Patent application number | Description | Published |
20080248260 | Recording Ink, Ink Cartridge, Ink Record, Inkjet Recording Apparatus, and Inkjet Recording Method - The object of the invention to provide a recording ink with excellent discharge stability and storage stability, which rapidly penetrates into a recording medium and forms a coating, and which will never generate smearing upon high-speed printing or double-sided printing, and which excels in marker resistance, and which enables high quality image recording with less bleeding, and the ink cartridge, the ink record, the inkjet recording apparatus, and the inkjet recording method using the recording ink. The recording ink containing at least water, a colorant, a resin fine-particle, a water-soluble organic solvent and a penetrant, in which the penetrant is a diol compound whose carbon number is 7 to 11 and the resin fine-particle is a silicone modified acrylic resin not containing a hydrolyzable silyl group. | 10-09-2008 |
20080254228 | Recording Ink, Inkjet Recording Method and Inkjet Recording Apparatus - There is provided a recording ink containing at least: water; a water-soluble organic solvent; a surfactant; and a carbon black having a hydrophilic group on a surface thereof, wherein the carbon black releases humic acid in an aqueous dispersion of the carbon black, which is recovered from the recording ink, a concentration of the humic acid released in the aqueous dispersion containing 20% by mass of the carbon black of is expressed with a maximum absorbance at a wavelength of 230 nm to 260 nm, and the recording ink has the maximum absorbance of 5.0 to 20.0 at the wavelength of 230 nm to 260 nm. | 10-16-2008 |
20090239044 | INK FOR RECORDING, AND INK CARTRIDGE, INK RECORDED MATTER, INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD USING THE SAME - There is provided an ink for recording, which contains: a coloring agent; a water-dispersible resin; a wetting agent; a surfactant; and water, wherein a total solid content of the coloring agent and the water-dispersible resin is 10% by mass to 30% with respect to a total mass of the ink, a ratio B/C is 0.1 to 1.6 where B is a solid content of the coloring agent in the ink, and C is a solid content of the water-dispersible resin in the ink, a viscosity of the ink is 5 mPa·s to 20 mPa·s at 25° C., and a surface tension of the ink is 35 mN/m or less. | 09-24-2009 |
20090258196 | INKJET RECORDING INK AND RECORDING MEDIA SET, INKJET RECORDING METHOD, RECORDED MATTER AND RECORDING APPARATUS - There is provided an inkjet recording ink and recording media set, which contains: an inkjet recording ink; and a recording medium, wherein the inkjet recording ink comprises at least: water; a water-soluble organic solvent; and a colorant containing carbon black, and having a volume average particle diameter of 40 nm to 100 nm, wherein the recording medium contains: a substrate; and a coating layer on at least one side of the substrate, and wherein an amount of pure water transferred to the recording medium, as measured with a dynamic scanning absorptometer at 23 C and 50% RH, at a contact time of 100 ms is 2 ml/m | 10-15-2009 |
20090263632 | RECORDING INK, RECORDING INK SET, RECORDS, INK CARTRIDGE, RECORDING METHOD, AND INKJET RECORDING APPARATUS - The present invention provides a recording ink set containing a black ink, a cyan ink, a magenta ink, and a yellow ink, each of which contains water, a water-insoluble color material, a water-soluble organic solvent, and a surfactant, wherein the black ink and at least one of the inks other than the black ink respectively contain a different water-soluble organic solvent; and the surface tension of the water-soluble organic solvent(s) used only for the inks other than the black ink is higher than that of the water-soluble organic solvent used only for the black ink; and the present invention also provides a recording method using the recording ink set. | 10-22-2009 |
20100271435 | RECORDING INK, INK CARTRIDGE, INK RECORD, INKJET RECORDING APPARATUS, AND INKJET RECORDING METHOD - The object of the invention to provide a recording ink with excellent discharge stability and storage stability, which rapidly penetrates into a recording medium and forms a coating, and which will never generate smearing upon high-speed printing or double-sided printing, and which excels in marker resistance, and which enables high quality image recording with less bleeding, and the ink cartridge, the ink record, the inkjet recording apparatus, and the inkjet recording method using the recording ink. The recording ink containing at least water, a colorant, a resin fine-particle, a water-soluble organic solvent and a penetrant, in which the penetrant is a diol compound whose carbon number is 7 to 11 and the resin fine-particle is a silicone modified acrylic resin not containing a hydrolyzable silyl group | 10-28-2010 |
20110169889 | INKJET RECORDING INKSET AND INKJET RECORDING METHOD - The present invention provides an inkjet recording inkset including a black ink; and at least one color ink, wherein the black ink and the color ink respectively contains a coloring material, water, a water-soluble organic solvent and a surfactant, and wherein the black ink contains, as the coloring material, a water-dispersible carbon black having a hydrophilic group on its surface, which can be dispersed without using a dispersing agent, and only the color ink contains, as the surfactant, a fluorine surfactant expressed by Chemical Formula 1: Chemical Formula 1 where Rf represents a fluorine-containing alkyl group; R1 represents an anionic group; R2 represents a cationic group; and q represents a positive integer. | 07-14-2011 |
20110205288 | INKJET RECORDING INK, INKJET RECORDING INKSET, INK CARTRIDGE, INKJET RECORDING METHOD, AND RECORDED MATTER - An inkjet recording ink containing a colorant, a surfactant A, a surfactant B, a water soluble organic solvent, and water, wherein the surfactant A is expressed by any one of Structural Formula (1) and Structural Formula (2), and the surfactant B is expressed by Structural Formula (3): in Structural Formula (1), R1 represents hydrogen, an alkyl group, or an acyl group; Rf represents —CF | 08-25-2011 |
20110316947 | INKJET RECORDING INK, INK CARTRIDGE, INKJET RECORDING APPARATUS, AND INK RECORDED MATTER - An inkjet recording ink including at least a pigment, fine resin particles, a water soluble organic solvent, and water, wherein a polymer chain is grafted onto a surface of the pigment, and the polymer chain is composed of at least one monomer unit, which is selected from the monomers represented by the following Chemical Formulas (1) to (4): Chemical Formula (1) where R1 represents H or CH3, and “n” represents the number of carbon atoms; Chemical Formula (2) where R2 and R3 each represent H or CH3, and “m” represents the number of units repeated; Chemical Formula (3) where R4 and R5 each represent H or CH3, and “p” is the number of units repeated; and Chemical Formula (4) where R6 and R7 each represent H or CH3, and “k” and “l” each represent the number of units repeated. | 12-29-2011 |
20120121831 | INKJET RECORDING INK, INK CARTRIDGE AND INKJET RECORDING APPARATUS - An inkjet recording ink containing: water; a water-soluble organic solvent; a colorant; and at least one fluorochemical surfactant having a formula selected from the group consisting of (b), (a), (a′), and (h): | 05-17-2012 |
20120133702 | INK JET RECORDING METHOD AND LIQUID DISPERSANT - An ink jet recording method including attaching a liquid dispersant in which an amphoteric polymer containing a core portion having a cation group and a shell portion having an anion group that covers the core portion is dispersed in a dispersing medium to a recording medium and discharging and attaching cationic ink containing a coloring material and water to the surface of the recording medium to which the liquid dispersant is attached. | 05-31-2012 |
20120133703 | INK JET RECORDING METHOD AND LIQUID DISPERSANT - An ink jet recording method including attaching a liquid dispersant in which an amphoteric polymer containing a core portion having an anion group and a shell portion having a cation group that covers the core portion is dispersed in a dispersing medium to a recording medium and discharging and attaching anionic ink containing a coloring material and water to the surface of the recording medium to which the liquid dispersant is attached. | 05-31-2012 |
20130307912 | INKJET RECORDING METHOD, INKJET RECORDING DEVICE, AND INK RECORDED MATTER - An inkjet recording method, containing: applying a stimulus to an inkjet recording ink to jet the ink, to form an image on a recording medium, wherein the ink contains water, a water-soluble organic solvent, a colorant, and a surfactant, and has a predetermined surface life time as measured by a maximum bubble pressure method and a predetermined static surface tension, wherein the recording medium contains a support, and a recording layer provided at least one surface of the support, where the recording layer contains a cationic resin in a predetermined amount, and is a medium for a concealing postcard where the recording medium is folded to bond a surface of the recording layer to face each other with an adhesive after information is recorded on the surface of the recording layer, in which the surface of the recording layer has a predetermined 10-sec Cobb size degree. | 11-21-2013 |
20140192121 | INKJET RECORDING METHOD AND INKJET RECORDING DEVICE - An inkjet recording method includes forming an image on a coated layer provided at least one side of the substrate of a recording medium with ink containing a colorant; and then applying a post-processing fluid comprising a resin to the image; wherein the application amount per unit area of the post-processing fluid to the image is controlled to be less than the application amount per unit area of the ink to form the image. | 07-10-2014 |
20140253618 | INKJET RECORDING METHOD, INKJET RECORDING DEVICE, AND RECORDED MATERIAL - An inkjet recording method is performed using an inkjet recording device including a recording head provided with a nozzle, a pressure chamber, a pressure generator and a driving signal generator, the method satisfying the following requirements (1) and (2): (1) it is required to use aqueous ink having a dynamic surface tension larger by 10 mN/m or more than a static surface tension when the surface life measured at 25° C. by a maximum foaming pressure method is 15 ms and a dynamic surface tension larger by 5 mN/m or more than a static surface tension when the surface life measured by a maximum foaming pressure method is 1500 ms and (2) it is required that the signals have a drawing pulse in one print period and a meniscus of the aqueous ink is drawn into the nozzle in two stages by the drawing pulse. | 09-11-2014 |
20150054882 | INK FOR INKJET RECORDING, INKJET RECORDING METHOD USING THE INK, AND INK CARTRIDGE THAT ACCOMODATES THE INK - Ink containing a pigment, an alcohol alkoxylate-based surfactant, a water-soluble organic solvent, water, and a dispersion agent represented by the following chemical structure 1, wherein the ink has a dynamic surface tension of 36 mN/m or less when the life of foam at 25° C. as measured by the maximum bubble pressure technique is 15 msec: | 02-26-2015 |