Patent application number | Description | Published |
20080220358 | COLORING COMPOUND AND YELLOW TONER CONTAINING THE COLORING COMPOUND - Provided are a coloring compound for color toner which satisfies all of solubility in an organic solvent, a color tone, and lightfastness, and does not inhibit the polymerization of a polymerizable monomer when used in a polymerized toner, and a yellow toner using the coloring compound and achieving compatibility between a good color tone and excellent lightfastness, in which, the coloring compound has a structure represented by the following formula (1). | 09-11-2008 |
20080299482 | METHOD OF MANUFACTURING AQUEOUS DISPERSION OF RESIN FINE PARTICLES, AQUEOUS DISPERSION OF RESIN FINE PARTICLES, METHOD OF MANUFACTURING TONER, AND TONER - A method of manufacturing an aqueous dispersion of resin fine particles, including: a mixing step of mixing an aqueous medium, a resin having an acid group, a basic substance, and a surfactant to obtain a mixture; an emulsification step of applying a shearing force to the mixture while heating at temperature 10.0° C. or more higher than a softening temperature (Tm) of the resin having the acid group to obtain an emulsified product; and a cooling step of obtaining an aqueous dispersion of resin fine particles by cooling the emulsified product, in which, in the cooling step, cooling is carried out at a cooling rate of 0.5° C./min or more to 10.0° C./min or less to a glass transition temperature (Tg) of the resin having the acid group or lower while a shearing force is applied. | 12-04-2008 |
20090075193 | COLORING COMPOUND, YELLOW TONER, SHEET FOR HEAT-SENSITIVE TRANSFER RECORDING, AND INK - A coloring compound is provided which is excellent in coloring ability and transparency, has high solubility in organic solvents, and is superior in light resistance. A toner, a sheet for heat-sensitive transfer recording and an ink that use the coloring compound are also provided. The coloring compound is represented by the following general formula: | 03-19-2009 |
20100028794 | AQUEOUS DISPERSION OF FINE RESIN PARTICLES, METHOD FOR PRODUCING AQUEOUS DISPERSION OF FINE RESIN PARTICLES, AND METHOD FOR PRODUCING TONER PARTICLES - The present invention provides an aqueous dispersion of nonspherical fine resin particles having excellent storage stability and processability such as aggregation and adherence to other substances, a method for producing the aqueous dispersion of fine resin particles, and a method for producing toner particles using the aqueous dispersion of fine resin particles. The present invention relates to an aqueous dispersion of fine resin particles characterized in that the fine resin particles are nonspherical particles with an average minor axis being 0.02 μm or more and 1.00 μm or less and an average ratio of a major axis to a minor axis being 2.0 or more and 5.0 or less, a method for producing the aqueous dispersion of fine resin particles, and a method for producing toner particles using the aqueous dispersion of fine resin particles. | 02-04-2010 |
20100035171 | YELLOW TONER - Provided is a yellow toner having toner particles each containing at least a binder resin, a colorant, and a polar resin, the yellow toner being characterized in that: the colorant is a coloring compound having a specific structure; in a microscopic compression test at a measurement temperature of 25° C., the toner has a recovery ratio Z(25) of 40 to 80%; and the toner has a glass transition temperature (TgA) measured with a differential scanning calorimeter (DSC) of 40° C. to 60° C. and a temperature (P1) of the highest endothermic peak measured with the DSC of 70° C. to 90° C., and the temperature (P1) of the highest endothermic peak and the glass transition temperature (TgA) satisfy the relationship of 15° C.≦P1−TgA≦50° C. | 02-11-2010 |
20120040285 | TONER PRODUCTION PROCESS AND TONER - A process for producing a core-shell toner is provided in which the toner has core particles containing at least a binder resin ( | 02-16-2012 |
20130108955 | PROCESS FOR PRODUCING TONER | 05-02-2013 |
20150037717 | METHOD FOR MANUFACTURING CORE-SHELL STRUCTURE FINE PARTICLES AND TONER - This invention provides a manufacturing method capable of manufacturing core-shall structure particles even when using fine particles manufactured under the conditions of substantially not using a solvent as shell particles and toner containing the fine particles. | 02-05-2015 |