Abstract: Liquid printing inks for flexographic and/or gravure printing comprise solvents, colorants, if required additives, and, as a binder, at least one hyperbranched polymer having functional groups. Printing lacquers for priming unprinted print media or overcoating printed print media comprise solvents, if required additives, and, as a binder, at least one hyperbranched polymer having functional groups. Such hyperbranched polymers are used for the preparation of printing inks and of printing lacquers.

Abstract: Process for producing a low volatility metal flake pigment composition, which comprises milling metal powder in a non-aqueous, non-hydrocarbon, low volatility milling fluid.

Abstract: An ink composition is provided that includes (A) one type of compound (monomer (A)) selected from the group consisting of a difunctional (meth)acrylic acid ester or amide having an alkylene group of 6 to 12 carbons, and a difunctional vinyl ether having an alkylene group of 6 to 12 carbons, (B) a polymerization initiator, and (C) a colorant. There is also provided an inkjet recording method that includes a step (a) of discharging the ink composition onto a recording medium and a step (b) of irradiating the discharged ink composition with actinic radiation so as to cure the ink composition. Furthermore, a process for producing a lithographic printing plate is provided that includes a step (a?) of discharging the ink composition onto a hydrophilic support and a step (b?) of irradiating the discharged ink composition with actinic radiation so as to cure the ink composition, thus forming a hydrophobic image on the hydrophilic support by curing the ink composition.

Abstract: The present disclosure provides a black ink-jet ink, having a pH greater than 7, comprising a first aqueous vehicle, a carbon black pigment, and an amphoteric polymeric dispersant, wherein the amphoteric polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment consisting essentially of an amine monomer; and the B block is a segment comprising an acidic monomer and at least one hydrophobic monomer; wherein the dispersant is neutralized, and with the proviso that the acid number is greater that the amine number, and the B block does not contain an amine monomer. The disclosure further pertains to an ink set comprising this black ink and at least a second ink which contains a reactive species with appropriate cationic agent, salt, or pH capable of destabilizing the carbon black dispersion.

Abstract: The invention relates to a method for manufacturing an inkjet ink including a polyamic acid (A), including a step of at least reacting one or more compounds selected from the group of a monoamine (a3) and a compound having one acid anhydride group (a4) with a compound having two or more acid anhydride groups (a1) and a diamine (a2).

Abstract: An ink used in an ink jet recording method in which ink droplets are ejected from a recording head by the action of thermal energy to record an image on a recording medium; the ink being characterized by containing (a) a pigment, (b) a dispersing agent, (c) a liquid medium, (d) a polyglycerol and (e) at least one selected from a potassium salt of a carboxylic acid, a rubidium salt of a carboxylic acid and a cesium salt of a carboxylic acid.

Abstract: Disclosed is an active energy ray-curable conductive ink containing a conductive substance and a binder component, which is characterized in that the binder component contains a chlorinated polyester and an active energy ray-polymerizable compound. This active energy ray-curable conductive ink has good fluidity and enables to obtain a conductive circuit with low resistance after curing. Also disclosed are a method for forming a conductive circuit by printing this conductive ink on a substrate, and non-contact media comprising an IC chip mounted in a state electrically connected with the conductive circuit. The conductive substance is preferably a flake powder having a BET specific surface area of 0.1-0.4 m2/g and an aspect ratio of not less than 3.

Abstract: Disclosed is a material set for recording, including: an ink including a recording material, an organic solvent, and water; and ink receiving particles including an organic resin including hydrophilic monomer components and one or more hydrophobic monomer components, the hydrophilic monomer components including a monomer component having a hydroxyl group and a monomer component having a dissociable group, an absolute value of a difference between a solubility parameter (SP value) of the organic solvent included in the ink and a solubility parameter (SP value) of monomer components included in the organic resin, other than the monomer component having a dissociable group, being less than 5.

Abstract: The present invention provides a pigment dispersion containing at least a pigment at a concentration of from 2 to 50 mass % in the pigment dispersion, and a polymer having from 2 to 50 mass % of repeating units represented by the following formula (1) and from 2 to 40 mass % of repeating units represented by the following formula (2), and having a weight average molecular weight of 10,000 to 500,000. In formula (1), R1 represents a hydrogen atom or a methyl group, I represents —CO—, —COO—, etc., R2 represents an alkyl group having 1 to 4 carbon atoms. In formula (2), R4 represents a hydrogen atom or a methyl group, J represents —CO—, —COO—, etc., R5 represents a hydrogen atom, an alkyl group, an aryl group, etc., W represents a single bond or a bivalent linking group, and P represents a heterocyclic residue having a hetero ring contained in an organic pigment.

Abstract: An ink-media set, comprising an ink composition and a recording medium, wherein the ink composition comprises a polymer fine particle containing a dye and an inorganic pigment particle, a water-soluble solvent, and water, and has a surface tension of 20 mN/m to 35 mN/m at 25° C., and the recording medium comprises a support and a coating layer on at least one side of the support, and the amount of pure water transferred to the recording medium is no less than 2 ml/m2 and less than 35 ml/m2 at a contact period of 100 ms and the amount of pure water transferred to the recording medium is no less than 3 ml/m2 and less than 40 ml/m2 at a contact period of 400 ms by measurement of a dynamic scanning absorptometer.

Abstract: Compositions for inkjet inks, methods for applying the ink to a surface of a substrate, and articles that include indicia printed with the ink. The inkjet inks include a cellulose polymer and a liquid carrier. Unlike currently available commercial inks, the inkjet inks of this invention can be formulated with less toxic ingredients, thus reducing the risks of negative impact on environmental quality and the health and safety of workers who use the inks.

Abstract: A printing ink composition that not only exerts an excellent anti-blocking effect but also is free from any hickey phenomenon, resolving the problems of form plate stain, blanket stain, etc. There are provided a printing ink composition wherein there are dispersed composite particles having a volume-average particle diameter of 2 to 8 ?m in which the volume content of solid polymer particles having a particle diameter of larger than 10 ?m is not larger than 5 vol. % or less. Each of the composite particles (A) comprises a solid polymer particle (B), such as wax, insoluble in the printing ink, and inorganic microparticles (C) mainly adhered to the periphery of the solid polymer particle (B) and having an average particle diameter of 5 to 1000 nm.

Abstract: Disclosed are aqueous dispersions of polymer-enclosed particles, such as nanoparticles. Also disclosed are methods for making an aqueous dispersion of polymer-enclosed particles, polymerizable polymers useful in such a method, powder coating compositions formed from such an aqueous dispersion, substrates at least partially coated with such a composition, and reflective surfaces comprising a non-hiding coating layer deposited from such a composition.

Abstract: A compound of the formula wherein R1, R2, R3, R4, R5, R6, R?, R?, Y, CA+, and A? each, independently of the others are as defined herein.

Abstract: The specification describes a process for making gelled ink resins which exhibit improved properties such as lower viscosity under low shear and less viscosity decrease with increasing shear. In a preferred embodiment, a rosin-based or hydrocarbon-based resin is mixed with an organic solvent and reacted with a polyamine reactant, such as melamine-formaldehyde resin or hexamethylene diamine, under conditions sufficient to produce a substantially covalently cross-link gelled resin. The resulting gelled resin resists viscosity breakdown under high shear conditions and may be used directly for making ink compositions, obviating the need for further gelation and avoiding the use of conventional organo-metallic gelling agents.

Abstract: The invention relates to a curable liquid resin composition comprising: (A) a urethane(meth)acrylate having a structure originating from a polyol and a number average molecular weight of 800 g/mol or more, but less than 6,000 g/mol, and (B) a urethane(meth)acrylate having a structure originating from a polyol and a number average molecular weight of 6,000 g/mol or more, but less than 20,000 g/mol, wherein the total amount of the component (A) and component (B) is 20-95 wt % of the curable liquid resin composition and the content of the component (B) is 0.1-30 wt % of the total of the component (A) and component (B).

Abstract: A method of forming a modified pigment comprising a pigment having attached at least one polymeric group is described. In one embodiment, a polymer, a pigment, a linking agent, and an optional activating agent are combined, and the linking agent is reacted with the polymer and the pigment to form the modified pigment. In another embodiment, a polymer melt is formed comprising a polymer and an optional plasticizer, and the polymer melt, a pigment, and an optional activating agent are combined, in any order, under high-intensity mixing conditions. Also disclosed are modified pigments having specific properties and inkjet ink compositions comprising them.

Abstract: Disclosed is a birefringent marking material comprising a vehicle for the marking material and birefringent nanoparticles having an average particle size of less than about 700 nm. The birefringent marking material, such as an ink or a toner, can be used to provide a security marking on or in an item, thereby enabling authentication of the item containing the image formed using the birefringent marking material.

Abstract: The present invention relates to an ink jet ink which is an oil-based white ink for ink jet recording containing (a) titanium oxide having an average particle size of 0.15 to 0.25 ?m, (b) a resin, (c) an organic solvent and (d) a nonionic surfactant, wherein the nonionic surfactant comprises at least one member selected from polyoxyethylene alkyl ethers and polyoxyethylene phenyl ethers. According to the invention, there can be provided an oil-based white ink for ink jet recording which is excellent in ejection stability and in recovery properties after standing for a long period of time.

Abstract: Present invention relates to an inkjet ink used for a polyvinyl chloride resin sheet, wherein the inkjet ink comprises an organic solvent, a pigment and a vinyl chloride-vinyl acetate resin, the organic solvent is a mixed solvent comprising at least one compound selected from the group consisting of compounds represented by a formula (1) and compounds represented by a formula (2), together with a lactone compound, and the quantity of the lactone compound is within a range from 1 to 40% by weight relative to the total weight of the ink. [Formula 1] CH3CO(OR1)mOR2??(1) (wherein, R1 represents an ethylene group or propylene group, R2 represents an alkyl group of 1 to 4 carbon atoms, and m represents an integer from 1 to 3) [Formula 2] CH3CH(OH)COOR3??(2) (wherein, R3 represents an alkyl group of 1 to 8 carbon atoms).

Abstract: An ink composition includes (A) a polymerization initiator; (B) an ester or amide of a mono-functional (meth)acrylic acid having an alkylene oxide repeating unit in a molecule; and (C) a colorant, and preferably further includes (E) a sensitizing dye.

Abstract: This invention relates to an ink jet ink composition comprising an aqueous medium and at least two different polymers, a first polymer and a second polymer, having a weight average acid number of 70 to 200. In one embodiment the ink is substantially colorless.

Abstract: Radiation curable and jettable ink compositions comprise ethylenically unsaturated oligomer and an ethylenically unsaturated monofunctional monomer. The compositions may optionally include additional ethylenically unsaturated polyfunctional component and/or chain transfer agent. The compositions have a viscosity at 25° C. of not greater than about 70 cPs and are radiation curable to form a cured ink having an elongation of at least 150%.

Abstract: Methods of making a modified pigment by reacting a first chemical group and a second chemical group to form a pigment having attached a third chemical group. The first chemical group includes at least one nucleophile and the second chemical group includes at least one electrophile, or vice versa. Resulting modified pigments, and ink compositions containing such pigments, are also described.

Abstract: An ink-jet recording ink including water, a water-soluble organic solvent, a pigment (P1) as a colorant (B), and at least one fluorochemical surfactant selected from compounds represented by Structural Formula (1) below, where R1 denotes any one of a hydrogen atom, an alkyl group and a fluorine-containing group, Rf denotes a fluorine-containing group, and each of x, y and z denotes an integer of 1 or greater.

Abstract: A saccharide-alkyleneoxy derivative comprising a compound represented by the following formula (1): A-(EP)n-OH??(1) wherein A represents a skeleton of a saccharide selected from the group consisting of C3 to C12 aldoses, ketoses and sugar alcohols; EP represents an ethyleneoxy group and/or a propyleneoxy group; and n represents an average number of the repeating units. Also disclosed are a method for producing the saccharide alkyleneoxy derivative, and an ink containing the saccharide-alkyleneoxy derivative.

Abstract: The invention provides an oil-based ink composition for ink jet recording, which is best suited for printing onto polyvinyl chloride substrates, and improved in terms of both the stabilities of ink on storage and jetting, and a method for inspecting the same. The oil-based ink composition for ink jet recording comprises as a main solvent at least a specific polyalkylene glycol dialkyl ether and containing at least a specific quinacridone pigment component. That composition should be such that when a measuring sample comprising it is analyzed by means of high speed liquid chromatography under specific measuring conditions, the concentration of a component having a peak at the holding time of 10.3 minutes is 0.4 ppm or less.

Abstract: An active energy ray-curable ink composition, which contains a compound having, in its molecule, an oxetane ring and at least one selected from a dioxolane ring, a dioxane ring, and a dioxepane ring; an ink composition, which contains a cationically-polymerizable compound having, in its molecule, both an oxetane ring and a bicycloorthoester ring; an inkjet ink, which contains the active energy ray-curable ink composition or the ink composition; and an image-forming method and a recorded material, using the inkjet ink; an oxetane compound of a specific structure.

Abstract: An actinic radiation curable ink comprising: a photopolymerizable compound; and a urethane polymer, wherein a content of isocyanate groups remaining in the urethane polymer is 0.1% or less based on the total number of the isocyanate groups required to prepare urethane polymer in the actinic radiation curable ink.

Abstract: The present invention provides ink receptive particles, for receiving an ink containing a recording material, the ink receptive particles comprising trap structures for trapping at least a liquid component of the ink, and a liquid absorbing resin. Using the ink receptive particles, the invention also provides a marking materials system, an ink receiving method, a recording method, a recording apparatus, and an ink receptive particle storage cartridge.

Abstract: An ink receptive particle comprising an organic resin that is formed by a hydrophilic monomer component and a hydrophobic monomer component, wherein hydrophilic groups in the organic resin include a hydrophilic group having a salt structure and a hydrophilic group not having a salt structure.

Abstract: A fully curable jettable composition having a viscosity less than 30 cps at a temperature within the range of 15° C.-180° C. comprising (i) at least one low viscosity reactive resin; (ii) at least one higher viscosity resin having a viscosity greater than twice that of the low viscosity resin and a functionality of greater than or equal to 2; (iii) at least one curable toughener, (iv) at least one initiator for the polymerization of the resins, and (v) at least one stabilizer for delaying the curing of the resins of the composition. The composition can be jetted from piezo electric printing heads under the control of a computer program to form a multi-layered article, for example, a three dimensional article, in which the adjacent droplets merge and are cured homogeneously together.

Abstract: An inkjet ink composition includes a polyurethane material having a weight-average molecular weight ranging from about 50,000 to about 500,000. The polyurethane material is present in an effective amount ranging from about 0.2 wt. % to about 5 wt. %. The composition also includes a solvent present in an effective amount ranging from about 5 wt. % to about 20 wt. %, and an anionic surfactant present in an effective amount ranging from about 0.01 wt. % to about 3 wt. %. The inkjet ink composition is adapted to exhibit enhanced decap.

Abstract: A polymeric colorant comprises a polymer-encapsulated pigment, wherein the polymer has a molecular weight in the range of 2,000 to 2,000,000 g/mole (2 to 2,000 kDa) and is a polymerization product of at least one dye-monomer conjugate. In some instances, a comonomer is added. The polymeric colorant is made by a method that comprises polymerizing at least one dye-monomer conjugate in a mixture containing pigment particles, to produce a polymerization product wherein the pigment particles are encapsulated by the polymerization product.

Abstract: An aqueous dispersion of polymer particles of a water-insoluble vinyl polymer containing a hydrophobic dye, wherein the water-insoluble vinyl polymer is prepared by polymerizing a monomer composition comprising an alicyclic (meth)acrylate, a salt-forming group-containing monomer, and a monomer copolymerizable with the alicyclic (meth)acrylate and the salt-forming group-containing monomer; and an ink comprising the aqueous dispersion. The aqueous dispersion is excellent in, for instance, storage stability, and the ink is excellent in, for instance, printing reliability, solvent resistance, water resistance and character quality.

Abstract: Provided is an aqueous ink with high storage stability and scratch resistance at such a high level that the coloring material of an image is not scraped off even when lightly touched with a sharp product. The aqueous ink includes a water-insoluble coloring material and plural polymers. The plural polymers include a polymer A which relatively contributes to dispersion of the water-insoluble coloring material and a polymer B which does not relatively contribute to the dispersion of the water-insoluble coloring material compared to the polymer A. The polymer A includes a block copolymer having an acid value of 120 mgKOH/g to 180 mgKOH/g and having an ethylene oxide group as a nonionic group. The polymer B has an acid value of 150 mgKOH/g or less and a hydrogen bond parameter (?h) of the polymer obtained by solubility parameters of monomers constituting the polymer of 1.0 cal0.5/cm1.5 or more and 3.2 cal0.5/cm1.5 or less.

Abstract: An ink set for ink jet recording, an ink for ink jet recording and an ink jet recording method capable of suppressing bleeding and the interference between discharged droplets to form high-quality images can be achieved by an ink set for ink jet recording, having plurality of liquids containing at least a first liquid and a second liquid, wherein the first liquid has an oil-soluble polymer dissolved therein, and at least one of a plurality of the liquids contains a polymerizable compound, as well as by an ink jet image recording method which uses the ink set and applying the first and second liquids simultaneously onto a recording medium, or first applying one of the liquids and then the other onto a recording medium such that the two liquids contact each other to form an image.

Abstract: A pigment ink for ink jet recording containing a pigment, water, a graft copolymer and a water-soluble organic solvent, in which a hydrophobic segment constituting the graft copolymer is obtained by copolymerizing a monomer represented by the following formula (1), having an aromatic ring or the like and a monomer having an anionic functional group, and a hydrophilic segment constituting the graft copolymer is obtained by polymerizing a monomer having an anionic functional group: wherein Ar represents an aromatic ring selected from a benzene ring, a condensed benzene ring and a heteroaromatic ring, or a derivative thereof.

Abstract: A photosensitive inkjet ink is provided, which includes a photo-acid generating agent, pigment, and an organic dispersion medium containing at least two kinds of polymerizable compounds selected from the group consisting of an oxetane compound and a vinyl ether compound, at least one kind of the polymerizable compounds being a monofunctional compound at a concentration of 20 to 70% based on a total weight of the organic dispersion medium, and the vinyl ether compound at a concentration of 30% or more based on a total weight of the organic dispersion medium. The vinyl ether compound is selected from the following chemical formula.

Abstract: An aqueous pigment dispersion for ink jet having a pigment dispersed, characterized by containing a water-soluble resin and a resin having a urethane bond and/or an amide bond.

Abstract: An ink set includes an oil-based ink composition containing a metallic pigment; and at least one oil-based ink composition selected from the group consisting of a chromatic color ink composition containing a chromatic color oil dye, a black ink composition containing a black oil dye, and a colorless and transparent ink composition that does not contain a colorant.

Abstract: A pigment dispersion includes a color pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking group. The at least one pending chromophore group has a molecular weight which is smaller than 85% of the molecular weight of the color pigment; the at least one pending chromophore group occurs as a side group on the polymeric backbone and not as a group in the polymeric backbone itself or occurring solely as an end group of the polymeric backbone; the linking group consists of all the atoms between the polymeric backbone and the first atom of the aromatic group by which the pending chromophore group is linked to the polymeric backbone; and the at least one pending chromophore group has a similarity coefficient SIM of at least 0.75.

Abstract: An ink set, comprising: an oil based ink composition containing a metallic pigment; and at least one or more oil based ink compositions selected from a group consisting of a chromatic color ink composition containing chromatic color pigment, a black ink composition containing black pigment, and a white ink composition containing white pigment.

Abstract: A printing method includes jetting a curable ink including at least one of an oxetane compound, a siloxane compound, or a sulfide compound onto a substrate.

Abstract: Disclosed herein are pigment dispersions and inks formulated using the same; including at least one dispersed pigment, an aqueous carrier; and at least one block copolymer dispersant having Structure I and comprising a hydrophobic block (A) and a hydrophilic block (B); at least one block copolymer having Structure I and comprising a hydrophobic block (A) and a hydrophilic block (B);

Abstract: The present invention is drawn to photo-curable ink-jet ink compositions, systems, and methods. One exemplary ink-jet ink composition includes a liquid vehicle, a milled pigment which has been milled in a milling solvent having minimal to no gas solvency for the milled pigment, and a photo initiator. In this embodiment, the composition can be ink-jettable at frequencies of at least 29 KHz without requiring degassing during printing.

Abstract: The present invention provides: a pigment composition that includes at least (A) a polyallylamine derivative including at least 1% to 50% by mol of a structural unit represented by Formula (1-a), 49% to 95% by mol of a structural unit represented by Formula (1-b) and 1% to 30% by mol of a structural unit represented by Formula (1-c), and (B) a pigment, and improves pigment dispersibility and dispersion stability; an ink composition, a printed article and an inkjet recording method, which use the pigment composition; and a polyallylamine derivative useful for these. In Formula (1-b), R1 represents —NHCOR3 or —NH3+OCOR3, in which R3 represents a residue obtained by removing a carboxy group from any one of polyester, polyamide or polyesteramide, which each have a free carboxylic acid. In Formula (1-c), R2 represents —NHCOR4 or —NH3+OCOR4, in which R4 represents an organic group having an aromatic ring or a heteroaromatic ring.

Abstract: A water-based heat fixing ink having at least the following 4 compounds, a: pigment; b: water-soluble resin comprising a copolymer, in which a monomer having a carboxyl group and monomer having a hydrophobic group are polymerized, and the resin is dissolved by neutralization with an amine; c: an organic solvent satisfying following Equation (1) which is represented by a hydrogen bonding term and a polar term of a solubility parameter; and d: water; wherein b is contained in an amount of 2.5-7.0 weight % as a free polymer in a water-based heat fixing ink, 8?(?p2+?h2)1/2?12??Equation (1).

Abstract: Two-part fixatives are provided in conjunction with overcoating at least one ink-jet ink printed on a print medium and comprise (1) at least one first reactive component comprising a reactive monomer or oligomer, the reactive species selected from the group consisting of iso-cyanates and epoxy-terminated oligomers, optionally in a vehicle, and (2) at least one second component selected from the group consisting of polyols and polyvinyl alcohols, plus one or more base catalysts, optionally in a vehicle. The two components and catalyst(s) are deposited on the print medium on which the ink-jet ink has been printed, and react to form a hydrophobic polymer overcoating the printed ink and having a glass transition temperature within a range of ?20° C. to +50° C. and a melting temperature within a range of 30° C. to 100° C.

Abstract: An inkjet printing system, comprising an inkjet printer and an ink composition comprising: (a) water; (b) dispersed pigment particles; (c) a humectant; and (d) a fluorinated polyurethane additive which is different from any pigment polymeric dispersant in the ink, the additive having a weight average molecular weight of at least 10,000 daltons.