Patents by Inventor Junpei Terada
Junpei Terada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220271294Abstract: A binder and a slurry suitable for use in the production of an electrode in a sulfide-based solid-state battery. The binder contains sulfide-based solid electrolyte particles, and is a polymer including a vinylidene fluoride unit and at least one copolymerization unit (A) selected from a monomer unit having a structure represented by formula (1) below and a monomer unit having a structure represented by formula (2) below: where Rf1 and Rf2 are each a linear or branched fluorinated alkyl or fluorinated alkoxy group with 1 to 12 carbon atoms, which optionally contains an oxygen atom between carbon-carbon atoms when the number of carbon atoms is 2 or more. The slurry contains sulfide-based solid electrolyte particles, the binder and a solvent. Also disclosed is an electrode including an electrode active material layer formed using the slurry and a lithium-ion secondary solid state battery including the electrode.Type: ApplicationFiled: July 22, 2020Publication date: August 25, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takaya YAMADA, Junpei TERADA, Takahiro FURUTANI, Akinori TANI, Kae FUJIWARA
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Publication number: 20220271293Abstract: A binder and a slurry suitable for use in the production of an electrode in a sulfide-based solid-state battery. The binder contains sulfide-based solid electrolyte particles, and is a fluorine-containing elastomer in which resin end functional groups satisfy: 0.01?([—CH2OH]+[—COOH])/([—CH3]+[—CF2H]+[—CH2OH]+[—CH2I]+[—OC(O)RH]+[—COOH]?0.25 where R represents an alkyl group with 1 to 20 carbon atoms. Also disclosed is an electrode including an electrode active material layer formed using the slurry and a lithium-ion secondary solid state battery including the electrode.Type: ApplicationFiled: July 22, 2020Publication date: August 25, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takaya YAMADA, Junpei TERADA, Takahiro FURUTANI, Kae FUJIWARA, Akinori TANI
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Publication number: 20210345485Abstract: A fluororesin composition containing a melt moldable fluororesin and a silica, wherein the fluororesin has 25 or more carbonyl group-containing functional groups per 106 main-chain carbon atoms; the silica is a spherical silica; and the fluororesin composition has a linear expansion coefficient of 100 ppm/° C. or lower. Also disclosed is a fluororesin sheet including the fluororesin composition, a laminate including a copper foil layer and a layer including the fluororesin composition and a substrate for circuits including a copper foil layer and a layer including the fluororesin composition.Type: ApplicationFiled: December 24, 2019Publication date: November 4, 2021Applicant: DAIKIN INSUSTRIES, LTD.Inventors: Hirokazu KOMORI, Hiroyuki YOSHIMOTO, Masaji KOMORI, Yuki UEDA, Junpei TERADA
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Publication number: 20210292450Abstract: A composition including a fluorine-containing polymer and a cross-linking agent, wherein the fluorine-containing polymer contains a vinylidene fluoride unit, a unit of a fluorine-containing monomer (1) represented by the following general formula (1): CHX1?CX2Rf ??(1) wherein one of X1 and X2 is H, the other is F, and Rf is a linear or branched fluoroalkyl group having 1 to 12 carbon atoms, and a unit of a monomer providing a crosslinking site. The monomer providing a crosslinking site is a monomer having at least one crosslinkable group selected from a cyano group, a carboxyl group, an alkoxycarbonyl group and a hydroxyl group. Also disclosed is a crosslinked rubber molded article obtained by crosslinking the composition.Type: ApplicationFiled: July 22, 2019Publication date: September 23, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takahiro FURUTANI, Rina TAMAI, Eisaku SUMINO, Yusuke KAMIYA, Junpei TERADA, Masaki IRIE
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Patent number: 11054066Abstract: The present invention provides a hose excellent in mechanical properties at high temperatures. The hose of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).Type: GrantFiled: August 25, 2011Date of Patent: July 6, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Satoshi Kawai, Shoji Fukuoka
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Publication number: 20210047497Abstract: A shaping material for a powder bed fusion method, including a powder of a fluororesin, wherein the fluororesin has a D50 of 30 ?m or more and 200 ?m or less, and the fluororesin has a D10 of 12 ?m or more.Type: ApplicationFiled: October 27, 2020Publication date: February 18, 2021Applicant: Daikin Industries, LTD.Inventors: Hirokazu KOMORI, Junpei TERADA, Hiroyuki SENDAN, Tadahiro YABU, Yukihiro FUKAGAWA, Kenta MURAYAMA, Tomohiro SHIROMARU, Toshio MIYATANI, Masahiro KONDOU, Hiroyuki HAMADA
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Publication number: 20210024664Abstract: A molded product having a surface that is to be in contact with a coolant, the surface being formed of a crosslinked product of an amorphous fluorine-containing elastomer having a glass transition temperature of 25° C. or less, the fluorine-containing elastomer being a copolymer of: vinylidene fluoride; a fluorine-containing monomer represented by formula (1) below: CHXa?CXbRf??(1) wherein one of Xa and Xb is H, the other thereof is F, and Rf is a linear or branched fluoroalkyl group having 1 to 12 carbon atoms; and another monomer copolymerizable therewith, wherein a molar ratio of units of the vinylidene fluoride to units of the fluorine-containing monomer is 87/13 to 20/80, and units of the other monomer account for 0 to 50 mol % based on all monomer units.Type: ApplicationFiled: March 26, 2019Publication date: January 28, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Junpei TERADA, Yusuke KAMIYA, Takahiro FURUTANI
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Publication number: 20200308389Abstract: A fluorine-containing elastomer composition for a heat dissipation material, including a fluorine-containing elastomer being VdF-based fluoroelastomer having a Mooney viscosity at 121° C. of 10 or lower and an insulating thermal conductive filler. Also disclosed is a sheet obtained by molding the fluorine-containing elastomer composition.Type: ApplicationFiled: October 30, 2018Publication date: October 1, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hiroyuki SAGAMI, Junpei TERADA, Hiroshi AIHARA, Takayuki MATSUO
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Patent number: 10421257Abstract: The present invention aims to provide a laminate in which a fluororesin layer and a fluororubber layer are firmly bonded even when the fluororesin layer contains a fluororesin having excellently low fuel permeability. The present invention relates to a laminate including a fluororubber layer (A) and a fluororesin layer (B) stacked on the fluororubber layer (A). The fluororubber layer (A) is a layer formed from a fluororubber composition. The fluororubber composition contains a fluororubber (a1) and a basic multifunctional compound having at least two nitrogen atoms in the molecule with a distance between the nitrogen atoms in the molecule of 5.70 ? or greater. The fluororubber (a1) has an absorption coefficient at 1720 cm?1, determined after being brought into contact with triethyl amine, of 0.35 or lower. The fluororesin layer (B) is formed from a fluororesin (b1) having a fuel permeability coefficient of 2.0 g·mm/m2/day or lower.Type: GrantFiled: November 12, 2014Date of Patent: September 24, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yuuki Kuwajima, Shoji Fukuoka, Kozue Komazawa, Mayuko Taeda, Junpei Terada
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Patent number: 10227430Abstract: An aqueous perfluoroelastomer dispersion and method for producing a perfluoroelastomer using a specific fluorosurfactant and capable of achieving a sufficient number of particles and a sufficient polymerization rate. The method includes providing an aqueous dispersion containing perfluoroelastomer particles by emulsion-polymerizing a perfluoromonomer in an aqueous medium in the presence of a specific fluorosurfactant in an amount of 2 parts by mass or more for 100 parts by mass of the aqueous medium.Type: GrantFiled: February 16, 2015Date of Patent: March 12, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tatsuya Morikawa, Junpei Terada, Shoji Fukuoka
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Patent number: 10000619Abstract: A diaphragm including a cross-linked fluororubber layer obtained by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B), the cross-linked fluororubber layer having a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test under conditions of measurement temperature: 160° C., tensile strain: 1%, static tension under a constant static load condition for measuring strain distribution: 157 cN, and frequency: 10 Hz.Type: GrantFiled: August 16, 2012Date of Patent: June 19, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Shoji Fukuoka
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Publication number: 20160347895Abstract: An aqueous perfluoroelastomer dispersion and method for producing a perfluoroelastomer using a specific fluorosurfactant and capable of achieving a sufficient number of particles and a sufficient polymerization rate. The method includes providing an aqueous dispersion containing perfluoroelastomer particles by emulsion-polymerizing a perfluoromonomer in an aqueous medium in the presence of a specific fluorosurfactant in an amount of 2 parts by mass or more for 100 parts by mass of the aqueous medium.Type: ApplicationFiled: February 16, 2015Publication date: December 1, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tatsuya MORIKAWA, Junpei TERADA, Shoji FUKUOKA
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Publication number: 20160288461Abstract: The present invention aims to provide a laminate in which a fluororesin layer and a fluororubber layer are firmly bonded even when the fluororesin layer contains a fluororesin having excellently low fuel permeability. The present invention relates to a laminate including a fluororubber layer (A) and a fluororesin layer (B) stacked on the fluororubber layer (A). The fluororubber layer (A) is a layer formed from a fluororubber composition. The fluororubber composition contains a fluororubber (a1) and a basic multifunctional compound having at least two nitrogen atoms in the molecule with a distance between the nitrogen atoms in the molecule of 5.70 ? or greater. The fluororubber (a1) has an absorption coefficient at 1720 cm?1, determined after being brought into contact with triethyl amine, of 0.35 or lower. The fluororesin layer (B) is formed from a fluororesin (b1) having a fuel permeability coefficient of 2.0 g·mm/m2/day or lower.Type: ApplicationFiled: November 12, 2014Publication date: October 6, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yuuki KUWAJIMA, Shoji FUKUOKA, Kozue KOMAZAWA, Mayuko TAEDA, Junpei TERADA
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Patent number: 9068653Abstract: To provide a sealing material which is excellent in sealability under high-temperature conditions as well as crack resistance at high temperatures and high compression. A sealing material comprising a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B), the cross-linked fluororubber layer having a loss modulus E? of 600 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test under conditions of measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, and frequency: 10 Hz.Type: GrantFiled: August 25, 2011Date of Patent: June 30, 2015Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
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Patent number: 8889796Abstract: There is provided a perfluoroelastomer composition having a low glass transition temperature and excellent cold resistance and heat resistance and comprising a perfluoroelastomer comprising a tetrafluoroethylene unit (a), a perfluoro vinyl ether unit (b) and a cure site unit (c) having nitrile group, carboxyl group and/or alkoxycarbonyl group as a cure site, wherein the perfluoro vinyl ether unit (b) is contained in an amount of 8 to 23% by mole in the perfluoroelastomer.Type: GrantFiled: October 2, 2009Date of Patent: November 18, 2014Assignee: Daikin Industries, Ltd.Inventors: Junpei Terada, Tatsuya Morikawa, Daisuke Ota, Meiten Koh
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Patent number: 8754161Abstract: The present invention provides a complex-shaped fluororubber formed product having excellent demoldability in molding. The complex-shaped fluororubber formed product of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).Type: GrantFiled: August 25, 2011Date of Patent: June 17, 2014Assignee: Daikin Industries, Ltd.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
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Publication number: 20140163158Abstract: A diaphragm including a cross-linked fluororubber layer obtained by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B), the cross-linked fluororubber layer having a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test under conditions of measurement temperature: 160° C., tensile strain: 1%, static tension under a constant static load condition for measuring strain distribution: 157 cN, and frequency: 10 Hz.Type: ApplicationFiled: August 16, 2012Publication date: June 12, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Shoji Fukuoka
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Patent number: 8609774Abstract: The present invention provides a belt excellent in mechanical properties at high temperatures. The belt of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).Type: GrantFiled: August 25, 2011Date of Patent: December 17, 2013Assignee: Daikin Industries, Ltd.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
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Patent number: 8466227Abstract: There are provided novel crosslinked fluorine-containing elastomer fine particles, a process for preparing crosslinked fluorine-containing elastomer fine particles and a resin composition comprising the same. The crosslinked fluorine-containing elastomer fine particles are crosslinked fluorine-containing elastomer fine particles having a gel fraction of not less than 85% by mass or crosslinked fluorine-containing elastomer fine particles obtained by crosslinking fluorine-containing elastomer particles having at least three iodine atoms per one polymer molecule at an end thereof. The composition is one comprising those fine particles and a synthetic resin.Type: GrantFiled: November 4, 2011Date of Patent: June 18, 2013Assignee: Daikin Industries, Ltd.Inventors: Hideto Nakagawa, Haruhiko Mohri, Hirokazu Aoyama, Junpei Terada, Rumi Takeuchi
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Patent number: 8338652Abstract: The present invention provides a simple and efficient process for producing 2,3,3,3-tetrafluoropropene(HFC-1234yf), the process being useful for industrial production. More specifically, the present invention relates to: a process for producing 2,3,3,3-tetrafluoropropene, comprising the steps of: (I) reacting a compound expressed by Formula (1): CF3CF2CH2X??(1) wherein X represents Cl, Br or I, with a base to produce a compound expressed by Formula (2): CF3CF?CHX??(2) wherein X is the same as above; and (II) reducing the compound expressed by Formula (2) with hydrogen in the presence of a catalyst to produce 2,3,3,3-tetrafluoropropene.Type: GrantFiled: September 10, 2008Date of Patent: December 25, 2012Assignee: Daikin Industries, Ltd.Inventors: Junpei Terada, Takuji Ishikawa