Patent application number | Description | Published |
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 |
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 |
20100076150 | INKJET RECORDING LIQUID - The invention provides an inkjet recording liquid containing 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 viscosity of no more than 100 mPa·s at 25° C. and a solubility parameter value of less than 27.5 at a content of at least 70 weight % with respect to the total content of the one or more water-soluble organic solvents. The total content of the water-soluble organic solvent having a viscosity of no more than 100 mPa·s at 25° C. and a solubility parameter value of less than 27.5 is from 5 mass % to less than 30 mass % with respect to the total amount of the inkjet recording liquid. | 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 |
20110057986 | INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD - The invention provides an ink composition including water, a colorant, a water-soluble organic solvent, a surfactant and a water-soluble silicate, the water-soluble silicate being comprised in an amount of from 0.0001% by mass to 0.5% by mass with respect to a total mass of the ink composition, and the water-soluble organic solvent including a water-soluble organic solvent having a value of solubility parameter (SP) of 27.5 or less in an amount of 40% by mass or more with respect to a total mass of the water-soluble organic solvent; an ink composition including a water-soluble alkali metal silicate and a pigment coated with a water-insoluble resin, the water-insoluble resin including a structural unit having an acidic group; and an ink composition including a water-soluble alkali metal silicate, self-dispersing polymer particles, and a pigment. | 03-10-2011 |
20110069110 | INK COMPOSITION, INK SET AND INKJET IMAGE FORMING METHOD - The present invention provides an inkjet ink composition including: self-dispersing polymer particles, each of the self-dispersing polymer particles including a structural unit derived from a hydrophilic monomer and a structural unit derived from a hydrophobic monomer; colloidal silica; and colorant particles, the inkjet ink composition having excellent dischargeability and suppressing the deterioration of the liquid repellency of an inkjet head member. | 03-24-2011 |
20110069111 | INK COMPOSITION, INK SET AND INKJET IMAGE FORMING METHOD - The present invention provides an inkjet ink composition including at least one water-soluble organic solvent, water, at least one colorant, and at least one colloidal silica, wherein 40% or more by mass of a total content of the water-soluble organic solvent has an SP value of 27.5 or less, and the inkjet ink composition having excellent discharge reliability, and suppressing curling of prints formed with the ink and deterioration of liquid repellency of an inkjet head member. | 03-24-2011 |
20110069112 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - The invention provides an inkjet ink composition including a pigment and colloidal silica, the pigment being covered with a water-insoluble resin including a constituent unit having an acidic group, with which rub resistance of images formed and ink discharge reliability are excellent and deterioration of liquid repellency of an inkjet head member is suppressed. | 03-24-2011 |
20110069114 | MAINTENANCE LIQUID, INK SET, AND MAINTENANCE METHOD - The invention provides a maintenance liquid, containing water, a water-soluble organic solvent, and at least one of a water-soluble silicate represented by Formula (1) or colloidal silica: | 03-24-2011 |
20110069116 | IMAGE FORMING METHOD AND INK COMPOSITION - The present invention provides an image forming method and an ink composition used in the method by which deterioration of a head plate which is formed of silicon is suppressed and more precise images are stably formed, where ink containing an inorganic silicate compound is ejected to form an image from an inkjet head having a nozzle plate where SiO | 03-24-2011 |
20110069117 | IMAGE FORMING METHOD AND INK COMPOSITION - The present invention provides an image forming method and an ink composition whereby deterioration of a head plate, which is formed of silicon, is suppressed, and an image with higher precision is formed stably, the ink composition including an inorganic silicate compound and being ejected to form an image from an ink-jet head having a nozzle plate where a C | 03-24-2011 |
20110069118 | IMAGE FORMING METHOD - The present invention provides an image forming method including ejecting an ink containing a silicic acid compound from an inkjet head, whereby deterioration of the head members is suppressed and a high precision image is formable stably over a long-term, the inkjet head being equipped with plural liquid droplet ejecting elements | 03-24-2011 |
20110227992 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - The present invention provides an inkjet ink composition including color material particles, a water soluble polymerizable compound, a water soluble silicate salt and water, which is excellent in ejection stability even in a case in which the ink composition is stopped from ejecting in the inkjet recording device and left alone for a certain period of time, and ejection of the ink composition is resumed thereafter, which has a good maintenance property, and in which abrasion resistance of images formed with the ink composition is excellent; an ink set including the inkjet ink composition; and an image forming method using the ink set. | 09-22-2011 |
20110227995 | INK COMPOSITION, INK SET AND INKJET IMAGE FORMING METHOD - The present invention provides an ink composition for inkjet recording, containing colloidal silica, urea, a coloring material, and water. | 09-22-2011 |
20110227996 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - An inkjet ink composition includes a water-soluble alkali-metal silicate salt, urea, a colorant and water. An ink set includes the inkjet ink composition, and a treatment liquid capable of forming an aggregate when contacting the inkjet ink composition. An inkjet image forming method includes an ink ejection process of ejecting the inkjet ink composition from an inkjet head equipped with a silicone nozzle plate onto a recording medium, to form an image. | 09-22-2011 |
20110234688 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - The present invention provides an inkjet ink composition, which is excellent in dispersion stability, discharge reliability and suppression of lowering of liquid repellency of the inkjet head member, and which includes a pigment, a polymer compound, a water soluble organic solvent, a silicon compound and water, the polymer compound including a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a structural unit represented by Formula (3); the water soluble organic solvent being a diol compound including a repetition structure formed from oxyalkylene groups having 2 or 3 carbon atoms; and the silicon compound being selected from the group consisting of colloidal silica and water-soluble alkali metal salts of silicic acid: | 09-29-2011 |
20120026264 | IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - An image forming method includes applying an ink composition including water, a pigment, a water-soluble organic solvent and polymer particles to a recording medium at an application amount of the ink composition of 6 g/m | 02-02-2012 |