| Mitsubishi Gas Chemical Company, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20220298300 | METHOD FOR PRODUCING POLYCARBONATE RESIN, AND MOLDED BODY - The present application addresses the problem of providing a new method for producing a polycarbonate resin having excellent properties. This problem has been solved by providing a method for producing a polycarbonate resin containing a constituent unit derived from an aromatic dihydroxy compound represented by formula (1). The method includes polymerizing the aromatic dihydroxy compound represented by formula (1). During the polymerization, a raw material substance is used in which the concentration of compounds represented by formula (2), which are impurities, is 80 ppm or less relative to the total weight of the aromatic dihydroxy compound represented by formula (1) and the compounds represented by formula (2). (In formula (1) and formula (2), R | 09-22-2022 |
| 20220289975 | POLYIMIDE RESIN COMPOSITION AND MOLDED BODY - A polyimide resin composition containing a polyimide resin (A) and a fluororesin (B), wherein the polyimide resin (A) contains a repeating structural unit represented by the following formula (1) and a repeating structural unit represented by the following formula (2), a content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural unit of the formula (1) and the repeating structural unit of the formula (2) is 20 to 70 mol %, and the fluororesin (B) has a weight loss percentage measured using a differential scanning calorimeter after heating from 100° C. to 450° C. at a heating rate of 10° C./min in an air atmosphere of 1% or less: | 09-15-2022 |
| 20220289906 | POLYCARBONATE RESIN COMPOSITION - The present application provides a polycarbonate-based coating resin composition having high adhesiveness, more specifically provides a polycarbonate resin composition that contains not less than 0.1 parts by mass of a polyisocyanate compound and 100 parts by mass of a terminal-modified polycarbonate resin (A) having a structural unit (2) and a terminal structure represented by structural formula (1). [In formula (1) and formula (2), R | 09-15-2022 |
| 20220289905 | POLYCARBONATE RESIN COMPOSITION - The present application provides a polycarbonate-based coating resin composition which exhibits high adhesiveness. The above are achieved by a polycarbonate resin composition which contains (A) a polycarbonate resin that contains a constituent unit represented by general formula (1) and a terminal structure represented by general formula (2) and (B) a polyisocyanate compound, wherein 0.1% by mass or more of the polyisocyanate compound (B) is contained on the basis of the total mass of the polycarbonate resin (A) and the polyisocyanate compound (B). (In formula (1) and formula (2), R | 09-15-2022 |
| 20220289579 | METHOD FOR PRODUCING HALOGENATED CARBONYL - The objective of the present invention is to provide a method for producing a halogenated carbonyl safely and efficiently. The method for producing a halogenated carbonyl according to the present invention is characterized in comprising the step of applying ultrasound to a composition containing a C | 09-15-2022 |
| 20220285172 | COMPOSITION FOR REMOVING PHOTORESIST - The present invention provides: an aqueous composition capable of removing a photoresist from a printed wiring board or a semiconductor wafer while preventing corrosion of tin plating and tin alloy plating in addition to a copper wiring; and a method for removing a photoresist using the aqueous composition. The aqueous composition according to the present invention is characterized by comprising an alkanolamine (A), a quaternary ammonium hydroxide (B), a sugar alcohol (C), a polar organic solvent (D), and water (E), wherein, with respect to the total amount of the composition, the content of the alkanolamine (A) is 2.5-50 mass %, the content of the quaternary ammonium hydroxide (B) is 0.5-4 mass %, and the content of the sugar alcohol (C) is 0.5-20 mass %. | 09-08-2022 |
| 20220282038 | RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION - A polyester carbonate resin is provided, which includes a structural unit derived from a compound represented by general formula (1), a structural unit derived from a compound represented by general formula (2), a structural unit derived from a dicarboxylic acid or a derivative thereof, and a structural unit derived from a carbonic acid diester. The polyester carbonate can be used, e.g., in optical systems. | 09-08-2022 |
| 20220282023 | URETHANE RESIN - There is provided a urethane resin that is excellent in adhesive strength, and maintains high adhesive strength even after exposure to high temperature and humidity. A urethane resin obtained by reacting a glycol-modified aromatic hydrocarbon-formaldehyde resin (A) modified with a glycol with a polyisocyanate (B) having two or more free isocyanate groups in a molecule. | 09-08-2022 |
| 20220274909 | METHOD FOR PRODUCING ALPHA-ACYLOXYCARBOXYLIC ACID ESTER - A method for producing an α-acyloxycarboxylic acid ester of Formula (1) is described. The method involves reacting an α-hydroxycarboxylic acid ester compound with an acylating agent in the presence of a catalyst comprising an iron halide compound. R | 09-01-2022 |
| 20220274384 | TRANSPARENT RESIN MULTILAYER BODY, AND TRANSPARENT SUBSTRATE MATERIAL AND TRANSPARENT PROTECTIVE MATERIAL EACH USING SAME - A resin layered body includes a polycarbonate-based resin (A); a thermoplastic resin (B) on at least one surface of the polycarbonate-based resin (A); and a hard coating layer on a surface of the thermoplastic resin (B) on at least one side, wherein the polycarbonate-based resin (A) has a glass-transition temperature from 115° C.-140° C., the thermoplastic resin (B) includes a methacrylic resin (C) and a styrene copolymer (D), a content of the methacrylic resin (C) is from 5-70 parts by mass and a content of the styrene copolymer (D) is from 95-30 parts by mass based on 100 parts by mass of a total content of the methacrylic resin (C) and the styrene copolymer (D), and the styrene copolymer (D) includes a vinyl aromatic monomer unit (d1) in an amount of from 68-84 mass % and a cyclic acid anhydride monomer unit (d2) in an amount of from 16-32 mass %. | 09-01-2022 |
| 20220259373 | POLYCARBONATE RESIN - Provided is a polycarbonate resin having a structural unit (I) represented by formula (1) below: | 08-18-2022 |
| 20220252979 | PHOTOSENSITIVE RESIN COMPOSITION AND CURED FILM THEREOF - A photosensitive resin composition including a polyimide resin (A) having a specific structure and a weight average molecular weight of 70000 or less is provided. | 08-11-2022 |
| 20220251714 | COMPOSITION, METHOD FOR ROUGHENING STAINLESS STEEL SURFACE USING SAME, ROUGHENED STAINLESS STEEL, AND METHOD FOR PRODUCING SAID ROUGHENED STAINLESS STEEL - The present invention provides: a composition with which the surface of a stainless steel is sufficiently roughened in an efficient manner with few steps; a method for roughening a stainless steel; and the like. The above are achieved by means of a composition for roughening the surface of a stainless steel, said composition containing from 0.1% by mass to 25% by mass of one or more substances that are selected from the group consisting of persulfuric acid and persulfuric acid salts based on the total amount of the composition, and from 1% by mass to 30% by mass of halide ions based on the total amount of the composition. | 08-11-2022 |
| 20220251294 | POLYESTER RESIN, AND MOLDED ARTICLE, STRETCHED FILM AND BOTTLE COMPRISING THE SAME - A polyester resin contains a dicarboxylic acid constituent unit and a diol constituent unit, wherein more than 0% by mol and 20% by mol or less of the diol constituent unit is a unit originated from a diol having a cyclic acetal skeleton; 70 to 98% by mol of the diol constituent unit is a unit originated from a diol having an alicyclic skeleton; the diol constituent unit comprises a unit originated from ethylene glycol; 80% by mol or more of the dicarboxylic acid constituent unit is a unit originated from terephthalic acid; and the polyester resin has a physical property indicated by the following (A): (A) the minimum value of the semi-crystallization time is 600 s or less based on a depolarized light intensity method when the polyester resin is melted at 280° C. and crystallized at a constant temperature of 150 to 230° C. | 08-11-2022 |
| 20220251022 | METHOD FOR PRODUCING AROMATIC AMINOMETHYL - A method for producing an aromatic aminomethyl, comprising hydrogenating an aromatic nitrile in a mixed solvent comprising a hydrocarbon solvent and a polar organic solvent having a solubility parameter (SP value) of 10 or more in the presence of a quaternary ammonium compound and a hydrogenation catalyst. | 08-11-2022 |
| 20220243035 | COMPOSITION AND METHOD FOR PRODUCING CELLULOSE FIBER - Provided is a cellulose solution (a composition) in which decomposition of cellulose does not easily proceed even if heated. Further, provided is a method for producing a cellulose fiber excellent in mechanical strength. The composition includes cellulose and a compound represented by the following formula (1), a concentration of 1-methylimidazolium chloride being 300 ppm or less on a mass basis with respect to the compound represented by the formula (1). | 08-04-2022 |
| 20220243008 | THERMOPLASTIC RESIN, METHOD FOR MANUFACTURING SAME, AND OPTICAL LENS - Crystalline solvate forms and amorphous forms of 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl, where the organic solvent is selected from methanol, toluene, and methyl ethyl ketone, and an amorphous form of 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl having a purity of at least 99.0% by weight, based on organic matter. Thermoplastic resins containing a structural unit derived from 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl. Optical lenses containing the thermoplastic resins containing a structural unit derived from 6,6′-diphenyl-2,2′-bis(2-hydroxyethoxy)-1,1′-binaphthyl. | 08-04-2022 |
| 20220226799 | OXYGEN SCAVENGER COMPOSITION AND PRODUCTION METHOD FOR SAME - An oxygen scavenger composition including a mixed granule that includes a water retention agent, a swelling agent, a metal salt, water, and iron, as well as a method for producing the oxygen scavenger composition, the method including: collectively mixing a water retention agent, a swelling agent, a metal salt, water, and iron for granulation. | 07-21-2022 |
| 20220213269 | POLYIMIDE RESIN COMPOSITION - A polyimide resin composition includes a polyimide resin (A) including a repeating structural units of formulas (1) and (2). The content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural units of the formulas (1) and (2) is 20 to 70 mol %. The polyimide resin composition further includes a fatty acid metal salt (B) including a fatty acid having 12 to 36 carbon atoms and optionally having a hydroxy group and at least one of an alkali metal, an alkaline earth metal, and a transition metal: | 07-07-2022 |
| 20220204810 | RESIN COMPOSITION, RESIN SHEET, MULTILAYER PRINTED WIRING BOARD, AND SEMICONDUCTOR DEVICE - The resin composition of the present invention contains a maleimide compound (A) represented by the following formula (1); and a photo initiator (B) having an absorbance of 0.1 or more at a wavelength of 405 nm (h-line). | 06-30-2022 |
| 20220204754 | POLYESTER RESIN COMPOSITION, POLYESTER-BASED INJECTION-MOLDED ARTICLE, POLYESTER-BASED EXTRUDED ARTICLE, POLYESTER-BASED FOAM, POLYESTER-BASED CONTAINER, POLYESTER-BASED BOTTLE, POLYESTER-BASED TABLEWARE, AND POLYESTER-BASED NURSING BOTTLE - The present application relates to a polyester resin composition that includes a polyester resin having a predetermined composition and a polycarbodiimide in a predetermined amount that exhibits heat resistance, transparency and impact resistance and prevents embrittlement after heat treatment. The present application also relates to a polyester-based injection-molded article, a polyester-based extruded article, a polyester-based foam, a polyester-based container, a polyester-based bottle, a polyester-based tableware, and a polyester-based nursing bottle. | 06-30-2022 |
| 20220204695 | RESIN COMPOSITION, RESIN SHEET, MULTILAYER PRINTED WIRING BOARD, AND SEMICONDUCTOR DEVICE - The resin composition of the present invention is a resin composition containing: a bismaleimide compound (A) containing a constituent unit represented by the following formula (1) and maleimide groups at both ends of the molecular chain; a compound (B) containing one or more carboxy groups; and a photo initiator (C). | 06-30-2022 |
| 20220204694 | RESIN COMPOSITION, RESIN SHEET, MULTILAYER PRINTED WIRING BOARD, AND SEMICONDUCTOR DEVICE - A resin composition of the present invention is a resin composition containing a bismaleimide compound (A) containing a constituent unit represented by the following formula (1), and maleimide groups at both ends of the molecular chain, at least one resin or compound (B) selected from the group consisting of a maleimide compound other than the bismaleimide compound (A), a cyanate compound, a benzoxazine compound, an epoxy resin, a carbodiimide compound, and a compound having an ethylenically unsaturated group, and a photo initiator (C): | 06-30-2022 |
| 20220203600 | ALIPHATIC POLYESTER COPOLYMER - An object of the present invention is to provide a stretchable polyester having shape followability and flexibility by elastic response and being able to suppress deterioration over time due to secondary crystallization. The present invention provides a stretchable polyester which is an aliphatic copolymer polyester containing two or more types of monomer units, wherein the stretchable polyester contains an α-form and an amorphous structure, and a degree of orientation determined by X-ray of the α-form is 50% or greater. | 06-30-2022 |
| 20220098369 | DEGRADABLE RESIN COMPOSITION, DEGRADABLE CURED PRODUCT AND DOWNHOLE TOOL FOR DRILLING - Disclosed are a degradable resin composition including a cyanate ester (A) and a compound (B) having a hydroxyl group with a hydroxyl group equivalent of less than 240 g/eq., and a degradable cured product and a downhole tool for drilling using the same. | 03-31-2022 |
| 20220076859 | RESIN COMPOSITION, PREPREG, RESIN SHEET, METAL FOIL-CLAD LAMINATE, AND PRINTED CIRCUIT BOARD - A resin composition comprising a maleimide compound, a cyanate ester compound, a silane compound having a styrene skeleton and a hydrolyzable group or a hydroxy group, and an inorganic filler. | 03-10-2022 |
| 20220073755 | ANTIREFLECTION FILM AND MULTILAYER FILM HAVING ANTIREFLECTION FILM - An antireflection film is provided and includes a base material layer that contains a thermoplastic resin and a high refractive index layer that is superposed on at least one surface of the base material layer, while having a refractive index that is higher than the refractive index of the base material layer, and which is configured such that the high refractive index layer contains a fluorene diol, an isocyanate and a polymer of a resin material that contains a (meth)acrylate and a urethane (meth)acrylate derived from a (meth)acrylate. | 03-10-2022 |
| 20220010054 | AQUEOUS EPOXY RESIN COMPOSITION AND CURED PRODUCT OF SAME - Provided is a water-based epoxy resin composition and a cured product thereof, the water-based epoxy resin composition obtained by blending a water-based epoxy resin (A) and a curing agent composition (B) containing a reaction product (b1) of epichlorohydrin and an amine compound represented by the following formula (1), the water-based epoxy resin composition having a content ratio of the component (A) and the component (B) defined as [number of epoxy groups in component (A)/number of active amine hydrogens in component (B)] of 1/1.1 to 1/0.3: | 01-13-2022 |
| 20220009873 | DIALKYL CARBONATE PRODUCTION METHOD - Provided is a dialkyl carbonate production method that enables a dialkyl carbonate to be produced in a simple manner and in a short reaction time and enables easy processing of by-products. This dialkyl carbonate production method involves generation reaction of a carbonate ester through reaction between carbon dioxide and an alcohol represented by formula (1), wherein the generation reaction of a carbonate ester is performed in the presence of a carbodiimide compound represented by formula (2) (R | 01-13-2022 |
| 20210403409 | METHOD FOR PRODUCING CARBONATE DERIVATIVE - The objective of the present invention is to provide a method for producing a polycarbonate safely and efficiently even without using a base. The method for producing a carbonate derivative according to the present invention is characterized in comprising the step of irradiating a high energy light to a composition comprising the halogenated methane and the hydroxy group-containing compound in the presence of oxygen, wherein a molar ratio of a total usage amount of the hydroxy group-containing compound to 1 mole of the halogenated methane is 0.05 or more. | 12-30-2021 |
| 20210400961 | COMPOSITION FOR STERILIZATION AND CLEANING, METHOD FOR PRODUCING SAME, AND STERILIZATION AND CLEANING METHOD EMPLOYING SAME - A composition for sterilization and cleaning which comprises 0.001-30 mass % peracetic acid, 0.001-30 mass % hydrogen peroxide, 1-70 mass % acetic acid and/or salt thereof, 0.001-5 mass % polyoxyethylene lauryl ether acetate or salt thereof, and water, the composition having a pH of 4.0-10.0. | 12-30-2021 |
| 20210395568 | POLYIMIDE RESIN, VARNISH, AND POLYIMIDE FILM - A polyimide resin includes structural unit A derived from tetracarboxylic dianhydride and structural unit B derived from diamine, wherein unit A includes at least one unit selected from the group consisting of unit (A-1) derived from a compound represented by Formula (a-1) and unit (A-2) derived from a compound represented by Formula (a-2), and unit B includes unit (B-1) derived from a compound represented by Formula (b-1) and includes unit (B-2) derived from a compound represented by Formula (b-2). | 12-23-2021 |
| 20210395514 | THERMOSETTING RESIN COMPOSITION, PREPREG, RESIN SHEET, METAL FOIL-CLAD LAMINATE, AND PRINTED WIRING BOARD - A thermosetting resin composition containing a thermosetting resin (A), boron nitride (B), and a dispersant (C) with a pH of 8 or higher. | 12-23-2021 |
| 20210388534 | POLYACETAL FIBERS, METHOD FOR PRODUCING SAME AND MATERIAL FOR DRAWING - Polyacetal fibers having excellent spinning stability and uniform appearance and production methods thereof have been awaited. According to the invention, a polyacetal fiber, comprising 0.05 to 1.3 parts by mass of an inorganic filler with respect to 100 parts by mass of a polyacetal resin, in which the inorganic filler has a primary average particle size of more than 0.5 μm and 10 μm or less, and the polyacetal fiber has a melt flow index of 15 to 45 g/10 min, is provided. | 12-16-2021 |
| 20210388159 | METHOD FOR PRODUCING POLYCARBONATE - The objective of the present invention is to provide a method for producing a polycarbonate safely and efficiently. A method for producing a polycarbonate is characterized in comprising the step of irradiating a light to a composition comprising a C | 12-16-2021 |
| 20210387445 | THERMOPLASTIC RESIN LAMINATE - Provided is a thermoplastic resin laminate suitable for optical applications of transparent substrate materials and protective materials. The thermoplastic resin laminate includes a first layer including an amorphous polyester resin (A) as the main component, and a second layer including a (meth)acrylic resin (B) as the main component on the first layer. | 12-16-2021 |
| 20210381113 | ETCHANT FOR SELECTIVELY ETCHING COPPER AND COPPER ALLOY, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE USING SAID ETCHANT - The present invention relates to an etchant capable of selectively etching copper and a copper alloy while suppressing dissolution of nickel, tin, gold, and an alloy thereof. This etchant is characterized by comprising: (A) 5-10.5% by mass of hydrogen peroxide with respect to the total mass of the etchant; (B) 0.3-6% by mass of nitric acid with respect to the total mass of the etchant; (C) at least one nitrogen-containing 5-membered ring compound selected from the group consisting of triazoles and tetrazoles, which may have at least one substituent selected from the group consisting of a C1-6 alkyl group, an amino group, and a substituted amino group having a substituent selected from the group consisting of a C1-6 alkyl group and a phenyl group; and (D) (d1) one or more pH adjusters selected from the group consisting of an alkali metal hydroxide, ammonia, an amine, and an ammonium salt, (d2) a phosphonic acid compound, or (d3) a combination of (d1) and (d2). | 12-09-2021 |
| 20210381111 | AQUEOUS SOLUTION FOR SURFACE TREATMENT, METHOD FOR PRODUCING SURFACE-TREATED ALLOY, AND COMPOSITE AND METHOD FOR PRODUCING THE SAME - An aqueous solution for surface treatment, for treating a surface of an alloy, the aqueous solution comprising: a copper compound at a copper ion concentration of 20000 ppm or more and 50000 ppm or less; a heterocyclic nitrogen compound at a concentration of 200 ppm or more and 3000 ppm or less; and a halide ion at a concentration of 2000 ppm or more and 70000 ppm or less. | 12-09-2021 |
| 20210379692 | MANUFACTURING METHOD OF MULTILAYER SYRINGE BARREL - A manufacturing method of a multilayer syringe barrel is provided and includes: a finish cutting a remaining gate of a nozzle portion of a multilayer syringe barrel that is injection-molded from a nozzle tip, with a cutting blade of an ultrasonic cutting apparatus including a mechanism for suppressing abnormal vibration; and irradiating a laser beam to a corner portion of the nozzle portion, the corner portion being formed during the finish cutting. | 12-09-2021 |
| 20210371367 | TRIARYLMETHANE COMPOUNDS - The present invention relates to triarylmethane compounds of the formula (I), which suitable as monomers for preparing thermoplastic resins having beneficial optical properties and which can be used for producing optical devices. R | 12-02-2021 |
| 20210363295 | POLYCARBONATE RESIN COMPOSITION, PRODUCTION METHOD THEREFOR, AND OPTICAL LENS - The present application provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present application includes a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm. | 11-25-2021 |
| 20210360949 | BEVERAGE, METHOD FOR PRODUCING BEVERAGE, OR COMBINATION FOR BEVERAGE - The present invention provides a beverage containing pyrroloquinoline quinone and/or a salt thereof, an amino acid and/or a salt thereof, and ascorbic acid and/or a salt thereof, wherein the content of ascorbic acid and/or a salt thereof is two or more mass times the content of pyrroloquinoline quinone and/or a salt thereof. | 11-25-2021 |
| 20210347937 | POLYESTER CARBONATE RESIN AND OPTICAL LENS - A polyester carbonate resin is provided and includes a constituent unit represented by the following general formula (1), a constituent unit represented by the following general formula (2), and a constituent unit represented by the following general formula (3): | 11-11-2021 |
| 20210340129 | EPISULFIDE COMPOUND AND COMPOSITION FOR OPTICAL MATERIAL - Provided is a composition for optical materials that gives optical materials which can have at least one improved property selected from among satisfactory mold releasability after polymerization and curing, unsusceptibility to separation from the mold during polymerization and curing, transparency, and low-level striae. The present invention further provides a compound represented by formula (1). The composition for optical materials comprises the compound represented by formula (1) and a compound represented by formula (2). (In formula (1), X | 11-04-2021 |
| 20210339436 | POLYCARBONATE SHEET PRESS-FORMED BODY PRODUCTION METHOD - A method for producing a press-molded body of a polycarbonate sheet including resin layers (A) and (B) respectively containing a polycarbonate resin, and a high hardness resin (B) and a hard coat layer (C) sequentially stacked on at least one surface of the resin layer (A). The method includes pre-heating the polycarbonate sheet to a temperature between a glass transition point of the resin layer (A)−45° C. or higher and the glass transition point or lower; locating the pre-heated polycarbonate sheet between an upper and lower die of a mold, wherein a time period after the pre-heating is finished until the polycarbonate sheet is located between the upper and lower die of the mold is 90 seconds or shorter; and clamping the mold to press the upper and lower die to obtain the press-molded body of the polycarbonate sheet. | 11-04-2021 |
| 20210324223 | HARD-COAT COMPOSITION, LAMINATE FILM, AND CURABLE FILM - The purpose of this invention is to provide: a hard-coat composition with which it is possible to produce a hard-coat layer having excellent hardness and abrasion-resistance when cured, and having excellent moldability during processing; and a laminate film and the like having such a hard-coat composition. This problem is solved by a curable hard-coat composition containing a (meth)acryloyl polymer and inorganic oxide nanoparticles, wherein the (meth)acryloyl polymer has a (meth)acrylic equivalent of 200-500 g/eq and a weight-average molecular weight of 5,000-200,000. | 10-21-2021 |
| 20210321645 | STABILIZER FOR PYRROLOQUINOLINE QUINONE, COMPOSITION COMPRISING THE SAME, AND METHOD OF STABILIZATION - The present invention provides a stabilizer for pyrroloquinoline quinone and/or a salt thereof, wherein the stabilizer comprises one or more sweetening components as active ingredients selected from the group consisting of erythritol, acesulfame potassium, and a reduced starch syrup. | 10-21-2021 |
| 20210317264 | POLYCARBONATE RESIN AND METHOD FOR PRODUCING SAME - The purpose of the present invention is to provide: a polycarbonate resin which has a narrow molecular weight distribution and in which the formation of low molecular weight oligomers is suppressed; and a method for producing the polycarbonate resin. | 10-14-2021 |
| 20210316542 | LAMINATE FOR MOLDING - The problem addressed by this invention is to provide a laminate for molding having excellent moldability and post-curing properties of the hard-coat layer, and which can maintain the surface of the hard-coat layer in a satisfactory state while uncured. This problem is solved by a laminate for molding containing a hard-coat layer and a masking film affixed to the surface of the hard-coat layer, having an adhesive surface, which is the hard-coat layer-side surface of the masking film, with a surface free energy of at least 30.0 (mN/m) measured in accordance with the OWRK method, before being affixed. The hard-coat layer is in an uncured state. | 10-14-2021 |
| 20210313618 | LGPS-BASED SOLID ELECTROLYTE AND PRODUCTION METHOD - The present invention is able to provide an LGPS-based solid electrolyte characterized by: satisfying a composition of Li | 10-07-2021 |
| 20210204404 | LAMINATE, METAL FOIL-CLAD LAMINATE, LAMINATE HAVING PATTERNED METAL FOIL, LAMINATE HAVING BUILDUP STRUCTURE, PRINTED WIRING BOARD, MULTILAYER CORELESS SUBSTRATE, AND METHOD FOR PRODUCING SAME - Provided is a laminate containing a first resin composition layer, a heat-resistant film layer, and a second resin composition layer laminated in the presented order, wherein the first resin composition layer is in a semi-cured state (B stage), and a difference between a maximum thickness and a minimum thickness of the first resin composition layer is 0.5 to 5 μm; and the second resin composition layer is in a semi-cured state (B stage), and a difference between a maximum thickness and a minimum thickness of the second resin composition layer is 0.5 to 5 μm. | 07-01-2021 |
| 20210198181 | METHOD FOR PRODUCING COMPOUND, COMPOUND, EPOXY CURING AGENT, AND METHOD FOR PRODUCING AMINE COMPOSITION - Provided are: a method for producing a compound that excels in storage stability and handleability; the compound; and an epoxy curing agent containing the compound. The method for producing a compound represented by Formula (1-1) includes subjecting the compound represented by Formula (5-1) to an addition reaction to add ethylene and/or propylene in the presence of a base. In Formula (5-1), R | 07-01-2021 |
| 20210032404 | RESIN COMPOSITION, PREPREG, METAL FOIL-CLAD LAMINATE, RESIN COMPOSITE SHEET, AND PRINTED WIRING BOARD - Provided is a resin composition comprising a polymaleimide compound (A) represented by the following general formula (1), a modified polyphenylene ether (B) having a terminal modified with a substituent containing a carbon-carbon unsaturated double bond, and a filler (C): | 02-04-2021 |
| 20210032191 | PRODUCTION METHOD FOR 1,4-CYCLOHEXANEDICARBOXYLIC ACID DERIVATIVE, 1,4-DICYANOCYCLOHEXANE AND 1,4-BIS(AMINOMETHYL)CYCLOHEXANE - A production method for producing a 1,4-cyclohexanedicarboxylic acid derivative, involves subjecting an aqueous ammonia solution of 1,4-cyclohexanedicarboxylic acid to heat concentration, thereby precipitating a 1,4-cyclohexanedicarboxylic acid derivative as a crystal. | 02-04-2021 |
| 20210009553 | PRODUCTION METHOD FOR 1,2,3,5,6-PENTATHIEPANE - The present invention enables provision of a production method for 1,2,3,5,6-pentathiepane, the method comprising, in the following order, step A for reacting a trithiocarbonate, sulfur, and a methane dihalide together using a phase-transfer catalyst in a multilayer system having a water layer and an organic layer, step B for separating the water layer from the organic layer, and step C for stopping the reaction using an acid. | 01-14-2021 |
| 20200262110 | REINFORCED AROMATIC POLYCARBONATE RESIN SHEET OR FILM - Provided is an aromatic polycarbonate resin sheet/film which has excellent bending characteristics and surface smoothness. It is found that a sheet having excellent surface smoothness, which cannot be achieved by conventional sheets, can be obtained by adjusting sheet extrusion conditions for a polycarbonate resin sheet/film into which a reinforcing filler is blended. It is also found that a thermally shaped article having excellent appearance can be obtained by using this sheet in pressure molding or in thermal press molding. | 08-20-2020 |
| 20200118706 | RESIN COMPOSITION FOR HIGH DIELECTRIC CONSTANT MATERIALS, MOLDED ARTICLE CONTAINING SAME, AND MASTER BATCH FOR COLORING - This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less. | 04-16-2020 |
| 20200115496 | POLYCARBONATE RESIN COMPOSITION, MOLDED ARTICLE, POLYCARBONATE RESIN, AND END-CAPPING AGENT FOR POLYCARBONATE RESIN - A polycarbonate resin composition, a molded article, a polycarbonate resin, and an end-capping agent for polycarbonate resins are provided. The polycarbonate resin composition contains: a polycarbonate resin having a terminal structure represented by Formula (A) and having a viscosity average molecular weight from 1×10 | 04-16-2020 |
| 20190276659 | POLYACETAL RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME | 09-12-2019 |
| 20190276657 | RESIN COMPOSITION, LAMINATE, SEMICONDUCTOR WAFER WITH RESIN COMPOSITION LAYER, SUBSTRATE FOR MOUNTING SEMICONDUCTOR WITH RESIN COMPOSITION LAYER, AND SEMICONDUCTOR DEVICE | 09-12-2019 |
| 20190276596 | OPTICAL USE POLYCARBONATE RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND SPECTACLE LENS AND CAMERA LENS CONTAINING SAME | 09-12-2019 |
| 20190275593 | Drill Bit And Hole Formation Method | 09-12-2019 |
| 20180155514 | RESIN COMPOSITION, PREPREG, RESIN SHEET, METAL FOIL-CLAD LAMINATE, AND PRINTED CIRCUIT BOARD - It is intended to provide a resin composition that serves as a raw material for a printed circuit board excellent in heat resistance after moisture absorption and is excellent in moldability. The resin composition of the present invention contains a maleimide compound, a silane compound having a carbon-carbon unsaturated bond and a hydrolyzable group or a hydroxy group, a silane compound having an epoxy skeleton and a hydrolyzable group or a hydroxy group, and an inorganic filler. | 06-07-2018 |
| 20180105488 | CYANATE ESTER COMPOUND, CURABLE RESIN COMPOSITION CONTAINING THE COMPOUND, AND HARDENED PRODUCT THEREOF - The present invention provides a novel cyanate ester compound which has excellent solvent solubility and from which a hardened product having a low coefficiency of thermal expansion and excellent flame retardancy and heat resistance is obtained. The present invention is a cyanate ester compound obtained by cyanating a naphthol-dihydroxynaphthalene aralkyl resin or a dihydroxynaphthalene aralkyl resin. | 04-19-2018 |
| 20170260302 | MODIFIED RUBBER, RUBBER COMPOSITION AND TIRE - The present invention provides a modified rubber (A) obtained by modifying at least one rubber selected from the group consisting of natural rubbers and synthetic rubbers with a compound represented by formula (1): | 09-14-2017 |
| 20170198139 | POLYCARBONATE RESIN COMPOSITION AND ARTICLE MOLDED THEREFROM - Provided is a resin composition that, according to one embodiment, contains a (meth)acrylic copolymer (A), a polycarbonate-based resin (B), an ultraviolet absorber (C), and an antioxidant (D), the (meth)acrylic copolymer (A) containing 5-85% by mass of (meth)acrylate units (a) represented by general formula (1) and 15-95% by mass of methyl (meth)acrylate units (b), wherein the resin composition contains 0.1-1.5 parts by mass of (C) and 0.05-1.0 part by mass of (D) per 100 parts by mass of the resin component containing (A) and (B). | 07-13-2017 |
| 20170198118 | POLYCARBONATE RESIN COMPOSITION, AND MOLDED ARTICLE AND METHOD FOR MANUFACTURING SAME - According to an embodiment, provided is a polycarbonate resin composition containing a polycarbonate resin, wherein a molded product of the polycarbonate resin composition has an integrated value of an amount of chemiluminescence derived from organic peroxide of 4,000 to 12,000 counts per mg of the molded product, and the integrated value of the amount of chemiluminescence is a value obtained by integrating the amount of chemiluminescence at a wavelength of 405 to 650 nm that is measured during 480 seconds in which under a nitrogen atmosphere the temperature is raised from 100° C. to 350° C. at a rate of 50° C./minute and thereafter is maintained at 350° C. for 180 seconds. | 07-13-2017 |
| 20170174833 | HIGH-FLUIDITY POLYCARBONATE COPOLYMER, PROCESS FOR PRODUCTION HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN AND AROMATIC POLYCARBONATE COMPOUND - The present inventions provide a novel polycarbonate copolymer having high fluidity and high molecular weight which is formed of a structural unit derived from an aliphatic diol compound and a structural unit derived from an aromatic dihydroxy compound, having a structure represented by the formula (III): | 06-22-2017 |
| 20170168206 | OPTICAL FILM, MULTILAYER OPTICAL FILM INCLUDING SAME, AND METHOD FOR PRODUCING OPTICAL FILM - Provided are: an optical film that has a good appearance, small in-plane retardation Re, and large thickness-direction retardation Rth; and a method for producing such an optical film. Also provided is a multilayer optical film that uses the optical film, that exhibits little change in retardation as a result of wavelength, and that has small retardation at low wavelengths. The optical film is obtained by sandwiching a melted resin between a first cooling roll comprising an elastic metal roll and a second cooling roll comprising a non-elastic metal roll and molding said melted resin. The optical film has a good appearance, the absolute value of the in-plane retardation Re thereof is 10 nm or less, and the thickness-direction retardation Rth thereof is 40 nm or more. | 06-15-2017 |
| 20170166694 | METHOD FOR PRODUCING POLYESTER RESIN - The method for producing a polyester resin containing a dicarboxylic acid structural unit and a diol structural unit having a cyclic acetal skeleton, wherein the method includes mixing and reacting an ester compound (A) having a cyclic acetal skeleton and an ester compound (B) having no cyclic acetal skeleton, and satisfies the following conditions:
| 06-15-2017 |
| 20170160566 | OPTICAL FILM AND OPTICAL LAMINATE USING SAME - [Problem] The present invention provides eyewear, such as polarized sunglasses, having cholesteric liquid crystal layers, wherein the eyewear has a metallic tone and antiglare properties, minimizes the reduction in light-polarizing element absorptive capability that is associated with circular polarization, and is moreover unaffected by external degrading factors such as sebum, moisture, and salt air. | 06-08-2017 |
| 20170158855 | DIACRYLATE-COMPOUND-CONTAINING COMPOSITION AND CURED PRODUCT THEREOF - The present invention relates to a limited composition containing a diacrylate compound represented by general formula (1). | 06-08-2017 |
| 20170158854 | RESIN COMPOSITION, PREPREG, RESIN SHEET, METAL-FOIL-CLAD LAMINATED PLATE, AND PRINTED WIRING BOARD - A resin composition comprising a polyphenylene ether (A) having a number average molecular weight of 500 to 5000; a cyclophosphazene compound (B); a non-halogen-based epoxy resin (C); a cyanate compound (D); and a filler (E). | 06-08-2017 |
| 20170137203 | OXYGEN ABSORBING MULTILAYER CONTAINER AND METHOD FOR PRODUCING THE SAME - An oxygen absorbing multilayer container having at least three layers of a first resin layer containing a thermoplastic resin, an oxygen absorbing layer containing an oxygen absorbing resin composition which contains a polyester compound (a) containing a constituent unit having a tetralin ring and a transition metal catalyst, and a second resin layer containing the same type of thermoplastic resin as the thermoplastic resin contained in the first resin layer, in this order, in which a cycloolefin polymer having a glass transition temperature of 50 to 110° C. is contained as the thermoplastic resin. | 05-18-2017 |
| 20170136748 | TRANSPARENT RESIN LAMINATE - It is an object of the present invention to provide a synthetic resin laminate for use in transparent substrate materials or transparent protective materials, having excellent shape stability and surface hardness. This has been achieved by laminating a resin composition formed by polymer-alloying i) 25% to 100% by mass of a specific styrene-unsaturated dicarboxylic acid copolymer consisting of 45% to 70% by mass of a styrene monomer unit, 10% to 30% by mass of an unsaturated dicarboxylic acid anhydride monomer unit, and 10% to 35% by mass of a vinyl monomer, and ii) 75% to 0% by mass of a resin comprising a vinyl monomer as a constitutional unit, on one surface of a base material layer comprising a polycarbonate as a main component. Thus, the present invention provides the above-described synthetic resin laminate, a transparent material comprising the synthetic resin laminate, and the like. | 05-18-2017 |
| 20170044312 | RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION | 02-16-2017 |
| 20170044311 | POLYESTER RESIN, OPTICAL LENS, AND OPTICAL LENS SYSTEM | 02-16-2017 |
| 20160376437 | AROMATIC POLYCARBONATE RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE FORMED FROM AROMATIC POLYCARBONATE RESIN COMPOSITION - An aromatic polycarbonate resin composition is obtained by removing a solvent from a resin solution that is obtained by dissolving an aromatic polycarbonate resin-A that has a viscosity-average molecular weight of 3,000-25,000 and an aromatic polycarbonate resin-B that has a viscosity-average molecular weight of 50,000-90,000 into the solvent. The aromatic polycarbonate resin-A is contained in an amount of 99-50% by mass and the aromatic polycarbonate resin-B is contained in an amount of 1-50% by mass relative to the total mass of the aromatic polycarbonate resin-A and the aromatic polycarbonate resin-B; a plate-like molded article having thickness of 3.0 mm and molded from the aromatic polycarbonate resin composition has a haze value of 2% or less; and the number of unmelted polycarbonate pieces having a length of 100 μm or more and present within a region of 5 cm×3 cm in the plate-like molded article is 10 or less. | 12-29-2016 |
| 20160297920 | POLYFUNCTIONAL URETHANE (METH)ACRYLATE AND CURABLE RESIN COMPOSITION THEREOF | 10-13-2016 |
| 20160297106 | APPARATUS AND METHOD FOR MANUFACTURING PREPREG | 10-13-2016 |
| 20160186057 | ETCHING LIQUID COMPOSITION FOR MULTILAYER CONTAINING COPPER AND MOLYBDENUM AND PROCESS FOR ETCHING THEREOF - There is provided an etching liquid composition for a multilayer film containing copper and molybdenum. The etching liquid composition comprises: (A) a peroxosulfate ion source; (B) a copper ion source; and (C) at least one nitrogen compound source selected from the group consisting of ammonia, ammonium ions, amines, and alkyl ammonium ions and has pH 3.5 to 9. | 06-30-2016 |
| 20160159984 | METHOD FOR PRODUCING POLYIMIDE RESIN POWDER, AND THERMOPLASTIC POLYIMIDE RESIN POWDER - The present invention provides a method for producing a polyimide resin powder, including the step of reacting (A) a tetracarboxylic acid component containing a tetracarboxylic dianhydride with (B) a diamine component containing an aliphatic diamine in the presence of (C) a solvent containing an alkylene glycol-based solvent represented by the formula (1): | 06-09-2016 |
| 20160146767 | OXYGEN DETECTING MULTILAYER BODY, AS WELL AS OXYGEN DETECTING PACKAGING MATERIAL AND OXYGEN ABSORBER PACKAGE USING THE SAME - An oxygen detecting multilayer body allows easy detection of a color change of an oxygen detecting layer, and prevention of crazing of an oxygen detecting layer. The oxygen detecting multilayer body includes a transparent resin layer, a heat seal layer, and an oxygen detecting layer containing an oxygen detecting component, placed occupying a part of a space between the transparent resin layer and the heat seal layer, wherein a spacer is placed to occupy at least a part of a space between the transparent resin layer and the heat seal layer, where the oxygen detecting layer is not provided, so as to make up a missing thickness of the oxygen detecting multilayer body, wherein the thickness of the oxygen detecting layer is from 0.5 to 40 μm, and the ratio of the thickness of the oxygen detecting layer to the thickness of the spacer is from 15:1 to 1:10. | 05-26-2016 |
| 20160145384 | METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER - Provided is a method for producing an oxymethylene copolymer continuously and with high polymerization yield, whereby it becomes possible to improve heat stability and the formaldehyde generation amount while keeping MD resistance and folding endurance. Provided is a method for producing an oxymethylene copolymer, which comprises the steps of: carrying out a copolymerization reaction of a monomer raw material comprising trioxane and 1,3-dioxolane in an amount of 7.0 to 22 mass % relative to the amount of trioxane in the presence of boron trifluoride in an amount of 0.03 to 0.10 mmol relative to 1 mol of trioxane and sterically hindered phenol in an amount of 0.006 to 2.0 mass % relative to the amount of trioxane; and adding a polymerization terminator to a reaction system at the point of time at which the polymerization yield of the copolymer becomes 92% or more to terminate the polymerization. | 05-26-2016 |
| 20160145383 | METHOD FOR PRODUCING A POLYDIOXOLANE - The present invention provides a method for producing a polydioxolane, which includes polymerizing a 1,3-dioxolane compound represented by the formula (1) in the presence of a cationic catalyst and a sterically hindered phenol in an amount of 10 to 1,500 ppm, based on the 1,3-dioxolane compound. In the formula (1), R1 to R6 are the same or difference and each independently represents a hydrogen atom, an alkyl group, an aryl group, a hydroxyalkyl group, an alkyloxy group, or an aryloxy group. | 05-26-2016 |
| 20160145196 | METHOD FOR PRODUCING A-HYDROXYISOBUTYRIC ACID AMIDE AND REACTOR - The present invention provides a method for producing α-hydroxyisobutyric acid amide by hydration of acetone cyanohydrin under the presence of a catalyst composed mainly of manganese oxide using a reactor in which at least two reaction regions are connected in series, the method being characterized by comprising: a step (B) of cyclically supplying at least a portion of a reaction liquid withdrawn from at least one reaction region to a first reaction region (I) in the reactor; and a step (b1) of further cyclically supplying at least a portion of the reaction liquid withdrawn from at least one reaction region to at least one reaction region other than the first reaction region. The method is also characterized in that an oxidizing agent is supplied to at least one reaction region in the reactor. | 05-26-2016 |
| 20160137789 | POLYIMIDE RESIN - A polyimide resin contains repeating structural units represented by formulas (1) and (2), wherein the content of the repeating structural unit represented by formula (2) relative to the total of the repeating structural unit represented by formula (1) and the repeating structural unit represented by formula (2) falls within a specific range and the content of the divalent group represented by the following structural formula (B1) falls within a specific range: | 05-19-2016 |
| 20160130384 | AROMATIC HYDROCARBON FORMALDEHYDE RESIN, MODIFIED AROMATIC HYDROCARBON FORMALDEHYDE RESIN AND EPOXY RESIN, AND METHODS FOR PRODUCING THESE - There is provided an aromatic hydrocarbon formaldehyde resin obtained by reacting an aromatic hydrocarbon compound (A) represented by the following formula (1) with formaldehyde (B) in the presence of an acidic catalyst. | 05-12-2016 |
| 20160130383 | AROMATIC HYDROCARBON FORMALDEHYDE RESIN, MODIFIED AROMATIC HYDROCARBON FORMALDEHYDE RESIN, AND EPOXY RESIN, AND METHOD FOR PRODUCING THESE - There is provided an aromatic hydrocarbon formaldehyde resin obtained by reacting an aromatic hydrocarbon compound (A) represented by the following formula (1) with formaldehyde (B) in the presence of an acidic catalyst. | 05-12-2016 |
| 20160125972 | RESIN COMPOSITION, PREPREG, RESIN SHEET AND METAL FOIL-CLAD LAMINATE - The resin composition of the present invention comprises a cyanate ester compound (A) obtained by cyanating a modified naphthalene formaldehyde resin, and an epoxy resin (B). | 05-05-2016 |
| 20160125971 | RESIN COMPOSITION FOR PRINTED WIRING BOARD MATERIAL AND PREPREG, RESIN SHEET, METAL FOIL-CLAD LAMINATE, AND PRINTED WIRING BOARD USING THE SAME - A resin composition used as a material of an insulating layer of a printed wiring board including the insulating layer and a conductor layer formed on a surface of the insulating layer by plating, the resin composition including: an epoxy compound; a cyanate compound; a maleimide compound; an inorganic filler; and an imidazole silane, wherein the maleimide compound includes a predetermined maleimide compound, a content of the maleimide compound is 25% by mass or less based on 100% by mass of a total content of the epoxy compound, the cyanate compound, and the maleimide compound, and the imidazole silane includes a compound represented by the formula (3). | 05-05-2016 |
| 20160122461 | COMPOSITION FOR OPTICAL MATERIAL - According to the present invention, a composition for an optical material contains a compound (a), a compound (b), and a polyisocyanate compound (c), and can suppress the generation of striae defects. The compound (a) is a compound having a structure represented by formula (1). | 05-05-2016 |
| 20160121259 | ABSORBENT- CONTAINING CONTAINER - A container houses an absorbent for absorbing a gas such as oxygen, and can house an absorbent which reacts with a gas to expand as well as can house an absorbent which has a small diameter or whose diameter decreases without leakage, while securing air permeation between the inside and outside of the container. An absorbent-containing container has a lid body and a bottomed-cylindrical container main body having an opening in an upper surface which is covered by the lid body and which has a paper layer as an inner layer. The lid body is fitted in the opening with an outer peripheral portion being bent upward and held in contact with an inner layer of the container main body. An upper end portion of the container main body is bent from above the lid body toward the lid body to grip the outer peripheral portion of the lid body. | 05-05-2016 |
| 20160115271 | CYANATE ESTER COMPOUND, CURABLE RESIN COMPOSITION CONTAINING SAID COMPOUND, AND CURED PRODUCT OF SAID COMPOSITION - The cyanate ester compound of the present invention is obtained by cyanating a modified naphthalene formaldehyde resin. | 04-28-2016 |
| 20160109622 | A FUNCTIONAL SHEET WITH PROTECTIVE FILMS - A functional sheet with protective films obtained by laminating protective sheets includes aromatic polycarbonate onto a functional layer that is a polyvinyl alcohol polarizing layer or a photocromic layer or any combination thereof and having the protective films adhere to the protective sheets. The protective films have at least two or three layers i.e., a base layer composed of a polypropylene that has a melting point higher than the glass transition temperature of an aromatic polycarbonate; an adhesive layer composed of a heat plastic polyolefin elastomer composed of a polyolefin that has a melting point from a temperature that is 15° C. lower than the glass transition temperature of the aromatic polycarbonate to a temperature that is lower than the glass transition temperature and a styrene-olefin-styrene co-poly-elastomer; and a middle layer composed of a polyolefin resin between the base layer and the adhesive layer. | 04-21-2016 |
| 20160107783 | PACKAGING BODY AND STORAGE METHOD - Provided are [1] a packaging body consisting of a resin composition containing a polyester resin (A), a polyamide resin (B), and an oxidation reaction accelerator (C), wherein when a thickness of the packaging body is defined as d (μm), and an average long diameter, an average short diameter, and a volume fraction of dispersed particles of the polyamide resin (B) in the packaging body are defined as L (μm), W (μm), and Vf, respectively, the following expression (1A) is satisfied; an oxygen transmission rate after a lapse of 100 hours after preparing of the packaging body is 0.01 [cc/(package·day·0.21 atm)] or less; and a haze value is 8% or less, and [2] a method for preserving goods by filling in a packaging body containing a polyester resin (A), a polyamide resin (B), and an oxidation reaction accelerator (C), wherein a content of the polyamide resin (B) in the packaging body is 2.0 to 3.5% by mass, and when an oxygen transmission rate of the packaging body after a lapse of 100 hours after preparing of the packaging body is defined as X [cc/(package·day·0.21 atm)], a volume of the packaging body is defined as V [L], and a mass of the packaging body is defined as M [g], the following expression (1B) is satisfied. | 04-21-2016 |
| 20160102190 | METHOD FOR PRODUCING AN OXYMETHYLENE COPOLYMER - Provided is a method for producing an oxymethylene copolymer having excellent extrusion moldability and reduced voids in a molded article without lowering the inherent performance of an oxymethylene copolymer. Provided is a method for producing an oxymethylene copolymer, including: a step for copolymerizing a monomer raw material containing trioxane and 5-7 mass % of 1,3-dioxolane relative to the trioxane, in the presence of 0.025-0.07 mmol of boron trifluoride per mol of trioxane and 0.006-2.0 mass % of sterically hindered phenol relative to the trioxane; a step for adding a polymerization terminator to the reaction system when the polymerization yield of this copolymer has reached 92% or higher, and terminating polymerization; and a thermal stabilization step for heating and melting the crude oxymethylene copolymer in the presence of 0.05-5 mass % of an antioxidant and 0.005-5 mass % of a nitrogen-containing compound relative to the crude oxymethylene copolymer. | 04-14-2016 |
| 20160090445 | PRODUCTION METHOD FOR OXYMETHYLENE COPOLYMER - A method for the continuous production, at high polymerization yield, of an oxymethylene copolymer having improved thermal stability and formaldehyde emission, while maintaining toughness and rigidity, is provided. Provided is a production method for oxymethylene copolymer, including: a step of carrying out a copolymerization reaction of trioxane and 1,3-dioxolane in an amount of 0.9-2.4 mass % with respect to the trioxane, in the presence of 0.001-0.007 mol % of boron trifluoride and 0.006-2.0 mass % of a sterically hindered phenol with respect to the trioxane; and a step of adding a polymerization terminator to the reaction system at the point in time that the polymerization yield of the copolymerization reaction has reached 92% or above, to terminate polymerization. | 03-31-2016 |
| 20160083581 | POLYAMIDE RESIN COMPOSITION FOR INNER LAYER OF DELAMINATION CONTAINER, AND DELAMINATION CONTAINER OBTAINED USING SAME - Provided are a polyamide resin composition for inner layer of a delamination container which includes a laminate of at least two layers including an outer layer (1) composed of a thermoplastic resin (A) and an inner layer (2) composed of a polyamide resin composition and capable of being delaminated from the outer layer (1) to perform volume reduction deformation and in which an outside air introduction hole for introducing the outside air into between the outer layer (1) and the inner layer (2) is formed in the outer layer (1), the polyamide resin composition containing specified polyamide resin (a) and polyamide resin (b), having a tensile modulus of elasticity of 2,000 MPa or less at a temperature of 23° C. and a humidity of 50% RH, and having a content of the polyamide resin (a) in the polyamide resin composition of 20 to 75% by mass; and a delamination container using the same as an inner layer. | 03-24-2016 |
| 20160083321 | POLYOL-ETHER COMPOUND AND METHOD FOR PRODUCING THE SAME - A method for producing a polyol-ether compound, wherein a compound represented by the following formula (1) is subjected to hydrogenation reduction in the presence of a hydrogenation catalyst to obtain a polyol-ether compound having a skeleton represented by the following formula (2): | 03-24-2016 |
| 20160075700 | YELLOW REDUCED PYRROLOQUINOLINE QUINONE CRYSTAL AND METHOD OF PRODUCING THE SAME, AND FOOD, PHARMACEUTICAL, GEL, COMPOSITION AND METHOD OF PRODUCING COMPOSITION - A yellow reduced pyrroloquinoline quinone crystal having a solubility in water of 0.040 to 0.20 (mg/mL). | 03-17-2016 |
| 20160060244 | NOVEL THIOL COMPOUND AND COMPOSITION FOR OPTICAL MATERIALS USING THE SAME - According to the present invention, it is possible to provide a thiol compound represented by formula (1): | 03-03-2016 |
| 20160046836 | METAL-COATING MATERIAL - The present invention provides a metal coating material containing a polyether polyamide (A) in which a diamine constituent unit thereof includes constituent units derived from a polyether diamine compound (a-1) having a specified structure and a xylylenediamine (a-2), and a dicarboxylic acid constituent unit thereof includes a constituent unit derived from an α,ω-linear aliphatic dicarboxylic acid (a-3) having from 4 to 20 carbon atoms, the metal coating material having favorable abrasion resistance and oil resistance and excellent adhesive properties to metals. | 02-18-2016 |
| 20160039816 | CRYSTALS OF PYRROLOQUINOLINEQUINONE SODIUM SALTS - A crystal of pyrroloquinoline quinone disodium salt having peaks at 2θ of 9.1°, 10.3°, 13.8°, 17.7°, 18.3°, 24.0°, 27.4°, 31.2° and 39.5° (±0.2° for each) in powder X-ray diffractometry using Cu Kα radiation, or a crystal of pyrroloquinoline quinone trisodium salt having peaks at 2θ of 6.6°, 11.4°, 13.0°, 22.6°, 26.9°, 27.9°, 37.0°, 38.9° and 43.4° (±0.2° for each) in powder X-ray diffractometry using Cu Kα radiation. | 02-11-2016 |
| 20160032099 | POLYAMIDE RESIN COMPOSITION AND MOLDED ARTICLE USING SAME - The present invention provides a polyamide resin composition containing a polyamide resin (A) in which a diamine constituent unit thereof includes a constituent unit derived from a xylylenediamine (a-1), and a dicarboxylic acid constituent unit thereof includes a constituent unit derived from an α,ω-linear aliphatic dicarboxylic acid (a-2) having from 4 to 20 carbon atoms; and a polyether polyamide (B) in which a diamine constituent unit thereof includes constituent units derived from a polyether diamine compound (b-1) represented by a specified structural formula and a xylylenediamine (b-2), and a dicarboxylic acid constituent unit thereof includes a constituent unit derived from an α,ω-linear aliphatic dicarboxylic acid (b-3) having from 4 to 20 carbon atoms. | 02-04-2016 |
| 20160032082 | COMPOSITE FIBERS, WEAVE FABRICS, KNITTED FABRICS AND COMPOSITE MATERIALS - Provided is a composite fiber in which a polyamide resin fiber and a continuous reinforcing fiber are dispersed. A composite fiber comprising (A) a polyamide resin fiber made from a polyamide resin composition, (B) a continuous reinforcing fiber, and (a) a treating agent for the polyamide resin fiber (A); wherein an amount of the treating agent (a) is 0.1 to 2.0% by mass of the polyamide resin fiber (A); and the polyamide resin composition comprises a polyamide resin containing a diamine structural unit, 50 mol % or more of which is derived from xylylenediamine, and having a number average molecular weight (Mn) of 6,000 to 30,000; and 0.5 to 5% by mass of the polyamide resin has a molecular weight of 1,000 or less. | 02-04-2016 |
| 20160031628 | OXYGEN ABSORBENT COMPOSITION - The oxygen absorbent composition of the present invention at least contains a polyester oligomer containing a constitutional unit having a predetermined tetralin ring and a transition metal catalyst. It is preferable that the oxygen absorbent composition of the present invention further contains a thermoplastic resin. | 02-04-2016 |
| 20160017095 | ACTIVE-ENERGY-RAY-CURABLE RESIN, AND GAS BARRIER LAMINATE COMPRISING CURED PRODUCT OF SAID RESIN - A resin according to the present invention is prepared by reacting a reaction product, which is obtained by Michael addition reaction between the following component (A) and the following component (B) and a subsequent amide group formation reaction, with the following component (C):
| 01-21-2016 |
| 20160017092 | OXYGEN-ABSORBING RESIN COMPOSITION AND OXYGEN-ABSORBING MULTILAYER INJECTION-MOLDED ARTICLE AND OXYGEN-ABSORBING MULTILAYER CONTAINER USING SAME - An oxygen-absorbing resin composition containing a polyester compound and a transition metal catalyst, wherein the polyester compound has at least one constituent unit having a tetralin ring selected from the group consisting of constituent units represented by general formulas (1) to (4) and wherein the polyester compound is a polyester compound having a tetralin ring obtained by synthesis using a zinc compound. | 01-21-2016 |
| 20160003978 | COMPOSITION FOR OPTICAL MATERIAL AND OPTICAL MATERIAL OBTAINED THEREFROM - With the present invention, it is possible to provide a composition for optical materials which comprises: a polythiol compound satisfying any one of the following i) to iii) i) the compound has an ammonium cation concentration of 0.1 to 400 μmol/kg, ii) the compound has a thiocyanic acid anion concentration of 0.1 to 600 μmol/kg, and iii) the compound has an ammonium cation concentration of 0.1 to 400 μmol/kg and a thiocyanic acid anion concentration of 0.1 to 600 μmol/kg, the product of the ammonium cation concentration and the thiocyanic acid anion concentration being 0.01 to 100,000 (μmol/kg) | 01-07-2016 |
| 20160002832 | FIBER FABRIC AND MOLDED ARTICLE OBTAINABLE BY MOLDING FIBER FABRIC - Provided is a fiber fabric excellent in high mechanical strength and shapability. The fiber fabric comprising warps and wefts: wherein either one of the warps and the wefts is configured by a polyamide resin fiber composed of a polyamide resin composition, and the other is configured by a continuous carbon fiber; in an arbitrary square area of the fiber fabric, one side of the arbitrary square area is aligned in parallel to the warps, and other one side of the arbitrary square area is aligned in parallel to the wefts, the continuous carbon fiber has an average length 1.1 to 1.6 times longer than the length of a side of the square; the polyamide resin composition contains a polyamide resin in which 50% by mole or more of diamine structural units thereof is derived from xylylenediamine; and wherein the polyamide resin has a number-average molecular weight (Mn) of 6,000 to 30,000, and 0.5 to 5% by mass of the polyamide resin has a molecular weight of 1,000 or smaller. | 01-07-2016 |
| 20160001914 | MULTI-LAYER BOTTLE AND METHOD FOR PRODUCING SAME - In the multilayer bottle of the present invention, an outermost layer and an innermost layer are each composed of a polyester (Z1); a barrier layer is composed of a resin composition containing 40 to 99 parts by mass of a polyamide (X) and 1 to 60 parts by mass of a polyester (Z2); an alkali compound (A) is blended in the resin composition; and furthermore, the resin composition satisfies the following formulae (1) to (3). | 01-07-2016 |
| 20150380273 | LIQUID COMPOSITION USED IN ETCHING MULTILAYER FILM CONTAINING COPPER AND MOLYBDENUM, MANUFACTURING METHOD OF SUBSTRATE USING SAID LIQUID COMPOSITION, AND SUBSTRATE MANUFACTURED BY SAID MANUFACTURING METHOD - The present invention provides a liquid composition used for etching a multilayer film containing copper and molybdenum, an etching method for etching a multilayer film containing copper and molybdenum, and a substrate. The present invention further provides a liquid composition for etching a multilayer-film wiring substrate which has an oxide layer (IGZO) including indium, gallium and zinc laminated on the substrate, and further a multilayer film including at least a layer containing molybdenum and a layer containing copper provided thereon, a method for etching a multilayer film containing copper and molybdenum from the substrate, and a substrate. According to the present invention, a liquid composition comprising (A) a maleic acid ion source, (B) a copper ion source, and (C) at least one type of amine compound selected from the group consisting of 1-amino-2-propanol, 2-(methylamino)ethanol, 2-(ethylamino)ethanol, 2-(butylamino)ethanol, 2-(dimethylamino)ethanol, 2-(diethylamino)ethanol, 2-methoxyethylamine, 3-methoxypropylamine, 3-amino-1-propanol, 2-amino-2-methyl-1-propanol, 1-dimethylamino-2-propanol, 2-(2-aminoethoxyl)ethanol, morpholine and 4-(2-hydroxyethyl)morpholine and having a pH value of 4-9 is used. | 12-31-2015 |
| 20150380125 | RESIN COMPOSITION FOR HIGH DIELECTRIC CONSTANT MATERIALS, MOLDED ARTICLE CONTAINING SAME, AND MASTER BATCH FOR COLORING - This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less. | 12-31-2015 |
| 20150368183 | MANUFACTURING PROCESS FOR MEMANTINE - A method for manufacturing 3,5-dimethyl-1-adamantanamine of the present invention comprises: (i) a step of reacting 3,5-dimethyl-1-adamantanol with an acid and nitrile in an organic solvent to obtain a reaction solution; (ii) a step of adding water to the reaction solution obtained in step (i) to obtain 1-amido-3,5-dimethyladamantane; and (iii) a step of hydrolyzing 1-amido-3,5-dimethyladamantane obtained in step (ii) in the presence of an alcohol-containing solvent and an inorganic base. | 12-24-2015 |
| 20150368023 | OXYGEN-ABSORBING MEDICAL MULTILAYER CONTAINER AND METHOD FOR STORING BIOLOGICAL MEDICINE - Provided is an oxygen-absorbing medical multilayer container including at least three layers including a first resin layer containing a thermoplastic resin (b1), an oxygen-absorbing layer containing an oxygen-absorbing composition, and a second resin layer containing a thermoplastic resin (b2), in this order, where the oxygen-absorbing composition contains at least one compound having a tetralin ring represented by Formula (1), a transition metal catalyst, and a thermoplastic resin (a). | 12-24-2015 |
| 20150368022 | OXYGEN-ABSORBING MULTILAYER BODY, OXYGEN-ABSORBING CONTAINER, OXYGEN-ABSORBING AIRTIGHT CONTAINER, OXYGEN-ABSORBING PUSH-THROUGH PACK, AND STORAGE METHOD USING SAME - Provided is an oxygen-absorbing multilayer body including an oxygen-absorbing layer containing an oxygen-absorbing composition and a thermoplastic resin layer containing a thermoplastic resin (b), wherein the oxygen-absorbing composition includes at least one compound having a tetralin ring represented by Formula (1), a transition metal catalyst, and a thermoplastic resin (a). | 12-24-2015 |
| 20150355395 | COLORED LOW-POLARIZING FILMS, COLORED LOW-POLARIZING SHEETS, AND COLORED LOW-POLARIZING LENSES, AND METHODS THEREOF - A colored low-polarizing film of a desired color is produced by causing a polyvinyl alcohol film to swell with water, stretching, dyeing with an organic dichroic dye, and drying it; a polarizing sheet including the film and transparent sheets attached to both sides of the film by an adhesive; and an injection-molded polarizing lens obtained by causing the sheet to curve to impart spherical or aspherical surfaces to obtain a curved polarizing lens and injecting a transparent resin onto the concave surface of the lens. The dye includes a dichroic organic dye and a coloration organic dye, wherein the dichroic composition includes a combination of dichroic dyes having a dichroic ratio of 13 or higher, wherein the coloration dye composition includes a combination of dyes having an extremely low dichroic ratio, of 4 or less, or substantially having no dichroic ratio. | 12-10-2015 |
| 20150353251 | PACKAGED ARTICLE OF OXYGEN ABSORBING MULTILAYER BODY AND METHOD FOR STORING OXYGEN ABSORBING MULTILAYER BODY - There are provided a packaged article and a storage method that can maintain the oxygen absorption performance of an oxygen absorbing multilayer body containing an easily oxidizable thermoplastic resin and a transition metal catalyst during long-term storage, and the like. The packaged article of an oxygen absorbing multilayer body of the present invention is obtained by hermetically sealing in a gas barrier container (A) an oxygen absorbing multilayer body comprising at least two layers, an isolation layer comprising a thermoplastic resin and an oxygen absorption layer comprising an oxygen absorbing resin composition comprising an easily oxidizable thermoplastic resin and a transition metal catalyst, and (B) a gas having a carbon dioxide concentration of 0.1 to 100% by volume. | 12-10-2015 |
| 20150351236 | METHOD FOR MANUFACTURING METAL FOIL-CLAD LAMINATE - A method for manufacturing a metal foil-clad laminate in which the occurrence of voids and unevenness is suppressed compared with conventional ones even when a prepreg obtained from a curable resin composition containing a relatively large amount of an inorganic filler is used. A laminate and a metal foil-clad laminate has excellent moldability, a low thermal expansion coefficient, and high glass transition temperature and is excellent in the peel strength of the metal foil. A method comprises disposing one or more prepregs between metal foils so that the one or more prepregs are in contact with metal surfaces, and heating and pressurizing the one or more prepregs and the metal foils in a vacuum atmosphere to laminate the prepregs and the metal foils to obtain a metal foil-clad laminate; and further subjecting the metal foil-clad laminate to heating and pressurization treatment in a vacuum atmosphere. | 12-03-2015 |
| 20150344733 | RESIN COMPOSITION, PREPREG, LAMINATE, METAL FOIL-CLAD LAMINATE, AND PRINTED-WIRING BOARD - The present invention provides a resin composition including: nanoparticles (A) of alumina and/or boehmite having an average particle size of 1.0 nm to 100 nm; fine particles (B) having an average particle size of 0.20 μm to 100 μm; and a thermosetting resin (C), wherein the nanoparticles (A) have their surfaces treated with a polysiloxane-based modifier. | 12-03-2015 |
| 20150344642 | POLYAMIDE RESIN COMPOSITION - The present invention relates to a polyamide resin composition comprising polyamide (X) comprising a diamine unit containing 70 mol % or more of a metaxylylenediamine unit and a dicarboxylic acid unit and an alkali compound (A), wherein the following equations (1) to (3) are satisfied: | 12-03-2015 |
| 20150340241 | SILICON ETCHING LIQUID, SILICON ETCHING METHOD, AND MICROELECTROMECHANICAL ELEMENT - The present invention is able to provide: a silicon etching liquid which anisotropically dissolves single crystal silicon, and which is characterized by containing (1) potassium hydroxide or sodium hydroxide, (2) a hydroxyl amine and (3) a cyclic compound represented by general formula (I), which has a thiourea group and wherein N and N′ are linked; and a silicon etching method which uses this silicon etching liquid. | 11-26-2015 |
| 20150337079 | POLYARYLATE AND MOLDED ARTICLE USING SAME - The present invention can provide a polyarylate obtained from a dihydric phenol component and an aromatic dicarboxylic acid component. The polyarylate is characterized in that the dihydric phenol component contains a compound represented by general formula (A) or (B) as a primary raw material, and the pencil hardness of the polyarylate is H or higher. | 11-26-2015 |
| 20150337075 | RESIN COMPOSITION, PREPREG, AND FILM - A resin composition for transparent substrates comprises an epoxy resin (A) and a curing agent (B), wherein the curing agent (B) comprises a cyclohexane tricarboxylic anhydride. | 11-26-2015 |
| 20150329712 | POLYETHYLENE-BASED STRUCTURE - A polyethylene-based structure of the present invention is a polyethylene-based structure composed of a resin composition containing 60 to 90% by mass of a polyethylene (A), 5 to 35% by mass of an acid-modified polyethylene (B), and 5 to 35% by mass of a m-xylylene group-containing polyamide (C), wherein the m-xylylene group-containing polyamide (C) is dispersed in the form of layers in the resin composition which constitutes the structure, and the acid value of the acid-modified polyethylene (B) is from 5 to 30 mg/g. | 11-19-2015 |
| 20150322206 | FIBER REINFORCED POLYAMIDE RESIN MATERIAL - Provided is a fiber reinforced polyamide resin material which has high rigidity and low water absorbency, and is excellent in moldability and mechanical properties of the molded article. A fiber reinforced polyamide resin material, comprises 100 parts by mass of polyamide resin (A) which is a polycondensate of diamine and dicarboxylic acid and 5 to 300 parts by mass of a carbon fiber (B); wherein 70 mol % or more of the diamine is a xylylenediamine; 50 mol % or more the dicarboxylic acid is a Straight-chain aliphatic dicarboxylic acid containing 4 to 20 carbon atoms; the polyamide resin (A) has a terminal amino group concentration ([NH | 11-12-2015 |
| 20150322203 | PROCESS FOR PREPARING HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN - The present invention provides a process for preparing a highly polymerized aromatic polycarbonate resin which not only has excellent quality such that it has high molecular weight and high fluidity, but also has more excellent heat resistance. The process of the present invention comprises a highly polymerizing step for reacting an aromatic polycarbonate prepolymer with an aliphatic diol compound of the following formula (I) having hydroxymethyl groups (HO—CH | 11-12-2015 |
| 20150319853 | RESIN COMPOSITION, PREPREG, LAMINATE, METALLIC FOIL CLAD LAMINATE, AND PRINTED CIRCUIT BOARD - An object of the present invention is to provide a resin composition that has a variety of properties required for a material for printed circuit boards such as high flame retardancy, and can attain a cured product having high moldability, high resistance against chemicals in a desmearing step, and a small coefficient of thermal expansion, a prepreg comprising the resin composition, a laminate including the prepreg, a metallic foil clad laminate including the prepreg, and a printed circuit board including the prepreg. A resin composition comprising an acrylic-silicone copolymer (A), a halogen-free epoxy resin (B), a cyanic acid ester compound (C) and/or a phenol resin (D), and an inorganic filler (E). | 11-05-2015 |
| 20150315357 | POLYAMIDE RESIN COMPOSITION - The present invention relates to a polyamide resin composition comprising polyamide (X) comprising a diamine unit containing 70 mol % or more of a metaxylylenediamine unit and a dicarboxylic acid unit and an alkali compound (A), wherein the following equations (1) to (4) are satisfied: | 11-05-2015 |
| 20150307708 | RESIN COMPOSITION, PRE-PREG, LAMINATE, METAL FOIL-CLAD LAMINATE, AND PRINTED WIRING BOARD - An object of the present invention is to provide a resin composition that can attain cured products having high flame retardancy, high heat resistance, a small coefficient of thermal expansion, and high drilling processability, a prepreg having the resin composition, laminate and a metal foil clad laminate having the prepreg, and a printed circuit board having the resin composition. A resin composition, having at least an epoxy silicone resin (A) prepared by reacting a linear polysiloxane (a) having a carboxyl group with a cyclic epoxy compound (b) having an epoxy group such that the epoxy group of the cyclic epoxy compound (b) is 2 to 10 equivalents based on the carboxyl group of the linear polysiloxane (a), a cyanic acid ester compound (B) and/or a phenol resin (C), and an inorganic filler (D). | 10-29-2015 |
| 20150299461 | AROMATIC POLYCARBONATE RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE FORMED FROM AROMATIC POLYCARBONATE RESIN COMPOSITION - An aromatic polycarbonate resin composition is obtained by removing a solvent from a resin solution that is obtained by dissolving an aromatic polycarbonate resin-A that has a viscosity-average molecular weight of 3,000-25,000 and an aromatic polycarbonate resin-B that has a viscosity-average molecular weight of 50,000-90,000 into the solvent. The aromatic polycarbonate resin-A is contained in an amount of 99-50% by mass and the aromatic polycarbonate resin-B is contained in an amount of 1-50% by mass relative to the total mass of the aromatic polycarbonate resin-A and the aromatic polycarbonate resin-B; a plate-like molded article having thickness of 3.0 mm and molded from the aromatic polycarbonate resin composition has a haze value of 2% or less; and the number of unmelted polycarbonate pieces having a length of 100 μm or more and present within a region of 5 cm×3 cm in the plate-like molded article is 10 or less. | 10-22-2015 |
| 20150298887 | OXYGEN-ABSORBING RESIN COMPOSITION, AND MULTILAYER BODY, CONTAINER, INJECTION-MOLDED BODY, AND MEDICAL CONTAINER USING SAME - Provided are a novel oxygen-absorbing resin composition not responsive to a metal detector, producing no odor after absorption of oxygen and having excellent oxygen-absorbing performance, and a multilayer body, container, injection-molded article and medical container using these. Further provided are an oxygen-absorbing resin composition etc. having excellent oxygen-absorbing performance in a wide range of humidity conditions from low humidity to high humidity. The oxygen-absorbing resin composition of the present invention is an oxygen-absorbing resin composition containing a polyamide compound and a transition metal catalyst, wherein the polyamide compound has at least one constituent unit having a tetralin ring. Moreover, the multilayer body, container, injection-molded article, medical container, etc. of the present invention are obtained by using the oxygen-absorbing resin composition of the present invention. | 10-22-2015 |
| 20150291736 | METHOD FOR PRODUCING POLYAMIDE - The invention is a method for producing a polyamide having a melting point of 255° C. or higher through polycondensation of a mixed xylylenediamine containing paraxylylenediamine as a diamine component and a dicarboxylic acid component in a batch reactor, wherein when the diamine component is dropwise added to the dicarboxylic acid component kept in a melt state by heating it to a temperature not lower than a melting point thereof under a pressure of 0.1 MPaG or more with keeping the melt state of a reaction mixture, a temperature of the reaction mixture is maintained at 255° C. or lower until a molar ratio (diamine component/dicarboxylic acid component) of the reaction mixture reaches 0.8, and the temperature of the reaction mixture at the end of the dropwise addition is controlled to be not lower than the melting point of the polyamide. The method enables production of a polyamide having an improved hue and being advantageous with respect to quality. | 10-15-2015 |
| 20150291729 | EPOXY RESIN CURING AGENT - The epoxy resin curing agent of the present invention comprises a compound represented by the following formula (1): | 10-15-2015 |
| 20150285954 | POLYCARBONATE RESIN, PRODUCTION METHOD THEREFOR, AND OPTICAL MOLDED BODY - The polycarbonate resin of the present invention has a structural unit represented by general formula (A): | 10-08-2015 |
| 20150284510 | POLYFORMAL RESIN COPOLYMER AND PRODUCTION METHOD - Provided is a thermoplastic resin having a high refractive index, which is favorable as an optical material. Provided are a polyformal resin copolymer comprising a high refractive index diol that has a fluorene skeleton and an aromatic diol that has a low glass-transition point when polymerized, and a method for producing the same. | 10-08-2015 |
| 20150284509 | AROMATIC POLYCARBONATE RESIN COMPOSITION - The present invention provides an aromatic polycarbonate resin composition having a high molecular weight and less amount of a heterologous structure, retaining good qualities, and excellent in thermal stability, and an improved preparation process thereof. | 10-08-2015 |
| 20150274887 | PROCESS FOR PRODUCING HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN - The invention provides a process for producing a highly polymerized aromatic polycarbonate resin including a molecular weight-increasing step of reacting an aromatic polycarbonate prepolymer with an aliphatic diol compound represented by Formula (g2) in the presence of a transesterification catalyst to obtain a highly polymerized aromatic polycarbonate resin. In the formula, Ra and Rb each independently represent a hydrogen atom, a halogen atom, a linear or branched alkyl group, a cycloalkyl group, an aryl group or an alkoxy group, or Ra and Rb may be bonded to each other to form a ring; R | 10-01-2015 |
| 20150267047 | RESIN COMPOSITION, PREPREG, LAMINATE, AND PRINTED WIRING BOARD - A resin composition containing a cyclic epoxy-modified silicone compound (A) represented by formula (1), a cyanic acid ester compound (B) and/or a phenol resin (C) and an inorganic filler (D): | 09-24-2015 |
| 20150267006 | PROCESS FOR PREPARING HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN - The present invention is to provide a process for preparing a highly polymerized aromatic polycarbonate resin, which comprises the steps of a highly polymerizing step for reacting an aromatic polycarbonate prepolymer and an aliphatic diol compound in the presence of a transesterification catalyst to obtain a highly polymerized aromatic polycarbonate resin, a cyclic carbonate removal step for removing at least part of the cyclic carbonate by-produced in the above highly polymerizing step out of the reaction system, and a recycle step of hydrolyzing the cyclic carbonate removed in the cyclic carbonate removal step to obtain an aliphatic diol compound and using the obtained aliphatic diol compound as at least a part of the aliphatic diol compound to be used in the highly polymerizing step. | 09-24-2015 |
| 20150259477 | NOVEL EPISULFIDE COMPOUND AND OPTICAL MATERIAL COMPOSITION - According to a preferred embodiment of the present invention, with an optical material compound including an episulfide compound represented by formula (1) and an episulfide compound represented by formula (2), it is possible to stably and inexpensively store the episulfide compound represented by formula (2) and also provide an optical material having excellent light resistance (in formula (1), m represents an integer from 0 to 4, and n represents an integer from 0 to 2) (in formula (2), m represents an integer from 0 to 4, and n represents an integer from 0 to 2). | 09-17-2015 |
| 20150259467 | OXYGEN-ABSORBING RESIN COMPOSITION - Provided is an oxygen-absorbing resin composition having a polyester compound having a constitutional unit (a), which has at least one tetralin ring selected from the group consisting of the following general formulas (1) to (4) and a constitutional unit (b) represented by the following general formula (5) and/or general formula (6). | 09-17-2015 |
| 20150258538 | METHOD FOR PRODUCING CATALYST FOR USE IN PRODUCTION OF METHYLAMINE COMPOUND, AND METHOD FOR PRODUCING METHYLAMINE COMPOUND - According to the present invention, a method for producing a catalyst for use in the production of a methylamine compound can be provided, wherein the catalyst comprises a modified crystalline silicoaluminophosphate salt molecular sieve. The method comprises: a moisture control step of adsorbing moisture onto a crystalline silicoaluminophosphate salt molecular sieve in an amount of 5 to 30 wt % of the crystalline silicoaluminophosphate salt molecular sieve; and a step of heating the crystalline silicoaluminophosphate salt molecular sieve having moisture adsorbed thereon under a pressure of 0.1 MPa or more and at a temperature of 130 to 350° C. for 5 to 40 hours. | 09-17-2015 |
| 20150252234 | POLYMERIZABLE COMPOSITION, AND CURED ARTICLE - According to the present invention, a polymerizable composition having excellent storage stability can be provided by adding an acid that serves as a stabilizing agent and a free-radical polymerization inhibitor to a polymerizable composition that contains a polythiol compound and an enic compound having a phenylthio backbone as monomer components. In the present invention, an embodiment in which the acid is at least one compound having a protonic-acid-type functional group which is selected from phosphoric acid, phosphonic acid, phosphinic acid, sulfonic acid, sulfoneimide and carboxylic acid is preferred. | 09-10-2015 |
| 20150251985 | NEW ALICYCLIC DIOL COMPOUND AND MANUFACTURING METHOD THEREOF - The alicyclic diol compound of the present invention is represented by the following formula (1). | 09-10-2015 |
| 20150248023 | POLARIZING LENS FOR SUNGLASSES - Provided is a polarizing lens that is excellent in terms of impact resistance, prevention of eye strain, and a small variation of color tone or transparency or both. A sunglass polarizing lens that is formed by laminating a transparent protective sheet via an adhesive layer to each surface of a polarizing film that is made from polyvinyl alcohol and that is stretched and stained with dichroic organic dye; curving the resultant laminate so as to impart spherical or aspherical surfaces thereto to obtain a polarizing sheet; and injecting a transparent resin for a lens onto a surface of the polarizing sheet, wherein the polarizing film is stained by combined dichroic organic dyes so that the dichroic ratio of the film is within the range of from 5 to 14. | 09-03-2015 |
| 20150243553 | METHOD FORMING THROUGH-VIA USING ELECTROLESS PLATING SOLUTION - The present invention provides a method for forming a through-via, including the steps of (1) forming an alloy film as a diffusion-preventive layer that prevents diffusion of copper, in an area on a side wall of a hole formed in a substrate that extends from an entrance of the hole to a central part of the hole, by use of an electroless cobalt plating solution or an electroless nickel plating solution containing at least cobalt ion or nickel ion, a complexing agent, a reductant, and a pH adjusting agent; (2) forming an alloy film as a diffusion-preventive layer in an area on the side wall of the hole formed in the substrate that extends from the central part of the hole to a bottom of the hole, by use of an electroless cobalt plating solution or an electroless nickel plating solution containing at least the cobalt ion or the nickel ion, the complexing agent, the reductant, the pH adjusting agent, and an amino group-containing polymer; and (3) stacking a copper seed layer on the diffusion-preventive layer formed in each of steps (1) and (2) by use of an electroless copper plating solution. | 08-27-2015 |
| 20150239823 | ALICYCLIC DICARBOXYLIC ACID ESTER COMPOUND AND MANUFACTURING METHOD THEREOF - The alicyclic dicarboxylic acid ester compound of the present invention is represented by the following formula (1): | 08-27-2015 |
| 20150234210 | COLORED POLARIZING FILMS, COLORED POLARIZING SHEETS, AND COLORED POLARIZING LENSES, AND METHODS THEREOF - A polarizing film is produced by swelling a polyvinyl alcohol film with water, uniaxially stretching it, dyeing it with an organic dichroic dye, and drying it, wherein a dichroic organic dye composition includes a combination of organic dyes having a dichroic ratio of 13 or higher used in an amount to keep the degree of polarization at 90% or more, and wherein the coloration dye composition comprises a combination of dyes having extremely low dichroic ratios of 4 or less or substantially having no dichroic ratio, laminating at least one layer of a transparent plastic sheet onto at least both sides of the polarizing film, curving the polarizing sheet so as to impart spherical or aspherical surfaces thereto to obtain a polarizing and injecting a transparent resin to the concave surface of the curved polarizing sheet to obtain an injection polarizing lens. | 08-20-2015 |
| 20150232251 | OXYGEN ABSORBER COMPOSITION AND OXYGEN ABSORBER PACKAGE - The present invention provides an oxygen absorbing agent composition comprising a compound (A) having two or more tetralin rings, and a transition metal catalyst. | 08-20-2015 |
| 20150225536 | POLYACETAL STRETCHED FIBER - The present invention is directed to a polyacetal stretched fiber of a polyacetal resin composition which contains a polyacetal resin and a fatty acid metal salt in an amount of 0.01 to 5 phr relative to the polyacetal resin, wherein the stretched fiber is obtained by stretching a fiber at a temperature of 100° C. or more to a temperature lower than the melting point of a polyacetal resin composition, and the fiber is obtained by melt spinning the polyacetal resin composition, and a fiber assembly comprising the stretched fiber as a main constituent. | 08-13-2015 |
| 20150225523 | POLYIMIDE RESIN COMPOSITION - Provided is a polyimide resin composition capable of forming a polyimide film which is excellent in transparency and heat resistance and has a low thermal linear expansion coefficient. The polyimide resin composition contains a polyimide resin produced by reacting (A) a tetracarboxylic dianhydride with (B) a diamine containing a phenolic hydroxyl group-containing diamine in an amount of from 5 to 100 mol % of the total diamine; and silica microparticles, in a ratio by mass of from 25/75 to 60/40. | 08-13-2015 |
| 20150225513 | PROCESS FOR PRODUCING RESIN COMPOSITION CONTAINING ACTIVE PARTICLES - There is provided a process for producing a resin composition in a safe and cost-effective manner, the resin composition being a dispersion of active particles reactive with oxygen in a thermoplastic resin. The process is one for producing a resin composition containing at least a thermoplastic resin and active particles that have been dispersed in the thermoplastic resin and are reactive with oxygen in an atmosphere, the process comprising the steps of: protecting the active particles with a dispersion medium to prevent oxygen in the atmosphere from contacting with the active particles; removing the dispersion medium while melt-kneading the thermoplastic resin and the active particles protected with the dispersion medium to replace the dispersion medium with the thermoplastic resin; and cooling and solidifying the thermoplastic resin with the active particles dispersed therein. | 08-13-2015 |
| 20150225236 | METAL COMPLEX AND METHOD FOR PRODUCING HYDROGEN PEROXIDE - An object of the present invention is to provide a novel method for producing hydrogen peroxide by direct synthesis that is capable of taking the place of the conventional anthraquinone process, and to provide a catalyst used in the production method. | 08-13-2015 |
| 20150224748 | SYNTHETIC RESIN LAMINATE - The present invention has an object of providing a synthetic resin laminate that is usable for a transparent substrate material or protective material, has high thermoformability (pressure formability, thermal-bending formability), high insert moldability, and high surface hardness and/or impact resistance, and also providing a molded body formed by molding such a synthetic resin laminate. The synthetic resin laminate includes a polycarbonate-based substrate layer; and a resin laminated on one of, or both of, two surfaces of the polycarbonate-based substrate layer, the resin containing a specific (meth)acrylate copolymer resin and a specific polycarbonate resin. The polycarbonate-based substrate layer includes a polymer alloy and thus has a glass transition temperature (Tg) of 110 to 130° C. Thus, the resultant synthetic resin laminate has high thermoformability and high surface hardness. | 08-13-2015 |
| 20150218344 | POLYETHER-POLYAMIDE COMPOSITION - Provided is a polyether polyamide composition including a polyether polyamide in which a diamine constituent unit thereof is derived from a specified polyether diamine compound and a xylylenediamine, and a dicarboxylic acid constituent unit thereof is derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms and a stabilizer. | 08-06-2015 |
| 20150210966 | CLEANING LIQUID FOR SEMICONDUCTOR ELEMENTS AND CLEANING METHOD USING SAME - By cleaning with use of a cleaning liquid that contains 10-30% by mass of hydrogen peroxide, 0.005-10% by mass of a quaternary ammonium hydroxide, 0.005-5% by mass of potassium hydroxide, 0.000005-0.005% by mass of an amino polymethylene phosphonic acid and water, a hard mask, an organosiloxane-based thin film, dry etching residue and a photoresist can be removed without corroding a low-dielectric-constant interlayer dielectric film, a wiring material such as copper or an copper alloy, a barrier metal and a barrier dielectric film. According to preferred embodiments of the present invention, damage to copper wiring lines is suppressed even in cases where an acid is added into the cleaning liquid and significant decomposition of hydrogen peroxide is not caused even in cases where titanium is added into the cleaning liquid. | 07-30-2015 |
| 20150210832 | RESIN SHEET, SUPPORT WITH RESIN LAYER, LAMINATE AND METAL FOIL-CLAD LAMINATE - The present invention provides a resin sheet that exhibits a small reduction in light reflectance due to a heating treatment and a light irradiation treatment with an excellent heat resistance being maintained. The present invention provides a resin sheet including a layer including a resin composition containing an aliphatic epoxy-modified silicone compound (A), a branched imide resin having an isocyanurate group and a carboxyl group (B), titanium dioxide (C) and a wetting and dispersing agent (D). | 07-30-2015 |
| 20150205011 | SPECIAL POLYCARBONATE POLARIZING EYEWEAR - Eyewear uses a polarizing lens obtained by bending a multilayer polarizing sheet in which a sheet (A) including at least 50% by mass of an aromatic polycarbonate resin and having a retardation value of 2000 nm or less at a wavelength of 600 nm is layered on one side of a polarizing film, and a sheet (B) including a special polycarbonate resin obtained by carbonate bonding a dihydroxy compound through use of a carbonic acid diester, the polycarbonate resin being a compound in which 70-100 mol % of the dihydroxy compound is represented by general formula (1), is layered on the other side of the polarizing film. | 07-23-2015 |
| 20150203678 | OXYGEN-ABSORBING RESIN COMPOSITION AND OXYGEN-ABSORBING MULTILAYER BODY USING THE SAME - The present invention provides an oxygen-absorbing resin composition having a satisfactory oxygen absorption performance and suppressing the occurrence of odor after oxygen absorption, even in an aspect substantially containing no photoinitiator, and an oxygen-absorbing multilayer body using the oxygen-absorbing resin composition. An oxygen-absorbing resin composition initiating oxygen absorption by irradiation with an energy ray, the composition including an easily oxidizable thermoplastic resin and a transition metal catalyst, and wherein the easily oxidizable thermoplastic resin includes a polybutadiene (X) and a resin (Y) having carbon-carbon double bonds and the constitutional unit of the following general formula (1): | 07-23-2015 |
| 20150203633 | COMPOSITION FOR OPTICAL MATERIALS, PROCESS FOR PRODUCTION THEREOF, AND OPTICAL MATERIALS MADE FROM THE COMPOSITION - The present invention has an object of providing, for example, a composition for optical materials which contains a polythiol that can be predicted and assessed, in a stage prior to polymerization/curing, as being clouded or not clouded after polymerization/curing, and thus can be determined as being good or defective. According to the present invention, the above-described object is achieved by, for example, a composition for optical materials which comprises a polythiol that exhibits an initial turbidity of 0.5 ppm or less and a turbidity of 0.6 ppm or less after the storage at 50° C. for 7 days, and an episulfide. Namely, an optical material made from a composition for optical materials which contains a polythiol satisfying the above turbidity requirements can be prevented from clouding to exhibit excellent transparency. | 07-23-2015 |
| 20150203488 | PYRROLOQUINOLINE QUINONE TETRAALKALI SALT AND CRYSTAL THEREOF, METHODS FOR PRODUCING THESE, AND COMPOSITION - An object of the present invention is to provide a pyrroloquinoline quinone tetraalkali salt needing no special reagent, having a high solubility in a solvent, being capable of providing a high-concentration pyrroloquinoline quinone aqueous solution, being hardly changed in color even if being concurrently used with ascorbic acid, and being of a high quality and a high purity; a crystal of a pyrroloquinoline quinone tetrasodium salt; a composition; and a simple method for producing the pyrroloquinoline quinone tetraalkali salt. | 07-23-2015 |
| 20150203225 | METHOD OF PACKAGING PARTICLE-LIKE MATERIAL, AND PACKAGING MACHINE FOR A PARTICLE-LIKE MATERIAL - A method of packaging a particle-like material includes: creating a state where an inert gas introduction pipe and an inert gas exhaust pipe being inserted into an airtight container, and where the airtight container being filled up with a particle-like material, and then temporarily closing the opening portion; introducing an inert gas through the inert gas introduction pipe into the airtight container, and discharging the inert gas introduced into the airtight container out through the inert gas exhaust pipe, to thereby replace the inside of the airtight container with the inert gas; and, removing the inert gas introduction pipe and the inert gas exhaust pipe out from the airtight container, and then closing the opening portion of the airtight container. | 07-23-2015 |
| 20150191292 | PROCESS FOR PRODUCING OXYGEN ABSORBING AGENT - A process for producing an oxygen absorbing agent includes treating an alloy with an aqueous solution of an acid or an alkali, the alloy including at least one transition metal selected from the group consisting of manganese, iron, platinum, and copper group metals and at least one metal selected from the group consisting of aluminum, zinc, tin, lead, magnesium, and silicon to elute and remove at least a part of the component; and subjecting the alloy obtained by removing at least a part of the component in the alloy to treatment with an aqueous solution of a salt of an inorganic acid or a salt of an organic acid that can form a salt with the transition metal as the component, to form a metal salt in at least a part of the surface of the alloy. | 07-09-2015 |
| 20150160479 | FUNCTIONAL SHEET AND LENS USING SAME - According to the present invention, a functional sheet, comprising a polarizing or photochromic functional layer and protective layers provided on both surfaces of the functional layer can be provided. The protective layers include an aromatic polycarbonate resin sheet or film. At least one of the protective layers is a co-extruded sheet or film including an aromatic polycarbonate resin layer and an acrylic-based resin layer provided on one surface or both surfaces of the aromatic polycarbonate resin layer. At least one surface of the functional sheet is of the acrylic-based resin layer. Also according to the present invention, a lens using such a functional sheet can be provided. | 06-11-2015 |
| 20150156994 | OXYGEN-GENERATING AND CARBON DIOXIDE-ABSORBING AGENT COMPOSITION AND OXYGEN-GENERATING AND CARBON DIOXIDE-ABSORBING AGENT PACKAGING BODY AND METHOD FOR TRANSPORTING LIVE FISH AND SHELLFISH - The present invention provides an oxygen-generating and carbon dioxide-absorbing agent composition having excellent preservation stability. The oxygen-generating and carbon dioxide-absorbing agent composition of the present invention comprises a solid peroxide, a peroxide decomposition catalyst, and an alkali metal carbonate. | 06-11-2015 |
| 20150152366 | CLEANING LIQUID COMPOSITION, METHOD FOR CLEANING SEMICONDUCTOR ELEMENT, AND METHOD FOR MANUFACTURING SEMICONDUCTOR ELEMENT - [Problems to be Solved] The object is to provide a cleaning liquid composition, which suppresses damage to a low-dielectric constant interlayer dielectric film, a wiring material, such as copper or a copper alloy, a barrier metal, and a barrier dielectric film and removes an organosiloxane thin film, a dry etching residue and a photoresist on a treatment target surface in a process for producing a semiconductor device, as well as a cleaning method for a semiconductor device using the same, and a production process for a semiconductor device using the same. | 06-04-2015 |
| 20150144838 | OXYGEN-ABSORBING RESIN COMPOSITION - An oxygen-absorbing resin composition copolymerized polyolefin compound including a copolymerized polyolefin compound and a transition metal catalyst, wherein the copolymerized polyolefin compound is a copolymerized polyolefin compound including at least one of constitutional unit (a) selected from the group consisting of the constitutional units represented by the general formula (1), and at least one of the constitutional unit (b) having an indane ring, selected from the group consisting of the constitutional units represented by the general formulas (2) and (3). | 05-28-2015 |
| 20150144591 | ETCHING COMPOSITION AND METHOD FOR PRODUCING PRINTED-WIRING BOARD USING THE SAME - The present invention can provide an etching composition for a chemical copper plating for the production of a printed-wiring board according to a semi-additive process, which comprises 0.2 to 5% by mass of hydrogen peroxide, 0.5 to 10% by mass of sulfuric acid, 0.001 to 0.3% by mass of phenylurea, 0.1 to 3 mass ppm of halogen ion and 0.003 to 0.3% by mass of tetrazoles, and wherein the ratio of the dissolution rate of the chemical copper plating (Y) to the dissolution rate of an electrolytic copper plating (X) at a liquid temperature of 30° C. (Y/X) is 4 to 7. | 05-28-2015 |
| 20150141730 | METHOD AND APPARATUS FOR SEPARATING ALKYL AROMATIC HYDROCARBON - A method for separating an alkyl aromatic hydrocarbon, the method having a step of adding a first diluent and an extractant having a superacid to a mixture comprising the alkyl aromatic hydrocarbon and one or more isomers thereof to carry out an acid-base extraction to thereby form a complex of the alkyl aromatic hydrocarbon with the superacid, and thereafter separating the complex from the mixture, and a step of adding an eliminating agent having a relative basicity in a range of 0.06 to 10 with respect to the alkyl aromatic hydrocarbon and a second diluent to the complex, and carrying out complex exchange of the alkyl aromatic hydrocarbon for the eliminating agent to thereby separate the alkyl aromatic hydrocarbon from the complex. | 05-21-2015 |
| 20150141614 | METHOD FOR PRODUCING POLYESTER RESIN - The present invention provides a method for producing a polyester resin comprising dicarboxylic acid units and diol units, wherein at least a portion of the diol units is a diol unit having a cyclic acetal skeleton, the method comprising specific steps (1) to (4-2). | 05-21-2015 |
| 20150140883 | RESIN COMPOSITION FOR PRINTED CIRCUIT BOARD - A resin composition comprises a polyimide resin, a thermosetting resin, and a filler, the polyimide resin containing a first repeat unit represented by formula (I) and a second repeat unit represented by formula (III), wherein the ratio of the second repeat unit to the polyimide resin is between 5 and 80 mol %. | 05-21-2015 |
| 20150139892 | METHOD FOR PRODUCING HYDROGEN PEROXIDE - An object of the present invention is to provide a method by which hydrogen peroxide can be produced at a satisfactory level from an industrial and economical viewpoint without causing the load of purification to be large and without needing too large facilities for production. The present invention is directed to a method for producing hydrogen peroxide, which comprises reacting hydrogen and oxygen in a reaction medium in the presence of a noble metal catalyst and a radical scavenger. | 05-21-2015 |
| 20150133626 | METHOD OF PRODUCING POLYESTER RESIN HAVING CYCLIC ACETAL SKELETON - A method of producing a polyester resin comprising a dicarboxylate constitutional unit and a diol constitutional unit, the diol constitutional unit comprising a constitutional unit having a cyclic acetal skeleton, the method comprising reacting a diol (A) having a cyclic acetal skeleton, a bisalkyl dicarboxylate ester (B), and a diol (C) having no cyclic acetal skeleton in the presence of a basic compound (D). | 05-14-2015 |
| 20150133611 | METHOD FOR CONTINUOUS PRODUCTION OF HIGH MOLECULAR WEIGHT POLYCARBONATE RESIN - A high molecular weight polycarbonate resin is continuously produced by subjecting an aromatic polycarbonate prepolymer and an aliphatic diol compound to a linking and highly polymerizing reaction. Even an aliphatic diol compound having a comparatively low boiling point can be allowed to efficiently contribute to the linking and highly polymerizing reaction. An aromatic polycarbonate prepolymer is produced by a polycondensation reaction between an aromatic dihydroxy compound and a diester carbonate, adding an aliphatic diol compound having an aliphatic group bonding to a terminal hydroxyl group to obtain a prepolymer mixture, and subjecting the resulting prepolymer mixture to a linking and highly polymerizing reaction under reduced pressure. The aliphatic diol compound is added at a pressure exceeding 200 torr, and the prepolymer mixture is subjected to a linking and highly polymerizing reaction before the terminal hydroxyl group concentration of the aromatic polycarbonate prepolymer in the prepolymer mixture reaches 2000 ppm. | 05-14-2015 |
| 20150125228 | ENTRY SHEET FOR DRILLING AND DRILLING METHOD - Provided is an entry sheet for drilling that, compared with a conventional entry sheet for drilling, has better hole position accuracy, can suppress drill bit breakage, and exhibits less processing chips wrapping around the drill bit. This entry sheet for drilling includes a metallic support foil and a layer comprising a resin composition that is formed on at least one surface of the metallic support foil, wherein the resin composition contains a cellulose derivative (A) and a water-soluble resin (B), the cellulose derivative (A) includes a hydroxyalkyl cellulose and/or a carboxyalkyl cellulose having a weight average molecular weight of 20,000 to 350,000, and based on 100 parts by mass of the resin composition, the content of the cellulose derivative (A) is 5 to 40 parts by mass and the content of the water-soluble resin (B) is 60 to 95 parts by mass. | 05-07-2015 |
| 20150112018 | METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER - The present invention is directed to a method for producing an oxymethylene copolymer by subjecting trioxane and 1,3-dioxolane to copolymerization using boron trifluoride or a coordination compound thereof as a catalyst, wherein the copolymerization is conducted in the presence of a steric-hindrance phenol in an amount of 0.006 to 2.0% by weight, based on the weight of the trioxane, using 0.01 to 0.07 mmol of boron trifluoride or a coordination compound thereof as a catalyst, relative to 1 mol of the trioxane, and wherein, at a point in time when the polymerization yield becomes 92% or more, the formed oxymethylene copolymer and a polymerization terminator are contacted to terminate the polymerization. | 04-23-2015 |
| 20150111991 | AROMATIC ALDEHYDE, AND EPOXY RESIN CURING AGENT AND EPOXY RESIN COMPOSITION COMPRISING THE AROMATIC ALDEHYDE - There are provided a novel aromatic aldehyde compound capable of providing an epoxy resin coating film and an epoxy resin cured material satisfying all of the excellent surface property (smoothness, gloss), drying property, water resistance, transparency and adhesion, and an epoxy resin curing agent and an epoxy resin composition containing the aromatic aldehyde compound. The aromatic aldehyde has a branched alkyl group having 10 to 14 carbon atoms. | 04-23-2015 |
| 20150111044 | RESIN COMPOSITION, PREPREG, AND LAMINATED SHEET - There is provided a resin composition for printed wiring boards that, while maintaining excellent flame retardance, has excellent heat resistance, reflow resistance, and drilling workability, and, at the same time, has low water absorption without use of halogen compounds and phosphorus compounds. The resin composition comprises (A) a non-halogen epoxy resin, (B) a biphenyl aralkyl phenolic resin, (C) a maleimide compound and (D) an inorganic filler. | 04-23-2015 |
| 20150111015 | SYNTHETIC RESIN LAMINATE - A synthetic resin laminate is excellent in shape stability in high-temperature high-humidity environments and in surface hardness and usable for a transparent substrate material or protection material. A synthetic resin laminate includes a substrate layer containing a polycarbonate (B); and a resin layer laminated on one or both surfaces of the substrate layer, the resin layer containing a resin (A) that contains a (meth)acrylate copolymer (a1) and a polycarbonate (a2); wherein (a1) is a (meth)acrylate copolymer composed of 5 to 80% by mass of an aromatic (meth)acrylate unit (a11) and 20 to 95% by mass of a methyl methacrylate unit (a12); (a2) is a polycarbonate containing a constituent unit represented by formula [1]; and the ratio of (a1) with respect to the resin (A) is 5 to 55% by mass, and the ratio of (a2) with respect to the resin (A) is 95 to 45% by mass. | 04-23-2015 |
| 20150108696 | MOLDED ARTICLE HAVING EXCELLENT FUEL BARRIER PROPERTIES - The molded article includes a resin composition with a single shaft extruder, in which the resin composition is generated by melting and mixing a raw mixture, the raw mixture being obtained by blending 40-90 parts by mass of the polyolefin (A), 3-30 parts by mass of the metaxylylene group-containing polyamide (B), and 3-50 parts by mass of the modified polyolefin (C). In the single shaft extruder, the ratio of the length of the feeding part to the screw effective length is 0.40-0.55, the ratio of the length of the compressing part to the screw effective length is 0.10-0.30, the ratio of the length of the measuring part to the screw effective length is 0.10-0.40, the upper limit of the temperature of the feeding part falls within the range of +20° C. from the melting point of the metaxylylene group-containing polyamide or less, and the temperatures of the compressing part and the measuring part fall within the range of −30° C. to +20° C. from the melting point of the metaxylylene group-containing polyamide, and the shear rate is 14/second or more. | 04-23-2015 |
| 20150094431 | THERMOPLASTIC RESIN COMPOSITION AND SHEET USING SAME - This thermoplastic resin composition (D) contains a polycarbonate resin (A), a polyester resin (B) which comprises diol structural units and dicarboxylic acid structural units in which the ratio of diol structural units having a cyclic acetal skeleton to all diol structural units is 20 to 60 mol %, and a polyester resin (C) other than the polyester resin (B), wherein the ratio of the polycarbonate resin (A) to the total of the polycarbonate resin (A), the polyester resin (B) and the polyester resin (C) is 15 to 98 wt %, the ratio of the polyester resin (B) is 1 to 80 wt %, and the ratio of the polyester resin (C) is 1 to 60 wt %; further provided is a sheet using said thermoplastic resin. | 04-02-2015 |
| 20150090932 | OXYGEN ABSORBING AGENT COMPOSITION - An oxygen absorbing agent composition including at least one type of a compound having an indane skeleton represented by the following general formula (1) and a transition metal catalyst: | 04-02-2015 |
| 20150090691 | MATERIAL FOR FORMING UNDERLAYER FILM LITHOGRAPHY, UNDERLAYER FILM FOR LITHOGRAPHY AND PATTERN FORMING METHOD - Material for forming an underlayer film for lithography, which has a high carbon concentration, a low oxygen concentration, a relatively high heat resistance and also a relatively high solvent solubility, and which can be applied to a wet process is disclosed. Material for forming an underlayer film for lithography contains a compound represented by general formula (1). | 04-02-2015 |
| 20150087864 | METHOD FOR PRODUCING BRANCHED CHAIN ALDEHYDE - A method for producing a branched chain aldehyde, comprising: reacting an aliphatic olefin having a double bond at an end with carbon monoxide and hydrogen using an iodide of a Group 9 metal as a catalyst and at least one or more selected from the group consisting of hydrogen iodide and alkyl iodides as a promoter. | 03-26-2015 |
| 20150082747 | EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, AND GAS-BARRIER ADHESIVE AND GAS-BARRIER LAMINATE - Provided is e.g., an epoxy resin curing agent, epoxy resin composition and a gas-barrier adhesive containing the epoxy resin composition which can express high gas-barrier properties and excellent adhesiveness to various types of plastics, in particular, to polyester, and a gas-barrier laminate having high gas-barrier properties and excellent adhesiveness to various types of plastics, in particular, to polyester. The epoxy resin curing agent of the present invention is a reaction product of the following (A) and (B). Furthermore, the epoxy resin curing agent contains at least an epoxy resin and the epoxy resin curing agent of the present invention.
| 03-26-2015 |
| 20150080543 | THERMOPLASTIC RESIN - A thermoplastic resin has excellent heat resistance and thermal stability, low water absorption properties, excellent surface hardness and mechanical strength. A thermoplastic resin includes a constituent unit (a) that is derived from a (meth)acrylate monomer and represented by the formula (1); a constituent unit (b) that is derived from a vinyl monomer and represented by the formula (2); and a constituent unit (c) that is derived from a vinyl monomer and represented by the formula (3), and the weight percentage of the constituent unit (a), based on the total weight of the all constituent units, is 60 to 85% by weight, the weight percentage of the constituent unit (b), based on the total weight of the all constituent units, is 5 to 30% by weight, and the weight percentage of the constituent unit (c), based on the total weight of the all constituent units, is 5 to 15% by weight. | 03-19-2015 |
| 20150079368 | LAMINATE MATERIAL - An object of the present invention is to provide a laminate material for a transparent substrate material or protecting material, which exhibits excellent surface hardness, excellent form stability under heat or when absorbing water, and excellent adhesion to a coating composition, and excellent heat resistance under load, and which maintains excellent adhesion between the layers. The present invention is a laminate material comprising a first layer comprising a vinyl copolymer resin (A), and a second layer comprising a thermoplastic resin (B) stacked on the first layer, or comprising the first layer, the second layer, and a third layer comprising the vinyl copolymer resin (A) stacked on the second layer (the vinyl copolymer resin (A) constituting the first layer and the vinyl copolymer resin (A) constituting the third layer may be the same or different). | 03-19-2015 |
| 20150073120 | PRODUCTION METHOD FOR POLYAMIDE - The present invention is directed to a process for producing a polyamide, which process includes directly melt-polymerizing a diamine component including 70 mol % or more of p-xylylenediamine and a dicarboxylic acid component including 70 mol % or more of a C6 to C18 aliphatic dicarboxylic acid, in the absence of solvent in a batch-type reactor equipped with a stirring blade, the process including: (1) reacting the diamine component with the dicarboxylic acid component under a pressure condition of 0.2 to 0.5 MPa (Abs); (2) maintaining a vapor phase section of a reaction tank of the reactor at 200° C. or higher during reaction; (3) stirring the contents of the reaction tank, from the start of adding the diamine component until after completion of the addition and before the start of pressure falling, such that the stirring-related Froude number represented by a specific formula is adjusted to 0.0002 to 0.15; and (4) employing a stirring blade having no structural body in the horizontal direction or having a structural body in the horizontal direction, which body does not come into contact with the interface between the reaction mixture and the vapor phase section during stirring. In the polyamide production process, deposition of solid matter in the reaction tank vapor section and in a vapor pipe is suppressed, and incorporation into the product of unmelted solid matter originating from the deposits is reduced. | 03-12-2015 |
| 20150059295 | EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, AND GAS-BARRIER ADHESIVE AND GAS-BARRIER LAMINATE - An epoxy resin curing agent includes at least the following component (I) and component (II) in a mass ratio of 50/50 to 92/8:
| 03-05-2015 |
| 20150056454 | RESIN COMPOSITION, PREPREG, AND METAL FOIL-CLAD LAMINATE - Provided are a resin composition that can realize a prepreg, a metal foil-clad laminate and the like high in light reflectance in an ultraviolet region and in a visible light region, small in the reduction in light reflectance due to a heating treatment and a light irradiation treatment, good in peel strength of metal foil, also excellent in heat resistance after moisture absorption, also good in outer appearance, and also excellent in preservation stability, and a prepreg, a metal foil-clad laminate and the like using the same. The resin composition of the present invention contains at least an epoxy-modified silicone compound (A), a branched imide resin (B) having an isocyanurate group and a carboxyl group, a phosphorus curing accelerator (C), titanium dioxide (D) and a dispersant (E). The branched imide resin (B) is preferably at least one selected from the group consisting of an epoxy-modified branched imide resin, an alcohol-modified branched imide resin and an amine-modified branched imide resin. | 02-26-2015 |
| 20150050472 | RESIN COMPOSITION, PREPREG AND LAMINATE - The present invention provides a resin composition which can simply provide, with good reproducibility, a laminate, a printed wiring board, and the like that not only have excellent heat dissipation properties but have good moldability, good mechanical drillability and excellent appearance, and a prepreg, a metal foil-clad laminate, and the like using the same. A resin composition having a cyanate ester compound (A), an epoxy resin (B), a first inorganic filler (C), a second inorganic filler (D), and a molybdenum compound (E), wherein an average particle diameter ratio of the first inorganic filler (C) to the second inorganic filler (D) is in a range of 1:0.02 to 1:0.2. | 02-19-2015 |
| 20150048539 | POLYAMIDE RESIN-TYPE COMPOSITE MATERIAL AND METHOD FOR PRODUCING SAME - A xylylenediamine-based polyamide resin/fiber composite material and molding are provided that do not exhibit a decline in properties under high temperatures and high humidities, and that exhibit a high elastic modulus and present little warping, and exhibit better recycle characteristics, a better moldability, and a better productivity than for thermosetting resins. The polyamide resin-type composite material comprises a fibrous material (B) impregnated with a polyamide resin (A) wherein at least 50 mole % of diamine structural units derived from xylylenediamine, and having a number-average molecular weight (Mn) of 6,000 to 30,000, and containing a component of a molecular weight of not more than 1,000 at 0.5 to 5 mass %. | 02-19-2015 |
| 20150037308 | PYRROLOQUINOLINE QUINONE ALCOHOL ADDUCT - The present invention relates to a compound represented by the formula (A) or (B), or a salt thereof capable of improving a red color of pyrroloquinoline quinone (PQQ) and obtaining functions of original PQQ, and to a method of efficiently manufacturing the compound. | 02-05-2015 |
| 20150034590 | METHOD FOR PRODUCING PRINTED-WIRING BOARD - The present invention provides a method for producing a printed-wiring board in a semi-additive process, comprising the steps of: providing a chemical copper plating | 02-05-2015 |
| 20150034369 | RESIN COMPOSITION FOR PRINTED WIRING BOARDS - Provided is a resin composition which enables the formation of a roughened surface having a low roughness degree on the surface of an insulation layer in a printed wiring board material when used on the insulation layer regardless of the roughening conditions employed and also enables the formation of a conductive layer having excellent adhesion properties, heat resistance, heat resistance under absorption of moisture, thermal expansion properties and chemical resistance on the roughened surface. A resin composition comprising (A) an inorganic filler that is soluble in an acid, (B) a cyanic acid ester compound and (C) an epoxy resin. | 02-05-2015 |
| 20150030793 | POLYESTER-BASED RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDING USING RESIN COMPOSITION - The present invention provides a polyester-based resin composition containing: a resin component which contains 80 to 98 mass % of polyester resin (A) including aromatic dicarboxylic acid units and diol units, and 20 to 2 mass % of polyamide resin (B) including diamine units and dicarboxylic acid units, the diamine units containing 70 mol % or more m-xylylenediamine units and the dicarboxylic acid units containing 70 mol % or more α,ω-aliphatic dicarboxylic acid units; and 0.005 to 0.1 parts by mass of a specific epoxy-functional polymer (C) with respect to 100 parts by mass of the resin component. | 01-29-2015 |
| 20150028270 | COMPOSITION FOR OPTICAL MATERIALS - The present invention inhibits the clouding of cured products obtained by polymerizing and curing a composition including sulfur and an episulfide compound, and inhibits clouding particularly in lenses, called plus-power lenses, that have large central thicknesses; and provides a composition for optical materials with which it is possible to predict and assess whether or not clouding will occur after curing and to determine quality at a stage before polymerization and curing. These objectives are achieved by, for example, a composition for optical materials that includes: sulfur, the turbidity value of which when made into a 30-mass % carbon disulfide solution is 10 ppm or less; and an episulfide compound. That is, clouding is prevented and excellent transparency is achieved in optical materials produced from said composition for optical materials that comprises an episulfide compound and sulfur that satisfies the aforementioned condition in terms of turbidity value. | 01-29-2015 |
| 20150018242 | METHODS AND BIOMARKERS FOR DETECTION AND PROGNOSIS OF CERVICAL CANCER - The present invention relates to methods and biomarkers for detection of cervical cancer in biological samples, and in particular to markers associated with hypoxia related to the cervical cancer. | 01-15-2015 |
