Patent application number | Description | Published |
20080199801 | Liquid Developer and Image Forming Apparatus - A liquid developer includes: an insulating liquid having dispersed therein toner particles, the insulating liquid containing a fatty acid monoester that is an ester of a fatty acid and a monohydric alcohol, and the insulating liquid having an aniline point of from 5 to 80° C. | 08-21-2008 |
20090023088 | Liquid Developer and Image Forming Apparatus - A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material, the resin material containing a first resin component and a second resin component of which weight-average molecular weight Mw | 01-22-2009 |
20090023089 | Liquid Developer and Image Forming Apparatus - A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material. The resin material is characterized in that a weight-average molecular weight Mw of the resin material is in the range of 20,000 to 200,000, and an amount of a component of which molecular weight M is 10,000 or less contained in the resin material is in the range of 5 to 40 wt %. The liquid developer described above is harmless to the environment. Further, the liquid developer also has superior preservability or storage stability and superior fixing characteristics at a low temperature. An image forming apparatus that can suitably use such a liquid developer is also provided. | 01-22-2009 |
20090123187 | Liquid Developer and Image Forming Apparatus - A liquid developer includes an insulating liquid; toner particles constituted by a resin material as a main component; and a dispersing agent expressed by Formula (I): | 05-14-2009 |
20090181318 | Liquid Developer and Image Forming Apparatus - A liquid developer includes an insulation liquid, toner particles dispersed in the insulation liquid, which at least a part of the surface of each of the toner particles contains a rosin resin and a dispersant improving dispersibility of the toner particles in the insulation liquid, which the dispersant is consisted of a material having a predetermined amine value. The liquid developer described above has superior positive charge property of toner particles and which has superior dispersibility of the toner particles for a long period of time. Further, an image forming apparatus that can suitably use such a liquid developer is also provided. | 07-16-2009 |
20090233214 | Liquid Developer and Image Forming Apparatus - A liquid developer includes an insulating liquid; toner particles constituted by a material containing a polyester resin; and an alkyl diamine and an amide compound having a hydroxy fatty acid skeleton as dispersants. | 09-17-2009 |
20090233215 | Liquid Developer and Image Forming Apparatus - A liquid developer includes an insulating liquid; toner particles mainly constituted by a resin material; and a dispersant having an amine value, wherein a power of hydrogen ion concentration pH of the liquid developer at 24° C. is from 4 to 7. | 09-17-2009 |
20090233216 | Liquid Developer and a Method of Forming Image - A liquid developer is provided. The liquid developer comprises: an insulation liquid constituted of a modified epoxy compound as a main component thereof; toner particles dispersed in the insulation liquid; and a cation type photopolymerization initiator used for polymerizing the modified epoxy compound. The liquid developer has superior fixing characteristics and is capable of forming an image at a high speed. Further, a method of forming an image is also provided. | 09-17-2009 |
20090238606 | Liquid Developer and Image Forming Apparatus - A liquid developer is provided. The liquid developer comprises an insulation liquid, toner particles dispersed in the insulation liquid, a dispersant dissolved in the insulation liquid; and a charge control agent dissolved in the insulation liquid. The charge control agent is represented by the following chemical formula (I): | 09-24-2009 |
20090245873 | Liquid Developer - A liquid developer which has excellent preservability, storage stability for a long period of time, and fixing characteristic of toner particles and which is also harmless to the environment is provided. The liquid developer contains an insulation liquid and toner particles dispersed in the insulation liquid. The insulation liquid contains a saturated fatty acid and at least one component selected from a group comprising a linolenic acid component, a linoleic acid component and an oleic acid component. The liquid developer may contain an antioxidizing agent and an oxidation polymerization accelerator for accelerating an oxidation polymerization reaction of the linolenic acid component, the linoleic acid component or the oleic acid component during a fixing process. | 10-01-2009 |
20100055602 | Liquid Developer and Image Forming Method - A liquid developer includes: toner particles containing a rosin resin; an insulating liquid containing an epoxy-modified compound in liquid form; and a cationic photopolymerization initiator. | 03-04-2010 |
20100203448 | METHOD FOR MANUFACTURING PRINTING PLATE AND PRINTING PLATE-FORMING PHOTOCURABLE LIQUID FOR MANUFACTURING - A method for manufacturing a printing plate includes applying a printing plate-forming photocurable liquid containing an epoxy-modified fatty acid ester and/or an acrylic-modified fatty acid ester and a photopolymerization initiator onto a printing original plate to form an uncured coating, selectively irradiating the uncured coating with UV light to cure part of the coating, and removing the uncured portion of the coating. | 08-12-2010 |
20100233614 | LIQUID DEVELOPER AND IMAGE FORMING METHOD - Provided is a liquid developer containing toner particles and an insulating liquid containing an epoxy modified fatty acid alkyl ester. | 09-16-2010 |