NICCA CHEMICAL CO., LTD.
|NICCA CHEMICAL CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20140275412||NON-CRYSTALLINE POLYESTER RESIN, AND BINDER RESIN AND BINDER RESIN DISPERSION FOR TONER - An amorphous polyester resin of the invention is obtained by reaction between a polyester resin (A), obtained by reaction between a polyhydric alcohol component and a first poly-carboxylic acid component, either or both including a 3 or higher valent component, and having a weight-average molecular weight of 6,000 to 40,000 and a hydroxyl value of 15 to 70 mgKOH/g, and a second poly-carboxylic acid component (a), under conditions satisfying the following equations (1), (2) and (3), and the amorphous polyester resin satisfying the following equation (4).||09-18-2014|
|20130165006||WATER-AND-OIL REPELLANT COMPOSITION, FUNCTIONAL TEXTILE PRODUCT, AND PRODUCTION METHOD FOR FUNCTIONAL TEXTILE PRODUCT - The water-and-oil repellant composition of the invention including an aqueous dispersion of a pyrazole blocked hydrophobic polyisocyanate containing a pyrazole blocked hydrophobic polyisocyanate represented by the following formula (I) and a non-ionic surface active agent, and a water-and-oil repellant component having a perfluoroalkyl group with 6 carbon atoms or less is provided:||06-27-2013|
|20130041125||AMORPHOUS POLYESTER RESIN, BINDER RESIN FOR TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT AND AMORPHOUS POLYESTER RESIN PRODUCTION METHOD - The invention provides an amorphous polyester resin that can sufficiently achieve the reciprocal performance properties of hot offset resistance and cold offset resistance, which is a major issue for a toner for electrostatic image development, while allowing adequate blocking resistance to be obtained, as well as a binder resin for toner for electrostatic image development, and an amorphous polyester resin production method, the amorphous polyester resin being obtained by reaction between a polybasic carboxylic acid compound and a polyhydric alcohol, wherein the polybasic carboxylic acid compound comprises (a) the reaction product between an aromatic polybasic carboxylic acid compound and a C2-4 glycol at 60 mol % or greater based on the total amount of the polybasic carboxylic acid compound, and the amorphous polyester resin has a glass transition point of 55° C. to 75° C. and a weight-average molecular weight of 10,000 to 50,000.||02-14-2013|
|20120152479||ORGANO-MODIFIED SILICONE, MOLD RELEASE AGENT FOR MOLD CASTING COMPRISING THE SAME, AND MOLD CASTING METHOD USING THE SAME - An organo-modified silicone obtained by an addition reaction of (I) a chain silicone represented by formula (1):||06-21-2012|
|20110136664||DIPHENYLSULFONE BRIDGED COMPOUND, COLOR FORMING SUBSTANCE FOR THERMAL RECORDING AND THERMAL RECORDING MATERIAL - Diphenylsulfone bridged compounds of the general formula: (1) wherein n is an integer of 1 to 10. Further, there is disclosed a thermal recording material comprising a support and, superimposed thereon, a thermosensitive color forming layer containing a color forming substance for thermal recording consisting of any of the diphenylsulfone bridged compounds and a color forming substance consisting of a colorless or light-colored leuco dye. This thermal recording material excels in the storability, especially wet heat resistance and oil resistance, of image areas and further exhibits excellent characteristics in the storability, especially heat resistance, of undeveloped areas.||06-09-2011|
|20110107526||OLIGOMER REMOVING AGENT FOR POLYESTER-BASED FIBER MATERIAL - An oligomer removing agent for polyester-based fiber materials comprises a polyester copolymer which is obtained by polycondensation of a dibasic acid component containing 15-65 mol % of a sulfonate group-containing dibasic acid and a dihydric alcohol component containing polyethylene glycol with a molecular weight of 900-3500, and which has a 200° C. melt viscosity of 5000-23,000 mPa·s and has 10-40 mass % polyoxyethylene chains in the molecule. The oligomer removing agent is able to overcome the problems caused by deposition of polyester oligomers, when added to the dyeing bath in a dyeing step for polyester fiber materials or for fiber materials that are composites thereof with other fiber materials.||05-12-2011|
Patent applications by NICCA CHEMICAL CO., LTD.