generated. The droplets to generate the element are deposited circularly in concentric rings, and the outermost deposited droplets have a first diameter, and the droplets deposited at a center have a second diameter that is different from the first diameter to build up a lens-like light-directing structure.

Abstract: A coating method of reflective film is first to prepare a glass beads film and then select a color to be coated. The color is composed of plural primary colors in fixed ratio, making the color have a standard ratio, which is obtainable from an original database. Next, ratios of the primary colors are respectively adjusted to form a printing ratio according to color fastness, permeability and light barrier property of each primary color attached to the glass beads and then, each primary color is orderly spray coated on the glass beads film to form a coating layer with micro-printing technique in accordance with the printing ratio, thus completing manufacturing of a reflective film with high transmittance and high wide angle.

Abstract: Provided is a thermoplastic polymer composition containing an aromatic vinyl-based block copolymer (a-1) having a number average molecular weight of 30,000 to 200,000, the aromatic vinyl-based block copolymer containing a polymer block F containing a structural unit derived from an aromatic vinyl-based monomer as a main component and a hydrogenated or non-hydrogenated polymer block G containing a structural unit derived from a conjugated diene monomer or an isobutylene monomer as a main component; an acrylic polymer (a-2); an olefin-based polymer containing polar groups (a-3); and a softening agent (a-4), at the proportions that satisfy the following Expressions (1) to (3): 0.05?W(a-2)/W(a-1)?9??(1) 0.1<W(a-3)/(W(a-1)+W(a-2)+W(a-3)+W(a-4))?0.9??(2), and 0?W(a-4)/(W(a-1)+W(a-2)+W(a-3)+W(a-4))?0.

Abstract: An ink jet printing ink composition contains pigment particles, resin particles, and water, in which the particle diameter ratio of the average particle diameter of the resin particles to the average particle diameter of the pigment particles is 0.60 or more and 1.70 or less and the potential ratio of the zeta potential of the resin particles to the zeta potential of the pigment particles is 0.80 or more and 1.25 or less.

Abstract: Provided are an image forming method and a corrugated cardboard. The image forming method includes applying a treatment liquid containing at least one kind of acidic compound and having a pH of equal to or lower than 2 onto a corrugated cardboard substrate of L*?90, applying a first ink composition, which contains a coloring material and water and in which a total content of resin particles and wax particles is equal to or less than 2% by mass with respect to a total mass of the first ink composition, to a treatment liquid-applied surface of the corrugated cardboard substrate onto which the treatment liquid is applied by an ink jet method under a condition of an amount of a liquid droplet of equal to or greater than 10 picoliters, and applying a second ink composition, which contains a resin, a wax, and water and in which a content of a coloring material is equal to or smaller than 0.

Abstract: A textile printing method includes heating a cloth, and applying an ink composition onto the heated cloth by ejecting the ink composition from an ink jet head. The ink composition contains resin fine particles and has a viscosity of 4.5 mPa·s or less at 40° C. and a surface tension of 28 mN/m or less at 40° C.

Abstract: An image forming method is provided. The method includes the steps of: applying a liquid composition, comprising a pigment, water, a resin, and an organic solvent, to a recording medium having water-absorptivity to form an image thereon; and winding up the recording medium in a roll form after the applying, wherein the following formulae are satisfied: 1.00×10?3?A?4.00×10?1 0.010?B/A?0.100 where B (mg/cm2) represents an amount of the organic solvent contained in the image after the winding and A (mg/cm2) represents a total amount of the organic solvent contained in the image and the recording medium after the winding.

Abstract: A method and an apparatus for forming a surface relief microstructure, especially an optically variable image on a paper substrate are provided, the method comprising the steps of: A) applying a curable composition to at least a portion of the frontside of the paper substrate; B) contacting at least a portion of the curable composition with surface relief microstructure, especially optically variable image forming means; C) curing the composition by using at least one UV lamp (1, 2, 3) which is arranged on the backside of the paper substrate; D) optionally depositing a layer of a transparent high refractive index material and/or a metallic layer on at least a portion of the cured composition, wherein the lamp (1, 2, 3) having emission peak(s) in the UV-A and near VIS range and the curable composition comprises at least a photoinitiator which absorbs in the UV-A region and preferably in the near VIS range.

Abstract: Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent.

Abstract: The present disclosure provides a method for transferring an image to a substrate that includes providing a transfer medium having at least one registration mark; printing an image on the transfer medium; covering the image with a backing layer, the backing layer not covering the registration mark; covering the backing layer with an adhesive layer; penetrating the adhesive layer and the backing layer with a cutting device at locations around the image, the penetrating of the adhesive layer and backing layer not penetrating the transfer medium; removing portions of the adhesive layer and backing layer from the locations around the image; and transferring the image to the substrate.

Abstract: There is provided a radiation curable ink jet composition including: a monomer A that has one of a (meth)acryloyloxy group and a (meth)acryloyl group and has a cyclic structure containing one or more nitrogen atoms and one or more oxygen atoms in addition to the (meth)acryloyloxy group and the (meth)acryloyl group; and a monofunctional monomer B other than the monomer A; in which the content of the monomer A is equal to or less than 25% by mass with respect to the total mass of the composition, and in which mol average Tg of the monomer A and the monofunctional monomer B is equal to or greater than 45° C.

Abstract: To provide an ink jet recording method excellent in a fixability of an image, capable of recording an image excellent in optical density, and excellent in a recoverability, when it uses a recording apparatus having a line head. This method records an image by using an ink jet recording apparatus equipped with a line head having an ejection nozzle of a pigment-containing aqueous ink and a mechanism for recovering an ejection state of the aqueous ink from the nozzle and applying the ink to a recording medium. The pigment has an average particle diameter of 80 nm or more, the ink has a dynamic surface tension of 55 mN/m or less at a lifetime of 10 milliseconds, the recovery mechanism includes a mechanism for causing the ink in the nozzle to flow, and the viscosity of the ink in the nozzle is reduced.

Abstract: An inkjet recording device includes an ink, a discharging head to discharge the ink to a recording medium, and a cleaning liquid, wherein the ink comprises water, a urethane resin having a glass transition temperature of 0 degrees C. or lower, a pigment, a compound represented by the following Chemical formula 1, and a surfactant, wherein the cleaning liquid comprises water, a compound represented by the following Chemical formula 1, a glycol ether compound, and a surfactant, where Me represents a methyl group, R1 represents an alkyl group having 1 to 4 carbon atoms.

Abstract: A recording apparatus includes a light irradiation unit configured to emit light for curing photocurable ink to a recording medium, and a head having a nozzle formation surface in which nozzles for discharging the photocurable ink onto the recording medium are formed. A retroreflection surface is provided on at least a part of a light arrival region at which the light emitted from the light irradiation unit arrives.

Abstract: An inkjet printing system is described herein. In an implementation, the inkjet printing system includes a fixer dispensing unit for applying a fixer composition on a substrate and an ink dispensing unit for applying an ink composition on the substrate. The fixer composition includes a metal salt in a range of about 5% to 10% by weight. Further, the ink composition includes a liquid vehicle having a non-volatile organic solvent, a colorant dispersed in the liquid vehicle, and a latex binder dispersed in the liquid vehicle.

Abstract: A liquid jet head includes an actuator plate on which are formed ejection channels which extend in a channel extending direction and are filled with ink, and dummy channels which extend in the channel extending direction and are not filled with ink. A nozzle plate is laminated on the actuator plate and includes nozzle holes each communicating with a corresponding ejection channel at a central part in the channel extending direction of the ejection channel. The actuator plate includes a first channel row and a second channel row each of which includes the ejection channels and the dummy channels alternately arranged side by side in the X direction, the first and second channel rows being spaced apart in the channel extending direction. The ejection channels and the dummy channels are each symmetric with respect to a plane that passes through the center in the channel extending direction and perpendicular to the channel extending direction.

Abstract: An actuator device, particularly for ink-jet heads, comprising: two or more electromagnetic actuators or solenoids (S), each comprising a ferromagnetic core (2), and a conductive winding or coil (4), arranged concentrically to the ferromagnetic core (2); a containment body (5), which encloses the electromagnetic actuators (S) and is provided with at least one cooling system (6).

Abstract: An ink jet recording method includes: a reaction liquid application step of ejecting from an ink jet head, a reaction liquid containing an aggregating agent which aggregates an ink composition so as to adhere the reaction liquid to a recording medium which is a non-absorptive recording medium or a low-absorptive recording medium; a reaction liquid drying step of drying the reaction liquid adhered to the recording medium; and an ink composition application step of ejecting the ink composition from the ink jet head so as to apply the ink composition to the recording medium to which the reaction liquid is adhered. When the ink composition is to be adhered, the reaction liquid is dried so that an evaporated amount of water and an organic solvent contained in the reaction liquid are 70 percent by mass or more and 60 percent by mass or less, respectively.

Abstract: The present invention relates to a UV-curable ink composition, a method for producing a bezel pattern of a display substrate using same, and a bezel pattern produced thereby, the UV-curable ink composition comprising a colorant, an epoxy compound, an oxetane compound and a photopolymerization initiator, wherein a content ratio of the epoxy compound to the oxetane compound is 1:0.5 to 1:6 and the curing dose amount of the ultraviolet curable ink composition is 20 to 5,000 mJ/cm2.

Abstract: A polymerizable inkjet ink, containing: photopolymerizable monomers containing a compound (A) that is negative for skin sensitization, a compound (B) that is negative for skin sensitization, and a photoradical polymerization initiator where the compound (A) is a (meth)acrylate compound, the photoradical polymerization initiator is 2,4-diethyl thioxanthone, and the ink has a viscosity of 2 to 150 mPa·s at a temperature of 25° C. and a viscosity of 2 to 20 mPa·s at 60° C.

Abstract: A printed product is produced by applying at least one colored and water-containing ink to image regions on a printing material in a drop-on-demand process, applying a substantially colorless and water-containing liquid a) to non-image regions and/or b) to image regions that have little ink in a drop-on-demand process and drying the printing material. In this case, the printing material has a coating with at least one acid. After applying ink and applying the liquid, a water-containing further liquid is applied both to image regions and to non-image regions of the printing material. The first-mentioned liquid and/or the further liquid contains at least one substance for at least partly neutralizing the acid. The undesired formation of crease waves or curls and glossiness fluctuations between varnished image areas and varnished non-image areas is thus advantageously avoided.

Abstract: A method for manufacturing printed products contains the steps of applying at least one colored and water-containing ink to image regions on a printing material in a drop-on-demand process. An essentially colorless and water-containing liquid is applied a) to non-image regions and/or b) to image regions that have only little ink in the drop-on-demand process. The printing material is dried. The printing material has a coating that contains at least one acid. After the application of ink and the application of a liquid, a water-containing further liquid, for instance a varnish, is applied both to image regions and to non-image regions of the printing material, and that the liquid and/or the further liquid contains at least one substance that at least partly neutralizes the acid. The undesired formation of waves and glossiness fluctuations between varnished image regions and varnished non-image regions may thus advantageously be avoided.

Abstract: Provided is a reaction solution containing any one or more kinds of organic solvents from esters, alkylene glycol ethers, cyclic esters, and alkoxyalkyl amides; and an aggregating agent which aggregates components of an ink composition, in which the reaction solution is used for a recording method performed by using the ink composition.

Abstract: A non-aqueous ink jet composition includes a pigment component containing a diketopyrrolopyrrole pigment and an organic solvent. The organic solvent contains glycol ethers. The amount of dissolved nitrogen in the non-aqueous ink jet composition is 90 mass ppm or less based on the total amount of the non-aqueous ink jet composition.