Abstract: This invention relates to an ink jet ink comprising water, a charged self-dispersed pigment characterized in having a charge equivalence of at least 0.5 mEq/g, a volatile counterion content of 0.01 to 0.5 percent by weight, and a surface-active paper penetrant.

Abstract: A black ink for ink-jet printing comprising: a) a carbon black pigment exhibiting a DBP oil absorption of not more than 150 cm3/100 g and a pH of more than 6, b) a solvent exhibiting a surface tension of 25-40 mN/m at 25 ° C. a viscosity of 1-50 mPa·s at 25 ° C. and a vapor pressure of not more than 133 Pa at 25 ° C. a solvent content of which being not less than 50 weight % and not more than 90 weight % based on the total ink weight, and c) water, the content of which being not less than 10 weight % and less than 45 weight %.

Abstract: The invention relates to a tattooing ink containing water, coloured pigments, and a binding agent for binding the coloured pigments with the water. Said tattooing ink also contains another constituent in the form of bioactive glass.

Abstract: A printing ink and process for preparing by mixing an aqueous pigment slurry with at least one non-pigment ink component immiscible in water to form a flush cake which is processed to a finished printing ink.

Abstract: Compositions, systems, and methods of printing an ink-jet image are provided. The composition can be an ink-jet ink, comprising a liquid vehicle, a pigmented colorant, and a wax emulsion. The wax emulsion can be present at from about 0.1 wt % to about 20 wt %, preferably 0.1 wt % to 10 wt %, and more preferably from 0.1 wt % to 5 wt % solid content of the ink-jet ink composition. Additionally, upon printing the ink-jet ink on a media substrate compared to printing a comparative ink-jet ink composition on a media substrate, the ink-jet ink composition exhibits improved alkaline highlighter smear fastness compared to the comparative ink-jet ink composition.

Abstract: An ink for use in an inkjet printer and for printing on a polymeric substrate, comprises a swelling agent, selected and provided in sufficient amount to enable said colorant to enter the surface of the substrate, a colorant dispersed or dissolved in the swelling agent, and an inkjet-enabling additive. The swelling agent is selected and provided in sufficient amount to enable the colorant to enter the surface of the substrate.

Abstract: The present invention relates to a composition formed of metal pigments and to a process for their preparation. The composition is composed of metal particles FP and a liquid, the liquid being an ester of a fatty acid R?-COOR in which R? is a saturated or unsaturated aliphatic group having from 9 to 20 carbon atoms and R is an alkyl having from 1 to 8 carbon atoms. It is obtained by a process which consists in introducing starting particles of the metal (SP) into a liquid vehicle and in subjecting the mixture thus obtained to milling, said liquid vehicle being said fatty acid ester. Uses: preparation of paints, of inks, of plastics or of cosmetic compositions.

Abstract: Oil-based ink composition for a ballpoint pen, involving at least a coloring material, a resin and a solvent selected from the group consisting of an alcohol, a polyhydric alcohol and a glycol ether each having a vapor pressure of 0.001 mmHg or more at 25° C. as a main solvent and further involving a phosphoric acid ester neutralized material; in order to provide an ink composition for a ballpoint pen which suppresses blobbing of a written letter at the start of writing and is capable of being excellent in a soft smooth feeling on writing.

Abstract: An ink composition for marking glass and ceramic surfaces, and for burning in said surfaces at an elevated temperature, the composition comprising the following components: 35-55% by weight pigment, 15-30% by weight lead-free frit, 20-45% by weight vehicle material, and the components constitute a total 100% by weight.

Abstract: An ink set, including at least three colors of ink consisting of a yellow ink, in which the hue angle ?H° defined in the CIELAB color space on a recording medium is within the range of about 80° C. to about 110° C.

Abstract: An ink preferably used in piezoelectric ink jet devices includes an ink vehicle that includes at least one curable monomer, at least one polymerizable organic gelator, at least one initiator, at least one colorant and optionally at least one low molecular mass non-reactive organic gelator and/or at least one thermal solvent. The use of the curable gelator enables the ink to form a gel state having a viscosity of at least 102.5 cps at very low temperatures of about 30° C. to about 50° C. The ink may thus be jetted at low temperatures of about 50° C. to about 90° C. The ink is heated to a first temperature above the gel point of the ink, jetted onto a surface maintained at a second temperature at which the ink forms a gel state, and when on the image receiving substrate, is exposed to radiation energy to polymerize the polymerizable components of the ink.

Abstract: An aqueous ink for inkjet recording is provided, which includes water, pigment, a water-soluble organic solvent incorporated at a content of not less than 30% by weight, a surfactant, and 3-methoxy-3-methyl-1-butanol. The surfactant is formed of at least one selected from the group consisting of acetylene glycol-based surfactant and a fluorinated surfactant.

Abstract: An ink jet ink which can form images whose bleeding resistance is high and whose bronzing phenomenon is suppressed, is provided. The ink is an ink jet ink for use together with a pigment ink. The ink jet ink is characterized in that: the ink jet ink contains a coloring material, a polyvalent metal and a water-soluble organic solvent(s); the coloring material is at least a compound represented by the general formula (I); a content (mol/g) of the polyvalent metal is 2.0×10?6 mol/g or more and 4.0×10?4 mol/g or less; a total content (mass %) of the water-soluble organic solvent(s) is 25.0 mass % or more with respect to the total mass of the ink; and in a dispersion distance distribution, measured by a small angle X-ray scattering method, of molecular aggregates in the ink jet ink whose coloring material concentration is adjusted to 0.5 mass %, a dispersion distance d75 value corresponding to 75% of a distribution is 12.60 nm or less.

Abstract: The present invention relates to pigment dispersions comprising a liquid vehicle, a pigment, and a non-polymeric dispersant comprising at least one functional groups. Various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these dispersions, including inkjet ink compositions.

Abstract: An ink composition for inkjet recording comprising water and a compound represented by the following Structure: wherein at least one of Z1, Z2, Z3, and Z4 are not hydrogen; each of R1, R2 and R3 are independently selected from the group consisting of hydrogen and methyl, R4 is —H, —CH3, —C2H5, or —C3H7, or —CH2O(CH2CHR5O)x4Z4, wherein each R5 is independently hydrogen or methyl; b is 0 or 1; x1, x2, x3, and x4 are each equal to at least 1, the sum of x1, x2, x3 is 3 to 45 when R4 is not —CH2O(CH2CHR5O)x4Z4, and the sum x1, x2, x3, and x4 is from 3 to 60 when R4 is —CH2O(CH2CHR5O)x4Z4. Such compounds have been found to provide improved curl control.

Abstract: There is provided a water-base ink composition which has excellent ejection stability and can be evenly printed on recording media. The water-base ink composition comprises at least: a colorant component selected from dyes and pigments; a monovalent or divalent branched alcohol with C5 to C10 chain length; an acetylene glycol surfactant and/or a penetrating organic solvent; a humectant; and water. The monovalent or divalent branched alcohol with C5 to C10 chain length, the acetylene glycol surfactant and/or the penetrating organic solvent, and the humectant are selected from combinations of branched alcohols, acetylene glycol surfactants and/or penetrating organic solvents, and humectants which are miscible with one another.

Abstract: A fixer includes an aqueous vehicle, and at least one film-forming material selected from amine copolymers, polyamines, alkyl phenols, polycarboxylates, carboxylated acrylic copolymers, dendrimers, silicone polymers, acrylic acid copolymers, polystyrene sulfonates, polyvinyl sulfonates, dehydroxanthan gum, celluloses, cyclodextrin polymers, polymers having a terminal hydrophobic hydrocarbon group, polymers having a polyalkylene oxide group linked to a urethanyl group via a polyoxyalkyl amine group, polymers having a polyalkylene oxide group linked to a urethanyl group via a quaternized polyoxyalkyl amine group, polymers having a polyalkylene oxide group linked to a urethanyl group via a quaternized polyamine, and combinations thereof.

Abstract: Liquid thermosetting ink for ink-jet applications includes at least a resin, at least one solid latent curing agent having a maximal particle size of less than 2 microns and an inert filler having fine particles. The single-pack or two-pack ink has a viscosity lower than 50 Cp at the application temperature, a surface tension lower than 80 dyn/cm at the application temperature, and a glass transition temperature of cured ink of greater than 120° C.

Abstract: The present invention includes a curable ink composition for digitally printing onto plastic substrates and three dimensional objects comprising an ink composition comprising a pigment, an oligomeric component, a diluent, additives and a mono-functional monomer having a molecular weight of 10 g/mole to 600 g/mole. The curable ink composition adheres to the plastic substrate to thereby allow elongation of 100% to 900% of the printed ink image during thermal processing of the plastic substrate.

Abstract: Disclosed is a water washable ink for offset lithographic newspaper printing containing: a modified soybean oil-based resin; a pigment; and an acid neutralization agent, wherein the water washable offset lithographic newspaper printing ink does not contain any of the following: a humectant, a surfactant or a modified linseed oil.

Abstract: New blue inks are provided for inkjet printing, on papers which are typically difficult to print with good quality, high-contrast images. The inks are characterized by a color of the ink (color illumination D65) of L*: about 37±5, a*: about 7±7, b*: about ?27±8. The inks contain an aqueous vehicle including water and a humectant comprising a polyhydric alcohol, a water-soluble polymer effective to improve the “hold out” properties of the dye-based ink on paper, surfactant, and a blue dye. The relative amounts of the aqueous vehicle, the water-soluble polymer, the surfactant and the blue dye, are effective to provide an ink having a viscosity and surface tension effective for inkjet printing, having a viscosity of from about 2 to about 4 mPa·s and a surface tension of from 30 to 50 mN/m. Also provided are a process for printing an image and a printed image prepared using the ink.

Abstract: An ink composition comprising: a) 5 to 30 parts ethylene glycol mono butyl ether; b) 0 to 40 parts diethylene glycol mono butyl ether and/or triethylene glycol mono butyl ether; c) 0.1 to 20 parts pigment; and d) 20 to 84.9 parts water; wherein the ink has a viscosity of less than 50 mPa·s at a temperature of 25° C., the sum of the parts of components a)+b) is no less than 15, the sum of the parts of components a) to d) equals 100 and all parts are by weight. The inks are particularly suitable for use as ink jet printing inks and have good print quality, latency and dry time characteristics.

Abstract: The present invention includes a curable ink composition for digitally printing onto plastic substrates and three dimensional objects comprising an ink composition comprising a pigment, an acrylic polymer or copolymer having an acid number below about 20 component, a diluent, additives and a mono-functional monomer. The mono-functional monomer may be an aromatic monoacrylate.

Abstract: Self-dispersed pigment ink formulations, ink-jet ink sets, printer systems, and methods of printing, are disclosed. One exemplary self-dispersed pigment ink formulation, among others, includes a self-dispersed pigment, a surface-active compound, a solvent, and an aqueous solution. The surface-active compound includes hydrophobic moieties and hydrophilic moieties, where the hydrophobic moieties are from about 25 to 75% and the hydrophilic moieties are from about 25 to 75%.

Abstract: An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a class of glycol, a class of polyol, and glycerin is 0-20% by weight, and a surface tension of the ink-jet ink is 18-27 mN/m; wherein Component (A) is 1,3-dimethyl-2-imidazolidinone or ?-butyrolactone, Component (B) is water, and Component (C) is a pigment.

Abstract: Solid pigment preparations comprising as essential constituents (A) 45% to 90% by weight of at least one color-conferring component comprising (A1) 5% to 100% by weight of at least one pigment and (A2) 0% to 95% by weight of at least one filler without self color, (B) 5% to 50% by weight of at least one water-soluble surface-active additive from the group of alkylene oxide group containing additives (B1) and alkylene oxide group free additives (B2), the alkylene oxide group containing additive (B1) comprising at least 5% by weight of the pigment preparation, and (C) 0.1% to 5% by weight of an antioxidant and also production and use of the pigment preparations for coloration of macromolecular organic or inorganic materials and also of plastics materials.

Abstract: An ink set for ink-jet recording includes a pigment-based ink containing a negatively chargeable and self-dispersible pigment as a coloring agent and a dye-based ink containing an anionic dye as a coloring agent, and the ink set satisfies the following expression (1): Dci<1.1×Pci+0.0001??(1) wherein “Dci” represents an amount of counter ion (mol/g) of the anionic dye contained in the dye-based ink, and “Pci” represents an amount of counter ion (mol/g) of the self-dispersible pigment contained in the pigment-based ink. The pigment aggregation can be greatly suppressed, and the high quality printing can be stably performed when the ink set for ink-jet recording composed of the pigment-based ink and the dye-based ink is carried on an ink-jet printer provided with a conventional maintenance system that is simple and at low cost.

Abstract: An ink set includes an oil ink composition containing a metal pigment; and at least one aqueous ink composition selected from the group consisting of a chromatic ink composition containing a chromatic pigment, a black ink composition containing a black pigment, and a white ink composition containing a white pigment.

Abstract: An ink composition which comprises a compound represented by formula (1), which is described in the specification; and a plurality of water-soluble organic solvents, wherein the water-soluble organic solvents contains at least a water-soluble organic solvent having a thioether or sulfoxide moiety in an amount of 10 mass % to 80 mass %, and a recording method which uses the ink composition.

Abstract: An ink composition is provided including an amide compound represented by formula I, a coloring agent and a solvent. The amide compound and the polyhydric alcohol in the ink composition decrease the mobility of coloring agents and increase the adhesion to media, thereby minimizing the bleeding between colors of printed images, and improving the water fastness and dry and wet rub fastness to provide good color fastness on papers. The ink composition also improves the quality of the printed image, and also has good long-term storage stability. Thus, the ink composition can be widely used as ink-jet inks for ink-jet printers, printing inks, paints, textile printing, paper manufacturing, cosmetics manufacturing, ceramic industry, etc.

Abstract: A water base erasable ink composition for use in marking pens which comprises 0.05-20% by weight of a colorant and 1-20% by weight of an oily material which is nonvolatile at normal temperatures (25° C.) and is dispersed in water, wherein the oily material has a viscosity of 5-40 mPa·s at 20° C. and is dispersed in water in the form of emulsion, and wherein the colorant is dispersed in the water with the aid of a polyvinyl alcohol resin as a dispersing agent which has a saponification degree of 70-85 mol % and of which aqueous solution of 4% concentration has a viscosity of 2-30 mPa·s at 20° C. in a weight ratio of the resin to the colorant of 0.5 to 5 and in an amount of 1 to 10% by weight based on the ink composition.

Abstract: Disclosed is a non-aqueous ink composition for ink jet, comprising a pigment, a dispersant, and a non-aqueous solvent. At least 50% by weight of the entire non-aqueous solvent is an ester series solvent having 24 to 36 carbon atoms.

Abstract: A pigmented ink composition comprising a pigment, a resin having an acidic group and an organic solvent having a boiling point of at least 150° C. which is present in an amount of from 50 to 90% by weight based on the whole weight of the ink composition. When this ink composition is subjected to an printed layer-sliding test in which the ink composition is applied on a cationically treated printing medium with a #4 bar coater (available from TOYO SEIKI KOGYO CO., LTD.) and dried and then the printed surface is slid with a cloth on which a weight of 50 g is placed, the printed record is not grazed. This ink composition contains the pigment with a small dispersion particle size and has good water resistance, can be printed on a plain paper sheet without cockling, and suffers from no grazing of printed records when the ink composition is printed on a cationically treated paper sheet.

Abstract: An ink composition for inkjet printer including a cerium salt compound, a colorant and water; an ink cartridge including the same; and an inkjet recording apparatus including the ink cartridge. In the ink composition, the cerium salt can suppress the occurrence of kogation and properly eject ink droplets over a long period of time by forming a film on the surface of an exothermal device in a thermal type inkjet recording head.

Abstract: The present invention pertains to a black inkjet ink comprising aqueous vehicle and carbon black pigment stabilized to dispersion by a certain block copolymer dispersant. The invention further pertains to an ink set comprising this black ink and at least a second ink which contains a reactive species capable of destabilizing the carbon black dispersion. Still further, the invention pertains to a method of printing wherein the black ink and second ink are printed in an overlapping relationship, thereby minimizing penetration, feathering and/or bleed of the black pigment and improving print quality.

Abstract: The present invention is drawn toward a black ink-jet ink, comprising a liquid vehicle and a black colorant solubilized or dispersed in the liquid vehicle. The liquid vehicle can include water, a cosolvent, a solubilized naturally occurring amino acid, and an amphoteric surfactant. Other components can optionally be present as well.

Abstract: The present invention pertains to a blue pigmented inkjet ink and uses thereof in inkjet ink sets and inkjet printing. More particularly, the present invention pertains to an ink that is blue in color and comprises a mixed pigment colorant.

Abstract: An ink set includes at least a magenta ink composition and a light magenta ink composition. The light magenta ink composition is formed with a pigment density lower than a pigment density of the magenta ink composition. A pigment used in the magenta ink composition is C.I. Pigment Violet 19, and a pigment used in the light magenta ink composition is C.I. Pigment Red 122.

Abstract: A dispersant comprising a polyester chain obtainable by polymerising a hydroxy carboxylic acid or lactone thereof such as ?-caprolactone with a cyclic alkylene carbonate such as 5,5-dimethyltrimethylene carbonate. The dispersant may be in the form of a phosphate ester where the polyester chain is reacted with a phosphating agent such as polyphosphoric acid or the polyester chain may be attached to a polyamine or polyimine such as polyethyleneimine.

Abstract: An aqueous ink to be used in an ink jet recording containing a green pigment having a copper phthalocyanine skeleton, wherein a proportion of the K?-line intensity of a chlorine atom to the K?-line intensity of a bromine atom obtained by subjecting the green pigment to X-ray fluorescence analysis is 3.3 or more to 10.0 or less.

Abstract: Polymeric compounds suitable for ink and toner compositions, and image forming methods and apparatus using an ink or toner composition containing such a polymer compound, and particularly to a polymer compound having a repeating unit structure represented by the general formula wherein B is a linear or branched alkylene group having 1 to 15 carbon atoms and may be substituted, m is an integer of 1 to 30, q is an integer of 2 to 30, and R1 is hydrogen, an alkyl group which may be substituted, or an aromatic ring structure which may be substituted, with the proviso that when m is a plural number, the B groups may be different from each other, ink and toner compositions containing the polymer compound, a solvent or dispersion medium and a coloring material, and image forming methods and image forming apparatus using such a composition.

Abstract: A water-based ink for ink-jet recording contains water, a water-soluble organic solvent, a coloring agent and a crown ether. Even when the water-based ink is employed in the ink passage of an ink-jet recording apparatus and comes into contact with rubber members employed in the ink passage, the occurrence of precipitation is prevented.

Abstract: The present invention is drawn to ink compositions and methods for ink-jet recording. The ink-jet ink can comprise water and at least 20 wt % solids. The solids can include pigment particulates and silica particulates dispersed in the ink-jet ink, as well as solid humectant substantially dissolved in the ink-jet ink. The pigment particulates, silica particulates, and solid humectant substantially remain with a dried image that is printed using the ink-jet ink of the present invention.

Abstract: An ink for ink jet recording which is used for an ink jet printer in which at least a portion of a member being in contact with the ink is formed by any one of a borosilicate glass, a soda lime glass, a photosensitive glass, single crystal silicon, polysilicon, a silicon oxide film, a titanium nitride film, a zirconium film, a titanium oxide film, and a silicon nitride film, wherein a corrosion inhibitor is contained, and a phosphonium ion represented by the general formula (Formula 1) described below is contained: (wherein in Formula 1, Ra, Rb, Rc and Rd represent a linear, branched, or cyclic alkyl group having 1 to 4 carbon atoms, a hydroxyalkyl group, a halogenated alkyl group and a substituted or non substituted phenyl group, and X? represents a counter ion) is provided.

Abstract: An active ray curable ink-jet ink comprising at least one type of a photo acid generating compound, a cationic polymerizable compound and a pigment, wherein the active ray curable ink-jet ink contains a fatty acid amine salt comprising a fatty acid having a carbon number of 6-18 and a primary, a secondary or a tertiary amine having a carbon number of 4-12 in an amount of 0.01-0.70 weight % based on the total weight of the ink-jet ink.

Abstract: An ink set, an inkjet recording apparatus including the ink set, and a method of forming an image using the ink set include a black ink composition comprising a first colorant, water, and a first alkyl ether and a color ink composition comprising a second colorant, water, and a second alkyl ether, wherein an amount of the first alkyl ether based on 100 parts by weight of the black ink composition is at most twice an amount of the second alkyl ether based on 100 parts by weight of the color ink composition. When using the ink set, an image of effective quality may be formed which has a reduced bleeding without decreasing an image density.

Abstract: A pigmented phase change ink composition comprising an ink carrier, a dispersing agent, and pigment particles. The ink can be resistant to substantial aggregation and settling of the pigment particles in the melt and even when exposed to freeze thaw cycles.

Abstract: Novel, rapidly drying, low volatile organic compound (VOC), minimal dot gain coatings, (including lithographic ink and varnish systems) are herein described. These systems dry sufficiently rapidly, that their usage eliminates ink drying speed as the rate limiting factor in most lithographic printing applications. In addition to providing enhanced drying rates as compared with their conventional counterparts, the rapid drying, low/no VOC lithographic coating systems of the instant invention can provide the user with significant improvement in dried film rub resistance.

Abstract: The disclosure is generally related to writing instruments capable of making markings containing large diameter glitter pigment particles, and glitter ink compositions for the same. In one embodiment, the disclosure provides a capillary-action marker comprising a glitter ink composition comprising glitter pigment particles having a particle size greater than about 12.1 microns in at least one dimension and at least one solvent, a low density ink reservoir for storing the glitter ink composition, and a porous nib in fluid communication with the low density ink reservoir.

Abstract: A water base pigment ink for ink-jet recording contains a pigment, a propylene glycol derivative which has a saturation vapor pressure of 2 to 10 hPa and an octanol-water distribution coefficient log P of 0 to 1.35, and dipropylene glycol-n-propyl ether. The propylene glycol derivative is contained in the ink by 0.25 to 1.5% by weight, and the dipropylene glycol-n-propyl ether is contained in the ink by 0.5 to 1% by weight. The ink is excellent in the paper surface drying performance. Further, it is possible to avoid the occurrence of the feathering and the blank stripes in letters.