Patent application number | Description | Published |
20090137695 | Active Ray Curable Ink-Jet Ink - An active ray curable ink-jet ink comprising at least an organic pigment, a polymer dispersant, a photo-initiator and a cationic polymerizable compound, wherein the active ray curable ink-jet ink incorporates a quaternary ammonium salt and a content of the quaternary ammonium salt is not less than 5 ppm and not more than 500 ppm. | 05-28-2009 |
20090291225 | Active Ray Curable Ink-Jet Ink, Image Forming Method and Ink-Jet Recording Apparatus Using the Same - A active ray curable ink-jet ink includes a multifunctional acrylate or methacrylate of at least three functional groups, and the acrylate or the methacrylate has a partial structure of the following Formula (1) in an amount of 5-40 weight % based on the total weight of the active ray curable ink-jet ink: Formula (1) —(R—O—) | 11-26-2009 |
20100015336 | ACTIVE RAY-CURABLE INK AND METHOD FOR FORMING IMAGE - An active ray-curable ink comprising a pigment, a photoinitiator, a polymerizable compound, a compound represented by following Formula (1), and a urethane polymer or a urethane oligomer having no photopolymerizable group in a molecule: | 01-21-2010 |
20100112497 | IMAGE FORMING METHOD - Provided is a method for forming an image with an ink-jet recorder provided with an ink-jet head, the method comprising the following steps in the sequence set forth: ejecting a photo-acid generator solution through the ink-jet head on a recording material, provided that the photo-acid generator solution contains a solvent and a photo-acid generator without containing a photopolymerizable compound; irradiating the ejected photo-acid generator solution on the recording material with actinic radiation rays; ejecting an actinic radiation curable ink containing a colorant through the ink-jet head on the recording material to form an image; and irradiating the image with actinic radiation rays so as to fix the formed image. | 05-06-2010 |
20110141187 | METHOD FOR FORMING INKJET IMAGE - Provide is a method for forming an inkjet image in which a high-resolution image can be formed by a stable ink ejection and an inkjet image exhibits excellent curability, wherein the inkjet image is formed by ejecting an ink composition onto a medium from a nozzle of an inkjet recording head comprising a plurality of pressure chambers, a plurality of nozzles in communication with the pressure chambers and an ink chamber in communication with a side of a plurality of the pressure chamber on which side is opposite to a side of the nozzle of the pressure chamber, and the ink chamber is filled with the ink composition, wherein the ink composition comprises an photo-initiator, a polymerizable compound and a gelling agent; and comprising steps of heat-keeping a temperature of the ink composition in the ink chamber at 70° C.-140° C. during an image recording including during standing-by, and flowing the ink composition in the ink chamber. | 06-16-2011 |
20130141505 | ACTINIC ENERGY RADIATION CURABLE INKJET INK AND ACTINIC ENERGY RADIATION CURABLE INKJET RECORDING METHOD - Provided are an actinic energy radiation curable ink, which can achieve a high fineness and natural glossiness when recording is carried out onto a non-absorptive recording medium such as a film or a laminated paper or a slightly absorptive recording medium such as a coated paper; and an actinic energy radiation curable inkjet recording method. This actinic energy radiation curable ink, which is to be used in inkjet recording, is characterized by: said actinic energy radiation curable ink undergoing reversible sol/gel phase transition depending on temperature; said actinic energy radiation curable ink containing from 1% or more by mass to less than 10% by mass of a gelling agent; and, at temperature Tm (° C.) that is separately defined, the storage elastic modulus (G′) of the actinic energy radiation curable ink being from 0.1 or more Pa to less than 1000 Pa and the storage elastic modulus (G′) being smaller than the loss elastic modulus (G″) thereof. | 06-06-2013 |
20130335479 | ACTIVE RAY-CURABLE INKJET INK, AND IMAGE FORMATION METHOD - The active ray-curable inkjet ink comprises a gelling agent, photopolymerizable compounds and a photoinitiator, and reversibly transitions into a sol-gel phase according to the temperature. Therein: (1) a (meth)acrylate compound having a molecular weight of 300-1,500 and having 3.44 (—CH | 12-19-2013 |
20140002534 | ACTINIC RAY CURABLE INKJET INK AND IMAGE RECORDING METHOD USING SAME | 01-02-2014 |
20140333704 | PHOTOCURABLE INKJET AND IMAGE FORMING METHOD USING SAME - Provided is a photocurable inkjet ink comprising a curable monomer, a photopolymerization initiator, a gelling agent, a colorant, and a curable oligomer. The photocurable inkjet ink is characterized in that the curable oligomer has from two to twenty functional groups, that the glass transition temperature thereof is 40° C. or higher, and that the curable oligomer content is from 2 to 20% by mass relative to the mass of the ink as a whole. | 11-13-2014 |
20150015648 | ACTINIC RADIATION-CURABLE INKJET INK AND IMAGE FORMING METHOD USING SAME - Provided is an actinic radiation-curable inkjet ink that undergoes sol-gel phase transfer and contains a dye, a gelling agent, a photopolymerization compound and a photopolymerization initiator. The actinic radiation-curable inkjet ink comprises a photopolymerizable compound A, which is a (meth)acrylate having hydroxyl groups; a photopolymerizable compound B, which is a (meth)acrylate compound having a molecular weight within a range of 300 to 1,500 and an intramolecular structure (—CH | 01-15-2015 |
20150062267 | IMAGE-FORMING METHOD - An inkjet recording method comprising: shooting to a recording medium an active-light-ray-curable inkjet ink including a photopolymerizable compound, a wax, a photopolymerization initiator, and a coloring material, and that undergoes reversible sol-gel phase transition relative to temperature; and curing the ink by irradiating an active light ray to the ink that has been shot to the recording medium, wherein the ink including a (meta) acrylate compound (B) having a molecular weight of 300-1500 and a C log P value within the range 4.0 to 7.0, the wax content being 1.0-10 percent by mass of the total mass of the ink, and the temperature of the recording medium at active light ray irradiation being set such that the saturation solubility of the wax with respect to the ink constitutes 0.5 percent by mass or less. According to this image-forming method, blooming is suppressed. | 03-05-2015 |