Patent application number | Description | Published |
20090088521 | AQUEOUS COLORANT DISPERSION, METHOD OF PRODUCING THE AQUEOUS COLORANT DISPERSION, AND AQUEOUS INK FOR INKJET RECORDING - The invention provides an aqueous colorant dispersion having: a colorant (A); a polymer (B); and an aqueous liquid medium (I), a method of producing the dispersion, and an aqueous ink for inkjet recording using the dispersion. The polymer (B) is a copolymer containing a hydrophilic structural unit and a hydrophobic structural unit. The hydrophobic structural unit contains a hydrophobic structural unit (a) containing a benzene ring which is not directly bonded to an atom that forms a main chain of the polymer (B). The hydrophilic structural unit contains a hydrophilic structural unit (b) containing an ionic group. The polymer (B) contains a structural unit (c) different from the hydrophobic structural unit (a) and the hydrophilic structural unit (b). A content of the hydrophobic structural unit and a content of the structural unit (c) with respect to a total mass of the polymer (B) are respectively in specific ranges. | 04-02-2009 |
20090091690 | Optical Compensation Film, Polarizing Plate and Liquid Crystal Display Device - The present invention aims to provide an optical compensation film that allows superior phase difference between a first optically anisotropic layer and a second optically anisotropic layer and excellent wavelength dispersibility in terms of front and inclined retardation of liquid crystal layers in liquid crystal cells, a polarizing plate containing the optical compensation film, and a liquid-crystal display device that can display superior images with less color change due to the polarizing plate. | 04-09-2009 |
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 |
20090174844 | Composition, Retardation Plate, Liquid-Crystal Display Device, and Method for Producing Retardation Plate - A composition comprising at least one liquid-crystal compound and a polymer having at least one group of the following formula: | 07-09-2009 |
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 |
20100078592 | LIQUID CRYSTAL COMPOSITION, RETARDATION PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND PROCESS FOR PRODUCING RETARDATION PLATE - A composition comprising at least one liquid crystal compound, and at least one polymer is disclosed. The polymer comprises a constitutional unit represented by a following formula (A) and a constitutional unit derived from a monomer having a fluoroaliphatic group(s): | 04-01-2010 |
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 |
20110076466 | TONER COMPOSITION FOR ELECTROSTATIC PHOTOGRAPHY, DEVELOPER FOR ELECTROSTATIC PHOTOGRAPHY, METHOD OF FORMING ELECTROSTATIC PHOTOGRAPHIC IMAGE, AND ELECTROSTATIC PHOTOGRAPHIC IMAGE - The present invention provides a toner composition for electrostatic photography, including a reactive compound A having a reactive group XA, and a reactive compound B having a reactive group XB that is capable of reacting with the reactive group XA and forming a bond, wherein the reactive compound B is capable of forming a three-dimensionally bonded structure by reacting with the reactive compound A, and wherein the toner composition includes the reactive compound A and the reactive compound B in a mutually isolated state. | 03-31-2011 |
20130022907 | POLYMER DERIVED FROM DEHYDROABIETIC ACID AND USES THEREOF - Disclosed is a polymer which has a repeating unit containing a skeleton derived from dehydroabietic acid in the main chain, and has a glass transition point of 80° C. or lower. | 01-24-2013 |