Patent application number | Description | Published |
20090202723 | INKJET RECORDING LIQUID AND INKJET RECORDING METHOD - An inkjet recording liquid includes: water; a colorant; a first water-soluble organic solvent having a structure represented by the following Formula (1), an SP value of 27.5 or less, and a molecular weight of 100 to 210; and a second water-soluble organic solvent having a structure represented by the following Formula (2), an SP value of 27.5 or less, and a molecular weight of 240 to 2000, wherein the mass ratio of the content of the first water-soluble organic solvent to the content of the second water-soluble organic solvent is from 1:3 to 3:1: | 08-13-2009 |
20090202724 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - An ink composition, including: a water-soluble solvent A; a pigment; and water. The water-soluble solvent A contains at least a water-soluble solvent having an SP value of 27.5 or less at an amount of 90 mass % or more and a compound represented by the following Formula (1), wherein the compound represented by Formula (1) is the same as or different from the water-soluble solvent having an SP value of 27.5 or less: | 08-13-2009 |
20090231366 | IMAGE FORMING METHOD - An image forming method including: ejecting an ink containing a pigment, water, a water-soluble solvent and polymer particles onto a recording medium; and removing adhered ink solid from a nozzle face of a head that ejects the ink, wherein the ink satisfies the following Formula (1): | 09-17-2009 |
20090235842 | INKJET RECORDING LIQUID - An inkjet recording liquid includes: water; at least one colorant; and a water-soluble organic solvent having an SP (solubility parameter) value of 27.5 or less at a content of 70 mass % or more with respect to the total amount of water-soluble organic solvent, wherein the water-soluble organic solvent having an SP value of 27.5 or less includes at least one water-soluble organic solvent having a molecular weight of from 240 to 1400 and represented by the following Formula (1) at a content of 70 mass % or more with respect to the amount of the water-soluble organic solvent having an SP value of 27.5 or less. | 09-24-2009 |
20130182045 | 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 | 07-18-2013 |
20130194348 | 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 | 08-01-2013 |
20130250002 | INK COMPOSITION, INK SET AND IMAGE FORMING METHOD - The present invention provides an ink composition having excellent jetting stability, which contains water, a cross-liked polymer-coated pigment in which at least a portion of a surface of the pigment is covered with a cross-liked polymer, a free polymer that is not bound to the cross-liked polymer-coated pigment, and at least one divalent metal ion in an amount of from 30 ppm to 200 ppm with respect to the total mass of the ink composition, and an ink set and an image forming method using the same, which are excellent in jetting stability. | 09-26-2013 |
20140092172 | IMAGE FORMATION METHOD - An image formation method includes an ink ejection process of ejecting, from an inkjet head having a liquid-repellent film on an ejection surface thereof, an ink composition including: an oxidative-treated carbon black pigment having an average primary particle diameter of 25 nm or less and having an amount of oxygen of 5 atomic % or more on a surface thereof; a water-soluble nonionic compound including at least one selected from the group consisting of an ethyleneoxy chain and a propyleneoxy chain and in which a total number of the ethyleneoxy chain and the propyleneoxy chain is from 3 to 25; and water. | 04-03-2014 |