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Mitsubishi Gas Chemical Company Inc patents


Recent patent applications related to Mitsubishi Gas Chemical Company Inc. Mitsubishi Gas Chemical Company Inc is listed as an Agent/Assignee. Note: Mitsubishi Gas Chemical Company Inc may have other listings under different names/spellings. We're not affiliated with Mitsubishi Gas Chemical Company Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Mitsubishi Gas Chemical Company Inc-related inventors


High-purity carboxylic acid ester and method for producing same

. . The present invention makes it possible to provide a high-purity carboxylic acid ester in which the ag, al, au, ca, cr, cu, fe, k, mg, na, sn, and zn contents as metal impurity contents are each less than 1 ppb and the anionic impurity content is less than 1 ppm. The present invention also makes it possible to provide a method for producing a high-purity carboxylic acid ester, the method including a step for bringing a crude carboxylic acid ester that contains anionic impurities and ag, al, au, ca, cr, cu, fe, k, mg, na, sn, and zn as metal impurities into contact with a cation-exchange resin (ii), followed by a step for bringing the crude carboxylic acid ester into contact with an anion-exchange resin (iii).. ... Mitsubishi Gas Chemical Company Inc

Multi-layer container and production method therefor, single-layer container production method, and recycled polyester resin production method

An object of the present invention is to provide a multilayer container in which yellowing of a regenerated polyester resin at the time of recycle is suppressed and a method for producing the same as well as a method for producing a single-layer container. Furthermore, another object of the present invention is to provide a method for producing a regenerated polyester resin from the foregoing multilayer container and single-layer container. ... Mitsubishi Gas Chemical Company Inc

Fiber for contact cold sensation and fibrous product using the same

. . . . A fiber having on a surface a polyacetal copolymer containing a prescribed amount of oxyalkylene unit(s), wherein a cloth comprising the fiber has a heat retention rate of not more than 10%, as measured in accordance with jis l 1096 a method, is superior in contact cold sensation.. . ... Mitsubishi Gas Chemical Company Inc

Base material for cell culture and cell culture method using same, cell culture container, and use as base material

The present invention provides a base material for cell culture comprising a polyester resin comprising a dicarboxylic acid unit and a diol unit, wherein 1 to 80% by mol of the diol unit is a diol unit having a cyclic acetal structure.. . ... Mitsubishi Gas Chemical Company Inc

Process for production of oxymethylene copolymer

The invention provides a method for producing an oxymethylene copolymer including a polymerization step for cationically polymerizing trioxane and a comonomer at a polymerization temperature of from 135 to 300° c. In the presence of at least one salt of a protonic acid having a molecular weight of 1,000 or less, and at least one polymerization initiator selected from the group consisting of protonic acids having a molecular weight of 1,000 or less, protonic acid anhydrides having a molecular weight of 1,000 or less, and protonic acid ester compounds having a molecular weight of 1,000 or less; wherein the total concentration of metal components contained in the trioxane and comonomer used in the polymerization step is 300 ppb by mass or less.. ... Mitsubishi Gas Chemical Company Inc

Base material for cell culture and cell culture method using same, cell culture container, and use as base material

The present invention provides a base material for cell culture comprising a polyester resin comprising a dicarboxylic acid unit and a diol unit, wherein 1 to 100% by mol of the diol units is a diol unit derived from 1,4-cyclohexanedimethanol.. . ... Mitsubishi Gas Chemical Company Inc

Lubricant material for assisting machining process and machining method

. . The present invention provides a lubricant material for assisting machining process comprising a high molecular weight compound (a) having a weight average molecular weight of 5×104 or higher and 1×106 or lower, a medium molecular weight compound (b) having a weight average molecular weight of 1×103 or higher and lower than 5×104, and a carbon (c) having an average particle size of 100 μm or larger.. . ... Mitsubishi Gas Chemical Company Inc

Stretched film, method for manufacturing stretched film, and, polyamide resin composition

. . . . . . Provided is a stretched film stretched stretchable to a high draw ratio a method for manufacturing the stretched film, and, a polyamide resin composition used for manufacturing the stretched film. The stretched film containing 0.5 to 15 parts by weight of a compound represented by formula (1) per 100 parts by weight of a polyamide resin, wherein the polyamide resin is composed of a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; 50% by mole or more of the structural unit derived from diamine is derived from xylylenediamine, and 50% by mole or more of the structural unit derived from dicarboxylic acid is derived from a straight-chain aliphatic α,ω-dicarboxylic acid having 4 to 20 carbon atoms: wherein r1 represents an alkyl group having 1 to 10 carbon atoms, r2 represents an alkyl group having 2 to 12 carbon atoms, and n represents an integer of 1 to 3.. ... Mitsubishi Gas Chemical Company Inc

Resin composition, prepreg, metal foil-clad laminate, and printed circuit board

A resin composition comprising a thermosetting resin, a functional group-modified copolymer, and an inorganic filler, wherein the functional group-modified copolymer has two or more alkyl (meth)acrylate units, or one or two or more alkyl (meth)acrylate units and an acrylonitrile unit, and at least a part of alkyl ester groups of the alkyl (meth)acrylate units and/or a cyano group of the acrylonitrile unit are/is modified with at least one selected from the group consisting of an epoxy group, a carboxyl group, and an amide group.. . ... Mitsubishi Gas Chemical Company Inc

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 chemical resistance, desmear resistance, and insulation reliability. The resin composition of the present invention contains a maleimide compound, a silane compound having a styrene skeleton and a hydrolyzable group or a hydroxy group, and an inorganic filler.. ... Mitsubishi Gas Chemical Company Inc

Resin composition, prepreg, metal foil-clad laminate, and printed circuit board

. . . . The present invention provides a resin composition containing an allyl group-containing compound (a) and a maleimide compound (b), in which the allyl group-containing compound (a) has a reactive functional group other than an allyl group.. . ... Mitsubishi Gas Chemical Company Inc

Cloth having excellent contact cold sensation and colorfastness

A cloth containing a fiber having on a surface a polyacetal copolymer containing a prescribed amount of oxyalkylene unit(s), wherein the cloth exhibits a qmax value of at least 0.2 w/cm2, when the cloth is brought into contact with a heat storing plate of 40° c. Under a contact pressure of 0.098 n/cm2 in an environment at a temperature of 20° c. ... Mitsubishi Gas Chemical Company Inc

Resin composition, prepreg, resin sheet, metal foil-clad laminate, and printed circuit board

It is intended to provide a resin composition that suppresses the thermal expansion of a printed circuit board more than ever and also prevents the bleedout of substances from the printed circuit board, while maintaining a high glass transition temperature. The resin composition of the present invention contains an alkenyl-substituted nadimide, a maleimide compound, and an epoxy-modified cyclic silicone compound.. ... Mitsubishi Gas Chemical Company Inc

Resin composition and prepreg, resin sheet, laminate, and printed circuit board comprising same

The present invention provides a resin composition containing an alkenyl-substituted nadimide and a perinone-based colorant, wherein the content of the perinone-based colorant is 0.8 parts by mass or less based on 100 parts by mass in total of resin-constituting components in the resin composition.. . ... Mitsubishi Gas Chemical Company Inc

06/28/18 / #20180179353

Resin composition, prepreg or resin sheet comprising the resin composition, and laminate and printed circuit board comprising them

The resin composition of the present invention comprises an alkenyl-substituted nadimide (a), a maleimide compound (b), and an amino-modified silicone (c).. . ... Mitsubishi Gas Chemical Company Inc

06/21/18 / #20180177047

Resin composition, prepreg or resin sheet comprising the resin composition, and laminate and printed circuit board comprising them

. . The resin composition of the present invention comprises a prepolymer (p) and a thermosetting component, the prepolymer (p) being obtained by polymerizing an alkenyl-substituted nadimide (a), a maleimide compound (b), and an amino-modified silicone (c).. . ... Mitsubishi Gas Chemical Company Inc

06/21/18 / #20180171080

Curable composition and adhesive for optical applications using same

The present invention is able to provide a curable composition which contains a poly(meth)acrylate compound having a fluorene ring (component (a)), a polythiol compound having a thioalkyl structure (component (b)), an ene compound having a polycyclic aromatic hydrocarbon skeleton (component (c)), and a polymerization initiator (component (d)). A curable composition according to the present invention is especially useful as an adhesive for optical applications, and has high refractive index as an optical characteristic, while having low contractility, photocurability, colorlessness and transparency, viscosity suitable for work, and the like.. ... Mitsubishi Gas Chemical Company Inc

06/21/18 / #20180171075

Polyamide resin and molded article

Provided is a polyamide resin with high transparency and high heat aging resistance. The polyamide resin contains a diamine-derived structural unit and a dicarboxylic acid-derived structural unit, the diamine-derived structural unit being such that 70 mol % or more thereof is derived from 1,3-bis(aminomethyl)cyclohexane, and the dicarboxylic acid-derived structural unit being such that 10 to 90 mol % thereof is derived from isophthalic acid, 90 to 10 mol % of thereof is derived from a straight chain aliphatic dicarboxylic acid having 8 to 12 carbon atoms, and the dicarboxylic acid-derived structural unit containing substantially no terephthalic acid-derived structural unit.. ... Mitsubishi Gas Chemical Company Inc

06/14/18 / #20180163048

Method for producing printed circuit board, and resin composition

It is intended to provide a method for producing a printed circuit board capable of enhancing the adhesion between the inorganic filler-containing insulating layer and the conductor layer of a printed circuit board. The method for producing a printed circuit board of the present invention is a method for producing a printed circuit board, having an alkali treatment step of bringing a surface of an insulating layer for a printed circuit board into contact with an aqueous alkali solution, and a conductor layer forming step of forming a conductor layer on at least a part of the surface of the insulating layer that has undergone the alkali treatment step, wherein the insulating layer contains a resin composition containing a thermosetting resin, a silane compound having a (meth)acrylic skeleton and a hydrolyzable group or a hydroxy group, and an inorganic filler.. ... Mitsubishi Gas Chemical Company Inc

06/14/18 / #20180162069

Continuous fiber-reinforced composite material and molded article

Provided is a continuous fiber-reinforced composite material with an excellent solvent resistance, and a molded article made of such material. The continuous fiber-reinforced composite material comprises a polyamide resin impregnated into continuous fibers; wherein the polyamide resin is composed of a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; 50% by mole or more of the structural unit derived from diamine is derived from 1,3-bis (aminomethyl) cyclohexane; and 30% by mole or more of the structural unit derived from dicarboxylic acid is derived from isophthalic acid.. ... Mitsubishi Gas Chemical Company Inc

06/07/18 / #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.. ... Mitsubishi Gas Chemical Company Inc

05/31/18 / #20180147200

Method of inducing autophagy

The present invention provides a method of inducing autophagy, the method including administering to a subject an effective amount of a pyrroloquinoline quinone compound or a salt thereof.. . ... Mitsubishi Gas Chemical Company Inc

05/10/18 / #20180127558

Fiber-reinforced thermoplastic resin composition

. . . . The present invention provides a fiber-reinforced thermoplastic resin composition containing a continuous reinforcing fiber and a thermoplastic resin, wherein the thermoplastic resin includes a copolymer of a cyano group-containing vinyl monomer and an aromatic vinyl monomer, wherein the amount of a conjugated diene component in the copolymer (100% by mass) is 10% by mass or less.. . ... Mitsubishi Gas Chemical Company Inc

05/10/18 / #20180127549

Composition for optical material and optical material using the same

The present invention provides a composition for an optical material containing a ring compound (a) represented by formula (1), an episulfide compound (b), and sulfur (c), wherein the content of the ring compound (a) in the composition for an optical material is in the range of 5-70 mass %, the content of the episulfide compound (b) is in the range of 20-90 mass %, and the content of the sulfur (c) is in the range of 1-39 mass %. (in the formula, x represents s, se or te. ... Mitsubishi Gas Chemical Company Inc

05/10/18 / #20180126674

Composite material, method for manufacturing composite material, and method for manufacturing molded article

Provided is a composite material capable of keeping a good appearance even after heat processed, a method for manufacturing a composite material and a method for manufacturing a molded article. The composite material of the present invention contains a commingled yarn that contains a continuous reinforcing fiber (a) and a continuous thermoplastic resin fiber (b) as fiber components thereof; and a thermoplastic resin fiber (c) that keeps the commingled yarn in place, a thermoplastic resin that composes the thermoplastic resin fiber (c) having a melting point 15° c. ... Mitsubishi Gas Chemical Company Inc

05/03/18 / #20180118885

Trioxane composition and method for storing same

. . The present invention provides a trioxane composition which comprises trioxane as a main component, an antioxidant, and at least one alkaline organic compound selected from the group consisting of an amine compound having an alcoholic hydroxy group in the molecule thereof, a thiocarbamate compound, and an organophosphorus compound, wherein the amount of the alkaline organic compound contained is 0.01 to 10 ppm, based on the trioxane, and wherein the trioxane composition is a liquid.. . ... Mitsubishi Gas Chemical Company Inc

04/19/18 / #20180107113

Resist base material, resist composition and method for forming resist pattern

The present invention provides a resist base material containing a compound having a specific structure and/or a resin derived from the compound as a monomer.. . ... Mitsubishi Gas Chemical Company Inc

04/19/18 / #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.. ... Mitsubishi Gas Chemical Company Inc

04/12/18 / #20180101097

Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and pattern forming method

. . . . A material for forming an underlayer film for lithography, including a cyanic acid ester compound obtained by cyanation of a modified xylene formaldehyde resin, a composition including the material, and a pattern forming method using the composition.. . ... Mitsubishi Gas Chemical Company Inc

03/29/18 / #20180087006

Cleaning solution and cleaning method for material comprising carbon-incorporated silicon oxide for use in recycling wafer

. . . . It is an object of the present invention to provide a cleaning solution for removing carbon-incorporated silicon oxide (sioc) from the surface of a wafer in a step of producing a wafer having a material comprising the sioc, and a cleaning method of using the same. The cleaning solution of the present invention comprises 2% by mass to 30% by mass of a fluorine compound, 0.0001% by mass to 20% by mass of a specific cationic surfactant that is an ammonium salt or an amine, and water, and has a ph value of 0 to 4.. ... Mitsubishi Gas Chemical Company Inc

03/22/18 / #20180080149

Antimicrobial fibers

. . . . The invention provides an antimicrobial fiber which exhibits excellent antimicrobial properties even without the addition of antimicrobial agents and can remain antimicrobial even after repeated washing. The antimicrobial fiber comprises a fiber having on a surface thereof a polyacetal copolymer (x) containing oxyalkylene groups, the molar amount of oxyalkylene groups in the polyacetal copolymer (x) being 0.2 to 5 mol % relative to the total of the molar amount of oxymethylene groups and the molar amount of oxyalkylene groups.. ... Mitsubishi Gas Chemical Company Inc

03/22/18 / #20180079861

Injection-molded body for vehicle, automobile light guide using same, automobile interior panel, and automobile lamp lens

The present invention can provide an injection-molded body for a vehicle, the injection-molded body having a terminal structure that is indicated by general formula (1) and containing a polycarbonate resin that has a viscosity-average molecular weight of 18,000-24,000.. . ... Mitsubishi Gas Chemical Company Inc

03/15/18 / #20180074406

Compound, resist composition, and method for forming resist pattern using it

. . The resist composition of the present invention contains one or more selected from compounds represented by specific formulae and resins obtained using these as monomers.. . ... Mitsubishi Gas Chemical Company Inc

03/15/18 / #20180074402

Resist composition, method for forming resist pattern, and polyphenol compound used therein

The present invention is a compound represented by the following general formula (1).. . ... Mitsubishi Gas Chemical Company Inc

03/15/18 / #20180072844

Multilayer container and method for producing regenerated polyester

An object of the present invention is to provide a multilayer container in which yellowing of a regenerated polyester at the time of recycle is suppressed. Furthermore, another object of the present invention is to provide a method for producing a regenerated polyester from the aforementioned multilayer container. ... Mitsubishi Gas Chemical Company Inc

03/08/18 / #20180067055

Oxygen detecting agent composition, and molded article, sheet, packaging material for oxygen scavenger, and oxygen scavenger using the same

. . The oxygen detecting agent composition according to the present invention includes a redox dye, a reducing agent and a basic substance, wherein the redox dye is an iron blue pigment and the reducing agent is lactose.. . ... Mitsubishi Gas Chemical Company Inc

03/01/18 / #20180056553

Method for manufacturing molded article

Provided is method for manufacturing a molded article that has a first portion, and a second portion that rises up from the first portion, the method comprising: placing a second material on a surface of a first material; the first material containing a reinforcing fiber (a) with a length exceeding 30 mm and a thermoplastic resin (b), the reinforcing fiber (a) being dispersed in the first material, and, the thermoplastic resin (b) being not substantially impregnated into the reinforcing fiber (a), and the second material containing a reinforcing fiber (a) with a length of 1 to 30 mm and a thermoplastic resin (b), the reinforcing fiber (a) being dispersed into the second material, and, the thermoplastic resin (b) being not substantially impregnated into the reinforcing fiber (a),and simultaneously forming the first portion and the second portion by one stroke of pressing, with a cohesive strength of the thermoplastic resin (b) and the thermoplastic resin (b) of 2 n/15 mm or larger, where the cohesive strength being measured by stacking a 15 mm-wide, 0.03 mm-thick film derived from the thermoplastic resin (b), and a 15 mm-wide, 0.03 mm-thick film derived from the thermoplastic resin (b); pressing the stack under a pressure of 0.1 mpa, at a temperature 1° c. Higher than the melting point of the thermoplastic resin (b) or the thermoplastic resin (b), whichever is higher, for two seconds, so as to heat seal the films partially; pulling the films at unsealed portions in the direction 180° away from each other; and finding the force at which the heal-sealed portion separates, or the force at which the resin films rupture before being separated.. ... Mitsubishi Gas Chemical Company Inc

02/22/18 / #20180052392

Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography, resist pattern forming method, and circuit pattern forming method

. . . . . . The present invention provides a material for forming an underlayer film for lithography, including a cyanic acid ester compound obtained by cyanation of a modified naphthalene formaldehyde resin.. . ... Mitsubishi Gas Chemical Company Inc

02/22/18 / #20180051168

Resin composition, prepreg, metal foil-clad laminate, resin sheet and printed wiring board

A resin composition comprising a cyanate compound (a); and an epoxy resin (b) having a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2).. . ... Mitsubishi Gas Chemical Company Inc

02/08/18 / #20180036898

Entry sheet for drilling and method for drilling processing using same

. . . . . . . . An entry sheet for drilling comprising: a metallic foil; and a layer of a resin composition, the layer formed on the metallic foil without interposing an adhesion layer, wherein the surface of the layer of the resin composition, the surface being in contact with the metallic foil, has a dispersion term γsd of surface free energy in a range from 27.0 to 37.0 mj/m2 and a polar term γsp of the surface free energy in a range from 0 to 5.0 mj/m2.. . ... Mitsubishi Gas Chemical Company Inc

01/25/18 / #20180022849

Curable resin composition, cured product, and laminate

. . When achieving high hardness by forming a hardcoat layer including only organic matter, cure shrinkage increases, a film on which the hardcoat layer is formed curls, and in extreme cases, the hardcoat layer is prone to cracking; on the other hand, when attempting to suppress cure shrinkage, it is difficult for sufficient high hardness to be exhibited. Furthermore, organic/inorganic hybrid curable resin compositions use inorganic matter such as silica in order to increase hardness. ... Mitsubishi Gas Chemical Company Inc

01/25/18 / #20180022692

Method for producing 2-aminoethylmethacrylate hydrochloride

Provided is a method for producing 2-aminoethyl methacrylate hydrochloride that, according to one embodiment, includes a step (a) for reacting a ketimine compound of 2-aminoethyl methacrylate with water and hydrogen chloride and obtaining a mixture containing 2-aminoethyl methacrylate hydrochloride, wherein in the step (a), the ratio of the total amount of hydrogen chloride to the total amount of ketimine compound of 2-aminoethyl methacrylate is 1.0-1.5 expressed in terms of equivalents, and the ratio of the total amount of water to the total amount of ketimine compound of 2-aminoethyl methacrylate is 1.0-2.0 expressed in terms of equivalents.. . ... Mitsubishi Gas Chemical Company Inc

01/18/18 / #20180016209

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.. . ... Mitsubishi Gas Chemical Company Inc

01/11/18 / #20180009803

High-solubility acetone-added pyrroloquinoline quinone salt

. . There are provided an alkali metal salt of 5-hydroxy-4-oxo-5-(2-oxopropyl)-4,5-dihydro-1h-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid, a method for producing the alkali metal salt, and a cocrystal comprising the alkali metal salt.. . ... Mitsubishi Gas Chemical Company Inc

12/07/17 / #20170348941

Multilayer hollow molded body

. . The present invention relates to a multilayer hollow molded body, which has sufficiently high barrier properties, burst resistance and heat resistance, is also excellent in terms of impact resistance, and can be preferably used as a fuel transportation piping material for transporting high-temperature liquid fuel, etc. The multilayer hollow molded body of the present invention has at least one aliphatic polyamide layer (a) and at least one barrier layer (b), wherein the aliphatic polyamide layer (a) consists of a resin composition comprising an aliphatic polyamide (a) as a main component, and the barrier layer (b) consists of a resin composition comprising an ethylene-vinylalcohol copolymer (evoh) and a semi-aromatic polyamide (b).. ... Mitsubishi Gas Chemical Company Inc

11/30/17 / #20170343158

Pressure vessel, liner and method for manufacturing a pressure vessel

Provided is a pressure vessel having an outer layer with an improved gas barrier property, a lightweight liner with an excellent gas barrier property, and a novel method for manufacturing a pressure vessel. The pressure vessel contains a liner and an outer layer of the liner, wherein the outer layer is configured by a composite material that contains a continuous fiber and a polyamide resin impregnated into the continuous fiber; the polyamide resin contains a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; and 50 mol % or more of the structural unit derived from diamine is derived from xylylenediamine.. ... Mitsubishi Gas Chemical Company Inc

11/30/17 / #20170342269

Thermoplastic resin composition and molded body comprising the same

The present invention relates to a thermoplastic resin composition, which achieves barrier properties against various types of gases, while maintaining flexibility, and a molded body comprising the same. The thermoplastic resin composition of the present invention is characterized in that it comprises an aliphatic polyamide, a semi-aromatic polyamide, and an impact modifier, wherein at least a part of the impact modifier is dispersed in the semi-aromatic polyamide, in the semi-aromatic polyamide, the molar ratio between diamine units and dicarboxylic acid units (the number of moles of diamine units/the number of moles of dicarboxylic acid units) is in the range of 0.97 to 1.02, and the mass ratio of the impact modifier to the total mass of the semi-aromatic polyamide and the impact modifier is in the range of 5% to 15%.. ... Mitsubishi Gas Chemical Company Inc

11/23/17 / #20170335248

Alkaline earth metal-containing cleaning solution for cleaning semiconductor element, and method for cleaning semiconductor element using same

According to the present invention, it is possible to provide a cleaning solution which removes a dry etching residue and photoresist on a surface of a semiconductor element having a low dielectric constant film (a low-k film) and at least one material selected from between a material that contains 10 atom % or more of titanium and a material that contains 10 atom % or more of tungsten, wherein the cleaning solution contains: 0.002-50 mass % of at least one type of oxidizing agent selected from among a peroxide, perchloric acid, and a perchlorate salt; 0.000001-5 mass % of an alkaline earth metal compound; and water.. . ... Mitsubishi Gas Chemical Company Inc

11/23/17 / #20170335043

Triacrylate compounds and methods for producing the same, and compositions

The invention provides a triacrylate compound represented by the following formula (1). In the formula, each r is independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a halogen atom, r1 and r2 are each independently a linear or branched alkyl group having 1 to 6 carbon atoms, and r3 is a linear or branched alkyl group having 1 to 6 carbon atoms or a hydroxymethyl group.. ... Mitsubishi Gas Chemical Company Inc

11/23/17 / #20170334876

Novel cyclic compound and optical material composition including same

One embodiment of the present invention can provide an optical material composition that includes a cyclic compound that is represented by formula (1) and an episulfide that is represented by formula (2). Another embodiment of the present invention can provide an optical material production method that includes a step wherein, with respect to the total amount of the optical material composition, 0.0001-10 mass % of a polymerization catalyst is added to the optical material composition and the optical material composition is polymerization cured. ... Mitsubishi Gas Chemical Company Inc

11/16/17 / #20170327685

Resin composition and molded object obtained therefrom

. . According to one embodiment, the present invention provides a resin composition, which comprises a polymer (a) containing 45% by mass or more of a (meth)acrylate unit (a) represented by the following formula (1), a polymer (b) containing 60% by mass or more of a methyl (meth)acrylate unit (b) and having a mass average molecular weight of 5,000 to 20,000, and a polycarbonate-based resin (c).. . ... Mitsubishi Gas Chemical Company Inc

10/26/17 / #20170306093

Polyimide resin composition, polyimide film and laminate

The present invention provides a polyimide resin composition capable of forming a film having heat resistance and transparency and, in addition thereto, mechanical strength, surface hardness and flex resistance, a polyimide resin, a polyimide film and a laminate. The present invention includes: a polyimide resin composition containing a polyimide resin that has structural units represented by specific structures in a specific ratio, containing silica fine particles; the polyimide resin; a polyimide film; and a laminate.. ... Mitsubishi Gas Chemical Company Inc

10/26/17 / #20170306091

Method for producing polyamide resin

Provided is a method for producing a polyamide resin including reacting a dicarboxylic acid component containing sebacic acid in an amount of 50 mol % or more and a diamine component containing xylylenediamine in an amount of 70 mol % or more, wherein the total content of the specific compounds in the sebacic acid is 100 ppm by mass or less.. . ... Mitsubishi Gas Chemical Company Inc

10/12/17 / #20170291898

Life-extending agent, life extension method using the life-extending agent, novel dual oxidase activator, method for activating dual oxidase, production of life-extending agent, and production of dual oxidase activator

The present invention provides a life-extending agent comprising pyrroloquinoline quinone and/or a derivative of the pyrroloquinoline quinone.. . ... Mitsubishi Gas Chemical Company Inc

09/28/17 / #20170278701

Semiconductor element cleaning solution that suppresses damage to tungsten-containing materials, and method for cleaning semiconductor element using same

. . According to the present invention, it is possible to provide a cleaning solution which removes a photoresist on a surface of a semiconductor element having a low dielectric constant film (a low-k film) and a material that contains 10 atom % or more of tungsten, wherein the cleaning solution contains 0.001-5 mass % of an alkaline earth metal compound, 0.1-30 mass % of an inorganic alkali and/or an organic alkali, and water.. . ... Mitsubishi Gas Chemical Company Inc

09/28/17 / #20170276837

Polycarbonate resin and optical lens

The present invention addresses the problem of providing a resin having a high abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). ... Mitsubishi Gas Chemical Company Inc

09/21/17 / #20170267436

Multilayer plastic container

The present invention provides a multilayer plastic container capable of effectively preventing the degradation of content and a reduction in flavor such as taste or aroma, which are caused by oxygen. The multilayer plastic container of the present invention is a multilayer plastic container having at least one oxygen-absorbing layer and at least one oxygen-blocking layer, wherein the oxygen-absorbing layer is a layer formed from a thermoplastic polyester resin composition comprising a thermoplastic polyester resin and an oxygen absorber, and the content of the oxygen absorber to the total mass of the thermoplastic polyester resin composition is 0.01% to 3% by mass, the oxygen-blocking layer is a layer formed from a polyamide resin composition comprising a polyamide resin, and the content of a transition metal selected from the group consisting of cobalt, copper, cerium, aluminum and manganese to the total mass of the polyamide resin composition is less than 10 ppm, and at least one of the oxygen-absorbing layers is arranged on a side more inside than the oxygen-blocking layer.. ... Mitsubishi Gas Chemical Company Inc

09/14/17 / #20170260657

Method for manufacturing commingled yarn, commingled yarn, wind-up article, and, woven fabric

. . Provided is a method for manufacturing a commingled yarn that is capable of keeping a high level of dispersion of the continuous reinforcing fiber and the continuous resin fiber, moderately flexible, and less likely to cause fiber separation, and a commingled yarn a wind-up article and a woven fabric. The method for manufacturing a commingled yarn includes commingling a thermoplastic resin fiber having a treatment agent for the thermoplastic resin fiber on a surface thereof, and a continuous reinforcing fiber having a treatment agent for the continuous reinforcing fiber on a surface thereof, and heating the commingled fibers at a temperature in a range from a melting point of the thermoplastic resin composing the thermoplastic resin fiber, up to 30k higher than the melting point, wherein the thermoplastic resin has a product of the melting point thereof and a thermal conductivity thereof of 100 to 150, where the thermal conductivity is measured in compliance with astm d177, the continuous reinforcing fiber has an amount of the treatment agent therefore of 0.01 to 2.0% by weight thereof, and the thermoplastic resin fiber has an amount of the treatment agent therefor of 0.1 to 2.0% by weight thereof; where the melting point is given in kelvins (k), and the thermal conductivity is given in w/m·k.. ... Mitsubishi Gas Chemical Company Inc

08/31/17 / #20170247322

Polythiol composition and method for producing same

. . . . The present invention provides a polythiol composition containing, as the main component, a polythiol compound (a) having two or more mercapto groups, and containing 0.5% by mass or less of a nitrogen-containing compound (b) in which at least one mercapto group in the polythiol compound (a) is substituted with a group represented by formula (1).. . ... Mitsubishi Gas Chemical Company Inc

08/24/17 / #20170240850

Semiconductor element cleaning solution that suppresses damage to cobalt, and method for cleaning semiconductor element using same

. . According to the present invention, it is possible to provide a cleaning solution which removes a dry etching residue on a surface of a semiconductor element that includes: (1) a material containing cobalt or a cobalt alloy or (2) a material containing cobalt or a cobalt alloy and tungsten; and a low-dielectric constant interlayer dielectric film. The cleaning solution contains 0.001-7 mass % of an alkali metal compound, 0.005-35 mass % of a peroxide, 0.005-10 mass % of an anti-corrosion agent, 0.000001-1 mass % of an alkaline earth metal compound, and water.. ... Mitsubishi Gas Chemical Company Inc

08/24/17 / #20170240492

Methanol production method and methanol production apparatus

Synthesizing methanol from a synthesis gas and separating an unreacted gas from a reaction mixture obtained by passing through the synthesis step, the method including a synthesis loop having at least two synthesis steps and at least two separation steps; obtaining a first mixed gas by increasing through a circulator a pressure of a residual gas, obtained by removing a purge gas from the final unreacted gas separated from the final reaction mixture subsequent to the final synthesis step, and by mixing the residual gas with a fraction of a make-up gas; synthesizing methanol; separating a first unreacted gas from the first reaction mixture obtained in the synthesizing step; obtaining a second mixed gas by mixing the first unreacted gas and a fraction of the make-up gas; finally synthesizing methanol; and separating the final unreacted gas from the final reaction mixture obtained in the final synthesis step.. . ... Mitsubishi Gas Chemical Company Inc

08/17/17 / #20170238418

Resin composition for printed circuit board, prepreg, resin composite sheet and metal foil clad laminate

The object is to provide a resin composition for a printed circuit board capable of realizing a printed circuit board that not only has heat resistance and flame retardancy but also is excellent in heat resistance after moisture absorption. The resin composition is a resin composition for a printed circuit board containing a cyanate ester compound (a) obtained by cyanation of a naphthol-dihydroxynaphthalene aralkyl resin or a dihydroxynaphthalene aralkyl resin, and an epoxy resin (b).. ... Mitsubishi Gas Chemical Company Inc

08/17/17 / #20170233687

Semiconductor element cleaning solution that suppresses damage to tantalum-containing materials, and cleaning method using same

According to the present invention, it is possible to provide a cleaning method for removing a photoresist and dry etching residue on a surface of a semiconductor element having a low-k film and a material that contains 10 atom % or more of tantalum, wherein the cleaning method is characterized by using a cleaning solution that contains 0.002-50 mass % of hydrogen peroxide, 0.001-1 mass % of an alkaline earth metal compound, an alkali, and water.. . ... Mitsubishi Gas Chemical Company Inc

08/10/17 / #20170227849

Composition for forming underlayer film for lithography, underlayer film for lithography and pattern forming method

. . . . The composition for forming an underlayer film for lithography according to the present invention contains a compound represented by a specific formula (1) and 20 to 99% by mass of a solvent component (s), in which 27 to 100% by mass of the compound represented by the formula (1) is included in a component (a) other than the solvent component (s).. . ... Mitsubishi Gas Chemical Company Inc

08/10/17 / #20170226049

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.. ... Mitsubishi Gas Chemical Company Inc

08/03/17 / #20170218195

Thermoplastic resin composition and molded body using same

One embodiment of the present invention provides: a thermoplastic resin composition which contains a polycarbonate resin and a polyester resin that contains a diol unit having a cyclic acetal skeleton, and wherein the polyester resin contains specific amounts of phosphorus atoms and titanium atoms and the weight ratio of the phosphorus atoms to the titanium atoms is within a specific range; and a molded body which uses this thermoplastic resin composition.. . ... Mitsubishi Gas Chemical Company Inc

08/03/17 / #20170217873

Method and apparatus for producing dicyanobenzene

The object is to prevent deterioration and loss of dicyanobenzene in producing dicyanobenzene by ammoxidation of xylene to thereby achieve industrial and economical advantage in producing of dicyanobenzene. The method for producing dicyanobenzene of the present invention includes: contacting a xylene-ammoxidation reaction gas containing dicyanobenzene in ammoxidation of xylene with an organic solvent so as to obtain a dicyanobenzene-absorbing solution; contacting the dicyanobenzene-absorbing solution with a basic aqueous solution containing a salt such as ammonium carbonate so as to extract a water-soluble salt formed by neutralization reaction between carboxylic acid in the dicyanobenzene-absorbing solution and a base in the basic aqueous solution into an aqueous phase; separating the mixture of the dicyanobenzene-absorbing solution and the basic aqueous solution into an organic phase and an aqueous phase; decomposing the salt such as ammonium carbonate contained in the organic phase for separation of the salt from the organic phase; and distilling the organic phase to separate low boiling point compounds contained in the organic phase from the organic phase so as to obtain dicyanobenzene.. ... Mitsubishi Gas Chemical Company Inc

07/27/17 / #20170213745

Laminate and substrate for mounting a semiconductor device, and methods for producing the same

A laminate including at least providing a first intermediate laminate provided with a carrier substrate including a support and a peelable metal layer formed on at least one surface of the carrier substrate, forming, in a section not serving as a product of the first intermediate laminate, a first hole reaching at least the support from the surface of the first intermediate laminate, to prepare a second intermediate laminate with the first hole, stacking and disposing on the surface where the first hole is formed, an insulating material and a metal foil in this order when viewed from the surface, and pressurizing the second intermediate laminate, the insulating material and the metal foil in the stacking direction with heating, to prepare a third intermediate laminate where the first hole is filled with the insulating material, and performing treatment with a chemical agent on the third intermediate laminate.. . ... Mitsubishi Gas Chemical Company Inc

07/27/17 / #20170210842

Polyesters, polyurethanes, elastomers, processes for manufacturing polyesters and processes for manufacturing polyurethanes

Provided is a starting material for polyurethanes having excellent hydrolysis resistance and heat resistance, especially heat aging resistance. Further provided is polyurethanes and elastomers obtained by using the polyesters, as well as processes for manufacturing the polyesters and processes for manufacturing the polyurethanes. ... Mitsubishi Gas Chemical Company Inc

07/27/17 / #20170210031

Polyamide pellets, method for producing polyamide pellets, and method for producing polyamide molded article

The polyamide pellet of the present invention includes a polyamide including diamine units and dicarboxylic acid units, 50% by mole or more of the diamine units being derived from m-xylylenediamine, wherein a spherulite density of a skin portion of the pellet is 40,000 to 250,000/mm2.. . ... Mitsubishi Gas Chemical Company Inc

07/20/17 / #20170204049

Method for producing bis (aminomethyl) cyclohexane

A method for producing a bis(aminomethyl)cyclohexane having an isomerization step of isomerizing a cis-isomer of 1,4-bis(aminomethyl)cyclohexane and/or a trans-isomer of 1,3-bis(aminomethyl)cyclohexane at the bottom part of a distillation tower to obtain a trans-isomer of 1,4-bis(aminomethyl)cyclohexane and/or a cis-isomer of 1,3-bis(aminomethyl)cyclohexane; and a distillation step of separating the trans-isomer of 1,4-bis(aminomethyl)cyclohexane and/or the cis-isomer of 1,3-bis(aminomethyl)cyclohexane by distillation, in the top part of the distillation tower, in which the isomerization reaction temperature in the isomerization step is 80 to 140° c., and the isomerization step and the distillation step are simultaneously carried out.. . ... Mitsubishi Gas Chemical Company Inc

07/13/17 / #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).. . ... Mitsubishi Gas Chemical Company Inc

07/13/17 / #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. ... Mitsubishi Gas Chemical Company Inc

06/29/17 / #20170183607

Liquid composition for cleaning semiconductor device, and method for cleaning semiconductor device

A liquid semiconductor device cleaning composition used in a process of fabricating a semiconductor integrated circuit, for removing a hard mask or a dry etch residue while suppressing damage to a low-dielectric-constant interlayer dielectric film and cobalt or a cobalt alloy, where the liquid semiconductor device cleaning composition contains hydrogen peroxide at 10-30% by mass, potassium hydroxide at 0.005-0.7% by mass, aminopolymethylene phosphonic acid at 0.00001-0.01% by mass, at least one selected from amines and azoles at 0.001-5% by mass and water. A semiconductor device can be cleaned by bringing the liquid cleaning composition into contact with the semiconductor device.. ... Mitsubishi Gas Chemical Company Inc

06/29/17 / #20170183279

Resist composition, method for forming resist pattern, polyphenolic compound for use in the composition, and alcoholic compound that can be derived therefrom

A resist composition containing a compound represented by the general formulas (1) or (2), a method for forming a resist pattern using the composition, a polyphenolic compound for use in the composition, an alcoholic compound that can be derived therefrom, and a method for producing an alcoholic compound represented by general formulas (6) or (7) are described.. . ... Mitsubishi Gas Chemical Company Inc

06/08/17 / #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).. . ... Mitsubishi Gas Chemical Company Inc

05/18/17 / #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.. ... Mitsubishi Gas Chemical Company Inc

04/20/17 / #20170111997

Entry sheet for drilling

. . . . . . . . The present invention provides an entry sheet for drilling which provides higher hole position accuracy than that of a conventional entry sheet for drilling. The present invention provides an entry sheet for drilling, including a metal foil, and a layer including a resin composition and formed on at least one surface of the metal foil, wherein the resin composition includes a resin and tungsten disulfide as a solid lubricant, and the content of the tungsten disulfide included in the resin composition is 10 parts by mass to 200 parts by mass based on 100 parts by mass of the resin included in the resin composition.. ... Mitsubishi Gas Chemical Company Inc

03/16/17 / #20170075220

Resist composition and method for forming resist pattern

. . . . The resist composition according to the present invention contains a compound represented by a specific formula. The compound has high heat resistance attributed to its highly aromatic skeleton, in spite of its low molecular weight, and may be used even under high temperature baking conditions. ... Mitsubishi Gas Chemical Company Inc

03/16/17 / #20170073485

Resin composition, prepreg, and laminated sheet

A prepreg for printed wiring boards that has a low coefficient of thermal expansion in a plane direction, has excellent heat resistance and drilling workability, and, at the same time, can retain a high level of flame retardance includes a base material, a resin composition impregnated into or coated on the base material, and huntite. The resin includes (a) an inorganic filler that is a mixture composed of a hydromagnesite represented by xmgco3.ymg(oh)2.zh2o wherein x:y:z is 4:1:4, 4:1:5, 4:1:6, 4:1:7, 3:1:3, or 3:1:4; (b) an epoxy resin; and (c) a curing agent. ... Mitsubishi Gas Chemical Company Inc

03/16/17 / #20170073469

Method for producing polyamide

A method for producing a polyamide, comprising performing melt polycondensation of a diamine component comprising xylylenediamine in an amount of 70 mol % or more and a dicarboxylic acid component comprising a linear aliphatic dicarboxylic acid having 6 to 18 carbon atoms in an amount of 70 mol % or more in the presence of a phosphorus atom-containing compound (a), wherein the decomposition temperature of the phosphorus atom-containing compound (a) is not lower than the melting point of the polyamide, and an aqueous solution of the phosphorus atom-containing compound (a) and the diamine component are added to the dicarboxylic acid component being in a molten state to perform the melt polycondensation.. . ... Mitsubishi Gas Chemical Company Inc

03/16/17 / #20170073288

Compound, resin, material for forming underlayer film for lithography, underlayer film for lithography, pattern forming method, and method for purifying the compound or resin

The compound according to the present invention is represented by a specific formula. The compound according to the present invention has a structure according to the specific formula, and therefore can be applied to a wet process and is excellent in heat resistance and etching resistance. ... Mitsubishi Gas Chemical Company Inc

02/23/17 / #20170051146

Polycarbonate resin composition, and optical material and optical lens each manufactured using same

. . . . . . A polycarbonate resin composition including: a polycarbonate resin (a) which has a constitutional unit (a) represented by general formula (4); and a polycarbonate resin (b) which has a constitutional unit (b) represented by general formula (5). (in formula (4), x represents an alkylene group having 1 to 4 carbon atoms.) (in formula (5), r1 and r2 independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxyl group having 1 to 20 carbon atoms, a cycloalkyl group having 5 to 20 carbon atoms, a cycloalkoxyl group having 5 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aryloxy group having 6 to 20 carbon atoms; and y represents an alkylene group having 1 to 4 carbon atoms.). ... Mitsubishi Gas Chemical Company Inc

02/16/17 / #20170044312

Resin produced by polycondensation, and resin composition

. . According to one embodiment, a polyester 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), and a structural unit derived from a dicarboxylic acid or a derivative thereof.. . ... Mitsubishi Gas Chemical Company Inc

02/16/17 / #20170044311

Polyester resin, optical lens, and optical lens system

The polyester resin according to the present invention is a polyester resin mainly including a diol structural unit and a dicarboxylic acid structural unit, wherein 10 to 84 mol % of the diol structural unit is a structural unit derived from ethylene glycol, 16 to 90 mol % of the diol structural unit is a structural unit derived from neopentyl glycol represented by a particular formula (i), and 50 to 100 mol % of the dicarboxylic acid structural unit is a structural unit derived from a naphthalenedicarboxylic acid. Further, the optical lens according to the present invention is obtained by molding the polyester resin. ... Mitsubishi Gas Chemical Company Inc

02/09/17 / #20170037239

Polyester-based resin composition, and molded body using the resin composition

A polyester-based resin composition containing a polyester resin (a) that has a dicarboxylic acid unit containing units selected from a sulfophthalic acid unit and a sulfophthalic acid metal salt unit in a total amount of 0.01 to 15.0 mol % and a diol unit, a polyester resin (b) having a cyclic acetal structure or an alicyclic hydrocarbon structure, and a polyamide resin (c), wherein the content of the polyester resin (b) in the resin composition is 0.5 to 15.0% by mass.. . ... Mitsubishi Gas Chemical Company Inc

02/09/17 / #20170037201

Fiber-reinforced composite material

A fiber-reinforced composite material of the present invention is a fiber-reinforced composite material comprising: an epoxy resin cured product obtained by curing an epoxy resin composition and a reinforcing fiber, wherein the epoxy resin composition comprises an epoxy resin (a) and a curing agent (b); 10 to 80% by mass of the curing agent (b) is 1,2,4-cyclohexanetricarboxylic acid-1,2-anhydride; and the reinforcing fiber comprises one or more selected from the group consisting of a carbon fiber, an aramid fiber, and a boron fiber.. . ... Mitsubishi Gas Chemical Company Inc

02/02/17 / #20170030494

Molded body and manufacturing method thereof

A molded article comprising a fuel-barrier layer formed of a resin composition comprising a polyamide resin (a) as a continuous phase and a resin (b) as a disperse phase, wherein (a) is a polyamide resin (a1) comprising at least one of a constituent unit derived from a lactam having 10 to 12 carbon atoms and a constituent unit derived from an aminocarboxylic acid having 10 to 12 carbon atoms, or a polyamide resin (a2) comprising a constituent unit derived from an aliphatic diamine having 6 to 12 carbon atoms and a constituent unit derived from an aliphatic dicarboxylic acid having 10 to 12 carbon atoms, the (b) is a resin selected from a semi-aromatic polyamide resin, the ratio by volume of (a)/(b) is 95/5 to 51/49, and the mean disperse particle diameter of (b) is 150 nm or more.. . ... Mitsubishi Gas Chemical Company Inc

01/19/17 / #20170015955

Semiconductor element cleaning liquid and cleaning method

The present invention makes it possible to provide a semiconductor element cleaning method that is characterized in that: a hard mask pattern is formed on a substrate that has a low relative permittivity film and at least one of a cobalt, a cobalt alloy, or a tungsten plug; and a cleaning liquid that contains 0.001-20% by mass of an alkali metallic compound, 0.1-30% by mass of quaternary ammonium hydroxide, 0.01-60% by mass of a organic water-soluble solvent, 0.0001-0.1% by mass of hydrogen peroxide, and water is subsequently used on a semiconductor element in which, using the hard mask pattern as a mask, the hard mask, the low relative permittivity film, and a barrier insulating film are dry etched, and dry etch residues are removed.. . ... Mitsubishi Gas Chemical Company Inc

01/19/17 / #20170015615

Molded catalyst for use in manufacture of methyl methacrylate, and method for manufacture of methyl methacrylate using same

The present invention provides a molded catalyst for use in the manufacture of methyl methacrylate, for manufacturing methyl methacrylate from a starting material of methyl α-hydroxyisobutyrate by a vapor phase contact reaction, wherein the molded catalyst for use in the manufacture of methyl methacrylate is characterized in that the molded catalyst includes a synthetic faujasite type zeolite, a lamellar aluminum silicate compound, and a synthetic lamellar magnesium silicate compound, the weight ratio of the lamellar aluminum silicate compound and the synthetic lamellar magnesium silicate compound being 1:5 to 6:1.. . ... Mitsubishi Gas Chemical Company Inc

01/12/17 / #20170009035

Sterilized oxygen-absorbent resin composition, sterilized oxygen-absorbent multilayered container, and method for manufacturing same

The present invention provides a sterilized oxygen-absorbing resin composition obtained by performing at least: a sterilizing step of irradiating with radiation an oxygen-absorbing resin composition containing a transition metal catalyst and a thermoplastic resin (a) having a tetralin ring as a constituent unit; and a step of heating the oxygen-absorbing resin composition at a temperature equal to or higher than the glass transition temperature of the thermoplastic resin (a) and equal to or lower than 200° c., after the sterilizing step.. . ... Mitsubishi Gas Chemical Company Inc

01/12/17 / #20170008830

(meth)acrylic acid ester compound and production method therefor

Provided are a novel alicyclic ester compound and a method for producing a compound of general formula (1) at a high yield from a compound of general formula (2) and a compound of general formula (3). An adamantane compound expressed by general formula (2) and a hydroxyalkyl (meth)acrylate ester compound expressed by general formula (3) are reacted with each other by use of a dehydration condensation agent as a catalyst to obtain an alicyclic ester compound expressed by general formula. ... Mitsubishi Gas Chemical Company Inc

01/05/17 / #20170001972

Method for purifying compound or resin

The method according to the present invention is a method for purifying a compound represented by a specific formula (1) or a resin having a structure represented by a specific formula (2), the method including a step of bringing a solution (a) including an organic solvent optionally immiscible with water, and the compound or the resin into contact with an acidic aqueous solution.. . ... Mitsubishi Gas Chemical Company Inc








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