Patent application number | Description | Published |
20090053409 | RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, AND INKJET RECORDING METHOD USING THE RECORDING MEDIUM - The present invention provides a recording medium which contains a base paper, a first layer containing a binder, and a second layer containing a white pigment, the first layer and second layer being laid in this order on the base paper, wherein the base paper provided with the first layer on its surface has a Cobb water absorption degree, measured according to a water absorption test prescribed in JIS P8140 with a contact time of 15 seconds, of 5.0 g/m | 02-26-2009 |
20090148602 | INK COMPOSITION, MANUFACTURING METHOD OF INK, INK SET, AND RECORDING METHOD - An ink composition, which comprises at least two kinds of water-soluble dyes, wherein at least one of the at least two kinds of water-soluble dyes is a compound selected from the group consisting of a compound represented by formula (S-1), which is described in the specification, and a salt of the compound represented by formula (S-1) and at least one of the at least two kinds of water-soluble dyes is a compound represented by formula (L-1), which is described in the specification, or a compound having a naphthalene ring substituted with at least one hydroxyl group and three or more azo groups. | 06-11-2009 |
20100041816 | INKJET RECORDING LIQUID - The invention provides an inkjet recording liquid, containing at least: water; a colorant; a water-soluble polymer thickener; and one or more water-soluble organic solvents. The total content of the one or more water-soluble organic solvents is 30 weight % or less with respect to the total amount of the inkjet recording liquid. The one or more water-soluble organic solvents containing at least a water-soluble organic solvent having a solubility parameter value of 27.5 or less at a content of 70 weight % or more with respect to the total content of the one or more water-soluble organic solvents. | 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 |
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 |
20100165020 | INK COMPOSITION AND IMAGE FORMATION METHOD - The invention provides an ink composition containing at least: a water-soluble organic solvent; a pigment; water; and a nonionic polymer thickener. The content of the water-soluble organic solvent is from 5 weight % to 30 weight % relative to the total amount of the ink composition. The ratio of V | 07-01-2010 |
20100168322 | INKJET RECORDING LIQUID - The invention provides an inkjet recording liquid containing at least: water; a colorant; a water-soluble solid compound having the molecular weight of 80 or more but less than 1,600 and having a solubility parameter value of 20 or more; and a water-soluble solvent having a solubility parameter value of less than 27.5, the ratio of the content of the water-soluble solvent to the content of the water-soluble solid compound being in the range of from 1.0 to 10.0. | 07-01-2010 |
20100239759 | INK COMPOSITION FOR INK-JET RECORDING, AND INK-JET RECORDING METHOD - An ink composition for ink-jet recording includes a pigment; resin particles having a glass transition temperature of 80° C. or higher; at least one water-soluble organic solvent; and water, and a total mass of solid content in the ink composition for ink-jet recording is 10% by mass or more relative to the ink composition for ink-jet recording, and the at least one water-soluble organic solvent includes at least one organic solvent having an SP value of 27.5 or lower, the amount of the at least one organic solvent having an SP value of 27.5 or lower being 70% by mass or more relative to a total amount of the at least one water-soluble organic solvent. An ink-jet recording method is also provided. | 09-23-2010 |
20110043578 | IMAGE FORMING METHOD - An image forming method including: at least recording an image by ejecting, by an ink jet method, an ink composition containing, at least one pigment as a coloring material, particles of at least one resin, at least one water-soluble organic solvent, and water, the ink composition having a surface tension of from 30 mN/m to 40 mN/m, to a recording medium having a single-layered or multi-layered pigment layer on or above at least one side of a support containing cellulose pulp as a main ingredient and a transferring amount of pure water to the recording medium, when measured by a dynamic scanning liquid absorptometer, of from 1 ml/m | 02-24-2011 |
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 |
20110069109 | IMAGE FORMING METHOD - The present invention provides an image forming method at least including: applying, by an inkjet method, an ink composition containing at least one pigment as a coloring material, at least one kind of resin particles, at least one fluorine-based surfactant and water, on a recording medium which has a single pigment layer or multiple pigment layers on or above at least one surface of a support containing a cellulose pulp as a main component, and has an amount of transfer of purified water to a medium, when measured with a dynamic scanning absorptometer, of from 1 ml/m | 03-24-2011 |
20110090279 | IMAGE FORMING METHOD - An image forming method is disclosed, which includes applying a treatment liquid onto a recording medium that has a coated layer and has an area of 1,250 cm | 04-21-2011 |
20110166267 | AZO PIGMENT-CONTAINING AQUEOUS INK FOR INKJET RECORDING - An object of the present invention is to provide an aqueous ink for inkjet recording, ensuring that even after storage for a long period of time or exposure to a high temperature, the ejection accuracy is excellent and generation of density unevenness and streak unevenness can be suppressed. | 07-07-2011 |
20110205290 | INKJET IMAGE FORMING METHOD - The present invention provides an inkjet image forming method including:
| 08-25-2011 |
20110242193 | INKJET IMAGE FORMING METHOD - There is disclosed an inkjet image forming method. The method includes recording an image on a recording medium by an inkjet method; supplying a liquid including powder particles having a volume-average particle diameter of 1 μm or more to a surface of a heating roller; and applying the powder particles onto the recording medium via the heating roller. | 10-06-2011 |
20110242200 | IMAGE FORMING METHOD - An image forming method including applying an ink composition onto a recording medium by an inkjet method, and applying an liquid including particles onto the recording medium is disclosed. | 10-06-2011 |
20120076951 | BLACK INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD - A black ink composition includes: carbon black and a water-insoluble resin that covers at least a part of the surface of the carbon black; a cyan pigment and a water-insoluble resin that covers at least a part of the surface of the cyan pigment; a magenta pigment and a water-insoluble resin that covers at least a part of the surface of the magenta pigment; water-insoluble resin particle; and water, wherein a content ratio of the carbon black is from 1.0 to 2.0% by mass with respect to the total mass of the composition, and a total amount of pigments is from 1.8 to 3.5% by mass with respect to the total mass of the composition. The black ink composition can be used in an ink set and an image forming method. | 03-29-2012 |
20120165436 | PIGMENT DISPERSION CONTAINING AZO PIGMENT AND AQUEOUS INK FOR INKJET RECORDING USING THE SAME - A pigment dispersion including vinyl polymer particles containing A and B: A: an azo pigment represented by the following formula (1), a tautomer thereof, a salt thereof, a hydrate thereof, or a solvate thereof; B: a vinyl polymer containing a structural unit (a) having a non-aromatic alicyclic group bonded to the polymer main chain via a linking group, and a structural unit (b) having a hydrophilic group, | 06-28-2012 |
20150062238 | BLACK INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD - A black ink composition includes: carbon black and a water-insoluble resin that covers at least a part of the surface of the carbon black; a cyan pigment and a water-insoluble resin that covers at least a part of the surface of the cyan pigment; a magenta pigment and a water-insoluble resin that covers at least a part of the surface of the magenta pigment; water-insoluble resin particle; and water, wherein a content ratio of the carbon black is from 1.0 to 2.0% by mass with respect to the total mass of the composition, and a total amount of pigments is from 1.8 to 3.5% by mass with respect to the total mass of the composition. The black ink composition can be used in an ink set and an image forming method. | 03-05-2015 |