| TEIJIN LIMITED Patent applications |
| Patent application number | Title | Published |
| 20120115008 | POLYOLEFIN MICROPOROUS MEMBRANE, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, NON-AQUEOUS SECONDARY BATTERY AND METHOD OF PRODUCING POLYOLEFIN MICROPOROUS MEMBRANE - A polyolefin microporous membrane, the membrane having, when measured by DSC, a degree of crystallinity of from 65 to 85%, a lamellar crystal/crystal ratio of from 30 to 85%, a crystal length of from 5 nm to 50 nm and an amorphous length of from 3 nm to 30 nm, and a polyolefin microporous membrane, the membrane having, when measured by X-ray diffractometry, crystal size of from 12.5 nm to 13.5 nm and a degree of crystallinity of from 64 to 68%. | 05-10-2012 |
| 20120094071 | TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - The present invention provides a transparent electroconductive laminate suitable for use in combination with a display device such as a liquid crystal display, and a transparent touch panel having the transparent electroconductive laminate. The transparent electroconductive laminate comprises a transparent organic polymer substrate | 04-19-2012 |
| 20120092290 | TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - The present invention provides a transparent electroconductive laminate having a combination of high transparency, small haze and sufficient lubricity; and a transparent touch panel comprising such a transparent electroconductive laminate. The transparent electroconductive laminate of the present invention comprises a transparent organic polymer substrate which has, on at least one surface thereof, a cured resin layer, and a transparent electroconductive layer in this order, and satisfies the following conditions (a) the cured resin layer contains a resin component and first ultrafine particles having an average primary particle diameter of 1 to 100 nm, (b) the resin component and the first ultrafine particles contain the same metal and/or metalloid element, and (c) in the cured resin layer, the content of the first ultrafine particles is from 0.01 to 3 parts by mass per 100 parts by mass of the resin component, and (d) the cured resin layer has a thickness of 0.01 to 2 μm. The transparent touch panel of the present invention comprises the transparent electroconductive laminate of the present invention. | 04-19-2012 |
| 20120080679 | ALKYLSILANE LAMINATE, PRODUCTION METHOD THEREOF AND THIN-FILM TRANSISTOR - Provided is an alkylsilane laminate with which it is possible to obtain an organic semiconductor film having excellent semiconductor properties. Such a laminate can be useful for an organic thin-film transistor. The alkylsilane laminate comprises an underlayer (Sub) having hydroxyl groups at the surface and an alkylsilane thin film (AS) formed on this underlayer. The alkylsilane laminate is a laminate wherein the critical surface energy Ec of the alkylsilane thin film and the number of carbons (X) of the alkylsilane satisfies the following formula (1): Ec≦29.00−0.63 | 04-05-2012 |
| 20120058337 | CARBON FIBER AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a pitch carbon fiber having a decreased occurrence of cracking along the direction of the fiber axis of the pitch carbon fiber, which has conventionally occurred in a melt blowing method, and having high thermal conductivity. | 03-08-2012 |
| 20120035128 | POLYSACCHARIDE DERIVATIVE AND HYDROGEL THEREOF - Disclosed are a polysaccharide derivative obtained by substituting some of the carboxyl groups of a carboxy polysaccharide with —NH—X—CO—Y—Z; and a hydrogel thereof. Here, X is a C | 02-09-2012 |
| 20120032900 | TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL USING THE SAME - Provided is a transparent electroconductive laminate which can prevent the occurrence of Newton rings between two transparent electrode substrates constituting a transparent touch panel. Also provided is a transparent touch panel which comprises the transparent electroconductive laminate. A transparent electroconductive laminate ( | 02-09-2012 |
| 20120016100 | COPOLYCARBONATE AND PROCESS FOR PRODUCING THE SAME - The object of this invention is to provide a copolycarbonate that is excellent in heat resistance, thermal stability and moldability and that uses a renewable resource as a raw material. This invention is a copolycarbonate including 50 to 99 mol % of a carbonate constituent unit (1) of the following formula and 50 to 1 mol % of a carbonate constituent unit (2) derived from an aliphatic diol having a boiling point of 180° C. or higher under reduced pressure of 4×10 | 01-19-2012 |
| 20120015144 | TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - Disclosed is a transparent electroconductive laminate which achieves the required transparency or haze characteristic while having a desirable slipperiness in terms of handleability. Further disclosed is a transparent touch panel having said transparent electroconductive laminate. The transparent laminate ( | 01-19-2012 |
| 20110301121 | HYDROGEL OF POLYSACCHARIDE DERIVATIVE - A nerve dysfunction repairing material including a hydrogel of a polysaccharide derivative that has, in a 0.5 wt % aqueous solution, a complex modulus of 1 to 1000 N/m | 12-08-2011 |
| 20110284795 | GRAPHITIZED SHORT FIBERS AND COMPOSITION THEREOF - Pitch-based graphitized short fibers formed from mesophase pitch as a raw material, having an average fiber diameter of 5 to 20 μm, a percentage (CV value) of a variance of a fiber diameter with respect to the average fiber diameter of 8 to 15%, a number average fiber length of 20 to 500 μm, and a crystallite size (La) derived from a growth direction of a hexagonal net plane of 30 nm or more, having graphene sheets that are closed upon observation of an end surface of a filler with a transmission electron microscope, and a substantially flat surface observed with a scanning electron microscope, and having an R value, which is a relative intensity ratio (I | 11-24-2011 |
| 20110263762 | POLYLACTIC ACID COMPOSITION AND MOLDED ARTICLE THEREOF - A composition comprising polylactic acid and having excellent heat stability, especially moist heat stability, and a molded article thereof. | 10-27-2011 |
| 20110251384 | CYCLIC CARBODIIMIDE COMPOUNDS - A cyclic carbodiimide compound which is useful as an end-sealing agent for polymer compounds. The cyclic carbodiimide compound is represented by the following formula (i): | 10-13-2011 |
| 20110237755 | METHOD OF USING A CYCLIC CARBODIIMIDE - A method of sealing an end of a polymer with a carbodiimide compound without liberating an isocyanate compound. | 09-29-2011 |
| 20110224385 | RESIN COMPOSITION COMPRISING A CYCLIC CARBODIIMIDE - A resin composition which comprises a polyester and is free from a smell produced from a free isocyanate compound. | 09-15-2011 |
| 20110224342 | POLYLACTIC ACID FILM - The polylactic acid film is obtained by melt extruding polylactic acid (A) prepared by melt kneading together polylactic acid (B) which comprises an L-lactic acid unit as the main ingredient and polylactic acid (C) which comprises a D-lactic acid unit as the main ingredient in a specific weight ratio, wherein the polylactic acid film has:
| 09-15-2011 |
| 20110178184 | HYDROGEL - A hydrogel comprising a polysaccharide, wherein amphiphilic side chains are bonded to the carboxyl groups of a polysaccharide with carboxyl groups on side chains, an inorganic ion other than calcium ion, and water, and a method for its preparation. The gel has high viscoelasticity, can be injected into the body using an instrument such as a syringe, and is useful for various biomedical materials. | 07-21-2011 |
| 20110171514 | SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS SECONDARY BATTERY - The present invention is to provide a separator that is excellent in heat resistance, shutdown function, flame retardancy and handling property. The separator for a nonaqueous secondary battery of the invention is a separator for a nonaqueous secondary battery that has a polyolefin microporous membrane at least one surface of which is laminated with a heat resistant porous layer containing a heat resistant resin, and is characterized by containing an inorganic filler containing a metallic hydroxide that undergoes dehydration reaction at a temperature of 200 to 400° C. | 07-14-2011 |
| 20110165469 | SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS SECONDARY BATTERY - A first object of the present invention is to provide a separator including a polyethylene microporous membrane and a heat-resistant porous layer, and that has a sufficient shutdown function and a sufficient heat resistance, and can be formed with a reduced thickness and can overcome the problem of slidability. A first aspect of the present invention is a separator for a non-aqueous secondary battery. The separator includes a microporous membrane of primarily polyethylene, and a heat-resistant porous layer of a primarily heat-resistant polymer formed on at least one surface of the microporous membrane. (1) The microporous membrane has a Gurley number of 25 to 35 sec/100 cc·μm per unit thickness. (2) The heat-resistant porous layer contains inorganic fine particles having an average particle diameter of 0.1 to 1.0 μm. (3) The inorganic fine particles are 40% to 80% in volume with respect to a total volume of the heat-resistant polymer and the inorganic fine particles. (4) The heat-resistant porous layer has a total thickness of 3 to 12 μm. | 07-07-2011 |
| 20110165450 | SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS SECONDARY BATTERY - A first object of the present invention is to provide a separator including a polyethylene microporous membrane and a heat-resistant porous layer, and that has a sufficient shutdown function and a sufficient heat resistance, and can be formed with a reduced thickness and can overcome the problem of slidability. A first aspect of the present invention is a separator for a non-aqueous secondary battery. The separator includes a microporous membrane of primarily polyethylene, and a heat-resistant porous layer of a primarily heat-resistant polymer formed on at least one surface of the microporous membrane. (1) The microporous membrane has a Gurley number of 25 to 35 sec/100 cc·μm per unit thickness. (2) The heat-resistant porous layer contains inorganic fine particles having an average particle diameter of 0.1 to 1.0 μm. (3) The inorganic fine particles are 40% to 80% in volume with respect to a total volume of the heat-resistant polymer and the inorganic fine particles. (4) The heat-resistant porous layer has a total thickness of 3 to 12 μm. | 07-07-2011 |
| 20110160364 | RESIN COMPOSITION, MANUFACTURING METHOD THEREOF, AND MOLDED ARTICLE - To provide a resin composition having high heat resistance with a high melting point and excellent melt stability and hydrolysis resistance, a molded article of the resin composition and a method of manufacturing the resin composition; the resin composition comprises an aromatic polyester (component A) having a butylene terephthalate skeleton as the main constituent unit and polylactic acid (component B) having a melting point of 190° C. or higher. | 06-30-2011 |
| 20110159767 | NONWOVEN FABRIC, FELT AND PRODUCTION PROCESSES THEREFOR - A nonwoven fabric which contains pitch-based carbon fibers having a high elongation and a high elastic modulus which are not attained in the prior art and is obtained by improving the tensile elongation of carbon fibers derived from mesophase pitch, a felt obtained from the nonwoven fabric, and production processes therefore. The nonwoven fabric contains pitch-based carbon fibers, wherein the pitch-based carbon fibers have (i) an average fiber diameter (D | 06-30-2011 |
| 20110143185 | SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY - An object of the present invention is to provide a separator for a nonaqueous secondary battery having excellent heat resistance and excellent ion permeation as well as shut-down properties. The first invention is a separator for a nonaqueous secondary battery, comprising a porous composite membrane which includes a substrate comprising a polyolefin microporous membrane and a heat-resistant porous layer comprising a heat-resistant resin, the heat-resistant porous layer being formed on at least one surface of the substrate, wherein the separator is characterized in that the sheet resistance (A) of the substrate, the Gurley value (B) of the substrate, the sheet resistance (C) of the porous composite membrane, and the Gurley value (D) of the porous composite membrane satisfy a specific relationship. The second invention is characterized in that the heat-resistant porous layer has an average pore size of 0.1 to 0.2 μm as measured by mercury intrusion porosimetry. The third invention is characterized in that the heat-resistant resin fibrils have an average fibril diameter of 10 to 80 nm, and the pores in the heat-resistant porous layer have an average pore size of 50 to 250 nm. | 06-16-2011 |
| 20110140312 | COMPOSITE OF SUPPORT MATRIX AND COLLAGEN, AND METHOD FOR PRODUCTION OF SUPPORT MATRIX AND COMPOSITE - A cylindrical body is produced which is composed of a fiber structure with a basis weight of 1-50 g/m | 06-16-2011 |
| 20110135965 | COPOLYMERIZED AROMATIC POLYESTER, BIAXIALLY ORIENTED POLYESTER FILM, AND MAGNETIC RECORDING MEDIUM - Disclosed are a biaxially oriented polyester film which is excellent in dimensional stability, especially dimensional stability against environmental changes in, for example, temperature and humidity, and a polyester capable of providing the biaxially oriented polyester film with excellent dimensional stability. | 06-09-2011 |
| 20110129505 | CELLULOSE DERIVATIVE AND HYDROGEL THEREOF - The invention is a cellulose derivative wherein some of the carboxyl groups of the cellulose derivative carboxymethylcellulose are replaced with —CO—NH—X—CO—Y—Z, and a hydrogel of the same. In the formula, X is a C1-10 divalent hydrocarbon group, Y is a divalent group derived from polyalkylene oxide having oxygen atoms at both ends, and Z is a C1-24 hydrocarbon group or —CO—R | 06-02-2011 |
| 20110086965 | BORON NITRIDE NANOSHEET, METHOD FOR PRODUCING BORON NITRIDE NANOSHEET THEREOF AND COMPOSITION CONTAINING BORON NITRIDE NANOSHEET THEREOF - A boron nitride nanosheet containing three-layered hexagonal boron nitride, which is in a form of multi-layered hexagonal boron nitride with some its layers peeled, can be produced by dispersing pristine hexagonal boron nitride powder in an organic solvent and by subjecting the fluid dispersion to ultrasonication. | 04-14-2011 |
| 20110060108 | POLYESTER RESIN, PRODUCTION PROCESS THEREFOR, AND BIAXIALLY ORIENTED POLYESTER FILM COMPRISING THE POLYESTER RESIN - A polyester resin having excellent dimensional stability against environmental changes and excellent dimensional stability in the processing step while having excellent moldability and a biaxially oriented polyester film comprising the same. | 03-10-2011 |
| 20110039127 | BIAXIALLY ORIENTED LAMINATED FILM - A biaxially oriented laminated polyester film which has dimensional stability against environmental changes such as temperature and humidity variations and rarely elongates when a load is applied thereto at a high temperature. | 02-17-2011 |
| 20110033705 | CARBON FIBER AND METHOD FOR PRODUCING THE SAME - A carbon fiber having a lattice spacing (d | 02-10-2011 |
| 20110020730 | FILM FOR REINFORCING ELECTROLYTE MEMBRANE OF POLYMER ELECTROLYTE FUEL CELL - An object of the present invention is to provide a biaxially oriented film suitable as a reinforcing member for an electrolyte membrane of a polymer electrolyte fuel cell, the film having excellent hot water resistance in a high-temperature and high-humidity use environment and being capable of maintaining the reinforcing effect for a prolonged period of time. The invention resides in a biaxially oriented film for reinforcing an electrolyte membrane of a polymer electrolyte fuel cell, the film being characterized in that the film (i) contains syndiotactic polystyrene as a major component and (ii) has a Young's modulus in at least one of the machine direction and the transverse direction ranging from 4,500 to 8,000 MPa. | 01-27-2011 |
| 20110005038 | BUTTON MADE OF BIOMASS MATERIAL AND METHOD FOR PRODUCING THE SAME - Provided is a button obtained by using a biomass material. The button has a heat deformation temperature of 160° C. or more, and high quality as follows; excellent in heat resistance, high in strength, excellent in dyeing properties, and also capable of having transparency to semi-transparency and/or glossiness. | 01-13-2011 |
| 20100324220 | RESIN COMPOSITION AND MOLDED ARTICLE - A resin composition comprising an aromatic polyester having a butylene terephthalate skeleton as the main constituent unit (component A), polylactic acid comprising poly(L-lactic acid) and poly(D-lactic acid) (component B), and a modifier (component C), wherein
| 12-23-2010 |
| 20100289762 | TRANSPARENT CONDUCTIVE LAMINATE AND TOUCH PANEL - This invention aims to provide a transparent conductive laminate excellent in sliding durability, edge-writing durability, finger writing durability and light resistance and suitable as a movable electrode substrate for a touch panel. Further, it aims to provide a touch panel using the above transparent conductive laminate. This invention is a transparent conductive laminate that is a laminate formed by laminating a polymer film, a cured resin layer-1 and a transparent conductive layer in this order, the cured resin layer-1 having concavoconvex shapes formed by phase separation of two components and containing no fine particles that impart concavoconvex shapes, and the cured resin layer-1 having an arithmetic average roughness (Ra), measured according to JIS B0601-1994, of 0.05 μm or more but less than 0.5 μm and a ten-point average roughness (Rz), measured according to JIS B0601-1982, of 0.5 μm or more but less than 2.0 μm, and a touch panel using the transparent conductive laminate. | 11-18-2010 |
| 20100283949 | RETARDATION FILM, LAMINATED POLARIZING FILM, AND LIQUID CRYSTAL DISPLAY - The present invention provides a retardation film which can remarkably improve the controllability of retardation, and can also sufficiently control the wavelength dependency of retardation. The retardation film of the present invention can achieve a widening of the viewing angle at a high degree, when it is applied to a liquid crystal display device. Further, the present invention provides a laminated polarizing which comprises the retardation film and enables widening the viewing angle. Furthermore, the present invention provides a liquid crystal display device having high performance, especially a widened viewing angle. The retardation film of the present invention comprises a structural body which simultaneously has form birefringence and molecular-orientation birefringence. Specifically, the retardation film comprises a periodic structure ( | 11-11-2010 |
| 20100260986 | TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - A transparent conductive laminate for obtaining a transparent touch panel improved in the durability in writing which has been required of conventional transparent touch panels and in durability in writing in marginal regions of the transparent touch panel (margin pushing durability). Also provided is a transparent touch panel employing the laminate. The transparent conductive laminate comprises a polymer film and, superposed on at least one side thereof in the following order, a cured resin layer, a transparent conductive layer ( | 10-14-2010 |
| 20100234538 | POLYAMIDE - There are provided fibers having excellent mechanical strength such as tensile strength and elastic modulus and a polyamide that is a raw material of the fibers. The polyamide is a polyamide (X) which mainly comprises recurring units represented by the following formulae (A) and (B): | 09-16-2010 |
| 20100234536 | PLANT COMPONENT-CONTAINING POLYCARBONATE RESIN COMPOSITION - A resin composition comprising 100 parts by weight of a polycarbonate of which a specific ether diol residue constitutes 40-100 mol % and 1-40 parts by weight of polylactic acid, wherein the polylactic acid is composed of a poly-L-lactic acid component and a poly-D-lactic acid component, and wherein in the melting peak derived from the polylactic acid component during temperature increase for measurement with a differential scanning calorimeter (DSC), the proportion of the melting peak area for 195° C. and above is at least 60% of the sum of the melting peak area for 195° C. and above (high temperature) and the melting peak area for 140-180° C. (low temperature), as determined by measurement of the melting peak derived from the polylactic acid component during temperature increase with a differential scanning calorimeter (DSC). | 09-16-2010 |
| 20100227963 | RESIN COMPOSITION, MOLDED ARTICLE, AND PRODUCTION METHODS THEREOF - There are provided a resin composition comprising a polylactic acid which (i) comprises a poly-L-lactic acid (component B-1) and a poly-D-lactic acid (component B-4), (ii) has a weight ratio of the component B-1 to the component B-4 (component B-1/component B-4) of 10/90 to 90/10, and (iii) shows a proportion of melt peaks at 195° C. or higher to all melt peaks in a temperature rising process in measurement by a differential scanning calorimeter (DSC) of at least 20%; a molded article of the resin composition; and methods for producing the resin composition and the molded article. | 09-09-2010 |
| 20100222544 | POLYAZOLE FIBER AND PROCESS FOR THE PRODUCTION THEREOF - This invention seeks to provide a fiber formed of an aromatic polyazole that has a high molecular weight and is excellent in mechanical properties such as elastic modulus, strength, etc., and a process for the production thereof. | 09-02-2010 |
| 20100216914 | POLYCARBONATE CONTAINING PLANT-DERIVED COMPONENT AND PROCESS FOR THE PREPARATION THEREOF - A process for the preparation of a polycarbonate containing a plant-derived component excellent in hue by using a plant-derived anhydrosugar alcohol represented by the following formula (1) or a composition thereof as a raw material: | 08-26-2010 |
| 20100190037 | BIAXIALLY ORIENTED LAMINATED FILM - It is an object of the present invention to provide a biaxially oriented laminated polyester film which has excellent dimensional stability to environmental changes such as temperature and humidity variations and excellent flatness and windability. | 07-29-2010 |
| 20100184884 | FLAME-RETARDANT POLYCARBONATE RESIN COMPOSITION - There is provided a resin composition that comprises a polycarbonate resin derived from an ether diol such as isosorbide and that is excellent in flame retardancy, heat resistance, thermal stability, rigidity, transparency and moldability. | 07-22-2010 |
| 20100182694 | FILM - A film made of a resin composition which includes polylactic acid (component A) composed of poly(L-lactic acid) and poly(D-lactic acid) and acrylic resin (component B) and has a crystal melting peak at 190° C. or higher when measured by a scanning differential calorimeter (DSC). The film has a small change in birefringence caused by external force, excellent dimensional stability at the time of heating and a small change in birefringence caused by heat stress. | 07-22-2010 |
| 20100179286 | POLYCARBONATE RESIN COMPOSITION - A polycarbonate resin composition, which comprises a plant-derived component, has improved properties such as improved moldability, biodegradability, water-absorbing property, impact resistance, melt flow characteristics, density, transparency and the like, exhibits less environmental load and is excellent in recycling efficiency is disclosed. The polycarbonate resin composition of the present invention comprises 30 to 95 parts by weight of component A (a polycarbonate comprising a plant-derived component) and 5 to 70 parts by weight of component B (an acrylate resin, a biodegradable resin, an aromatic polyester, a polyolefin or a rubber-modified styrene resin) (provided that the total of the component A and the component B is 100 parts by weight). | 07-15-2010 |
| 20100178544 | POLYOLEFIN MICROPOROUS MEMBRANE BASE FOR NONAQUEOUS SECONDARY BATTERY SERARATOR, METHOD FOR PRODUCING THE SAME, NONAQUEOUS SECONDARY BATTERY SEPARATOR AND NONAQUEOUS SECONDARY BATTERY - A nonaqueous secondary battery separator is provided that is excellent in heat resistance, shutdown characteristics, membrane resistance and handling property. The present invention is a polyolefin microporous membrane used for a nonaqueous secondary battery separator containing the polyolefin microporous membrane at least one surface of which is coated and integrated with a heat resistant porous layer, characterized in that the membrane has (A) a thickness of 5 to 20 μm, (B) a porosity of 35 to 50%, (C) an air permeability per unit thickness (JIS P8117) of 10 to 30 sec/100 cc·μm and a total air permeability of the membrane (JIS P8117) of 400 sec/100 cc or less, and (D) Y/X of 1×10 | 07-15-2010 |
| 20100178483 | INSULATING FILM - An object of the present invention is to provide an insulating film having a high breakdown voltage and excellent heat resistance and handling properties. | 07-15-2010 |
| 20100173187 | SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS SECONDARY BATTERY - The present invention is to provide a separator that is excellent in heat resistance, shutdown function, flame retardancy and handling property. The separator for a nonaqueous secondary battery of the invention is a separator for a nonaqueous secondary battery that has a polyolefin microporous membrane at least one surface of which is laminated with a heat resistant porous layer containing a heat resistant resin, and is characterized by containing an inorganic filler containing a metallic hydroxide that undergoes dehydration reaction at a temperature of 200 to 400° C. | 07-08-2010 |
| 20100160597 | MANUFACTURING APPARATUS OF POLYLACTIC ACID AND MANUFACTURING METHOD OF POLYLACTIC ACID - A manufacturing apparatus of polylactic acid having at least an inlet and an outlet of a substance to be reacted and an exhaust port provided in a horizontal reaction vessel not having continuous rotating shafts in a direction of center line of a rotating shaft of a stirring blade provided in the reaction vessel and a manufacture method. By removing low molecular weight substance in the polylactic acid, high-quality polylactic acid can be stably manufactured. | 06-24-2010 |
| 20100143783 | NONAQUEOUS SECONDARY BATTERY SEPARATOR AND PROCESS FOR ITS FABRICATION - This invention provides a separator for a nonaqueous rechargeable battery comprising a composite porous membrane that has both a shutdown function and heat resistance good enough to be effective for the suppression of meltdown, desired in a high-performance nonaqueous rechargeable battery having increased energy density, increased output, and increased size, and can realize a separator for a nonaqueous rechargeable battery having excellent handling properties and ion permeability. The composite porous membrane comprises a polyolefin microporous membrane having an air permeability per thickness of not less than 15 sec/100 cc·μm and not more than 50 sec/100 cc·μm (JIS P 8117) and a membrane thickness of not less than 5 μm and not more than 25 μm and a porous layer formed of poly-m-phenylene isophthalamide covering and integrated with both sides of the polyolefin microporous membrane. The composite porous membrane is characterized in that the composite porous membrane has a thickness of not less than 6 μm and not more than 35 μm and an air permeability (JIS P 8117) of not less than 1.01 times and not more than 2.00 times that of the polyolefine microporous membrane, and the coverage of poly-m-phenylene isophthalamide is not less than 1.0 g/m | 06-10-2010 |
| 20100143680 | BIAXIALLY DRAWN MULTILAYER LAMINATED FILM AND METHOD FOR PRODUCING THE SAME - A film composed of a number of layers having different refractive indices and alternately laminated one upon another has characteristic optical properties by light interference. Conventional films having such structure have problems of poor interlaminar adhesivity and low tear strength. The problems are solved by a film having the following constitution. A biaxially drawn multilayer laminated film is composed of alternately laminated 1st layers and 2nd layers at a total layer number of 11 or more. Each layer has a thickness of 0.05 to 0.5 μm. The 1st layer is made of a crystalline thermoplastic resin and the 2nd layer is made of a crystalline thermoplastic resin having a composition different from that of the resin constituting the 1st layer. The maximum light reflectance of the film within the wavelength range of 350 to 2,000 nm is higher than the base line reflectance obtained from a light reflectance curve within the wavelength range of 350 to 2,000 nm by 20% or more. | 06-10-2010 |
| 20100130676 | POLYLACTIC ACID COMPOSITION AND FIBER THEREOF - A polylactic acid composition wherein a ratio (L/D) of an L-lactic acid unit and a D-lactic acid unit is from 30/70 to 70/30; a weight average molecular weight (Mw) is from 100,000 to 300,000; a stereocomplex crystal content (S) is 80% or more; a melting point (Tm) of a stereocomplex crystal is 200° C. or higher; and a degree of randomization (R) is from 0.001 to less than 2.5%, and a fiber thereof. | 05-27-2010 |
| 20100129452 | CELLULOSE DERIVATIVE AND METHOD FOR PRODUCTION THEREOF - The invention provides a cellulose derivative having a repeating unit of the formula below, a composition including the cellulose derivative and a phospholipid, a method for production thereof, and an adhesion barrier including the cellulose derivative or the composition. | 05-27-2010 |
| 20100120991 | POLYLACTIC ACID COMPOSITION - It is an object of the present invention to provide a composition comprising polylactic acid and having improved injection moldability and an injection molded product thereof. | 05-13-2010 |
| 20100120967 | POLYESTER, AND COMPOSITION AND FILM COMPRISING THE SAME - An object of the present invention is to provide a polyester film having excellent dimensional stability to temperature and humidity. | 05-13-2010 |
| 20100108276 | BORON NITRIDE-BASED FIBER PAPER AND MANUFACTURING PROCESS THEREOF - A boron nitride fiber paper having a very small fiber diameter and exhibiting excellent heat resistance, mechanical properties and heat conductivity. The fiber paper is composed of a fiber assembly which contains boron nitride fibers having a fiber diameter of not more than 1 μm in an amount of not less than 40 wt %. | 05-06-2010 |
| 20100105854 | TERMINAL MODIFIED POLYCARBONATE AND MANUFACTURING PROCESS THEREOF - A terminal modified polycarbonate having a high content of biogenic matter, excellent heat resistance, heat stability, moldability and moist absorption resistance and high surface energy and a manufacturing process thereof. | 04-29-2010 |
| 20100104846 | PITCH-BASED CARBON FIBERS, AND MANUFACTURING METHOD AND MOLDED PRODUCT THEREOF - An object of the present invention is to provide carbon fibers which have a high conductivity, readily form a network in a matrix and are suitable for use in a radiating member as well as a molded product thereof. The present invention is pitch-based carbon fibers which are obtained from mesophase pitch and have an average fiber diameter (AD) of 5 to 20 μm, a ratio (CV | 04-29-2010 |
| 20100093889 | POLYLACTIC ACID COMPOSITION - An object of the present invention is to provide a composition containing polylactic acid and having improved blow moldability and a blow molded product thereof. | 04-15-2010 |
| 20100093888 | POLYLACTIC ACID COMPOSITION - It is an object of the present invention to provide a polylactic acid composition having excellent crystallinity, wet heat stability and melt stability. It is another object of the present invention to provide a molded article which is obtained from the polylactic acid composition and excellent in appearance and color. The present invention is a composition and molded article thereof which comprises a polylactic acid (component A), a carbodiimide compound (component B) and a phosphoric acid ester metal salt (component C). | 04-15-2010 |
| 20100075838 | CERAMIC FIBER AND METHOD FOR PRODUCTION OF CERAMIC FIBER - There is provided a method for production of ceramic fibers that have small fiber diameters and adequate photocatalytic activity even when exposed to high-temperature environments, the method providing cost advantages and a safe production environment. Specifically, a composition containing titanium atoms, silicon atoms and aluminum atoms is used for production of a fiber aggregate from the composition by electrospinning, followed by calcination to obtain ceramic fiber with a mean fiber diameter of between 50 nm and 1000 nm. | 03-25-2010 |
| 20100068612 | SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, PROCESS FOR PRODUCING SAME, AND NON-AQUEOUS SECONDARY BATTERY - A first object of the present invention is to provide a separator including a polyethylene microporous membrane and a heat-resistant porous layer, and that has a sufficient shutdown function and a sufficient heat resistance, and can be formed with a reduced thickness and can overcome the problem of slidability. A first aspect of the present invention is a separator for a non-aqueous secondary battery. The separator includes a microporous membrane of primarily polyethylene, and a heat-resistant porous layer of a primarily heat-resistant polymer formed on at least one surface of the microporous membrane. (1) The microporous membrane has a Gurley number of 25 to 35 sec/100 cc·μm per unit thickness. (2) The heat-resistant porous layer contains inorganic fine particles having an average particle diameter of 0.1 to 1.0 μm. (3) The inorganic fine particles are 40% to 80% in volume with respect to a total volume of the heat-resistant polymer and the inorganic fine particles. (4) The heat-resistant porous layer has a total thickness of 3 to 12 μm. | 03-18-2010 |
| 20100068496 | PITCH-BASED CARBON FIBER, WEB AND RESIN MOLDED PRODUCT CONTAINING THEM - To provide a carbon fiber reinforcement having excellent thermal conductivity and mechanical properties which is manufactured by mixing together two different types of pitch-based carbon short fibers having a ratio of the degree of filament diameter distribution to average fiber diameter of 0.05 to 0.2 and a fiber length of 20 to 6,000 μm which differ from each other in average fiber diameter or by mixing one of them with a pitch-based carbon fiber web to improve dispersibility into a matrix resin or increase the dispersion ratio of the pitch-based carbon short fibers. | 03-18-2010 |
| 20100048854 | POLYCARBONATE RESIN AND MANUFACTURING PROCESS THEREOF - A polycarbonate resin which shows a high content of biogenic matter and has excellent heat resistance, heat stability and moldability, and a manufacturing process thereof. The polycarbonate resin contains a recurring unit represent by the following formula (1) as the major constituent, and has (i) a specific viscosity of a solution prepared by dissolving 0.7 g of the resin in 100 ml of methylene chloride at 20° C. of 0.20 to 0.45, (ii) a glass transition temperature (Tg) of 150 to 200° C., and (iii) a 5% weight loss temperature (Td) of 330 to 400° C. | 02-25-2010 |
| 20100045902 | POLARIZING ELEMENT AND LIQUID CRYSTAL DISPLAY DEVICE - A polarizing element is provided that can serve as a reflective polarizing element, can be produced with relative ease, and is not problematic in terms of strength. Further, the polarizing element can maintain the intensity and the propagation direction of the light that has passed through the polarizing element. Further, a liquid crystal display device is provided that can use light with improved efficiency with the use of the polarizing element. Specifically, the polarizing element includes a plurality of specifically angled, polygonal prisms on a surface of a substantially uniaxial sheet having an in-plane optical axis, and an optically transparent resin layer having a refractive index substantially the same as the fast-axis refractive index of the sheet, and that coats the prisms. | 02-25-2010 |
| 20100016539 | AROMATIC POLYESTER AND MANUFACTURING PROCESS THEREOF - To provide an aromatic polyester which is formed into a film having excellent heat resistance, color, mechanical properties, dimensional stability and gas barrier properties and a manufacturing process thereof;
| 01-21-2010 |
| 20100006150 | DYE-SENSITIZED SOLAR CELL, AND ELECTRODE AND LAMINATED FILM FOR THE SAME - A laminated film comprising a porous semiconductor layer, a transparent conductive layer and a transparent plastic film, wherein
| 01-14-2010 |
| 20100004404 | POLYLACTIC ACID AND METHOD OF PRODUCING THE SAME - A method of producing a stereocomplex polylactic acid having a high melting point and a high molecular weight, wherein only stereocomplex crystals are grown even when melting and crystallization are repeated. | 01-07-2010 |
| 20100004362 | POLYLACTIC ACID FIBER AND MANUFACTURING METHOD THEREOF( as amended - An object of the present invention is to provide a fiber made of polylactic acid and having excellent strength, heat resistance and heat shrinkage resistance and a manufacturing method thereof. | 01-07-2010 |
| 20090315849 | TRANSPARENT CONDUCTIVE MULTILAYER BODY AND TOUCH PANEL MADE OF THE SAME - A transparent conductive multilayer body includes a cured resin layer, a first transparent conductive layer, and a second transparent conductive layer sequentially laminated on at least one surface of a polymer film. The first transparent conductive layer is a crystalline transparent conductive layer free of an organic component. The second transparent conductive layer contains alkoxysilane, and at least one kind of fine particles A formed of conductive fine particles of metal oxide or metal having an average primary particle diameter of 100 nm or less. | 12-24-2009 |
| 20090270586 | PLANT-DERIVED COMPONENT-CONTAINING POLYCARBONATES AND PROCESS FOR THEIR PRODUCTION - The object of the invention is to provide plant-derived component-containing polycarbonates with improved color tone, and a process for their production. | 10-29-2009 |
| 20090252897 | POLARIZING PLATE AND METHOD FOR PRODUCING THE SAME - The present invention is to provide a polarizing plate having a retardation function while having excellent environmental resistance. The invention is concerned with a polarizing plate including a polarizer having, on at least one surface thereof, a protective film having a function as a retardation film via an adhesive layer, wherein the adhesive layer is formed of an adhesive containing a polyurethane; and the protective film is composed of a polycarbonate based resin or an amorphous polyolefin resin having a glass transition temperature in the range of from 100° C. to 180° C., which is a copolymer containing an ethylene unit represented by the following formula (E) and a cyclic olefin unit represented by the following formula (F): | 10-08-2009 |
| 20090250655 | HEAT-CONDUCTIVE ADHESIVE - The invention provides a heat-conductive adhesive with high heat spread properties and excellent handleability. A pitch-based carbon fiber filler with high thermal conductivity and a smooth surface is combined with an adhesive resin to produce a heat-conductive adhesive with controlled viscosity and excellent handleability. | 10-08-2009 |
| 20090237789 | TRANSPARENT SHEET - The transparent sheet of the invention is used in a display device which comprises at least one transparent body and a retardation film, where reflection of display light from the display light source onto the transparent sheet forms an image of the display light in the forward field of vision of the observer and renders it visible to the observer, the retardation film being positioned with specified conditions. It is thereby possible to obtain a display device with high display quality and minimal double images. The display device used may be, for example, a HUD for display of information in the forward field of vision of a vehicle, ship or the like. | 09-24-2009 |
| 20090233092 | Carbon Fiber Composite Sheet - A carbon fiber composite sheet obtained by combining a carbon fiber aggregate with a thermosetting resin component selected from the group consisting of thermosetting silicone-based gel components, thermosetting epoxy resin components and thermosetting silicone resin components, and then curing the thermosetting resin component, the carbon fiber composite sheet having crystallite sizes of at least 5 nm in the direction of growth of the hexagonal mesh surface of the carbon fibers composing the carbon fiber aggregate, and the carbon fiber composite sheet having a thermal conductivity of at least 2 W/(m·K). | 09-17-2009 |
| 20090231520 | LAMINATED POLARIZING FILM, PHASE RETARDATION FILM, AND LIQUID CRYSTAL DISPLAY DEVICE - A laminated polarizing film that is capable of enhancing a viewing angle of a liquid crystal display device, particularly in an IPS mode, is provided. The laminated polarizing film can be obtained by adhering a phase retardation film and a polarizing film by a roll-to-roll process. Specifically, the laminated polarizing film contains a negative substantially uniaxial optical film containing a thermoplastic polymer having a negative molecular polarizability anisotropy, a positive optical film containing a thermoplastic polymer having a positive molecular polarizability anisotropy, and a polarizing film, that are laminated at least in this order, a slow axis within a film plane of the negative substantially uniaxial optical film and a slow axis within a film plane of the positive optical film are substantially in parallel to each other, and each are substantially perpendicular to an absorption axis of the polarizing film, a positional relationship between a principal orientation direction of polymer main chains of the negative substantially uniaxial optical film and the absorption axis of the polarizing film is substantially in parallel, and a positional relationship between a principal orientation direction of polymer main chains of the positive optical film and the absorption axis of the polarizing film is substantially perpendicular. | 09-17-2009 |
| 20090221734 | RESIN COMPOSITION AND PROCESS FOR THE PRODUCTION THEREOF - The object of this invention is to provide a polyamide resin composition excellent in insulating properties, mechanical properties and dimensional stability. This invention is a resin composition containing 100 parts by weight of a polyamide resin and 0.01 to 50 parts by weight of boron nitride nanotubes. The invention also includes a formed article from the resin composition and processes for the production of the resin composition and the formed article. | 09-03-2009 |
| 20090208744 | Ceramic fiber and process for producing the same - A ceramic fiber having an average fiber diameter of from 50 to 1000 nm, a fiber length of 100 μm or more, and a BET specific surface area of from 0.1 to 10 m | 08-20-2009 |
| 20090128745 | POLARIZING PLATE - A polarizing plate comprising (a) a layer composed of a plurality of polyvinyl alcohol fibers adsorbing a dichroic pigment and having an aspect ratio of 10 or more, which are arranged in a planar form in one direction, or the above layer (a) and (b) a layer composed of a plurality of fibers having an aspect ratio of 10 or more and a difference between the refractive index of fiber in long axis and the refractive index of fiber in short axis of 0.05 or more and not adsorbing a dichroic pigment, which are arranged in a planar form in one direction, and/or (b′) a plurality of fibers having an aspect ratio of 10 or more and a difference between the refractive index of fiber in long axis and the refractive index of fiber in short axis of less than 0.05 and not adsorbing a dichroic pigment, which are arranged in a planar form in one direction, and (c) an optically transparent resin. | 05-21-2009 |
| 20090127735 | DOPE AND PROCESS FOR THE PRODUCTION OF FIBER FROM THE DOPE - The object of this invention is to provide a dope that has excellent formability and can be formed into a fiber, a film, pulp-shaped particles and the like by a wet method. The object of this invention is also to provide a process for the production of a fiber excellent in heat resistance, strength and elastic modulus. | 05-21-2009 |
| 20090088505 | MOLDING DOPE - The object of this invention is to provide a dope containing a polyamide having a hydroxyl-group-possessing aromatic ring, which exhibits optical anisotropy and has excellent formability, and the dope contains a polymer having a recurring unit of the following formula (I), | 04-02-2009 |
| 20090076530 | SCAFFOLD - To provide a scaffold having excellent mechanical strength and cell growth capability and is suitable for use as a cell culture medium or a prosthetic material. | 03-19-2009 |
| 20090075054 | PITCH-BASED CARBON FIBER, WEB AND RESIN MOLDED PRODUCT CONTAINING THEM - To provide a carbon fiber reinforcement having excellent thermal conductivity and mechanical properties which is manufactured by mixing together two different types of pitch-based carbon short fibers having a ratio of the degree of filament diameter distribution to average fiber diameter of 0.05 to 0.2 and a fiber length of 20 to 6,000 μm which differ from each other in average fiber diameter or by mixing one of them with a pitch-based carbon fiber web to improve dispersibility into a matrix resin or increase the dispersion ratio of the pitch-based carbon short fibers. | 03-19-2009 |
| 20090068466 | TITANIA FIBER AND METHOD FOR MANUFACTURING TITANIA FIBER - A titania fiber which is excellent in a balance between a BET specific surface area and which is able to reveal sufficient photocatalytic activity while having mechanical strength and a method for manufacturing the subject titania fiber are provided. By using a titanium oxide particle-containing as a fiber forming composition for forming a titania fiber, a fiber aggregate is manufactured from the subject composition by an electrospinning method and then baked, thereby obtaining a titania fiber which has an average fiber diameter of 50 nm or more and not more than 1,000 nm; when a reflection method by a goniometer is employed, has a crystallite size of 50 nm or more and not more than 200 nm; and has a BET specific surface area of 3 m | 03-12-2009 |
| 20090062437 | POLYLACTIC ACID COMPOSITION - It is an object of the present invention to provide a composition which contains polylactic acid and has excellent heat stability, mechanical strength and color. | 03-05-2009 |
| 20090061193 | CARBON FIBER COMPOSITE SHEET, USE THEREOF AS A HEAT CONDUCTOR AND PITCH-BASED CARBON FIBER WEB SHEET FOR USE IN THE SAME - A carbon fiber composite sheet comprising a pitch-based carbon fiber web and a matrix resin, wherein
| 03-05-2009 |
| 20090061192 | REFLECTIVE SHEET AND PRODUCTION METHOD THEREOF - There is provided a reflective sheet made of self-sustaining porous sheet which comprises inert particles and a polyolefin and which has a porosity of 30 to 95% and a reflectivity at a wavelength of 550 nm of 60 to 120%. This reflective sheet can be reduced in thickness and weight while retaining sufficient reflectivity. | 03-05-2009 |
| 20080287544 | Method for Screening Substance by Measuring PPAR DELTA Activating Effect and Agent - The present invention provides a method for screening a substance having a thermogenesis enhancing effect containing a compound having an effect activating PPARδ, an agent containing the compound, and an agent having antidiabetic, antiobestic or visceral accumulated fat-lowering function. | 11-20-2008 |
| 20080272520 | NONWOVEN FABRIC AND PROCESS FOR PRODUCING THE SAME - A process for production of a nonwoven fabric, which comprises a step wherein a thermoplastic polymer is dissolved in a mixed solvent composed of a volatile good solvent and a volatile poor solvent, a step wherein the resulting solution is spun by an electrospinning method and a step wherein a nonwoven fabric accumulated on a collecting sheet is obtained, is employed to provide a nonwoven fabric having a surface area sufficiently large as a matrix for cell culturing in the field of regenerative medicine, with large gaps between filaments and a low apparent density suitable for cell culturing. | 11-06-2008 |
| 20080219973 | Pharmaceutical Composition Having Inhibitory Effect on Overproduction and Accumulation of Extracellular Matrix - A pharmaceutical composition having an inhibitory effect on the overproduction and the accumulation of extracellular matrix, said composition comprising as an active ingredient a compound that inhibits the biological activity of galectin-3, which pharmaceutical composition can serve as a therapeutic or preventive agent for glomerular nephritis, diabetic nephropathy or tissue fibrosis, as well as the use of said compound for the production of pharmaceuticals for the above-mentioned use, and a method for inhibition of the overproduction and accumulation of the extracellular matrix. | 09-11-2008 |