Patent application number | Description | Published |
20090269496 | INK COMPOSITION, INKJET RECORDING INK AND INKJET RECORDING METHOD - An ink composition includes a colorant represented by the following formula (I); water; a guanidine-based compound; and a colorless water-soluble planar compound having more than ten delocalized π-electrons within one molecule: | 10-29-2009 |
20100003417 | IMAGE FORMING METHOD - The invention provides an image forming method including at least: applying, onto a recording medium, an ink composition containing at least a water-soluble solvent, a pigment, a polymer particle and water; and removing at least a part of the volatile solvent from the ink composition on the recording medium. Herein, the water-soluble solvent contains at least a volatile water-soluble solvent having an SP value of 27.5 or more at an amount of 30 mass % thereof. | 01-07-2010 |
20100028539 | INK COMPOSITION, INKJET RECORDING INK AND INKJET RECORDING METHOD - An ink composition includes a colorant represented by the following formula (I); water; a guanidine-based compound; and a colorless water-soluble planar compound having more than ten delocalized π-electrons within one molecule: | 02-04-2010 |
20100040782 | INK SET AND IMAGE FORMING METHOD - The invention provides an ink set having at least an ink composition and a maintenance liquid. The ink composition comprises a pigment (i). The maintenance liquid comprises one or more solvents (ii) having a solubility parameter value of 27.5 or less. The content of the one or more solvents (ii) is 50 weight % or more with respect to a total solvent content of the maintenance liquid. The invention further provides a method of forming an image using the ink set including at least applying, with a liquid applying device, the ink composition to a recording medium, and applying a maintenance liquid to the liquid applying device. | 02-18-2010 |
20100068389 | IMAGE FORMING METHOD - The invention provides an image forming method having at least: applying, onto a recording medium, an ink composition containing at least a water-soluble organic solvent, a pigment, a polymer particle and water; and removing at least a part of the water-soluble organic solvent from the ink composition on the recording medium. The water-soluble organic solvent contains at least a water-soluble organic solvent having a vapor pressure of less than 10 Pa at 20° C., a boiling temperature of less than 260° C., and an SP value of less than 25, at a content of 30 mass % or more with respect to the total water-soluble organic solvent content of the ink composition. | 03-18-2010 |
20100075040 | INK COMPOSITION, INKJET RECORDING INK AND INKJET RECORDING METHOD - An ink composition includes a colorant represented by the following formula (I); water; a guanidine-based compound; and a colorless water-soluble planar compound having more than ten delocalized π-electrons within one molecule: | 03-25-2010 |
20100075050 | IMAGE FORMATION METHOD - The invention provides an image formation method including at least ejecting an ink composition onto an image recording medium using an image formation apparatus to form an image on the image recording medium. The ink composition contains at least water, a colorant, and one or more water-soluble organic solvents. 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 70% by mass or more with respect to the total content of the one or more water-soluble organic solvent. The image formation apparatus contains at least an ink circulation unit. The ink circulation unit supplies the ink composition to a plurality of droplet ejecting devices from a common flow path and circulating the ink composition through a common circulation path. | 03-25-2010 |
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 |
20100143592 | IMAGE FORMING METHOD - The invention provides an ink set having at least: a magenta ink containing at least a pigment; and a cyan ink containing at least a pigment. A ratio of M/C, in which M is the concentration of the pigment in the magenta ink, and C is the concentration of the pigment in the cyan ink, is 1.6 or more. A ratio of S2/S1, in which S2 is the solid content of an ink that has the largest solid content among the inks included in the ink set, and S1 is the solid content of an ink that has the smallest solid content among the inks included in the ink set, is 1.2 or less. The invention further provides an image forming method having applying the inks of the ink set onto a recording medium. | 06-10-2010 |
20100203247 | INK SET AND IMAGE RECORDING METHOD - There is provided an ink set including an aqueous ink composition and a maintenance liquid. The aqueous ink composition includes water; a pigment; resin particles having a minimum film-forming temperature MFT | 08-12-2010 |
20110037805 | INK SET AND IMAGE FORMATION METHOD - The present invention provides an ink set including an ink composition and a maintenance liquid that removes from a head nozzle surface a substance that is derived from the ink composition and that adheres to the head nozzle surface, the ink composition including a pigment coated with a water-insoluble polymer formed by copolymerizing a monomer mixture including a styrene macromer; polymer particles; a water-soluble organic solvent; and water. | 02-17-2011 |
20110050788 | IMAGE FORMING METHOD - The present invention provides an image forming method including jetting an ink composition containing a pigment, a volatile water-soluble organic solvent, polymer particles and water, from a heated nozzle plate of an inkjet head onto a recording medium; and applying a maintenance liquid on a nozzle surface of the nozzle plate after jetting. | 03-03-2011 |
20110050795 | INK SET AND IMAGE FORMATION METHOD - The present invention provides an ink set including an ink composition and a maintenance liquid, wherein the ink composition includes a pigment, polymer particles having a glass transition temperature (Tg) of 50° C. or higher, and at least one of urea or a urea derivative. | 03-03-2011 |
20110074866 | MAINTENANCE LIQUID FOR INKJET RECORDING, INK SET AND IMAGE FORMING METHOD - The present invention provides a maintenance liquid for inkjet recording including at least water, an organic solvent, a basic compound and an acidic compound, and having pH of from 6.0 to 8.5. | 03-31-2011 |
20130344306 | DECORATIVE SHEET, METHOD FOR PRODUCING DECORATIVE SHEET, IN-MOLD INJECTION MOLDING METHOD, AND RESIN MOLDED PRODUCT - A decorative sheet includes a resin substrate, and an image layer that includes a fixed-ink image formed of an ink composition containing (a) a pigment, (b) polymer particles, (c) a water-soluble organic solvent, and (d) water, on the resin substrate. When a tensile test is performed on the decorative sheet in an atmosphere at 180° C., a stretching rate thereof that is defined as below is 150% or higher. Stretching rate (%)=[(length at the time of breakage−length before stretching)/(length before stretching)]×100 | 12-26-2013 |