Abstract: The present invention relates to pigments, comprising a plate-like substrate of glass having an average thickness of <1 ?m, especially of from 20 nm to 400 nm, and (a) a dielectric material, especially a metal oxide, having a high index of refraction; or (a) a metal layer, especially a thin semi-transparent metal layer; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.

Abstract: The present invention relates to a fluorescent inkjet composition. The inkjet composition includes a fluorescent dispersion including a fluorescent colorant; wherein the inkjet composition emits light at a first intensity I1 in the range of 450 nm to 700 nm upon excitation by incident light having a wavelength in the range of 250 to 400 nm. In addition, the inkjet composition is capable of emitting light at a second intensity I2 upon exposure to a temperature of 60 ° C. for 8 weeks, wherein I2=(0.50 to 1.0)*I1.

Abstract: Flaky particles of the present invention have a particle size distribution in which a value of D90/D10 is at least 2.0 but not more than 3.0, a value of D10 is at least 4.7 ?m but not more than 25 ?m, and a maximum particle diameter is 90 ?m or less, where D10 is defined as a particle diameter at which a cumulative volume of particles reaches 10% when counted from the smaller side, and D90 is defined as a particle diameter at which a cumulative volume of particles reaches 90% when counted from the smaller side. A luster pigment of the present invention contains flaky particles and at least one selected from a metallic layer and a metallic oxide layer that are formed on at least a part of the surface of each of the flaky particles. The luster pigment has a particle size distribution in which a value of D90/D10 is at least 2.0 but not more than 3.0, a value of D10 is at least 4.

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 set providing reduced differential lightfade and graininess. The ink set comprises at least one dark inkjet ink and at least one light inkjet ink. The dark inkjet ink comprises at least one pigment having a high chromaticity and a low lightfastness and the light inkjet ink comprises at least one less chromatic pigment having a high lightfastness. The pigment in the dark inkjet ink is dissimilar from the pigment in the light inkjet ink in at least one of a crystal form, particle size, chromophore, and chemical dispersant. A method of reducing differential lightfade and graininess in a printed image is also disclosed.

Abstract: An embodiment of the invention is concerned with an aqueous inkjet ink containing an ink solvent containing water and a water-soluble organic solvent containing glycerin and triethylene glycol and a pigment dispersed in the ink solvent. The water-soluble organic solvent accounts for from 30 to 80% by weight of the ink solvent, a weight of the triethylene glycol is from 0.5 to 1.5 times the weight of the glycerin, and the pigment is blended in an amount of from 2 to 20% by weight of the total weight of the ink.

Abstract: It is an object of the present invention to provide a method of producing an ink composition for offset printing, which can improve the productivity of inks considerably, and the ink composition for offset printing obtained by the production method. The present invention pertains to a method of producing an ink composition for offset printing, including the steps of wetting 300 parts by mass of a neutral carbon black with 30 to 900 parts by mass of a wetting agent containing at least water, performing flushing of the wetted neutral carbon black using an oil-based varnish for a printing ink containing at least one component of four components consisting of gilsonite, an aliphatic hydrocarbon resin having a softening point of 120 to 125° C., extracted from gilsonite, a petroleum resin and a heavy oil, and then removing the wetting agent.

Abstract: The invention provides an aqueous ink that can prevent clogging at an orifice due to drying of the ink though the ink contains a pigment, and can achieve high-level ejection stability required in recent years. The aqueous ink contains at least water, a water-soluble organic solvent and carbon black particles, the carbon black particles including carbon black particles having a particle size of 0.5 ?m or more, wherein a proportion made up by the volume of carbon black particles having a particle size of 0.2 ?m or more and less than 0.5 ?m is 0.3% or less based on the total volume of all the carbon black particles in the ink, a number of carbon black particles having a particle size of 0.5 ?m or more and less than 5.0 ?m is 1.0×107 or less per mL of the aqueous ink, and an average particle size value of the carbon black particles is from 0.060 ?m or more to 0.130 ?m or less.

Abstract: The present invention provides an ink set for inkjet recording which has excellent resistance to light and can prevent image blurring and image deformation due to cracks or the like, wherein the ink set includes: a first liquid including a water soluble organic solvent, water and a pigment dispersed therein, in which an average particle diameter of the pigment is from 5 nm to 50 nm and a monodispersity of the pigment is 1.5 or less; and a second liquid which includes a component that can reduce a pH of the first liquid to less than 7 when contacted with the first liquid and can transform the first liquid from a region in which the dispersion of the pigment particles is stable to a region in which the dispersion of the pigment particles is unstable. The invention also provides a method of image recording using the ink set for inkjet recording.

Abstract: A black ink for ink-jet includes a pigment wherein an average particle diameter Da of the pigment is in the range of about 90 nm to about 130 nm. In addition, (D95?D5)/Da is about 1.4 or less, where D5 is the 5% cumulative particle diameter of the pigment and D95 is the 95% cumulative particle diameter of the pigment. A color ink for ink-jet recording also includes a pigment with the value Da of about 100 nm or less and (D95?D5)/Da of about 1.3 or less.

Abstract: An aqueous inkjet ink suitable for printing photo-images on both photo-glossy receivers and plain papers, said ink comprising at least 50% by weight water, between 0.5% and 8% by weight of 1,2-pentanediol, a humectant distinct from said 1,2-pentanediol, and between 0.2 and 5% by weight of a dispersed pigment colorant, said dispersed pigment colorant exhibiting an average volume weighted 50th percentile particle size of between 0.001 and 0.075 microns.

Abstract: Filler pigments based on platelet-shaped substrates, which are coated with barium sulfate and at least two metal oxides and/or metal hydroxides are highly suitable as filler pigments especially for cosmetic formulations.

Abstract: The present invention relates to pigments, the particles of which generally have a length of from 2 ?m to 5 mm, a width of from 2 ?m to 2 mm, and a thickness of from 20 nm to 2 ?m, and a ratio of length to thickness of at least 2:1, wherein the particles contain a core of SiO2 or a silicon/silicon oxide obtained by heating SiOy flakes with 1.1?y?1.8 in an oxygen-free atmosphere at a temperature of at least 400° C., which core has a narrow distribution of particle sizes and two substantially parallel faces, the distance between which is the shortest axis of the core, and a material layer having a high index of refraction a metal oxide; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.

Abstract: An inkjet ink set comprising a cyan ink, a magenta ink and a yellow ink, wherein each of said cyan, magenta and yellow inks individually comprises at least 65% water, between 1% and 5% by weight of a dispersed pigment colorant, a surfactant that reduces static surface tension, a dynamic surface tension reducing agent distinct from the surfactant, and at least one humectant distinct from the surfactant and the dynamic surface tension reducing agent; wherein said surfactant, said dynamic surface tension reducing agent and said humectant can be the same or different between said cyan, magenta and yellow inks; and wherein each of said cyan, magenta and yellow inks is characterized by exhibiting a viscosity normalized dynamic surface tension at surface refresh ages of 0.01 s of less than 23.0 mN/(m*cP); and wherein the average viscosity normalized dynamic surface tension at a surface refresh age of 0.01 s for said cyan, magenta and yellow inks taken together is less than 22.0 mN/(m*cP).

Abstract: This invention is related to an inkjet ink comprising water, a first self-dispersing pigment, and a second self-dispersing pigment, wherein said first self-dispersing pigment comprises a charged group bonded directly to the surface thereof, and said second self-dispersing pigment comprises a charged group bonded through a linking group to the surface thereof.

Abstract: The invention relates to a pigment preparation, characterized in that it contains C.I. Pigment Red 254 with an average particle size of 20 to 100 nm and at least one pigment dispersant of the formula (II) or (III). In said formulaes, Q2, s, n, R3, R4, E+ and G+ are as defined in the specification. A represents a bivalent group —O—, —NR3—, —NR16— SO3?G+, B represents a bivalent group —NR16—SO3?G+ and Q represents an organic pigment group, selected from the group consisting of C.I. Pigment Red 264 and C.I. Pigment Violet 19.

Abstract: An aqueous dispersion, having particles of a water-insoluble colorant containing at least one pigment, with the particles being dispersed in a medium containing therein both water and a dispersing agent, wherein the water-insoluble colorant has a crystalline structure, and an average particle diameter of the particles is in the range of from 5 nm to 40 nm, and a monodispersity of the particles is 1.5 or less.

Abstract: A method of producing a dispersion of organic fine particles having a volume average particle diameter (Mv) of 10 nm to 100 nm, which has the step of: subjecting an organic fine particle dispersion liquid containing a high molecular compound to heating treatment under flowing through a channel.

Abstract: The invention is directed to an aqueous based resin coating and paint composition comprising as essential ingredients, a colorant, a polyvinyl acetate polymer/acrylic polymer emulsion blend primary binder, a polyvinyl-based film forming resin secondary binder, such as polyvinyl alcohol, and water with sufficient amount of a surface active agent to form a stable suspension. The coating or paint composition is applied onto an elastomeric or polyvinyl chloride surface until the coating can be thermally treated or evaporated to incorporate the coating into the elastomeric or polyvinyl chloride surface as a permanent color. The invention also comprises a method for the preparation of the aqueous-base coating composition in which the essential components are prepared as aqueous dispersions or emulsions which are blended together to form the final coating or paint composition.

Abstract: The present invention provides an ink-media set, record printed by use of the ink-media set, an inkjet printing method, and an inkjet printing apparatus which includes ink that has at least water, dye, and humectant and surface tension thereof is 20 to 35 mN/m at 25, a support, and a recording medium having the support and at least one surface thereof has a coating layer wherein transfer rate of the ink to the recording medium measured by a dynamic scanning absorptometer in 100 ms of contact time is 4 to 15 ml/m2 and transfer rate of the ink to the recording medium measured by a dynamic scanning absorptometer in 400 ms of contact time is 7 to 20 ml/m2.

Abstract: A water-based infrared absorptive ink for ink-jet recording is provided that absorbs electromagnetic waves in the infrared range without adversely affecting the color tone of recorded objects. The water-based infrared absorptive ink for ink-jet recording contains antimony-tin composite oxide fine particles and a coloring agent.

Abstract: A process for manufacturing an ink, or pigment formulation (e.g. a concentrate) for use in inks, comprising filtration of a composition comprising a particulate pigment and a liquid medium through an inorganic filter having pores of a uniform size below 10 microns. The process accurately removes oversized particles that could cause problems in inkjet printers without wasting non-problematic under-sized pigment. High flow rates are achieved even with low trans-filter pressure differences. In one embodiment, high flow rates are maintained by selection of pH and/or ionic strength. The filters are more robust than conventional polymeric filters and withstand cleaning with aggressive cleaning agents.

Abstract: A dispersion having particles of a water-insoluble colorant containing at least two kinds of pigments dispersed with a dispersing agent in a medium containing water, wherein the water-insoluble colorant has a crystalline structure, and a light-scattering intensity is 30,000 cps or less, when a peak value of absorbance in the visible light region is set to 1.

Abstract: Highly efficient matting agents based on precipitated silicas and wax-coated precipitated silicas, their preparation, and their use in inks and paints.

Abstract: Finely divided azo dye and process for producing the same. The invention relates to a finely divided mono-azo pigment of formula (I) in the beta crystal phase (I), characterised in that at least 90 % by weight of the particles have a stoke equivalent diameter equal to or smaller than 130 nm.

Abstract: The present invention provides a blend which exhibits enhanced hiding power and comprises (a) at least one effect pigment and (b) aluminum pigment. The present blend is advantageously used in automotive and industrial paint applications.

Abstract: An inkjet-recording non-aqueous ink composition including a metallic pigment, an organic solvent, and a cellulose acetate butyrate resin having a butyl content of 16.5 to 48%.

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; from 0.5 wt % to 10 wt % of a polymer-dispersed pigment; and from 0.5 wt % to 10 wt % of a self-dispersed pigment selected from the group consisting of a second polymer-dispersed pigment and a small molecule-dispersed pigment.

Abstract: An ink-jet ink used to form a functional film by ejecting an ink droplet using an ink-jet system onto a non-penetrative substrate includes a compound that has an amino group and an alkylene glycol portion within a molecule and serves as a wettability enhancer. Also provided are a method of producing the ink-jet ink, a method of producing a color filter using the ink-jet ink, and a method of forming a color filter or a functional film.

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, a low density ink reservoir for storing the glitter ink composition, and a porous nib in fluid communication with the low density ink reservoir, wherein the glitter ink composition comprises glitter pigment particles having a particle size greater than about 12.1 microns in at least one dimension.

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 object of the present invention is to provide an ink set for ink jet capable of obtaining printed articles superior in warm color representation and weather resistance, an ink jet coloring process and a colored product for outdoor. An ink set for ink jet containing an orange pigment ink (a) and a red pigment ink (b) wherein the orange pigment ink (a) includes iron oxide serving as an orange pigment and a solvent, and the red pigment ink (b) includes iron oxide serving as said red pigment; at least one of a pigment selected from condensed polycyclic compound pigments, said at least one of a pigment serving as said red pigment; and a solvent.

Abstract: A pigment ink composition has high transparency and good color characteristics such as a high OD that are not inferior to those of dyes, even though pigment particles are used, and also has good weatherability and remaining ability on the coating and printing medium surface that are inherent to pigment particles. The pigment ink composition contains pigment particles including at least needle pigment particles, a dispersant, and a solvent. The needle pigment particles have a needle shape with an aspect ratio of at least 3, an average aspect ratio of at least 5 and at most 7, an average short dimension of at least 20 nm and at most 30 nm, and a distribution of short dimension with a standard deviation of 2.0 nm or less. The needle pigment particles are covered with the dispersant.

Abstract: An ink jet ink composition comprising water, a humectant, and composite colorant polymer particles, wherein the composite colorant polymer particles having a colorant phase and a polymer phase, the polymer phase of the particles being formed in situ in the presence of the colorant, the composite colorant polymer particles not increasing in mean particle size more than about 50% when said ink is incubated for one week at 60° C.

Abstract: A pigment contains one or more substantially spherical-shaped beads. Each substantially spherical-shaped bead includes one or more high aspect ratio particles encapsulated within an encapsulating material. Resinous compositions containing this pigment and a plastic, for example a polycarbonate, have a flowline-free colored, sparkling and/or metallescent appearance.

Abstract: The glittering ink composition of the present invention contains a glass flake pigment, a water-soluble resin, a water-soluble organic solvent and water as essential ingredients. The content of the glass flake pigment is 0.01-40% by weight relative to the total amount of the ink composition. Moreover, the ink composition contains a synthetic resin emulsion as a binder component for fixing the glass flake pigment to a handwriting or a coated film in 0.01-40% by weight in solids relative to the total amount of the ink composition. The synthetic resin emulsion has an anionic property or a nonionic property and its minimum film forming temperature is not higher than 20° C.

Abstract: A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.

Abstract: Discloses is a rewritable thin image display sheet, an image display apparatus and an image display system. In the image display system, a low-melting-point wax 18 with a magnetic powder 16 dispersed therein is held between a heat-generation layer 12 and a transparent layer 14 which are disposed spaced apart from one another, and a zone of the low-melting-point wax 18 corresponding to a pixel for image display is selectively heated and molted by the heat-generation layer 12. Then, the magnetic powder 16 in the molten zone is displaced toward the transparent layer 14 so as to display a given image on the transparent layer. The rewritable thin image display sheet, the image display apparatus and the image display system can reliably display an image in a rewritable state while achieving a significantly simplified structure.

Abstract: The present invention relates to photostabilised effect pigments in which one or more calcined and vanadium-containing oxide layers, alone or mixed with sulfates, borates or phosphates, have been applied to a substrate, to a process for the preparation thereof, and to the use thereof in plastics, paints, coatings, printing inks, cosmetics, films, in security printing, for laser marking, in thermal protection or for colouring seed.

Abstract: Pigment compositions for oil-based lithographic printing ink systems are provided which comprise as colourant besides an organic pigment an organic dyestuff soluble in an organic solvent (solvent dye). The printing inks prepared from these pigment compositions show outstanding improvements in colour strength combined with improvements in both gloss and transparency of the prints obtained.

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: In an ink set having a plurality of inks, the ink set has at least a pigment ink and a dye ink. The pigment ink contains at least water, a surfactant, a self-dispersion pigment, and a poor medium for self-dispersion pigment and/or a salt; a dynamic surface tension of the pigment ink at a lifetime of 50 milliseconds is higher than 47 mN/m. The dye ink contains at least water, a surfactant and a dye. An ink set is provided which can obtain images having a high image density and a superior bleeding resistance without regard to the types of recording mediums.

Abstract: A metallic inkjet ink includes a silver metallic colorant, another colorant and at least one ink vehicle. The other colorant is selected from a pigment, a dye, and combinations thereof. Also disclosed herein is a method of forming the metallic inkjet ink including providing an ink vehicle, adding the silver colorant to the ink vehicle, and adding the other colorant to the ink vehicle.

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: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.

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: Taggent flakes for covert security applications have a covert security feature not typically seen by casual observation, but visible under a microscope. The covert feature is a predefined shape of the flakes, optionally complemented by indicia. The shaped taggent flakes can be opaque or light-transmissive, colored or essentially clear. The flakes are used in a composition, such as ink or paint, to provide a covert security feature to an object. In some embodiments the composition includes base pigments and shaped taggent flakes matching the visual characteristics of the base pigment. In another embodiment, clear covert flakes are mixed in the carrier with base pigment. The composition is used to print a field on the object, such as a stock certificate or bank note. The covert flakes are not readily detectable by causal observation under visible light.

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: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.

Abstract: The present invention relates to a mixture of interference pigments, where the mixture comprises at least one interference pigment A comprising a substrate and a coating comprising metallic iron, and an interference pigment B comprising a substrate and a coating comprising metallic tin and in addition at least one metal oxide, to the use thereof in cosmetics, surface coatings, inks, plastics, films, in security printing, in security features in documents and identity papers, for colouring seed, for colouring foods, for laser marking or in medicament coatings and for the preparation of pigment compositions and dry preparations, and to cosmetics, surface coatings, inks, plastics, films, documents and identity papers, seed, foods or medicament coatings, pigment compositions and dry preparations comprising the mixture according to the invention.