OJI HOLDINGS CORPORATION Patent applications |
Patent application number | Title | Published |
20160130757 | METHOD FOR PRODUCING SHEET CONTAINING FINE FIBERS - The present invention was accomplished in order to provide a method for producing a sheet containing fine fibers, which enables production of a sheet containing fine fibers without producing wrinkles. The present invention provides a method for producing a sheet containing fine fibers comprising a coating step of coating a dispersion containing fine fibers having a fiber diameter of 1000 nm or smaller on a base material, and a drying step of drying the dispersion containing fine fibers coated on the base material to form a sheet containing fine fibers. | 05-12-2016 |
20160115249 | PHOSPHORIC ACID-ESTERIFIED FINE CELLULOSE FIBER AND METHOD FOR PRODUCING THE SAME - Objects of the present invention are to provide a phosphoric acid-esterified fine cellulose fiber of which slurry shows superior transparency, and to provide a method for producing a phosphorylated fine cellulose fiber showing superior transparency with good efficiency and high yield. According to the present invention, there is provided a phosphoric acid-esterified fine cellulose fiber, of which 0.2 mass % aqueous dispersion shows a solution haze of 15% or lower. | 04-28-2016 |
20160082760 | THERMOSENSITIVE RECORDING MEDIUM - A primary object of the present invention is to provide a thermosensitive recording material that achieves high recording density and excellent preservability of a recorded part, or to provide a thermosensitive recording material that achieves high recording density, and excellent heat resistant and resistance to thermal background fogging property in a high temperature environment, as well as excellent sticking resistance and resistance to dirt adhesion of head. | 03-24-2016 |
20160059604 | HEAT-SENSITIVE RECORDING MEDIUM DISPLAYING GOLD METAL TONE, AND/OR HEAT-SENSITIVE RECORDING MEDIUM DISPLAYING TWO DIFFERENT COLOR TONES - A main purpose of the present invention is to provide a heat-sensitive recording medium that utilizes a chromogenic reaction between a dye precursor and a developer, wherein a colored image is tinged with a metallic luster so as to exhibit a gold metal color tone with a vivid appearance, or to provide a heat-sensitive recording medium exhibiting a yellow or gold metal color tone and a color tone different from the yellow or gold metal color tone, wherein the color optical density in each of the color tones is high, and a recording part has excellent color separation properties. | 03-03-2016 |
20160032086 | RUBBER COMPOSITION, METHOD FOR MANUFACTURING SAME, VULCANIZED RUBBER, AND TIRE - Provided are a rubber composition provided with excellent reinforcement properties by improving the dispersibility of fibers in a rubber component when the fibers are added to the rubber, a method for manufacturing the same, a vulcanized rubber, and a tire. A rubber composition comprising a rubber component and short fibers, wherein the short fibers are cationized. A method for manufacturing the rubber composition, comprising a mixing step for mixing cationized short fibers and rubber latex to prepare a rubber-short fiber mixed solution, and a drying step for drying the rubber-short fiber mixed solution to give a rubber composition. | 02-04-2016 |
20150367663 | HEAT-SENSITIVE RECORDING BODY - The present invention provides a heat-sensitive recording material having a high recording density, excellent plasticizer resistance in recorded portions, and excellent resistance to thermal background fogging in high-temperature environments. The heat-sensitive recording material includes a heat-sensitive recording layer containing a specific sulfonamide compound. | 12-24-2015 |
20150140266 | BIAXIALLY STRETCHED POLYPROPYLENE FILM FOR CAPACITORS - A biaxially stretched polypropylene film for a capacitor containing an isotactic polypropylene. The weight average molecular weight (Mw) of the isotactic polypropylene as measured by gel permeation chromatography (GPC) is 250,000 to 450,000, the molecular weight distribution Mw/Mn is 7 to 12 and Mz/Mn is 20 to 40, and the value of a difference obtained by subtracting a differential distribution value when the logarithmic molecular weight Log(M)=6 from a differential distribution value when Log(M)=4.5 on a molecular weight distribution curve thereof is 8% to 20%. The ultrathin biaxially stretched polypropylene film for a capacitor has superior heat resistance performance and withstands voltage performance. | 05-21-2015 |
20150122430 | METHOD FOR PRODUCING FINE FIBERS AND SHEET CONTAINING FINE FIBERS - The object of the present invention is to provide a method for producing fine fibers and a sheet containing fine fibers, whereby fiber refinement (fibrillating) of a fiber material is facilitated, freeness and dehydration performance of slurry containing fine fibers obtained after fiber refinement (fibrillating) is favorable and resistance to yellowing of the fine fibers is improved. The present invention provides a method for producing fine fibers, comprising at least the steps of: (a) introducing electrostatic and/or steric functional substituents into a fiber material to obtain substituent-introduced fibers; (b) subjecting the substituent-introduced fibers to mechanical treatment; and (c) eliminating some or all of introduced substituents from the substituent-introduced fine fibers obtained in step (b) to obtain fine fibers from which substituents have been eliminated. | 05-07-2015 |
20150079866 | METHOD OF PRODUCING FINE FIBER, AND FINE FIBER, NON-WOVEN FABRIC, AND FINE FIBROUS CELLULOSE - A method of producing a fine fiber, including treating a cellulose raw material with an enzyme; and fibrillating the treated cellulose raw material; treating with the enzyme under a condition where at least a ratio of endo-glucanase activity to cellobiohydrolase activity that is 0.06 or greater. The cellulose raw material may be a plant fiber. The method efficiently produces a fine fiber from a cellulose raw material at low cost and with a low environmental burden, a fine fiber, and a non-woven fabric. | 03-19-2015 |
20150034925 | ORGANIC LIGHT EMITTING DIODE, MANUFACTURING METHOD FOR ORGANIC LIGHT EMITTING DIODE, IMAGE DISPLAY DEVICE, AND ILLUMINATION DEVICE - The present invention provides an organic light emitting diode substrate configured so that the light extraction efficiency of a single color organic light emitting diode element made from one type of light emitting material is high, so that there is no risk of an extraction wavelength deviating from a target light emission wavelength due to slight variations in a fine uneven structure, and so as to enable extraction of a narrow bandwidth of light, from visible light, that has any central wavelength within the near infrared band and that has a degree of broadness. Also provided are an organic light emitting diode, a manufacturing method for the organic light emitting diode substrate, a manufacturing method for the organic light emitting diode, an image display device, and an illumination device. The organic light emitting diode, which is a top emission-type, is configured so that at least the following are laminated on the substrate: a reflective layer comprising a metal material; an anode conductive layer comprising a transparent conductive material; an organic EL layer having a light emitting layer which contains an organic light emitting material; and a cathode conductive layer in which a semi-transmissive metal layer and a transparent conductive layer comprising a transparent conductive material are laminated. On the surface of the semi-transmissive metal layer that is in contact with the transparent conducive layer side, a two-dimensional lattice structure is formed in which a plurality of protrusions are arranged periodically and two-dimensionally. If in the surface the real part of propagation constant of a surface Plasmon expressed by complex numbers is k, a distance between centers (P), which is the distance between centers (P) of adjacent protrusions from among the protrusions formed on the surface, is set to be a value within the range of formula (1). When forming a triangular lattice structure as the two-dimensional lattice structure, P0 in formula (1) satisfies formula (2), and when forming a rectangular lattice structure as the two-dimensional lattice structure, P0 satisfies formula (3). | 02-05-2015 |
20150015812 | DISPLAY DEVICE WITH CAPACITIVE TOUCH PANEL, CAPACITIVE TOUCH PANEL - A display device with a capacitive touch panel including a liquid crystal display having a polarizing plate disposed on a top surface thereof; and a capacitive touch panel which is disposed in front of the liquid crystal display such that a gap is provided between the touch panel and the polarizing plate, and has an outer edge which is fixed to the liquid crystal display via an adhesive layer therebetween. The touch panel includes a transparent substrate, a conductive layer which is provided on the side of the liquid crystal display of the transparent substrate, and a protective sheet which is laminated on the conductive layer via an adhesive layer, and a surface of the protective sheet opposed to the liquid crystal display is an irregular surface having minute irregularities, and the irregular surface has a surface roughness of 1.5 nm to 400 nm. | 01-15-2015 |
20140288298 | METHOD FOR MANUFACTURING MONOSACCHARIDES, OLIGOSACCHARIDES, AND FURFURALS FROM BIOMASS - The present invention provides a method for efficiently producing monosaccharides, oligosaccharides, and furfurals from biomass. A biomass is hydrolyzed under conditions under which monosaccharides, oligosaccharides, and furfurals are produced while continuously supplying an aqueous suspension of the biomass from a supply port of a continuous primary hydrolysis device and moving the suspension through the device. A hydrolysis solution is continuously discharged from a discharge port of the continuous hydrolysis device, and a hydrolysis solution containing monosaccharides, oligosaccharides, and furfurals are extracted from an intermediate extraction port provided at any position between the supply port and the discharge port of the continuous primary hydrolysis device. The extracted hydrolysis solution is then subjected to secondary hydrolysis. | 09-25-2014 |
20140218049 | APPARATUS FOR MEASURING MOISTURE CONTENT AMOUNT AND/OR COATING AMOUNT OF COATING LAYER OF SHEET-SHAPED BASE MATERIAL - A first isolator, which is disposed in a direction where a signal is transmitted only to an antenna direction, is connected directly to a connector portion of an antenna on an oscillation side without a cable, and a second isolator | 08-07-2014 |
20140183497 | ORGANIC LIGHT-EMITTING DIODE, ORGANIC LIGHT-EMITTING DIODE SUBSTRATE, AND METHOD OF MANUFACTURING SAME - An organic light-emitting diode manufactured from an organic light-emitting diode substrate in which a concave-convex structure is provided in at least a part of the surface, in which the concave-convex structure is capable of obtaining an atomic force microscope (AFM) image in which a plurality of dots is dispersed when observed by an AFM. A histogram is created by measuring a diameter (nm) of each of the plurality of dots present in a randomly selected region having an area of 25 μm | 07-03-2014 |
20140167017 | ORGANIC LIGHT-EMITTING DIODE MANUFACTURING METHOD, ORGANIC LIGHT-EMITTING DIODE, IMAGE DISPLAY DEVICE, ILLUMINATION DEVICE, AND SUBSTRATE - A method of manufacturing an organic light-emitting diode including preparing, by a dry etching method using a particle single layer film as an etching mask, a substrate provided with an uneven structure in which a plurality of unevenness is arranged in two dimensions on the surface of the substrate, and stacking, on the uneven structure, at least an anode conductive layer, an EL layer including a light-emitting layer containing an organic light-emitting material, and a cathode conductive layer containing a metal layer, such that the uneven structure is reproduced on the surface of the metal layer on the side of the EL layer, wherein the particle single layer film is formed using a mixture of a plurality of particles having different particle sizes, and an uneven structure is provided which satisfies particular requirements. | 06-19-2014 |
20140001450 | ORGANIC LIGHT EMITTING DIODE, METHOD FOR MANUFACTURING SAME, IMAGE DISPLAY DEVICE, AND ILLUMINATING DEVICE | 01-02-2014 |
20130338250 | CELLULOSE FIBERS AND PROCESS FOR PRODUCING THE SAME, CELLULOSE FIBER ASSEMBLY, AND CELLULOSE-FIBER COMPOSITE MATERIAL - The present invention relates to cellulose fibers wherein a part of the hydroxyl groups of the cellulose have been substituted with at least one of a carboxy group and formyl group of 0.1 mmol/g or larger based on the weight of the cellulose fibers, and have been further substituted with a chemical modification group other than the carboxy and formyl groups. | 12-19-2013 |
20130309493 | METHOD FOR PRODUCING PLANT FIBER COMPOSITE MATERIAL TO BE KNEADED WITH MATRIX - The present invention relates to a plant fiber material having excellent dispersibility, for use as a reinforcing material for a matrix resin. Provided are a method for producing a plant fiber composite material to be kneaded with a matrix comprising the steps of: maintaining plant fibers in the state of floating and being dispersed in air in a container; supplying and attaching fine droplets of a wax fine particle dispersion to the surface of the plant fibers; and collecting the plant fiber composite material comprising wax-attached plant fibers, of which each surface is coated with wax fine particles; and a plant fiber composite material to be kneaded with a matrix, which comprises wax-attached plant fibers produced by the method. | 11-21-2013 |
20130288000 | POLYPROPYLENE FILM FOR CAPACITOR - A biaxially-oriented polypropylene film for an ultra-thin capacitor that has superior heat resistance, withstand voltage performance and long-term durability. The film has a stereoregularity in which mesopentad fraction (mmmm) as determined by measurement of high temperature nuclear magnetic resonance (high temperature NMR) is between 94% and 98%, a weight average molecular weight (Mw) of 250,000 to 450,000, a molecular weight distribution (Mw/Mn) of 4 to 7, and on a molecular weight distribution curve, a difference determined by subtracting the differential distribution value when the logarithm of molecular weight Log(M)=6 from the differential distribution value when Log(M)=4.5 that is 9% to 15%. The film is fabricated using a polypropylene raw material resin in which the composition of the aforementioned molecular weight distribution has been adjusted by peroxidative decomposition treatment of a polypropylene resin. | 10-31-2013 |
20130284387 | Cellulose Fiber Assembly and Method for Preparing the Same, Fibrillated Cellulose Fibers and Method for Preparing the Same, and Cellulose Fiber Composite - An object of the present invention is to provide a cellulose fiber assembly and a cellulose fiber composite, each having low coloration. The present invention is directed to a method for preparing a fibrillated cellulose fiber assembly, in which the cellulose fiber raw materials are subjected to a fibrillation treatment and a reduction treatment. The present invention provides a method for preparing a cellulose fiber assembly, comprising a fibrillation step of fibrillating cellulose fiber raw materials to obtain fibrillated cellulose fibers, an assembly preparation step of obtaining a cellulose fiber assembly using the fibrillated cellulose fibers, and a step of carrying out a reduction treatment. Further, the present invention provides a cellulose fiber composite comprising the prepared cellulose fiber assembly and a matrix material. | 10-31-2013 |
20130269898 | DEVICE FOR PRODUCING FIBROUS SHEET - A device for producing a fibrous sheet, including a water squeezing section which squeezes the dispersion medium from a dispersion to generate a web, and a drying section which dries the web to generate a fibrous sheet, the water squeezing section having multiple first fabric sheets arranged longitudinally along the transport direction of a web substrate that is partway through web generation, and water squeezing units which are provided beneath the multiple first fabric sheets and squeeze the dispersion medium from the dispersion, and in the water squeezing section, a continuous sheet is positioned so as to extend over the upper surface of the multiple first fabric sheets, and the dispersion is discharged onto the upper surface of the continuous sheet. | 10-17-2013 |
20130264007 | PROCESS FOR PRODUCTION OF FINELY FIBROUS CELLULOSE COMPOSITE PREPREG SHEET, PROCESS FOR PRODUCTION OF FINELY FIBROUS CELLULOSE COMPOSITE SHEET, AND PROCESS FOR PRODUCTION OF FINELY FIBROUS CELLULOSE COMPOSITE LAMINATE SHEET - A method of producing a finely fibrous cellulose composite prepreg sheet, sheet or laminate sheet, the method including a mixing an emulsion of a reactive compound with an aqueous suspension containing a finely fibrous cellulose to prepare a mixed liquid dewatering the mixed liquid by filtration on a porous substrate to form a water-containing sheet; and heating and drying the water-containing sheet. A method of producing a finely fibrous cellulose composite sheet, the method including subjecting the finely fibrous cellulose composite prepreg sheet produced by the method described above to a curing treatment. | 10-10-2013 |
20130164478 | DOUBLE-FACED PRESSURE-SENSITIVE ADHESIVE SHEET, DOUBLE-FACED PRESSURE-SENSITIVE ADHESIVE SHEET WITH RELEASE SHEET, PROCESS FOR PRODUCING SAME, AND TRANSPARENT LAMINATE - A double-faced pressure-sensitive adhesive sheet, including a first pressure-sensitive adhesive layer, and a second pressure-sensitive adhesive layer provided on one side of the aforementioned first pressure-sensitive adhesive layer, wherein a primary component of the first pressure-sensitive adhesive layer is a two-part acrylic pressure-sensitive adhesive (I), and a weight average molecular weight of the pertinent two-part acrylic pressure-sensitive adhesive (I) is 150,000-800,000, and wherein a primary component of the second pressure-sensitive adhesive layer is a two-part acrylic pressure-sensitive adhesive (II), and a weight average molecular weight of the pertinent two-part acrylic pressure-sensitive adhesive (II) is 900,000-2,000,000. | 06-27-2013 |
20130157318 | METHOD FOR ENZYMATIC SACCHARIFICATION TREATMENT OF LIGNOCELLULOSE-CONTAINING BIOMASS, AND METHOD FOR PRODUCING ETHANOL FROM LIGNOCELLULOSE-CONTAINING BIOMASS - A method for the enzymatic saccharification of a lignocellulosic raw material, including adding a pretreated lignocellulosic raw material as a material suitable for an enzymatic saccharification reaction, together with an electrolyte containing a water-soluble salt, to water that contains a celluolose saccharification enzyme; saccharifying the raw material by an enzymatic saccharification reaction, as a suspension of the raw material having an electrical conductivity adjusted to 5-25 mS/cm; separating and recovering a reaction product and an enzyme-containing solution from the enzymatically saccharified treatment suspension; and recycling the recovered enzyme-containing solution as the enzyme for the enzymatic saccharification step. | 06-20-2013 |
20130112361 | WIRE FOR PAPERMAKING OF MICROFIBROUS CELLULOSE-CONTAINING SHEET AND METHOD FOR PRODUCING MICROFIBROUS CELLULOSE-CONTAINING SHEET - A wire for papermaking of a microfibrous cellulose-containing sheet includes a base that has water permeability and a porous coating layer that is provided on at least one surface of the base, wherein the porous coating layer contains a porous pigment, an adhesive and a hydrophobizing agent. | 05-09-2013 |