Abstract: An inkjet ink for an offset coated medium includes: water; a colorant; a binder that is a polyurethane-based dispersion; a co-solvent; and two or more surfactants. A first surfactant has a first hydrophilic lipophilic balance (HLB) value either within a water dispersible range or within a hydrophobic range and a second surfactant has a second HLB value within a hydrophobic range. The combination of the first surfactant and the second surfactant is to adjust a surface tension of the inkjet ink to a value lower than a surface tension of the offset coated medium on which the inkjet ink is to be printed.

Abstract: An aqueous ink for ink jet, the aqueous ink including a pigment and a resin for dispersing the pigment. The pigment is impregnated with a compound having a structure in which at least two structures each represented by General Formula (1) are bonded by a glycoside bond.

Abstract: An ink for ink jet recording apparatuses contains water and a pigment dispersion containing a resin and carbon black. The ink additionally contains a surfactant including a compound expressed by the general formula (I) below, and the mass average molecular weight of the resin, the DBP oil absorption of the carbon black, the content of the resin with respect to the content of the carbon black in the pigment dispersion, and the dried-by-evaporation viscosity V40, which is the viscosity of the ink at the dryness of 40% by mass, are all within the respective predetermined ranges.

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: An inkjet ink includes an organic solvent, a resin, a surfactant, and a colorant. The ink has a decap time of at least about 1 minute.

Abstract: An ink jet ink set, at least has a cyan ink, a magenta ink, and a yellow ink, in which the cyan ink contains at least either one of C.I. Acid Blue 9 or C.I. Direct Blue 199, the magenta ink contains at least either one of C.I. Acid Red 249 or C.I. Reactive Red 141, the yellow ink contains at least either one of C.I. Direct Yellow 86 or C.I. Direct Yellow 132, and the cyan ink, the magenta ink, and the yellow ink all contain an alkylene oxide adduct of acetylene glycol having 12 or more carbon atoms in the main chain, acetylene glycol having 10 or more carbon atoms in the main chain, and polyoxy alkylene alkyl ether.

Abstract: A solvent-based inkjet ink includes a soluble dye and approximately 0.1 to 1 wt % weight of the ink of a perfluoro-polyether.

Abstract: An ink set for an aqueous ink jet includes a first ink and a second ink, in which the first ink satisfies requirement 1 and requirement 2 described below: requirement 1: the first ink contains a coloring material, a fluorinated surfactant, and a specific salt, and requirement 2: the difference between the dynamic surface tensions of the first ink at lifetimes of 50 msec and 5000 msec measured by a maximum bubble pressure method at 25° C. is 17 mN/m or more, and the dynamic surface tension of the first ink at a lifetime of 5000 msec is 32 mN/m or less.

Abstract: An ink set is provided which includes a first ink containing a first pigment, water, and a glycol ether having an HLB value, measured by Davies method, in the range of 4.2 to 8.0, and a second ink substantially not containing the glycol ether. The second ink contains a second pigment and water.

Abstract: An inkjet ink set including at least a black ink, a cyan ink, a magenta ink, and a yellow ink. Each of the inks includes at least a water-soluble dye, water and a water-soluble solvent including a specific alkoxypropionamide compound. The cyan, magenta and yellow inks has a S/W ratio of not less than 1.5 and not greater than 3.5, wherein S represents the content of the water-soluble solvent in each ink, and W represents the content of water in each ink, and the black ink has a S/W ratio of not less than 1.0 and less than 1.5, wherein S represents the content of the water-soluble solvent in the black ink, and W represents the content of water in the black ink.

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: 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 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 ink is disclosed. The ink composition includes an ink vehicle, a colorant, and a fluorosurfactant, wherein the fluorosurfactant is a polymer having the general formula: wherein p is any integer, q is any integer, Z1 and Z2 are each fluorine or any functional group, and R1, R2, R3 are each fluorine, any alkyl group, or any functional group, and wherein R1, R2, R3, Z1, and Z2 are not all fluorine and the fluorosurfactant lowers the surface tension of the ink vehicle. A method for improving a property of an ink is also disclosed.

Abstract: A water-based ballpoint pen using a cemented carbide ball comprising tungsten carbide and a metal binder as a writing front end, wherein cobalt and/or nickel are contained in the cemented carbide ball as the metal binder in an amount of 1 to 20% by weight based on the total amount of the ball and which further includes an aqueous ink composition containing a colorant, water, a phosphate ester-based surfactant, and any one or more compounds of a thiadiazole represented by formula (1), 5-mercapto-3-phenyl-1,3,4-thiadiazole-2-thione or a salt thereof, and an oligomer of 2,5-dimercapto-1,3,4-thiadiazole: wherein X and Y each represents any substituent of CH3, NH2, and SM, and M represents any of hydrogen, an alkali metal, an ammonium, and an alkanolamine.

Abstract: An inkjet recording ink containing: water; a water-soluble organic solvent; a colorant; and at least one fluorochemical surfactant having a formula selected from the group consisting of (b), (a), (a?), and (h): [(RfSO2)2]N?M+??(a), [(RfSO2)(RSO2)]N?M+??(a?), [(FSO2)2]N?M+??(h), wherein M+ is Li+, Na+, K+, or NH4+, Rf is CF3, C2F5, C3F7, or C4F9, and R is C1-C10 alkyl group.

Abstract: The present invention is directed to magenta inks and ink sets for ink-jet printing. The inks and ink sets provide exceptional ozone fastness, particularly when printed on porous media or plain paper. The inks of the ink sets are formulated to be compatible with each other and are capable of producing high quality printed images.

Abstract: A novel black ink composition is provided. In the black ink composition of the present invention, the dye compounds include a blue dye compound of formula (I), a red dye compound of formula (II) and a yellow dye compound of formula (III). The black ink composition of the present invention is suitable for inkjet printing to improve light-fastness and printing property.

Abstract: An ink set includes at least two aqueous inks A and B with different colors, the inks A and B used in an inkjet recording method in which the inks A and B are superimposed for formation of a color image, wherein the ink A contains water-dispersible colorant A1 free of a surfactant-based dispersant, and anionic compound A2, and wherein the ink B contains water-dispersible colorant B1 containing a surfactant-based dispersant.

Abstract: A thermal ink jet ink composition includes one or more volatile organic solvents, one or more humectants, one or more binder resins, one or more dyes, and one or both of a surfactant and a plasticizer. The one or more volatile organic solvents are selected from C1-C4 alcohols, C3-C6 ketones, C4-C8 ethers, C3-C6 esters, and mixtures thereof. The one or more humectants are present in an amount not more than 30% by weight of the ink jet ink composition. The ink jet ink composition optionally includes water up to 10% by weight of the ink jet ink composition.

Abstract: Inkjet ink formulations and methods using the same, with improved performance, wherein the inks are formulated to work as an ink set with darker inks having a higher dynamic surface tension.

Abstract: The present invention relates to inkjet inks having improved compatibility with high resolution nozzle plate materials such that the inkjet inks resist clogging nozzles and flooding upon jetting. The inkjet ink includes one or more colorants, at least three co-solvents comprising about 18% to about 24% of the composition of the ink by weight, a penetrant, at least one wetting agent, and water.

Abstract: The present invention provides an inkjet ink containing at least a colorant, water, a water insoluble resin, a fluorine surfactant, and a polyether-modified silicone oil, wherein the polyether-modified silicone oil has a hydrophobic value of 0.40 to 1.5, and the hydrophobic value is expressed by Equation 1: Hydrophobic value=A/B??Equation 1 where “A” represents an integration value of a peak area from 0 ppm to 0.3 ppm in a 1H-NMR spectrum of the polyether-modified silicone oil using tetramethylsilane as a reference substance; and “B” represents an integration value of a peak area from 3.5 ppm to 4.0 ppm in the 1H-NMR spectrum.

Abstract: An ink composition of inkjet recording which includes at least one surfactant containing benzophenone polyoxyethylene glycol-based compound, a colorant, and a solvent. A multi-color ink set that includes the ink composition of inkjet recording, a cartridge of inkjet recording, and an inkjet recording apparatus are also provided.

Abstract: An ink set includes at least a magenta ink composition and a cyan ink composition, wherein the magenta ink composition includes: at least one colorant selected from the group consisting of specific heterylazo dyes; and at least one colorant selected from the group consisting of specific anthrapyridone dyes, and the cyan ink composition includes at least one colorant selected from the group consisting of phthalocyanine compounds meeting requirements 1 and 2: Requirement 1: The ratio of the maximum absorbance within the absorption band of from 660 nm to 680 nm to the maximum absorbance within the absorption band of from 600 nm to 640 nm on the spectral absorption curve of aqueous solution is less than 1; and Requirement 2: The oxidation potential is more positive than 1.0 eV (vsSCE).

Abstract: The present invention provides an ink composition for roll printing, which comprises one or more first fluorine surfactants that comprise a hydrophilic component, a lipophilic component, and a fluorine component; and one or more second fluorine surfactants that comprise a fluorine component, and any one of a hydrophilic component and a lipophilic component.

Abstract: There is provided an ink composition that can realize high-quality images free from white streaks or roughness even in low resolution when printing paper for running-on such as art paper is used. The ink composition comprises at least a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent comprises a sparingly water soluble alkanediol, a water soluble alkanediol, and a water soluble alkanetriol.

Abstract: Provided is an ink composition for manufacturing color filters. The ink composition includes an acrylic binder resin obtained by polymerizing the group of monomers containing a compound represented by Formula 1. The ink composition has good chemical resistance and adhesive properties and is used for manufacturing color filters exhibiting a high contrast ratio: (where Ra is —H, or —CH3, and Rb is an alkyl group having 6-30 carbon atoms).

Abstract: The water base ink for ink jet recording of the present invention is a water base ink for ink-jet recording containing a coloring agent, water, a penetrant, and a surfactant; wherein the penetrant includes diethylene glycol n-hexyl ether (A); the surfactant includes at least one surfactant (B) selected from the group consisting of alkyl sulfonate, alkylbenzene sulfonate, alkyl carboxylate, and polyoxyethylene alkyl ether sulfate; a weight ratio (B/A) of (B) with respect to (A) is not less than 0.10; and the (A) is contained in the ink in an amount of 1.0% by weight to 2.5% by weight.

Abstract: An ink composition that achieves high-quality images free of white streaks or rough textures even when low-resolution printing is performed on printing paper such as art paper. The ink composition contains at least a colorant, water, and a surfactant, and further contains a sparingly water-soluble alkanediol, a water-soluble 1,2-alkanediol, a dialkylene glycol, and a water-soluble alkanetriol or a sugar. This ink composition is used in an ink jet recording method.

Abstract: An ink composition that can form a high-quality image free from bleeding or beading even on printing paper or off-set printing paper such as art paper, in particular, even in a case of low-resolution printing, and is excellent in the property of recovering from clogging even after having been left under environment of high temperature and low humidity. The ink composition for ink jet recording includes at least a coloring material, water, a slightly water-soluble alkanediol, and a polyalkylene glycol.

Abstract: A water base ink for ink-jet recording contains a coloring agent, water, a penetrant, and a surfactant, wherein the penetrant includes diethylene glycol n-hexyl ether (A), the surfactant includes an acetylene glycol-based surfactant (B1) and sodium polyoxyethylene alkyl ether sulfate (B2), and (A), (B1), and (B2) are blended at ratios respectively to fulfill a predetermined condition. Accordingly, the water base ink for ink-jet recording is provided, which is excellent in the permeability, the vaporization characteristic, and the water repellence and which does not deteriorate any resin material forming a casing or the like of an ink jet recording apparatus.

Abstract: An object of the present invention is to provide an ink composition with which images with high quality without white streaks or roughness can be provided even when the images are printed at a low resolution on coated printing paper such as art paper. The ink composition for ink jet recording at least includes a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent contains a slightly water-soluble alkanediol, a water-soluble 1,2-alkanediol, and a dialkylene glycol.

Abstract: A water-based ink includes a dye (1) represented by the general formula (1); a dye (2) at least one dye selected from the group consisting of a dye having free acid that is represented by the general formula (2-1), C. I. Acid Red 52 and 289; DPP; and a surfactant represented by the general formula (3). The dyes, DPP, and the surfactant are blended so as to satisfy the conditions (A) to (D). (A) a total amount of the dye (1) and (2) relative to a total amount of the ink is about 2 wt % to 5 wt % (B) weight ratio between the dye (1) and (2) in the ink is about 9:1 to 7:3 (C) an amount of the surfactant relative to a total amount of the ink is about 0.5 wt % to 2.

Abstract: A water-based ink for ink-jet recording includes a dye represented by the general formula (1); water; dipropylene glycol propyl ether (DPP); and a surfactant represented by the general formula (2). The dye, DPP, and the surfactant are blended so as to satisfy the conditions (A) and (B). (A) an amount of surfactant represented by general formula (2) relative to a total amount of the ink is in the range of about 0.5 wt % to about 2.5 wt % (B) an amount of DPP relative to a total amount of the ink is in the range of about 1 wt % to about 3 wt %.

Abstract: A water-based ink includes a dye represented by the general formula (1), water, DPP, and a surfactant represented by the general formula (2). The dye, DPP, and the surfactant are blended so as to satisfy the conditions (A) to (C). (A) an amount of the dye relative to a total amount of the ink (x) is about 0.1 wt % to 1.0 wt % (B) an amount of DPP relative to a total amount of the ink (y) is about 0.5 wt % to 3 wt % (C) in y?25x/9+2/9 ?175x+18y+225z?104?0 and ?100x+18y+225z?66.5?0 in y?25x/9+2/9 ?275x+54y+225z?112?0 and ?200x+54y+225z?74.

Abstract: An inkjet recording ink including a water-soluble organic solvent, a colorant, at least one fluorine-based surfactant having a chemical structure represented by Structural Formula (I) below, and water, where Rf represents any one of CF3, CF2CF3, (CF2)3F, and (CF2)4F, and X plus Y is an integer of 4 or 5.

Abstract: There is provided an ink composition for ink jet recording that is free from feathering or bleeding and, at the same time, can realize high-gloss images particularly advantageous when the ink composition is recorded on specialty papers. The ink composition comprises at least a colorant, water, and a surfactant, wherein the surfactant satisfies a requirement represented by formula (I) ????0??(I) wherein (i) ? represents contact angle of a recording medium with an aqueous solution containing 0.1% by weight of the surfactant 0.3 sec after the contact of the aqueous solution with the recording medium, degree; and (ii) ? represents contact angle of a recording medium with an aqueous solution containing 0.1% by weight of the surfactant, 20% by weight of glycerin, 10% by weight of 1,2-hexanediol and 1.0% by weight of triethanolamine 0.3 sec after the contact of the aqueous solution with the recording medium, degree.

Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified trisiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.

Abstract: An ink composition that can form high-quality images free of white streaks and harshness on actual printing paper, such as art paper, even at low resolution and that can reduce the occurrence of curling even with thin actual printing paper having a low grammage is provided. An ink jet printing ink composition includes at least a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent contains a poorly water-soluble alkane diol, a water-soluble 1,2-alkane diol, and a water-soluble symmetrical alkane diol having a hydroxy group at both ends.

Abstract: There is provided an ink composition that, even on various recording media, especially gloss paper of a printing paper base, can yield an image having excellent gloss, can realize good recovery from clogging and handleability of recorded matter, and, at the same time, can realize excellent ejection stability and color reproduction. The ink composition for ink jet recording comprises at least a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water soluble 1,2-alkanediol and a water soluble alkanediol having a hydroxyl group at both ends of its main chain, and the surfactant is a polyorganosiloxane.

Abstract: Novel conditions in the physical properties of an ink have been found out to provide an aqueous ink, which can give a high image density and achieve excellent fixing ability. The aqueous ink comprises at least water, a water-soluble organic solvent, a surfactant and a coloring material, wherein the dynamic surface tension at a lifetime of 50 milliseconds as determined by a maximum bubble pressure method is 49 mN/m or more, and the dynamic surface tension at a lifetime of 5,000 milliseconds as determined by the maximum bubble pressure method is 38 mN/m or less.

Abstract: A recording liquid to be attached in a droplet state to an object for the purpose of recording on the object is disclosed, which contains a coloring matter, a solvent for dissolving or dispersing the coloring matter therein, and at least one cyclic aliphatic compound represented by the following chemical formula (1): wherein Ra and Rb each represents an alkyl group of from 1 to 3 carbon atoms and are satisfied with the relation of [2?(Ra+Rb)?4].

Abstract: An ink composition is provided which has excellent storage stability, good defoaming properties, and improved resistance to bleeding on the print paper during image forming, while preventing nozzle clogging when used in a wet-type image forming apparatus. The ink composition according to an exemplary embodiment of the present invention includes a colorant, a solvent, and a plurality of additives. The plurality of additives are of the same type and have one or more hydrophilic groups and one or more hydrophobic groups. Each of the one or more hydrophobic groups of the plurality of additives have the same structure, each of the one or more hydrophilic groups of the plurality of additives have the same structure, or each of the one or more hydrophobic groups and each of the one or more hydrophilic groups of the plurality of additives have the same structure.

Abstract: An additive comprising an acetylene glycol or ethylene oxide/propylene oxide adduct of acetylene glycol and a sulfur-containing surfactant is added to a dye and water to form an ink composition which exhibits good wetting, penetrating and dispersing properties due to a reduced dynamic surface tension and complies with the environmental problem.

Abstract: The invention provides an ink which has a higher fixation of a recorded matter, is more excellent in stability and reliability of the ink, and allows a recorded matter of high image quality to be obtained stably, a recorded image, an inkjet recording method, and devices using such an ink. The invention provides an aqueous ink including micromicelles which are dispersed in a transparent single phase in water, characterized in that the micromicelles are comprised of a combination of two or more surfactants which exhibit an opaque or translucent dispersed state in water and a compound having an alkyl group and having only a hydroxyl group as a water-soluble group, and an inkjet recording method, devices and a recorded image, using the aqueous ink.

Abstract: An ink set includes an ozone stable cyan ink, and an ozone stable magenta ink. According to this exemplary embodiment, the ozone stable magenta ink includes an ozone stable magenta dye and a liquid vehicle including a fluorocarbon surfactant formed at least in part from a polymer comprising at least one Formula 1: Where R1=OH and R2=O(CH2)m-(CF2)nCF3 with m=1-3 and n=0-3.

Abstract: The present invention provides materials, methods, and kits for reducing nonspecific binding of molecules to a surface, particularly in a solid phase material, and more specifically a solid phase material that includes a hydrophobic portion, by contacting the solid phase material with a fluorinated nonionic surfactant comprising two or more fluorinated hydrophobic segments and one or more hydrophilic segments.

Abstract: According embodiments of the present disclosure, a water-based ink set for ink-jet recording is provided. The ink set may contain a black ink, a cyan ink, a magenta ink and a yellow ink. Each ink may contain a polyoxyethylene alkyl ether sulfonate.

Abstract: Compositions and methods for ink-jet printing having increased slewing decap time and reduced clogging are disclosed and described. An ink-jet ink composition can include a colorant and a liquid vehicle having a surfactant. The surfactant can have a critical micelle concentration with respect to the ink-jet ink composition. In addition, the surfactant can be present in the ink-jet ink composition at a concentration from about 0.4 to about 0.95 times the critical micelle concentration. Further, the surfactant can also have an aromatic-containing portion. Using the ink-jet inks of the present invention during printing can allow for reduced clogging and increased stewing decap time during ink-jet printing on a variety of substrates with improved reliability, faster printing, and more efficient use of the ink.