Abstract: The present invention relates to a microencapsulated pigment in which pigment particles having cationic groups on their surfaces are coated with a polymer having repeating structural units derived from an anionic polymerizable surfactant having at least an anionic group, a hydrophobic group and a polymerizable group, and a microencapsulated pigment in which pigment particles having anionic groups on their surfaces are coated with a polymer having repeating structural units derived from a cationic polymerizable surfactant having a cationic group, a hydrophobic group and a polymerizable group. Further, the invention relates to a process for producing the microencapsulated pigment, an aqueous dispersion containing the microencapsulated pigment, and an ink jet recording ink containing the aqueous dispersion.

Abstract: A polymer having a specific repeating structural unit having in the side chain at least one selected from a sulfonic acid, a sulfonic acid ester and a sulfonic acid salt and a specific repeating structural unit having in the side chain at least one selected from a carboxylic acid, a carboxylic acid ester and a carboxylic acid salt.

Abstract: An ink set comprises a black ink which contains a black pigment, resin particles having carboxyl group, a first pH-adjusting agent, a water-soluble organic solvent, and water, and a color ink which contains a coloring pigment, resin particles, a second pH-adjusting agent, a water-soluble organic solvent, and water. The pH of the black ink is not less than 7.8, and the pH of the color ink is not more than 4.5. Any bleeding of the black ink is not caused even when an image is formed on a cloth or the like with the ink set. Even when the cloth is washed, then the ink is not lost from the image formation objective, and the initial image density is maintained.

Abstract: Provided is an oil-based ink composition comprising at least a colorant, titanium oxide, a solvent including propylene glycol monomethyl ether and ethanol, a polyvinylbutyral resin and a ketone resin.

Abstract: The use of a styrene-maleic anhydride copolymer in self-dispersed black pigment inks provides a means of achieving black-to-color bleed control against color.

Abstract: An ink for ink-jet recording contains tripropylene glycol normal butyl ether or dipropylene glycol normal propyl ether, an acrylic polymer, a water-insoluble coloring agent, and water. The ink simultaneously satisfies the straight travel stability of ink droplets during the discharge with an ink-jet recording apparatus, the recovery performance upon introduction into a recording head of the ink-jet recording apparatus, the fixation performance of printed matters, and the drying performance after the printing.

Abstract: The present invention relates to a recording liquid comprising at least: a pigment (a); and a polymer (b) having one or more types of bond selected from the group consisting of amide bond, urethane bond and urea bond in the molecule, having a weight-average molecular weight of 5000 to 300000 and having an acid value of free acid of not less than 55 mgKOH/g and less than 150 mgKOH/g, the surface tension of said recording liquid being 25 to 54 dyne/cm.

Abstract: Radiation-curable compositions, and methods of making the same, for providing a wide variety of substrates with a durable, colored coating or colorant are disclosed. The color is at least in part provided by chromophore molecules that are covalently bonded to other components within the radiation-curable composition. A telecommunication element having a durable color identifying polymeric coating thereon is also disclosed. The telecommunication element comprises an elongated communication transmission medium, such as an optical fiber or an optical fiber ribbon, and a radiation-cured polymeric coating having an identifying color applied on at least a portion of the transmission medium.

Abstract: The present invention provides a chemical ink comprises a solvent, a binder polymer, a colorant and optionally a crosslinker. The ink of the invention has one or more of the following characteristics: a viscosity lower than about 50 centipoises; a surface tension of from about 20 mN/m to about 60 mN/m; a particle size of less than about 5 ?m; prolonged stability; an appropriate color level (visible by eye); uniform drop formation; jet stability; good adhesion to contact lenses; good transfer from a mold to a lens made in the mold; and stability of ink in inkjet nozzles. The ink of the invention is useful for inkjet printing of a high-quality color image on a contact lens or a mold so as to produce a colored contact lens.

Abstract: To provide an aqueous ink composition which, without impairing ejection stability, is excellent in light-fastness and water-fastness, does not cause cohesion differential, gloss differential, bronzing phenomenon, color-bleeding, and the like, and has improved fixing ability and coloring property. An aqueous ink composition comprising at least water, a pigment dispersed by polymer, a sulfonyl group-containing (co)polymer, and an ultra-penetrating agent.

Abstract: A fusible conductive ink for use in manufacturing microfluidic analytical systems includes micronised powder containing platinum and carbon, poly(bisphenol A-co-epichlorohydrin)-glycidyl end capped polymer, and a solvent. In addition, the ratio of micronised powder to poly(bisphenol A-co-epichlorohydrin)-glycidyl end capped polymer is in the range of 3:1 to 1:3. The fusible conductive inks can be employed in the manufacturing of microfluidic systems to form electrodes, electrically conductive traces and/or electrically conductive contact pads.

Abstract: A water washable waterless offset printing ink comprised of a binding agent having (i) a solid resin in an ester solvent, and (ii) an alkyd resin and/or an oil of one or more aliphatic carboxylic acid esters; a colorant; and a neutralizing agent.

Abstract: A water-based ink for ink-jet printing, comprising colored particles containing: (a) a core particle having a colorant; and (b) a shell having a resin and encapsulating the core particle, wherein the resin comprises a monomer unit having a hydroxyl group in an amount of 0.1 to 50 weight % based on the total weight of the shell.

Abstract: Re-dispersible pigmented printing ink compositions, preferably for the continuous ink jet printing process are obtained by the addition of a flocculating agent to the pigment dispersion in the printing liquid. The compositions do not form hard sediments and are easy to re-disperse on stopping and resuming the printing operations. Suitable flocculating agents bind the pigment particles in the sediment into three-dimensional “airy” structures, which are easy to break up. The ink compositions of the invention are furthermore characterized by a good printability in the dispersed state.

Abstract: The present invention is drawn toward latex particulates in ink-jet inks having a surface dielectric constant from 2.0 to 3.0.

Abstract: A jettable non-curable support material composition useful for three-dimensional ink jet printing comprising at least one fatty alcohol and at least one abietic rosin ester alcohol, wherein the support material has a melting point between about 50° C. to about 65° C. and a freezing point between about 45° C. to about 55° C.

Abstract: A cationic polymerizable composition comprising a cationic polymerizable mixture, a cationic polymerization initiator and an amino alcohol, wherein the amino alcohol contains two hydroxyl groups and one carbon chain containing a carbon atom having one or no hydrogen atom bonded to the carbon atom, an actinic ray curable ink-jet ink using the same, and a method of stabilizing the cationic polymerizable composition.

Abstract: A water-in-oil emulsion ink comprises a water phase and an oil phase, wherein the water phase comprises a carbon black pigment having a pH of less than 8 dispersed therein by a water-soluble resin, and wherein the water phase also comprises a pH-adjusting agent to achieve a pH value for the water phase of 8 or greater. The ink maintains stable rheology on ageing, and provides a stable and consistent ink detection signal even after periods of non-use.

Abstract: A HAPs-free ink jet ink includes a pigment; a binder comprising vinyl chloride-vinyl acetate copolymer; and a HAPs-free solvent component comprising 1-methoxy-2-propanol acetate, a dispersing solvent selected from cyclohexanone, n-propyl acetate, n-butyl acetate, diisobutyl ketone, isobutyl acetate, amyl acetate, and combinations of these, and a diluent solvent selected from dipropylene glycol methyl ether, dipropylene glycol methyl ether acetate, tripropylene glycol methyl ether, ethylene glycol diacetate, propylene glycol n-butyl ether, propylene glycol n-propyl ether, and combinations of these. The ink has excellent stability and printing properties. Printing with the ink avoids release of HAPs while allowing long print runs with low maintenance.

Abstract: An ink set comprising a black ink and a color ink, wherein the black ink comprises an aqueous dispersion of water-insoluble vinyl polymer particles containing an oil-soluble black dye or carbon black, the vinyl polymer particles have an ionicity opposite to that of the color ink, and the vinyl polymer comprises a water-insoluble vinyl polymer prepared by copolymerizing (a) a salt forming group-containing monomer, (b) a monomer represented by the formula (I): CH2?C(R1)COO(R2O)pR3 ??(I) wherein R1 is hydrogen atom or a lower alkyl group, R2 is a divalent hydrocarbon group which may have a hetero-atom, R3 is a monovalent hydrocarbon group which may have a hetero-atom, and p is a number of 1 to 60, (c) a macromer, and (d) a monomer copolymerizable with these monomers. The ink set can be used as an ink set for inkjet recording, which is excellent in not only fixing abilities and water resistance, but also bleeding resistance and jettability, and can form very clear printouts.

Abstract: A telecommunication element having a durable color identifying polymeric coating thereon is disclosed. The telecommunication element comprises an elongated communication transmission medium, such as an optical fiber or an optical fiber ribbon, and a radiation cured polymeric coating having an identifying color applied on at least a portion of the transmission medium. The identifying color in the polymeric coating is provided by chromophore molecules that are covalently bonded thereto. Coating compositions and a method are also disclosed.

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: A fixer fluid having reduced kogation. The fixer fluid includes at least one phosphate ester surfactant and at least one cationic polymer, wherein the fixer fluid is formulated so that the at least one phosphate ester surfactant does not precipitate with the at least one cationic polymer. The at least one phosphate ester surfactant may be an anionic phosphate ester surfactant or an amphoteric phosphate ester surfactant. If the at least one phosphate ester surfactant is an anionic phosphate ester surfactant, it may have greater than or equal to approximately 2 moles of ethylene oxide per mole of the phosphate ester surfactant. The present invention also relates to an inkjet ink having reduced kogation and a method of producing a fixer fluid having reduced kogation.

Abstract: This invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and emulsion compositions and the processes for preparing them. In particular, the invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and emulsion compositions which the polymer exhibit properties that make them useful as support resins for industrial coatings, ink and overprint formulations and as additives for formulating various coating compositions; and the emulsion which exhibits properties that make them useful as water-borne vehicles for coatings on various substrates.

Abstract: The present invention is drawn to compositions and methods of generating active ester functionalized latex particulates in a liquid suspension, as well as compositions and methods of preparing ink-jet inks. Steps of the methods can include synthesizing polymerizable monomers with active ester groups and polymerizing these monomers with other monomers to form functionalized latex particulates having active ester group. These latex particulates can be used in a wide variety of applications, including in ink-jet ink printing applications.

Abstract: The present invention provides an aqueous ink containing a dispersion in which a colorant is encapsulated with a polymer to make it dispersible in water, wherein the polymer has aromatic rings in an amount of from 20% by weight to 70% by weight based on the weight of the polymer, and further, the ink contains a compound represented by the following formula: wherein R represents a bivalent organic group, PO represents a propyleneoxy group, EO represents an ethyleneoxy group, x, y, a and b are each the number of repeating units, x represents a number of 1 to 200, y represents a number of 1 to 50, a represents a number of 1 to 30, and b represents a number of 0 to 20.

Abstract: The invention relates to a pigment dispersion comprising: a condensate of or a salt between a polyallylamine and a polyester having a free carboxylic acid or the salt; a pigment derivative represented by the following general formula (1); a pigment; and an organic solvent, (P?X)?[N(R1, R2, R3, R4)]+??general formula (1) wherein p represents an organic dyestuff residue; X represents a sulfonic acid group or a carboxylic acid group; R1 represents an alkyl group having 5 to 20 carbon atoms; and R2, R3 and R4 each independently represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms.

Abstract: An aqueous ink jet ink composition including a pigment, a polymer latex containing at least one halogenated vinyl monomer, at least one surfactant, and a humectant. An ink and receiver combination for a non-absorbing substrate is also disclosed.

Abstract: A decolorable ink usable in various printing processes and an image forming method utilizing such decolorable ink. The decolorable ink comprises a block polymer having a stimulus responsiveness, a colorant which decolors in response to a change in a property of the block polymer when a stimulus is applied to the block polymer, and a solvent. Also the image forming method conducts recording by applying ink onto a recording medium, utilizing the decolorable ink as the ink.

Abstract: The invention relates to passivated optically variable pigment, a method of preparing said passivated optically variable pigment, an ink composition comprising said passivated optically variable pigment, the use of said ink composition, and a document carrying a marking made with said ink composition.

Abstract: An ink composition comprising at least one dye represented by one of the following chemical structural formulae and an anthraquinone-based pigment as coloring materials, an alcohol or an ether as a solvent, and a resin. In a preferred embodiment, a triarylmethane-based dye is used in combination or polyvinylbutyral is contained as the resin. wherein A is a tertiary or quaternary ammonium ion group.

Abstract: An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer including, as polymerized units, (a) from 0 to 1 wt. % monoethylenically unsaturated acid monomer, based on polymer weight; and (b) monomer of the formula CH2?C(R1)—CON(R2)(R3) wherein R1?H, CH3 or C2H5 and R2 and R3 are independently selected from C1-C6 saturated alkyl and cycloalkyl groups; and wherein the total of (a) and (b) is at least 0.1 wt % monomer based on the polymer weight. The binder may be a copolymer of ethyl acrylate and acrylamide. An inkjet ink composition including the inkjet ink binder, a colorant, and a liquid medium is also provided.

Abstract: A dispersible composition that comprises a polymer compound, a functional substance such as a colorant, and a solvent or a dispersion medium, where the polymer compound is comprised of a monomer unit represented by the general formula (1) wherein A is a straight-chain or branched alkylene group of 1 to 15 carbon atoms with or without substitution; m is an integer of 0 to 30, and when m is 2 or more, A is the same or different each other; B is a single bond or an alkylene with or without substitution; D is a substituted or unsubstituted aromatic ring structure; n is an integer of 1 to 10, and when n is 2 or more, D is the same or different with each other. The composition is usable as an ink composition or toner composition.

Abstract: The invention provides a method for preparing an ink having constituents of a water-soluble dye having a water-soluble solubilizing group of at least one of a sulfonic group and a carboxyl group, water, a water-soluble substance that is condensation-polymerized in the absence of the water, a water-soluble medium and an additive including at least one of an organic acid salt and an inorganic acid salt. This method includes a first mixing step of mixing at least the dye and the water-soluble substance out of the constituents of the ink excluding the additive; a second mixing step of mixing a mixture obtained in the first mixing step and the additive; and a pH adjusting step, performed before the second mixing step, of preparing a solution including the mixture or a solution including the additive while adjusting the solution to a given pH range by using a pH adjuster.

Abstract: Disclosed herein is a pigment-dispersed ink-jet ink comprising a pigment and a resinous dispersing agent, wherein the resinous dispersing agent is a vinyl copolymer having an acid value of 50 mg KOH/g or higher and a solubility of at most 3% by mass in an alkaline solution containing KOH in an amount 1.5 times as much as the acid value, and the viscosity characteristic of the ink as measured by means of a viscoelastometer satisfies the following relationship: 1.1?(Viscosity of an ink as measured under conditions of 20° C. and a shear rate of 0.5 sec?1)/(Viscosity of an ink as measured under conditions of 20° C. and a shear rate of 100 sec?1)?2.0.

Abstract: Ink jet recording method and apparatus is provided in which a color image is recorded by discharging, onto a recording medium, a black ink and at least one of a cyan ink, a magenta ink and a yellow ink from a black-ink recording head that ejects the black ink onto the recording medium, and a color-ink recording head that ejects the at least one of a cyan ink, a magenta ink and a yellow ink onto the recording medium, wherein the black ink contains carbon black, water, a water-soluble organic solvent, and a water-soluble polymer having an anionic functional group, and has a drying time of 5 seconds or more on the recording medium, and at least one type of the color ink contains a color material, water, a water-soluble organic solvent, and a coagulating agent, and has a drying time of 5 seconds or less on the recording medium.

Abstract: A process for manufacturing a highly water-soluble vinyl alcohol-N-vinyl amine copolymer with a degree of hydrolysis higher than 93%, including a hydrolysis reaction of a vinyl alcohol-N-vinyl formamide copolymer with an alkaline metal hydroxide in methanol wherein the process is carried out with more than 1.5 mol of the alkaline metal hydroxide per mol of N-vinyl formamide units and without addition of water. A higher water soluble vinyl alcohol-N-vinyl amine copolymer obtained by this process and the use thereof.

Abstract: The present invention provides nanoparticle based recording mediums, inks and ink compositions, methods of making nanoparticle based recording mediums and inks, nanoparticles and methods for making nanoparticles, methods for stabilizing colorants against electromagnetic radiation (including radiation in the visible wavelength range), methods for enhancing the substrate independent durability performance of inks, and methods for color density control. The nanoparticle based inks deliver better color, color density control, improved printability, enhanced durability, and increased lightfastness, and are capable of being printed on woven and non-woven fabrics and paper products without special treatment or other limitations.

Abstract: An erasable ink composition comprising water, a water-soluble organic solvent, and the following colorant, colorless resin particles and shear-thinning, viscosity-adjustment agent, characterized in that the colorless resin particles have a mean particle diameter smaller than that of the colorant and are contained in an amount larger than that of the colorant: (a) 3 to wt % (based on the whole ink) of colorless resin particles which are made of at least one resin selected from among acrylic resins, urethane resins, silicone resins and melamine resins and have a mean particle diameter of 0.10 to 10 ?m, (b) 1 to 40 wt % (based on the whole ink) of a colorant having a mean particle diameter of 2 ?m or above, and (c) 0.01 to 4 wt % (based on the whole ink) of a shear thinning, viscosity-adjustment agent.

Abstract: Ink jet printable compositions comprise an aqueous vehicle, particles of a self-crosslinking polymer, and optional colorant. In one embodiment, an ink jet printable ink may comprise an aqueous vehicle, a colorant, and a silyl-terminated sulfopoly(ester-urethane) polymer. In another embodiment, an ink jet printable ink comprises an aqueous vehicle, colorant, and at least 20 weight percent dispersed shear deformable polymer particles wherein the polymer is self-crosslinking. In another aspect, the invention concerns methods of printing a composition, and printed articles produced thereby.

Abstract: The invention relates to a marking liquid which contains a polymer dispersion with particles which are colored with marking agent, optionally further dyes and marking agents, one or more salts of a polyvalent, in particular bi- or trivalent cation, water and optionally moisture retaining agents and further usual additives, wherein the polymer forming the polymer particles is selected from the group of polyesters, polyester amides, polymers and copolymers based on acrylate or methacrylate with a proportion of free carboxylic acid groups of less than 10% by weight, melamine-formaldehyde-sulfonamide resins and mixtures thereof.

Abstract: An ink includes a jettable vehicle, a plurality of pigment solids dispersed in the jettable vehicle, and a styrene-maleimide copolymer dispersed in the jettable vehicle. Additionally, a method of rapidly printing an ink-jet image including ink-jetting an ink-jet ink onto a media substrate at a firing frequency from 12 kHz to 25 kHz, wherein the ink-jet ink includes a jettable vehicle, a plurality of non-acid-functionalized pigment solids dispersed in the jettable vehicle, and a styerene-maleimide copolymer dispersed in the jettable vehicle.

Abstract: A dispersant comprising a polyester chain obtainable by polymerising a hydroxy carboxylic acid or lactone thereof such as E-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: A water-based pigment ink contains a pigment, a hydrophilic dispersant, an aqueous medium, an alkali agent for solubilizing the hydrophilic dispersant in the aqueous medium, and a hydrophilic compound having at least one structural unit of “hydrophobic molecular chain-hydrophilic molecular chain-hydrophobic molecular chain” in a structure thereof. The water-based pigment ink is suited especially as an ink for ink-jet printers.

Abstract: A water-based ink containing an aqueous dispersion of polymer particles of a water-insoluble polymer having an alkyl group of at least 20 carbon atoms in its side chain, and a hydrophobic dye. The water-based ink of the present invention can be suitably used as, for instance, an ink for inkjet recording, and the like.

Abstract: A composition and method of associating stabilizer functionalities with latex particulates is provided. The composition can comprise a latex particulate configured for inclusion in an ink-jet ink to provide improved humidfastness of an image printed by the ink-jet ink, wherein the latex particulate has a molecular weight from 10,000 Mw to 10,000,000 Mw, and has a particle size from 10 nm to 2 ?m; and an image stabilizer configured for improving durability of the image, wherein the image stabilizer is bound to or otherwise associated with the latex particulate. The method can comprise the steps of coupling a polymerizable monomer with a stabilizing agent reactive with the polymerizable monomer, thereby forming a stabilizer precursor-containing monomer; polymerizing the stabilizer-containing monomer to form a latex particulate; and decoupling the stabilizing agent from the latex particulate.

Abstract: An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer comprising as polymerized units from 3 to 20 wt. % monoethylenically unsaturated acid monomer, based on polymer weight, and having a glass transition temperature (Tg) in the range of from ?40° C. to 120° C., and the polymer particles having a volume average particle diameter as measured by dynamic light scattering of at least 35 nanometers greater than the weight average particle diameter as measured by capillary hydrodynamic fractionation is provided. An inkjet ink composition including the inkjet ink binder is also provided.

Abstract: Encapsulated pigment for use in ink-jet ink formulations, improved ink-jet ink formulations using the encapsulated pigment, and methods for producing same. The pigment particles are pretreated with a polymer that is soluble in organic solvents, but substantially insoluble in water. The pigment particles are added to a solution of polymer/organic solvent, mixed to form a paste then collected after driving off the solvent. The encapsulated pigment can be used to prepare an ink-jet ink formulation by grinding it in a water carrier with a conventional polymer dispersant.

Abstract: A water-based ink containing colored microparticles containing a dye and a polymer dispersed in water, wherein a total amount of a monomer remaining in the colored microparticles is less than or equal to 5000 ppm based on the total weight of the water-based ink.

Abstract: The invention provides a process for producing a water dispersion for ink jet recording,which comprises the following steps 1 and 2: (Step 1) a step of obtaining a pigment treated with (a) a water-insoluble vinyl polymer particles by making a pigment and (a) a water-insoluble vinyl polymer particles present in an aqueous solvent and then removing the solvent; and (Step 2) a step of obtaining a water dispersion of a pigment-containing water-insoluble vinyl polymer particles by dispersing a mixture comprising the water-insoluble vinyl polymer particle (a)—treated pigment obtained in step 1, an organic solvent, (b) a water-insoluble vinyl polymer and water and then removing the organic solvent.