Patent application number | Description | Published |
20090059138 | METHOD OF PRODUCING ORGANIC NANOPARTICLES, ORGANIC NANOPARTICLES THUS OBTAINED, INKJET INK FOR COLOR FILTER, COLORED PHOTOSENSITIVE RESIN COMPOSITION AND PHOTOSENSITIVE RESIN TRANSFER MATERIAL, CONTAINING THE SAME, AND COLOR FILTER, LIQUID CRYSTAL DISPLAY DEVICE AND CCD DEVICE, PREPARED USING THE SAME - A method of producing organic nanoparticles, comprising:
| 03-05-2009 |
20090131577 | PIGMENT COMPOSITION, WATER-BASED PIGMENT DISPERSION, METHOD OF PRODUCING WATER-BASED PIGMENT DISPERSION, WATER-BASED INK FOR INK JET RECORDING, AND POLYMER COMPOUND - The invention provides a pigment composition having a pigment and a dispersant, wherein the dispersant is a copolymer comprising: a repeating unit (a) having a specific structure; and a repeating unit (b) having an ionic group. The invention ether provides a water-based pigment dispersion containing: the pigment composition; and water or a water-based carrier medium containing water and an organic solvent. The invention further provides a method for producing the water-based pigment dispersion. The invention further provides a water-based ink for ink jet recording containing the water-based pigment dispersion. The invention further provides a polymer compound having, as copolymerization components, a monomer having a specific structure, (meth)acrylic acid, and benzyl (meth)acrylate. | 05-21-2009 |
20100076148 | INK COMPOSITION - The invention provides an ink composition containing at least: a pigment; one or more water-soluble organic solvent; a neutralizer; and water. At least a part of a surface of the pigment is coated with a copolymer containing at least a repeating unit represented by the following Formula (1) and a repeating unit having an ionic group. The one or more water-soluble organic solvents contains at least a water-soluble organic solvent having a solubility parameter value of 27.5 or less at a content of 90 weight % or more with respect to the total content of the one or more water-soluble organic solvents. In Formula (1), R | 03-25-2010 |
20100216936 | PIGMENT COMPOSITION, METHOD OF PRODUCING WATER-BASED PIGMENT DISPERSION, WATER-BASED INK FOR INKJET RECORDING - The present invention provides a water-based pigment composition including a pigment; a dispersant; and water, the dispersant including: a repeating unit including an ionic group; at least one of a repeating unit represented by Formula (2) or a repeating unit represented by Formula (3); and a repeating unit represented by Formula (1), a content of the repeating unit represented by Formula (1) being 20% by mass or more but less than 50% by mass with respect to a total amount of repeating units represented by Formulae (1) to (3), which is excellent in stability over time with finely dispersed pigment(s): | 08-26-2010 |
20110046275 | AQUEOUS COLORANT DISPERSION, METHOD OF PRODUCING AQUEOUS COLORANT DISPERSION, AND AQUEOUS INK FOR INKJET RECORDING - An aqueous colorant dispersion includes a colorant (A), a polymer (B) having an acid value of 85 mgKOH/g or higher, and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including at least one hydrophobic structural unit (a) which contains an aromatic ring linked to an atom in the main chain of the polymer (B) via a linking group, and comprising at least one hydrophilic structural unit (b) at a content of from 12% by mass to 20% by mass relative to the entire mass of the polymer (B), wherein the content of the aromatic ring is from 10% by mass to less than 21% by mass relative to the entire mass of the polymer (B). | 02-24-2011 |
20110057987 | INK SET AND IMAGE FORMING METHOD - An ink set including an aqueous ink composition and a treatment liquid is disclosed. The aqueous ink composition includes a pigment, a graft polymer including an anionic group at a side chain thereof, and an aqueous medium. The treatment liquid includes an acidic compound that aggregates one or more components of the aqueous ink composition. | 03-10-2011 |
20110069122 | INK FOR INKJET RECORDING AND IMAGE FORMING METHOD - There is provided is an ink for inkjet recording, comprising:
| 03-24-2011 |
Patent application number | Description | Published |
20090221742 | AQUEOUS COLORANT DISPERSION, PRODUCTION METHOD OF AQUEOUS COLORANT DISPERSION, AND AQUEOUS INK FOR INKJET RECORDING - An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by mass. | 09-03-2009 |
20110249058 | INK SET AND IMAGE FORMING METHOD - There is provided an ink set which suppresses adhesion and deposition of aggregates, has excellent removability of adhered deposits (maintenance properties), and suppresses the occurrence of image defects such as white streaks, so that the formation of high resolution images can be realized. The ink set has an aqueous ink composition which contains a self-dispersing pigment having a carboxyl group at the surface of the pigment, a water-soluble organic solvent, a phosphoric acid ester, and water; and a treatment liquid which contains a cationic polymer and which agglomerates the self-dispersing pigment when brought into contact with the aqueous ink composition. | 10-13-2011 |