Patent application number | Description | Published |
20140235775 | COMPOUND HAVING BISAZO SKELETON, PIGMENT DISPERSANT CONTAINING THE COMPOUND, PIGMENT COMPOSITION, PIGMENT DISPERSION, INK AND RESIST COMPOSITION FOR COLOR FILTER - An object of the present invention is to provide a pigment dispersant in which dispersibility of an azo pigment in a water-insoluble solvent is improved, and to provide an azo pigment composition in which the azo pigment has high dispersibility in a water-insoluble solvent. The present invention provides a compound used as a pigment dispersant and having a structure in which a specific bisazo skeleton unit bonds to a specific polymer resin unit. | 08-21-2014 |
20140308610 | TONER AND METHOD FOR MANUFACTURING TONER PARTICLES - The present invention provides a toner that contains an azo pigment well-dispersed in a binder resin and has a satisfactory color tone. | 10-16-2014 |
20140326931 | NOVEL COMPOUND HAVING BISAZO DYE SKELETON, PIGMENT COMPOSITION CONTAINING THE SAME, PIGMENT DISPERSION, INK, AND COLOR FILTER RESIST COMPOSITION - The present invention provides a pigment dispersant that can improve the dispersion of an azo pigment in a water-insoluble solvent. | 11-06-2014 |
20140356779 | BLACK TONER CONTAINING COMPOUND HAVING AZO SKELETON - Provided is a black toner which has improved dispersibility of carbon black in a binding resin and has a high coloring power. Also provided is a black toner which suppresses fogging and has high transfer efficiency. The toner includes a toner particle containing a binding resin, a compound in which a polymer moiety is bound to an azo skeleton, and carbon black as a coloring agent. | 12-04-2014 |
20140377697 | CYAN TONER CONTAINING COMPOUND HAVING AZO SKELETON - An object of the present invention is to provide a cyan toner having a high coloring ability, enabling suppression of fogging, and having high transfer efficiency. The object can be attained by a toner including toner particles containing a binder resin, a compound having a polymeric portion bound to an azo skeleton, and a phthalocyanine pigment as a colorant. | 12-25-2014 |
20150024321 | NOVEL COMPOUND HAVING AZO SKELETON AND PIGMENT DISPERSANT, PIGMENT COMPOSITION, PIGMENT DISPERSION, AND TONER CONTAINING THE COMPOUND - To provide an azo compound which improves the dispersibility of an azo pigment in a non-water soluble solvent. | 01-22-2015 |
20150056549 | TONER - The present invention is a toner including toner particles prepared by forming particles of a polymerizable monomer composition including a polymerizable monomer, a pigment, a pigment dispersant and a crystalline polyester resin in an aqueous medium, and polymerizing the polymerizable monomer, wherein the polymerizable monomer is a polymerizable monomer for preparing a vinyl copolymer, the difference in an SP value between the pigment dispersant and the crystalline polyester resin is −1.5 to +0.8, the difference in an SP value between the pigment dispersant an the vinyl copolymer is −1.1 to +1.2, the pigment dispersant has a polymer component and an adsorbable component adsorbed to the pigment, the polymer component is a vinyl polymer, the polymer component of the pigment dispersant has a number average molecular weight of 3,000 to 20,000, and a rate of adsorption of the pigment dispersant to the pigment is 30% or more. | 02-26-2015 |
20150274853 | METHOD FOR PRODUCING COMPOUND HAVING COLORANT STRUCTURE AT MAIN CHAIN TERMINAL OF POLYMER, AND PIGMENT DISPERSANT, PIGMENT COMPOSITION, PIGMENT DISPERSION AND TONER CONTAINING COMPOUND OBTAINED BY THE PRODUCTION METHOD - To provide a method for producing a compound that enhances dispersibility of a pigment of respective colors in a water-insoluble solvent, as well as a pigment dispersant, and a pigment composition, a pigment dispersion and a toner having a good tinting power. A method for producing a compound, including the following: | 10-01-2015 |
20150277254 | METHOD OF PRODUCING A COMPOUND HAVING A COLORANT STRUCTURE, AND TONER CONTAINING A COMPOUND OBTAINED BY THE PRODUCTION METHOD - Provided are a method of producing a compound having a colorant structure suitable for a pigment dispersant, and a pigment dispersant, a pigment composition, a pigment dispersion, and a toner each containing the compound. The production method is a method of producing a compound in which a polymer portion and a colorant portion are bonded to each other through a linking group, the method including the steps of: (a) polymerizing a vinyl-based polymerizable monomer represented by the formula (A) with a radical initiator having a protective group by living radical polymerization to provide a polymer having the protective group at a terminal thereof; (b) hydrolyzing the protective group of the polymer having the protective group at a terminal thereof obtained by the step (a) to deprotect the polymer; and (c) bonding the deprotected polymer obtained by the step (b) and a colorant to each other through a covalent bond. | 10-01-2015 |