Abstract: An inkjet ink is provided. The inkjet ink includes water; a water-soluble organic material in an amount of from 40 to 50% by weight based on the total weight of the inkjet ink; and a colorant. The water-soluble organic material includes at least one of 1,3-dimethyl-2-imidazolidinone, ?-methoxy-N,N-dimethylpropionamide, and 2-pyrrolidone in an amount of from 5 to 35% by weight based on the total weight of the inkjet ink, and further includes a compound having the following formula (1) in an amount of from 10 to 40% by weight based on the total weight of the inkjet ink.

Abstract: This invention relates to a printing ink and in particular to an ink for ink-jet printing which is cured by irradiation. The ink comprises at least one radiation-curable monomer; at least one passive thermoplastic resin; at least one radical photoinitiator; and at least one colouring agent; wherein the ink has a viscosity of less than 100 mPas at 25° C., and wherein the at least one passive resin is present at 2 to 15 wt % based on the total weight of the ink and has a molecular weight of 1,500 to 70,000.

Abstract: An ink composition having organic pigment particles, a hydrosoluble solvent; a dispersing agent, and water, wherein each of the organic pigment particles has a circularity of 2 nm or less, which is defined as a difference between radii of concentric circumscribing and inscribed circles of a contour of an image of each of the organic pigment particles taken by a transmission electron microscope when a gap between the concentric circumscribing circle and the inscribed circle is least, wherein the inscribed circle has a diameter of from 5 nm to less than 50 nm.

Abstract: Examples provide inkjet printing fluid compositions and apparatuses including such compositions. An inkjet printing fluid composition may comprise a vehicle including at least 50% weight percent water based on the inkjet printing fluid composition as a whole and substantially only one surfactant, the surfactant including alkoxylated alcohol present in the inkjet printing fluid composition from about 0.1 weight percent to about 1.0 weight percent alkoxylated alcohol.

Abstract: In an advantage of embodiments of the invention, there is provided an aqueous ink composition at least containing water, silver particles, and a humectant, and the humectant is at least one member selected from glycerols, glycols, and saccharide.

Abstract: Oil compositions having a high concentration of polyunsaturated fatty acids are described for use in various applications including use as drying oils, in ink compositions and coating compositions. Oil compositions wherein the double bonds of the fatty acids are substantially epoxidized are described and used as plasticizers and thermal stabilizers for various halogenated polymer compositions.

Abstract: There is provided a water-based ink for ink-jet recording including: a colorant; water; glycerol; and at least one of raffinose and a derivative thereof in an amount ranging from more than 0% by weight to not more than 2% by weight with respect to an entire amount of the water-based ink. There is also provided a water-based ink for ink-jet recording including: a colorant; water; glycerol; diethylene glycol; and at least one of raffinose and a derivative thereof.

Abstract: [Problem to be solved] A non-aqueous ink, which has excellent pigment dispersion stability and can achieve reduction or elimination of print-through, thereby achieving high print density, is disclosed. [Solution] The non-aqueous ink contains at least a pigment and an organic solvent, wherein the organic solvent contains a five-membered heterocyclic compound having a C?O bond in an amount of 50 mass % or more of the organic solvent, and the content of a polymer component in the ink is 20 mass % or less relative to the pigment.

Abstract: Provided is an aqueous ink capable of recording an image achieving a high level of both of color developability and lightfastness. The aqueous ink includes a first pigment and a second pigment. The first pigment is C.I. Pigment Yellow 213, and the second pigment is at least one selected from the group consisting of C.I. Pigment Yellows 93, 128, 138, 151, 155, 180, and 215. The content A (% by mass) of the first pigment and the content B (% by mass) of the second pigment based on a total mass of the ink satisfy a relationship of 0.1?A/(A+B)?0.9. The ink further includes a water-soluble organic solvent having an SP value (unit: (cal/cm3)1/2) determined by Fedors' method of 11.0 or more and 16.0 or less.

Abstract: The present invention is to provide a coloring ink for an electrical wire to prevent a color irregularity. A coloring ink is ejected to an outer surface of an electrical wire with a certain amount of the ink to form a mark. The coloring ink contains 100 parts by weight of an ink material, which contains a solvent, an acrylic resin, and a coloring material, and 5-15 parts by weight of an aqueous PVA solution. A concentration of the aqueous PVA solution is 10-15 %.

Abstract: The nonaqueous ink composition for ink jet recording according to the invention includes a compound represented by the General Formula (1) below; and a compound represented by the General Formula (2A) or the General Formula (2B) below. In the General Formula (1), R1 represents an alkyl group having 1 to 4 carbon atoms, and R2 and R3 represent a methyl group or an ethyl group; in the General Formula (2A), R4A represents an alkyl group having 5 to 9 carbon atoms, and R5A represents a methyl group or an ethyl group; in the General Formula (2B), R4B represents an alkylene group having 2 to 5 carbon atoms, and R5B and R6B each independently represent alkyl groups having 1 to 4 carbon atoms.

Abstract: The present disclosure is drawn to an ink sets, printed articles, and related methods. The ink set can comprise a pre-treatment ink and a reflective ink. The pre-treatment ink can comprise a first liquid vehicle and inorganic pigment particles having an average particle size ranging from 20 nm to 300 nm and a refractive index of less than 2. The reflective ink can comprise a second liquid vehicle and metal oxide particles having an average particle size from 3 nm to 180 nm, wherein the average particle size of the metal oxide particles is smaller than the average particle size of the inorganic pigment particles. The reflective ink is formulated to have a metallic luster when overprinted on pre-treatment ink.

Abstract: A water-based ink for ink-jet recording includes: a pigment; water; tripropylene glycol contained not more than 28% by weight in the water-based ink; and 1,2-diol having a number of 8 to 10 carbon atoms; wherein a weight ratio (X:Y) of the tripropylene glycol (X) to the 1,2-diol (Y) in the water-based ink is in a range of X:Y=50:1 to 2.4:1.

Abstract: An image forming method applying a pretreatment liquid on the surface of a recording medium; and applying an inkjet ink including a colorant, a hydrosoluble organic solvent, a surfactant and water on the surface applied with the pretreatment liquid, wherein the hydrosoluble organic solvent includes at least one polyol including an equilibrium water content in an amount not less than 30% by weight at 23° C. and 80% RH; an amide compound having the following formula (I); and at least one of compounds having the following formulae (II) to (IV), and wherein a pure water transfers to the recording medium in an amount of from 1 to 15 mL/m2 when measured by a dynamic scanning liquid absorptometer at a contact time of 100 ms.

Abstract: It is an object of the present invention to provide an ink set which makes it possible to obtain recorded images that have a broad color reproduction range and a high saturation, as well as glossiness without conspicuous graininess caused by dot expression, and which in particular makes it possible to achieve an extreme suppression of graininess caused by dot expression in cases where the ink set is used on media that have a coating layer, and to obtain recorded images with extremely superior coloring characteristics in cases where the ink set is used on ordinary paper. The present invention provides an ink set comprising at least a yellow ink (Y), magenta ink (M), cyan ink (C) and red ink (R), wherein the L* values in the CIE-stipulated Lab display system of aqueous solutions of the respective inks diluted 1000 times by weight are in the following ranges: (Y): at least 89 but no more than 94, (M): at least 76 but no more than 93, (C): at least 74 and no more than 87, (R): at least 55 and no more than 74.

Abstract: Provided is a pigment particle suitable for an ink capable of recording an image that is excellent in color developability and lightfastness, and has a yellow hue. The pigment particle is a pigment particle having a structure represented by the following formula (1), in which a maximum absorption wavelength of an absorption spectrum in a wavelength region of 200 nm or more and 800 nm or less is present in a range of 340 nm or more and 360 nm or less.

Abstract: Disclosed herein are aqueous dispersions comprising: at least one pigment present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one pigment being selected from oxidized carbon blacks and modified carbon blacks having attached at least one organic group; and at least one organic solvent present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one organic solvent having a Hansen hydrogen bonding parameter (?H) ranging from 13 to 50 MPa0.5, and a Hansen polarity parameter (?p) ranging from 5 to 13 MPa0.5, wherein the dispersion is substantially free of a surfactant. Also disclosed are methods of preparing aqueous dispersions and injet ink compositions prepared from the same.

Abstract: A non-aqueous inkjet ink including at least a pigment, a dye and organic solvents, wherein the total amount of the pigment and the dye is at least 3 mass % relative to the total amount of the ink, the content ratio of the pigment to the dye is in the range from 7:3 to 4:6, the pigment has a DBP oil absorption in the range from 60 cm3/100 g to 140 cm3/100 g, and the organic solvents include at least two organic solvents including an organic solvent with an ? value of at most 10 and an organic solvent with an ? value of at least 30.

Abstract: A phase change ink composition comprising an amorphous component, a crystalline component comprises a sulfone compound or derivatives thereof, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates.

Abstract: An ink for ink-jet recording apparatuses includes water, a pigment dispersion, a humectant, and a penetrating agent. The ink includes glycerin of from 5% to 9% by mass and 1,3 -propanediol and/or 1,4-butanediol of from 30% to 45% by mass as the humectant. The ink also includes a C1-C4 monoalkyl ether of polyhydric alcohol of from 2.0% to 4.5% by mass as the penetrating agent.

Abstract: An ink for inkjet recording apparatuses is provided in which an adsorbed resin proportion calculated from a total resin mass and a free resin mass in the ink is at least 0.95 and less than 1.00, the ink containing in specific amounts, respectively: water; a pigment dispersion including a resin with a molecular weight in the range of 35,000 to 140,000 and a specific amount of pigment; glycerin and 1,3-propanediol as humectants; and 1,2-octanediol, which has 8 carbon atoms, as a high penetrating agent, and further containing a C2-C4 monoalkyl ether of a polyhydric alcohol as a penetrating agent.

Abstract: An ink for ink-jet recording apparatuses, includes water, a pigment dispersion, and a super-penetrating agent and a high SP organic solvent respectively having a predetermined solubility parameter (SP value). All of differences (?SPs) between SP values of the neighboring organic solvents are from 0.5 to 5.0 in order of SP values thereof, and the difference of SPmax?SPmin is 12 or less in which SPmax is the highest SP value of an organic solvent among organic solvents in the high SP organic solvent and SPmin is the smallest SP value of an organic solvent among organic solvents in the super-penetrating agent.

Abstract: An aqueous inkjet ink set for use in continuous inkjet printing comprising at least one cyan ink, at least one yellow ink, at least one magenta ink, and at least one black ink, wherein each ink of the ink set comprises dispersed pigment particles and at least one surfactant selected to provide a 10-ms dynamic surface tension of less than 54 mN/m for each ink. The invention relates to continuous ink jet printing of aqueous pigmented ink compositions recycled from main ink supply reservoirs, employing a printer with drop ejectors and a drop deflector and non-printing drop catchers capable of returning unprinted ink to the fluid delivery systems following the capture of non-printing drops. The pigmented ink jet ink compositions provide for particularly suitable fluid properties on the drop catcher face that minimize printing defects that can occur during drop deflection during the printing of high dynamic range images at high speed.

Abstract: Solvent-based inkjet ink formulations including an organic solvent, a resin, a surfactant, and a colorant are provided. The inks have many desirable attributes such as extended decap time.

Abstract: The present invention provides an ink that can achieve image characteristics for recording an image having excellent optical density, bleeding resistance, and white blur resistance and also can achieve reliability that provides excellent sticking resistance to a recording head. The ink is one for ink jet containing a first pigment and second pigment. The first pigment is a self-dispersible pigment to a surface of a particle of which a first functional group containing a phosphonic acid group is bonded. The second pigment is a self-dispersible pigment to a surface of a particle of which a second functional group not containing a phosphonic acid group but containing an anionic group other than the phosphonic acid group, and further containing another atomic group is bonded. The introduced amount of the functional group of the second pigment is 0.25 mmol/g or more.

Abstract: An ink composition for ballpoint pens comprises a coloring agent, a liquid medium, a polyoxyethylene castor oil and/or a polyoxyethylene hardened castor oil, or a derivative thereof, and one compound or a mixture of two or more compounds selected from the group consisting of a monoalkyl ether phosphoric acid, a polyoxyethylene monoalkyl ether phosphoric acid, a dialkyl ether phosphoric acid, a polyoxyethylene dialkyl ether phosphoric acid, a trialkyl ether phosphoric acid, and a polyoxyethylene trialkyl ether phosphoric acid.

Abstract: An ink formulation for marking living tissue comprises a dispersion of carbon black pigment particles encapsulated in water soluble shells, mixed with a pharmaceutically accepted carrier, such as water, and a preservative. A dispersion formulation is preferential to a suspension formulation for marking living tissue because the carbon particles of the dispersion formulation are less likely to aggregate and sediment over time. In addition, the absence of large quantities of additives makes a dispersion formulation less reactive to living tissue, further enhancing its appeal as a biological marker.

Abstract: An ink dispersion includes an ink vehicle and a colorant dispersed in the ink vehicle. The ink vehicle includes a non-ionic surfactant and a solvent. The non-ionic surfactant has an HLB value ranges from about 5 to about 16, and is chosen from: i) a material represented by one of the formulas R1—O—(OR2)n—H, R1—(OR2)n—OH or R1—C6H4—(OR2)n—OH, wherein: R1 is chosen from a) a linear or cyclic alkyl group including from 3 to 20 carbon atoms, or b) a substituted or non-substituted alkyl group including from 6 to 18 carbon atoms, R2 is chosen from CH2CH2 or CH2CH2CH2, and n is an integer chosen from 2 to 100; or ii) a diester having at least one ethylene oxide repeating unit; or iii) an octylphenol having at least one ethylene oxide repeating unit.

Abstract: An aqueous ink for ink jet contains a self-dispersible pigment in which a first functional group including a phosphonic acid group and a second functional group including at least one of a carboxylic acid group and a sulfonic acid group are bonded to a particle surface, wherein a surface charge amount derived from the phosphonic acid group included in the above-described first functional group is 0.3 micromoles/m2 or more, a total surface charge amount derived from the carboxylic acid group and the sulfonic acid group included in the above-described second functional group is 1.0 micromoles/m2 or more, and a total surface charge amount derived from anionic groups included in the above-described first functional group and the above-described second functional group is 2.0 micromoles/m2 or more and 8.0 micromoles/m2 or less.

Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. The present embodiments provide an ink composition including a component that is substantially amorphous, the component comprising at least one non-ester material and at least one ester of malic acid having a formula of wherein R1 and R2 each, independently of the other, is an alkyl group, and further wherein the alkyl portion can be straight, branched or cyclic, saturated or unsaturated, substituted or unsubstituted, having from 1 to about 40 carbon atoms, an substituted or unsubstituted aromatic or heteroaromatic group, and mixtures thereof.

Abstract: A water-based ink for ink jet recording includes a self-dispersible pigment modified by phosphate group; water; a water-soluble organic solvent; a cationic surfactant which is contained at 0.001% by weight to 0.05% by weight in the water-based ink for ink jet recording; and at least one selected from the group consisting of boric acids, a chelate agent, a reducing sugar and a sugar alcohol.

Abstract: A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In particular, the crystalline component comprises an aromatic ether.

Abstract: An ink composition includes a slightly water-soluble alkanediol having 7 to 10 carbon atoms and cyclodextrin compound.

Abstract: An ink composition includes a cyclic saccharide and hydantoin or a derivative thereof.

Abstract: A system for printing and emissive image on a substrate that includes red, green, and blue additive-color emissive inks configured to be printed to a substrate using an ink printer device intended for use with subtractive-color ink. An image to be printed can be converted to color negative form prior to printing using the subtractive-color ink printer. The system may include a subtractive-color ink printer intended for use with subtractive-color ink cartridges. The system may also include a computer device programmed to convert an image to a color negative form.

Abstract: A nano-pigment inkjet ink composition that has a low odor and is environmentally-friendly includes, based on total weight of the inkjet ink composition, from 1 to 10 percent by weight of N-ethyl pyrrolidone; from 1 to 20 percent by weight of propylene carbonate; from 50 to 80 percent by weight of a glycol ether solvent; a pigment that is a nano-pigment having a nano-particle size; a dispersant; a resin; a plasticizer; a surfactant; and from 0.1 to 3.0 percent by weight of an acidity regulator that is at least one cyclic tertiary amine compound. This inkjet ink composition meets both environmental and print quality requirements. The composition has a high flash point and includes raw materials having low toxicity and low odor. It has good storage stability, inkjet stability, and good print quality. Printhead nozzles are not easily clogged. The printed image has high gloss, scratch resistance, and weather resistance.

Abstract: The present disclosure is drawn to an ink sets, printed articles, and related methods. The ink set can comprise a pre-treatment ink and a reflective ink. The pre-treatment ink can comprise a first liquid vehicle and inorganic pigment particles having an average particle size ranging from 20 nm to 300 nm and a refractive index of less than 2. The reflective ink can comprise a second liquid vehicle and metal oxide particles having an average particle size from 3 nm to 180 nm, wherein the average particle size of the metal oxide particles is smaller than the average particle size of the inorganic pigment particles. The reflective ink is formulated to have a metallic luster when overprinted on pre-treatment ink.

Abstract: The ink for ink jet recording includes a sparingly water-soluble alkanediol, a resin, and a coloring material, wherein the content of the coloring material is from 1 to 3% by mass based on the total mass of the ink, the surface tension is from 21 to 25 mN/m, and the thixotropic index (TI) represented by the following formula (1), as determined at a time point when its content becomes 40% by mass based on the total mass before the evaporation of the ink by the evaporation of the ink, is from 2 to 110: TI=?(1 s?1)/?(1000 s?1)??(1).

Abstract: An ink set for inkjet recording includes: an ink composition including a pigment, a water-soluble polymerizable compound, and water; and a maintenance liquid that has a pH higher than 8.5 and that includes water and a water-soluble organic solvent having an SP value higher than 27.5 MPa1/2, the amount of water contained in the maintenance liquid being 50% by mass or more with respect to the total amount of the maintenance liquid, the amount of water-soluble organic solvent contained in the maintenance liquid having an SP value higher than 27.5 MPa1/2 being from 5 to 30% by mass with respect to the total amount of the maintenance liquid, and the amount of water-soluble organic solvent contained in the maintenance liquid having an SP value of 27.5 MPa1/2 or lower being less than 5% by mass with respect to the total amount of the maintenance liquid.

Abstract: An aqueous pigment dispersion used for preparing an ink jet recording aqueous ink comprises an anionic group-containing organic polymeric compound, an organic pigment, an organic pigment derivative, and the water, wherein the polymeric compound, the organic pigment, and the organic pigment derivative are dispersed in water, the organic pigment and the organic pigment derivative are a diketopyrrolopyrrole-based red pigment and a phthalimidoalkylated quinacridone, respectively, and the phthalimidoalkylated quinacridone content is in the range of 1.6 to 3.8% relative to the total (100%) of the diketopyrrolopyrrole-based red pigment and the phthalimidoalkylated quinacridone on a mass basis. Furthermore, there is provided an ink jet recording aqueous ink containing such an aqueous pigment dispersion, wherein the aqueous pigment dispersion is diluted such that the total of the organic pigment content and the organic pigment derivative content is from 1 to 8% on a mass basis.

Abstract: An oil-based ink composition comprising a colorant, an organic solvent and a polymeric compound, and optionally an alkylamine ethylene oxide derivative as a pH adjusting agent, in which the pH of an aqueous phase is from 5.5 to 10, when ions in the ink composition are transferred to water. This oil-based ink composition prevents corrosion of a nozzle plate and is improved in storage stability, and thus can ensure printer reliability such as ink-jet stability obtainable even after long storage thereof, and can withstand outdoor service environments.

Abstract: An offset printing varnish, comprising a solvent, is provided. The solvent comprises at least one triglyceride with saturated monocarboxylic acid moieties, which solvent is preferably food safe.

Abstract: The present invention pertains to an aqueous inkjet ink comprising pigment stabilized to dispersion with anionic dispersant, wherein cations present in the ink comprise a mixture, in a certain molar ratio, of lithium and one or more of sodium, potassium, rubidium and/or cesium. The inks exhibit greatly extended latency.

Abstract: A dual color electronically addressable ink includes a non-polar carrier fluid; a first colorant of a first color; and a second colorant of a second color that is different than the first color. The first colorant includes a first particle core, and a first functional group attached to a surface of the particle core. The first functional group is capable of carrying a positive charge and is chosen from a base or a salt of the base. The second colorant includes a particle core, and a second functional group attached to a surface of the particle core. The second functional group is capable of carrying a negative charge and is chosen from an acid or a salt of the acid. The ink further includes an additive chosen from polyhydroxystearic amide salt, polyhydroxystearic acid, aromatic butyric acid, and combinations thereof.

Abstract: A printable ink mixture may include: a medium, orthophosphoric acid, at least one metal oxide, and at least one pigment. A method for producing a color print on a glass or ceramic surface may include: producing an ink mixture including a medium, orthophosphoric acid, at least one metal oxide, and at least one pigment, applying the ink mixture to the glass or ceramic surface, removing the medium from the ink mixture, and baking the ink mixture on the glass or ceramic surface to produce the color print.

Abstract: A compound is disclosed. The compound has a general structure: wherein R1, R2, and R3 are each independently selected from the group consisting of hydrogen, substituted saturated hydrocarbons, non-substituted saturated hydrocarbons, substituted unsaturated hydrocarbons, and non-substituted unsaturated hydrocarbons; wherein E and D are each independently selected from the group consisting of CH2, O, S, and NH; and wherein a, b, x, y, and z are each independently any whole number between 0 and 45, inclusive, wherein the sum of a and b is less than 45 or equal to 45 and wherein the sum of x, y, and z is less than 45 or equal to 45.

Abstract: An inkjet ink composition comprising: (a) water; (b) dispersed pigment particles; and (c) at least one humectant; wherein the pigment particles are present from about 4.5% by mass to about 10% by mass, and the pigment particles have a mass weighted mean Stoke's diameter of from about 35 nm to about 70 nm wherein the Stoke's diameter is determined by differential centrifugal sedimentation of the particles through a fluid in a disc centrifuge. The present invention employs specified sedimentation particle sizing criteria for selection of appropriate pigment particle sizes at high pigment concentrations to obtain improved ink performance. Further embodiments of the invention also demonstrate that the criticality of humectant types and levels employed in an ink can also become much more important at high pigment loading in order to obtain desired performance.

Abstract: A white ink composition contains a white or whitish pigment, an ethylene-vinyl acetate (EVA) resin or a polyolefin wax, and a fluorene resin or a styrene acrylic resin.

Abstract: An ink jet recording method includes ejecting droplets of an aqueous ink composition on an ink-non-absorbent or ink-low-absorbent recording medium from an ink jet recording apparatus, and drying the aqueous ink composition on the recording medium by heating the recording medium to 40° C. or more. The aqueous ink composition used in the method contains a pigment, a first solvent and a second solvent, but does not contain glycerol. The first solvent content W‘is in the range of 3% to 6% by mass, and the ratio W2/W1 of the second solvent content W2 to the first solvent content W1 is 2 or more.

Abstract: An ink contains at least a pigment, wherein the pigment is a solid solution of C.I. Pigment Red 202 and C.I. Pigment Violet 19, and a primary particle diameter D (nm) of the pigment and a 50%-cumulative diameter D50 (nm) in particle diameter distribution of the pigment satisfy a relation of D×0.95?(=<)D50?(=<)130, and a 90%-cumulative diameter D90 (nm) in particle diameter distribution of the pigment and the 50%-cumulative diameter D50 (nm) satisfy a relation of 1.5?(=<)D90/D50?(=<)2.2.