Abstract: An ink compatibility including a dye and surface functionalized photocatalytically active semiconductor nanoparticles is provided. This ink composition enables the reuse of a print substrate, because the surface functionalized photocatalytically active semiconductor nanoparticles bleach the dye under an activating radiation.

Abstract: A negative type resist composition for a color filter including (A) a pigment dispersant, (B) a pigment, (C) an alkaline-soluble resin, (D) a polyfunctional monomer, (E) a photo initiator and (F) a solvent.

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: Disclosed is a composition comprising a charged particle of volume 5 nm3 to 50 million nm3 preferably having an inorganic core of SiO2, AI2O3, and/or TiO2, or a core essentially consisting of an organic pigment and/or pigment derivative, and a counter ion which is separable from the particle and is not covalently linked to the particle, said counter ion comprising a silicon atom which is directly bound to a carbon atom. Preferably, said charged particle comprises a dye attached to said inorganic core and said counter ion comprises a (poly)siloxane moiety linked via suitable bridge members to a quaternary, positively charged, nitrogen or phosphorus atom, or to a moiety carrying an anionic functional group. Said composition may be used e.g. in the form of a homogenous dispersion in an electrophoretic display.

Abstract: A liquid color concentrate is disclosed, having a liquid acrylic-based polymer carrier; colorant; and optionally other functional additives. The colorant can be one or more pigments, one or more dyes, or combinations thereof. The liquid polymer is compatible with a variety of plastic resins, especially optically clear plastic resins, such as polycarbonate, polymethyl methacrylate, and styrene-acrylonitrile.

Abstract: An inkjet ink composition includes from about 3 wt. % to about 8 wt. % of a solvent selected from diacetone alcohol, 2,3-butanediol, 1,3,5-trioxane, hexylene glycol, and combinations thereof. The composition further includes from about 0.5 wt. % to about 1 wt. % of 1,2-hexanediol; from about 0.1 wt. % to about 2.0 wt. % of a fluorosurfactant; from about 3 wt. % to about 6 wt. % of a pigment; a dispersant; and water.

Abstract: A water-soluble phthalocyanine dye or naphthalocyanine dye with near-infrared absorption comprises at least one complexed unit. Each unit comprises a phthalocyanine or a naphthalocyanine moiety and, optionally, a metal atom complexed thereto and, if present, having a valency of from 1 to 5, with two valencies complexed to the phthalocynanine ring or the naphthalocyanine ring. Each unit has two linker moieties on opposite sides or adjacent sides of the unit, wherein water-soluble groups are present on at least one of the linkers, on the metal atom, and optionally on the phthalocyanine or naphthalocyanine moiety.

Abstract: A water-soluble phthalocyanine dye or naphthalocyanine dye with near-infrared absorption comprises at least one complexed unit. Each unit comprises a phthalocyanine or a naphthalocyanine moiety and a metal atom complexed thereto and having a valency of at least three, with two valencies complexed to the phthalocynanine ring or the naphthalocyanine ring, each unit joined to another through a fused ring, at least one valency attached to water-soluble axial ligands. The dyes to may be employed in inkjet inks in conjunction with colorants.

Abstract: The photosensitive resin composition for a color filter according to one embodiment of the present invention includes (A) a pigment including a repeating unit of the following Formula 1, (B) a binder resin, (C) a photopolymerization initiator, (D) a photopolymerizable monomer, and (E) a solvent: wherein in the above formula, X, m, and n are the same as in the description.

Abstract: The invention provides a dual color ink composition which comprises: (a) at least one pigment selected from a pearlescent pigment and a metal powder pigment; (b) water; (c) at least one water-soluble organic solvent selected from alcohols, glycols and glycol ethers, any of which have a branched hydrophobic group; (d) a water-soluble dye; and (e) a modified starch as a water-soluble fixing agent.

Abstract: Disclosed are an ink composition comprising at least a colorant (a) and a polymer (b) having a heterocyclic moiety forming a colorant, an image forming method including applying the ink composition to a recording medium by printing and curing the ink composition, and a printed article produced by curing the ink composition.

Abstract: Low-VOC mixture of at least partially salified copolymers of at least one ethylenically unsaturated, phenyl-group-containing monomer and at least one ?,?-unsaturated monocarboxylic acid and/or at least one ?,?-unsaturated dicarboxylic acid, of at least one water-soluble polyether, esterification products of at least one water-soluble polyether and an aliphatic dicarboxylic acid, and of a star polymer obtainable by esterifying a carboxylic acid containing at least 3 carboxyl groups with at least one water-soluble polyether, and use thereof as a wetting and dispersing agent, preferably for producing low-VOC pigment pastes or low-VOC paint systems.

Abstract: The present invention provides an ink for inkjet printing. The ink contains an aqueous vehicle, a self-dispersing pigment and an effective amount of a biopolymer as a bleed control agent. The ink exhibits reduced intercolor bleed when printed, for example, on plain paper.

Abstract: An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bulky stabilizer compound, which is an alkylated-benzimidazolone compound, associated non-covalently with the benzimidazolone pigment. The presence of the associated stabilizer limits an extent of particle growth and aggregation, to afford nanoscale pigment particles.

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 water-based ink for inkjet recording exhibits a blue color defined as L*<45, 25<C*<28, 255<h<278, and comprises a mixture of dyes and pigments, specifically including C.I. Pigment Blue 60 and C.I. Acid Blue 90, with water and a water-soluble organic solvent. The blue ink provide an image which has good water resistance and high optical density.

Abstract: Various embodiments related to curable printing fluids are disclosed. One example embodiment provides a curable printing fluid composition for a thermal fluid ejection device, the composition comprising a curable liquid-phase monomer, a substantially nonaqueous volatile driver fluid capable of being vaporized by a thermal fluid ejection printhead, an initiator, a phosphate ester resistor protectant, and a colorant comprising a dye.

Abstract: A printing system has a substrate, and first and second colored inks. The first colored ink has particles of a first pigment, and the particles have a first net zeta potential. The second colored ink has particles of a second pigment and a polarity-reversing amount of a surfactant. The particles of the second pigment have a second net zeta potential opposite in polarity to the first net zeta potential. The first and second colored inks are configured to be printed together over a common surface of said substrate to form a composite color.

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: Polyphenylated phthalocyanine water-soluble dyes with near-infrared absorption comprise four isoindole units linked together in a large ring to form a phthalocyanine macrocycle, with either four anthracenyl groups or four naphthacenyl groups each linked to an isoindole, and a metal atom optionally complexed to the phthalocyanine macrocycle.

Abstract: Mixed phthalocyanine and naphthalocyanine water-soluble dyes with near-infrared absorption comprise four isoindole units linked together in a large ring to form a phthalocyanine macrocycle. At least one benzene ring is linked to an isoindole unit and at least one naphthalene ring is linked to another isoindole unit. The remaining two isoindole units each have a benzene ring or a naphthalene ring linked thereto, in any combination. A metal atom is optionally complexed to the phthalocyanine macrocycle.

Abstract: The water-swellable clay mineral laminated powder of the present invention is characterized in that a layer of ionic molecule having two or more ionic functional group is laminated on the surface of a base powder particle, and a layer of water-swellable clay mineral is laminated thereon, and the layers are sequentially laminated so that the surface charge or the ionic charge of each layer is alternately positive and negative. The water-swellable clay mineral laminated powder of the present invention can impart new functionalities to the base powder easily, as a result of that the water-swellable clay mineral is stably laminated on the surface of the base powder. And the dye/water-swellable clay mineral complex of the present invention is characterized in that polybase and/or nonionic hydrophilic polymer and dye are complexed to water-swellable clay mineral.

Abstract: The invention provides a pigment preparation comprising (a) C.I. Pigment Red 254 with an average particle size d50 of not more than 100 nm; (b) 0.1% to 30% by weight, based on the weight of the PR 254, of one or more dispersants from the group of the unlaked sulfo-containing monoazo dyes; and (c) 0.

Abstract: Compositions and methods of making urethane based nonionic associative thickeners are described herein. Uses of the nonionic associative thickeners are also described.

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: If an ultraviolet curing resin is colored by contamination by another substance, there have been issues regarding increased cost and the environmental burden of treating the waste solution due to an inability to recycle the resin as it is. The ultraviolet curing resin that is in a colored, uncured state is decolored in the present invention by irradiation of light having a wavelength in the vicinity of the maximum absorption wavelength of the coloring material, and then recycled. As a result, it is possible to reduce costs and contribute to the protection of the environment.

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: A surfactant selected from an acrylate-modified polydimethylsiloxane or a polyether-modified polydimethylsiloxane is used, together with at least a colorant and a UV-curable organic diluent, in a non-aqueous UV-curable ink composition suitable for ink jet printing. The use of this type of surfactant prevents the ink composition from causing the loss of more than 5% of the nozzles in an ink jet print head and enables the composition to provide a hole to area ratio of no more than 0.05. The present ink compositions have particular application in the printing of packaging for foodstuffs.

Abstract: Disclosed herein are inks including an aqueous vehicle; at least one encapsulant-dispersed pigment; and at least one block copolymer binder dispersed throughout the aqueous vehicle and having Structure I and comprising a hydrophobic block (A) and a hydrophilic block (B);

Abstract: An object of the present invention is to provide an ink jet ink capable of suppressing bronzing phenomenon in which a reflected light of an image looks red, is excellent in color developability, and gives an image with suppressed bleeding even when formed adjacent to an image formed with a black ink. The ink jet ink comprises water, coloring materials, and a water-soluble organic solvent, in which the coloring materials comprise at least one dye selected from the group consisting of C.I. Direct Blue 199, C.I. Direct Blue 86, and C.I. Acid Blue 9, and a pigment having a copper phthalocyanine skeleton; the water-soluble organic solvent comprises a poor medium for the pigment having the copper phthalocyanine skeleton; and a content of the pigment having the copper phthalocyanine skeleton in the ink is less than 1 mass % with respect to a total mass of the ink jet ink.

Abstract: Provided is a water-based ink composition for a writing instrument comprising at least a colorant and water, characterized by comprising an alkylene oxide-added glycerin ester in which a principal skeleton is glycerin and 60 to 150 moles of alkylene oxide is added thereto and in which the glycerin is ester-bonded with a carboxylic acid-containing substance in an amount of 0.1 to 30% by weight based on the total amount of the ink composition.

Abstract: A curable printing fluid composition for a thermal fluid ejection device is disclosed, wherein the printing fluid composition comprises a curable liquid-phase monomer, a volatile driver fluid capable of being vaporized by a thermal fluid ejection printhead, and a resistor protectant.

Abstract: An actinic radiation curable ink-jet ink comprising: a metal complex pigment; a cationically polymerizable compound; a polymer dispersing agent having a basic functional group exhibiting an amine value of 5-40 mg/g; and a photo acid generating agent, wherein the cationically polymerizable compound comprises an oxirane ring. The aforesaid actinic radiation curable ink-jet ink enable to achieve an ink-jet ink exhibiting excellent storage stability, ejection capability, and curability after ejection, and enables formation of highly detailed images which realize high density, uniform glossiness, and excellent color reproduction, and forms no wrinkling, and provide a image forming method using the same.

Abstract: The ink set for inkjet recording includes: a first liquid which contains at least a water-soluble solvent, water, and pigment particles dispersed and retained in a medium including the water-soluble solvent and the water; and a second liquid which does not contain coloring material but contains at least a water-soluble solvent, water, and a liquid composition which enhances printing characteristics, wherein: an image is formed by making the first liquid and the second liquid come into contact with each other on a recording medium; and a ratio of pigment particles having a particle diameter of not less than 150 nm is not greater than 2 volume percent with respect to a whole of the pigment particles contained in the first liquid.

Abstract: The invention relates to a composition comprising from 92 to 97% by weight pigment and from 3 to 8% by weight binder, in each case based on the composition, wherein the binder is a mixture comprising: from 5 to 60% by weight, based on the binder, of modified cellulose wherein, on average, per glucose unit, from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, from 0.25 to 0.6 hydroxyl hydrogen atoms are replaced by R2, or from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, and from 0 to 0.

Abstract: A highlightable mixture, such as an ink, including a colored pigment, an eradicable colorant, and a non-eradicable colorant; a kit including the highlightable mixture and an eradicator fluid; an colorant complex including a colorless or substantially colorless eradicable dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, and methine dyes, and a colored pigment; and methods of applying an eradicator to at least a portion of a marking made with a highlightable mixture, are described herein.

Abstract: An ink jet ink composition comprised an anti-curl agent and ink jet printing processing using such ink jet ink composition. The ink jet ink composition includes a hyperbranched polymer. The hyperbranched polymer acts as an anti-curl agent to control curl during a printing process. The anti-curl agent, i.e., the hyperbranched polymer, may be present in the ink amounts less than conventional anti-curl agents and still effectively control curl without detrimentally effecting intercolor bleed control water fastness or drying. Additionally, the ink composition do not exhibit increases in viscosity, and problems associated therewith, that occur in ink composition using conventional anti-curl agents.

Abstract: An object of the present invention is to provide an ink jet ink capable of suppressing bleeding and excellent in color developability, a method of producing the ink with an aid of a unit preferable in terms of economy and environmental protection, and an ink jet recording method providing an image which can suppress the occurrence of bleeding and which is excellent in color developability. The ink jet ink comprises water, coloring materials, and a water-soluble organic solvent, in which the coloring materials comprise at least one dye selected from the group consisting of C.I. Direct Yellow 86, C.I. Acid Yellow 23, C.I. Direct Yellow 173, C.I. Direct Yellow 132, and C.I. Direct Yellow 59, and C.I. Pigment Yellow 74; the water-soluble organic solvent comprises a poor medium for C.I. Pigment Yellow 74; and a surface tension of the ink is 34.0 mN/m or more.

Abstract: A dye base sulfate and method of making are described. The dye base sulphate of formula (I) is produced with a residual amine content of less than 2000 ppm, as determined by HPLC, by precipitation of the dye base, made by Friedel-Crafts alkylation, substitution and hydrolysis, as the dye base sulphate is a) taken up in water and subjected to a first steam distillation then filtered and optionally dried at 50 to 180° C., b) the pressed cake is treated with water or the optionally dried dye base sulphate is moistened with water, c) subjected to a further steam distillation and filtration and d) dried at 50 to 180° C.

Abstract: An object of the present invention is to provide an ink jet ink capable of suppressing bronzing phenomenon in which a reflected light of an image looks red, is excellent in color developability, and gives an image with suppressed bleeding even when formed adjacent to an image formed with a black ink. The ink jet ink comprises water, coloring materials, and a water-soluble organic solvent, in which the coloring materials comprise at least one dye selected from the group consisting of C.I. Direct Blue 199, C.I. Direct Blue 86, and C.I. Acid Blue 9, and a pigment having a copper phthalocyanine skeleton; the water-soluble organic solvent comprises a poor medium for the pigment having the copper phthalocyanine skeleton; and a content of the pigment having the copper phthalocyanine skeleton in the ink is less than 1 mass % with respect to a total mass of the ink jet ink.

Abstract: There is provided a water-based ink that can exhibit high gloss on gloss paper and has excellent fixation while maintaining ink reliability such as recovery from clogging, continuous printing stability, and ink storage stability. The water-based ink comprises at least yellow pigment-containing polymer particles A and pigment-free polymer particles B. The polymer particles A are formed of a water insoluble vinyl polymer produced by polymerizing a specific monomer composition A, and the polymer particles B are formed of a water insoluble vinyl polymer produced by polymerizing a specific monomer composition B and has a minimum film forming temperature of 20° C. or above. The polymer particles B have an average particle diameter of 30 to 60 nm.

Abstract: According to an embodiment of the present invention, with an inkjet printer, an image is formed by adhering a colorless pretreatment liquid containing a polyvalent metal salt, 3-methoxy-3-methyl-1-butanol, and water to a plain paper thereby subjecting the plain paper to pretreatment, and thereafter, ejecting at least one type of ink composition containing a pigment and water and reacting with the polyvalent metal salt onto the plain paper.

Abstract: In a fine particle dispersion, fine particles including an oil-soluble dye having an oxidation potential higher than 1.0 V vs SCE and a polymer having at least one of an amide group, a glycidyl group and a hydroxyl group are dispersed in an aqueous medium. Further, an ink composition includes the fine particle dispersion.

Abstract: Disclosed is an ink jet recording method by ejecting microscopic ink droplets, and curing the ink via actinic radiation. The ink contains pigment dispersion including photopolymerizable compounds and pigments, hydrophilicity ?m of the surface of pigments incorporated therein being at most 22 cal1/2·cm?1/2.

Abstract: The present invention pertains to an inkjet ink comprising performance additives and to an ink set comprising this ink, wherein the performance additives alleviate bleed in multicolor printed elements.

Abstract: An ink for ink-jet recording contains a copper phthalocyanine pigment as a colorant, and a benzotriazole compound. The ink further contains a metallic phthalocyanine compound having one or more counter ions, wherein about 2 mol % to about 20 mol % of the counter ions is ammonium ion and/or organic ammonium ion.

Abstract: The present disclosure relates to an ink-jet ink set which, in spite of using a black ink including a black pigment, may form printed matter (e.g., images) with desirable fixability to glossy paper, color balance after fading (fading stability), and/or water resistance and/or ink-jet ink sets with desirable storage stability. An ink set may include a yellow dye ink including a yellow dye, a magenta dye ink including a magenta dye, a cyan dye ink including a cyan dye and a black ink. A black ink may include a black pigment, a yellow dye, a magenta dye and a cyan dye. A black ink may have a weight ratio of the amount of the black pigment to the total amount of the yellow dye, the magenta dye, and the cyan dye of from about 30/70 to less than about 70/30 (e.g., from about 30/70 to about 70 (but not inclusive of 70)/30).

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: Embodiments of a metal oxide intercalated ink-jettable compound are disclosed.

Abstract: The present disclosure relates to an ink-jet ink set which, in spite of using a black ink including a black pigment, may form printed matter (e.g., images) with desirable water resistance and/or color balance after fading (fading stability) and/or ink-jet ink sets with desirable storage stability. An ink set may include a yellow dye ink including a yellow dye, a magenta dye ink including a magenta dye, a cyan dye ink including a cyan dye and a black ink. A black ink may include a black pigment, a yellow dye, a magenta dye and a cyan dye. A black ink may have a weight ratio of an amount of a black pigment to a total amount of the yellow dye, the magenta dye, and the cyan dye of from about 5/95 to less than about 30/70 (e.g., from about 5/95 to about 30 (but not inclusive of 30)/70).