Patents Assigned to MITSUBISHI MATERIALS ELECTRONICS CHEMICALS CO., LTD.
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Publication number: 20240059813Abstract: Provided are a radical polymerization method in which, using a radical polymerization initiator with a low concentration of 1 mmol/L or less, a radical-polymerizable fluorine-based monomer can be radical-polymerized under a low temperature environment of a room temperature range without the need for an emulsifier such as PFOA; and a method for producing a radical-polymerized fluorine-based polymer using the radical polymerization method. The radical polymerization method is a radical polymerization method of radical-polymerizing a radical-polymerizable fluorine-based monomer using a polymerization initiator which generates perfluoroalkyl radicals by thermal decomposition, in which the polymerization initiator includes at least one of perfluoro-3-ethyl-2,2,4-trimethyl-3-pentyl or perfluoro-2,2,4-trimethyl-3-isopropyl-3-pentyl.Type: ApplicationFiled: December 6, 2021Publication date: February 22, 2024Applicant: Mitsubishi Materials Electronic Chemicals Co., Ltd.Inventors: Taizo Ono, Takeshi Kamiya, Tomoya Abe
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Patent number: 11835679Abstract: The present invention provides a powder for forming a black light-shielding film having a specific surface area of 20 to 90 m2/g, which is measured by the BET method, comprising zirconium nitride as a main component, and containing magnesium and/or aluminum. If containing the magnesium, the content of the magnesium is 0.01 to 1.0% by mass relative to 100% by mass of the powder for forming a black light-shielding film, and if containing the aluminum, the content of the aluminum is 0.01 to 1.0% by mass relative to 100% by mass of the powder for forming the black light-shielding film.Type: GrantFiled: October 25, 2018Date of Patent: December 5, 2023Assignee: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Takashi Konishi, Kensuke Kageyama
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Patent number: 11697156Abstract: A zirconium nitride powder having a volume resistivity of 107 ?·cm or more in the state of the pressurized powder body hardened at a pressure of 5 MPa, and a particle size distribution D90 of 10 ?m or less when ultrasonically dispersed for 5 minutes in a state of being diluted with water or an alcohol having a carbon number of which is in a range of 2 to 5. Also, the zirconium nitride powder is dispersed in an acrylic monomer or an epoxy monomer to prepare a monomer dispersion. Further, the zirconium nitride powder is dispersed in a dispersing medium as a black pigment and further a resin is mixed to prepare a black composition.Type: GrantFiled: December 18, 2020Date of Patent: July 11, 2023Assignee: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke Kageyama, Takashi Konishi, Naoyuki Aiba
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Publication number: 20230173537Abstract: Metal coated resin particles include: spherical core resin particles; and a metal coated layer provided on a surface of each of the core resin particles, in which the metal coated layer consists of: a first silver layer formed on the surface of each of the core resin particles; a tin intermediate layer consisting of one or more of metallic tin and/or tin compounds selected from the group consisting of tin (Sn), tin oxide (SnxOy), and tin hydroxide (Snx(OH)y) formed on a surface of the first silver layer (where, 0.1<x<4, 0.1<y<5); and a second silver layer formed on a surface of the tin intermediate layer.Type: ApplicationFiled: June 24, 2021Publication date: June 8, 2023Applicant: Mitsubishi Materials Electronic Chemicals Co., Ltd.Inventors: Kensuke Kageyama, Kei Kinoshita, Osamu Sakaya
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Publication number: 20230108923Abstract: A black material of the present invention consists of a zirconium nitride powder containing yttrium. The amount of the yttrium is 1.0% by mass to 12.0% by mass with respect to a total 100% by mass of the zirconium nitride powder and the yttrium. In a transmission spectrum obtained from a dispersion in which the concentration of the zirconium nitride powder containing yttrium is 50 ppm, assuming that the light transmittance at a wavelength of 550 nm is denoted by X1, and the light transmittance at a wavelength of 365 nm is denoted by X2, X1 is 7.5% or less, X2 is 25% or more, and X2/X1 is 3.5 or more.Type: ApplicationFiled: October 30, 2020Publication date: April 6, 2023Applicants: Mitsubishi Materials Electronic Chemicals Co., Ltd., MITSUBISHI MATERIALS CORPORATIONInventors: Kensuke Kageyama, Takashi Konishi, Tasuku Sugiura, Masaya Karube
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Patent number: 11577958Abstract: A zirconium nitride powder which has a specific surface area of 20 to 90 m2/g as measured by a BET method, has a peak corresponding to zirconium nitride but does not have a peak corresponding to zirconium dioxide, a peak for lower zirconium oxide or a peak corresponding to lower zirconium oxynitride in an X-ray diffraction profile, and the light transmittance X at 370 nm is at least 18%, the light transmittance Y at 550 nm is 12% or less and the ratio (X/Y) of the light transmittance X at 370 nm to the light transmittance Y at 550 nm is 2.5 or more in the transmission spectra of a dispersion that contains the powder at a concentration of 50 ppm.Type: GrantFiled: September 6, 2017Date of Patent: February 14, 2023Assignee: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke Kageyama, Takashi Konishi
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Patent number: 11542381Abstract: A silver-coated resin particle having a resin particle and a silver coating layer provided on a surface of the resin particle, in which an average value of a 10% compressive elastic modulus is in a range of 500 MPa or more and 15,000 MPa or less and a variation coefficient of the 10% compressive elastic modulus is 30% or less.Type: GrantFiled: January 28, 2019Date of Patent: January 3, 2023Assignees: Mitsubishi Materials Corporation, Mitsubishi Materials Electronic Chemicals Co., Ltd.Inventors: Hiroto Akaike, Kazuhiko Yamasaki, Kensuke Kageyama, Hirokazu Tsukada
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Patent number: 11414381Abstract: A fluorinated imide salt compound of the present invention is a compound represented by General Formula (1). In General Formula (1), m represents 1 or 2, n represents an integer from 1 to 4, ? represents 1 or 2, and X?+ represents an ?-valent metal ion, a primary ammonium ion, a secondary ammonium ion, a tertiary ammonium ion, a quaternary ammonium ion, or NH4+.Type: GrantFiled: August 1, 2019Date of Patent: August 16, 2022Assignees: Mitsubishi Materials Electronic Chemicals Co., Ltd., Merck Patent GmbHInventors: Masato Fujita, Takeshi Kamiya, Kazuma Yamamoto
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Publication number: 20220193767Abstract: High ultraviolet transmittance and high blackness can be obtained, and also has high insulating property. A zirconium nitride powder of the present invention has a volume resistivity of 107 ?·cm or more in the state of the pressurized powder body hardened at a pressure of 5 MPa, and a particle size distribution D90 of 10 ?m or less when ultrasonically dispersed for 5 minutes in a state of being diluted with water or an alcohol having a carbon number of which is in a range of 2 to 5. Also, the zirconium nitride powder is dispersed in an acrylic monomer or an epoxy monomer to prepare a monomer dispersion. Further, the zirconium nitride powder is dispersed in a dispersing medium as a black pigment and further a resin is mixed to prepare a black composition.Type: ApplicationFiled: December 18, 2020Publication date: June 23, 2022Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke KAGEYAMA, Takashi KONISHI, Naoyuki AIBA
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Publication number: 20220158254Abstract: According to the present invention, an electrolyte is composed of one or more lithium salts of asymmetric imides each having a perfluoroalkyl group, or a mixed salt of a lithium salt of an asymmetric imide having a perfluoroalkyl group and a lithium salt of a symmetric imide having a perfluoroalkyl group. The composition ratio of the one or more lithium salts and the mixed salt is expressed by (lithium salt of asymmetric imide)x(lithium salt of symmetric imide)1-x (wherein x is from 0.1 to 1.0) in terms of the molar ratio; the asymmetric imide lithium salt is (C2F5SO2) (CF3SO2)NLi or (C3F7SO2) (CF3SO2)NLi; the symmetric imide lithium salt is (CF3SO2)2NLi; and the composition of an electrolyte solution according to the present invention contains 1.0 mole or more but less than 2 moles of a solvent per 1 mole of the one or more lithium salts or the lithium salts of the mixed salt.Type: ApplicationFiled: March 9, 2020Publication date: May 19, 2022Applicants: THE UNIVERSITY OF TOKYO, MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD., MITSUBISHI MATERIALS CORPORATIONInventors: Atsuo YAMADA, Yuki YAMADA, Seongjae KO, Shota MIURA, Takeshi KAMIYA, Tsunetoshi HONDA, Jun AKIKUSA
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Publication number: 20220119646Abstract: A zirconium nitride powder coated with alumina has a volume resistivity is 1×106 ?·cm or higher. Also, an coating amount with alumina is 1.5% by mass to 9% by mass with respect to 100% by mass of the zirconium nitride. Furthermore, an isoelectric point of the zirconium nitride powder coated with alumina is 5.7 or higher.Type: ApplicationFiled: March 26, 2020Publication date: April 21, 2022Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke KAGEYAMA, Naoyuki AIBA
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Publication number: 20210355080Abstract: A fluorinated imide salt compound of the present invention is a compound represented by General Formula (1). In General Formula (1), m represents 1 or 2, n represents an integer from 1 to 4, ? represents 1 or 2, and X?+ represents an ?-valent metal ion, a primary ammonium ion, a secondary ammonium ion, a tertiary ammonium ion, a quaternary ammonium ion, or NH4+.Type: ApplicationFiled: August 1, 2019Publication date: November 18, 2021Applicants: Mitsubishi Materials Electronic Chemicals Co., Ltd., Merck Patent GmbHInventors: Masato FUJITA, Takeshi KAMIYA, Kazuma YAMAMOTO
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Patent number: 10974963Abstract: The present invention provides a zirconium nitride powder comprising zirconium, nitrogen, and oxygen as main components, wherein the zirconium concentration is 73 to 82% by mass, the nitrogen concentration is 7 to 12% by mass, and the oxygen concentration is 15% by mass or less; in the transmission spectra of a dispersion having a powder concentration of 50 ppm, a light transmittance X at 370 nm is at least 12% and a light transmittance Y at 550 nm is 12% or less; and the ratio (X/Y) of the light transmittance X at 370 nm to the light transmittance Y at 550 nm is at least 1.4.Type: GrantFiled: March 7, 2018Date of Patent: April 13, 2021Assignee: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke Kageyama, Takashi Konishi
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Patent number: 10870578Abstract: Provided is a black-film-forming mixed powder containing: (A) a zirconium nitride powder that does not contain zirconium dioxide, a low-order oxide of zirconium, or a low-order oxynitride of zirconium; and (B) a titanium nitride powder or a titanium oxynitride powder, wherein the content ratio of (A) the zirconium nitride powder and (B) the titanium nitride powder or the titanium oxynitride powder is within the range of 90:10 to 25:75 in terms of mass ratio (A:B). When the light transmittance at a wavelength of 400 nm is X, the light transmittance at a wavelength of 550 nm is Y, and the light transmittance at a wavelength of 1,000 nm is Z in a spectrum of a dispersion in which the mixed powder is dispersed in a concentration of 50 ppm, X>10%, Y<10%, Z<16%, X/Y is 1.25 or more, and Z/Y is 2.0 or less.Type: GrantFiled: October 30, 2017Date of Patent: December 22, 2020Assignee: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke Kageyama, Takashi Konishi
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Publication number: 20200319373Abstract: The present invention provides a powder for forming a black light-shielding film having a specific surface area of 20 to 90 m2/g, which is measured by the BET method, comprising zirconium nitride as a main component, and containing magnesium and/or aluminum. If containing the magnesium, the content of the magnesium is 0.01 to 1.0% by mass relative to 100% by mass of the powder for forming a black light-shielding film, and if containing the aluminum, the content of the aluminum is 0.01 to 1.0% by mass relative to 100% by mass of the powder for forming the black light-shielding film.Type: ApplicationFiled: October 25, 2018Publication date: October 8, 2020Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Takashi KONISHI, Kensuke KAGEYAMA
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Publication number: 20200198969Abstract: A zirconium nitride powder which has a specific surface area of 20 to 90 m2/g as measured by a BET method, has a peak corresponding to zirconium nitride but does not have a peak corresponding to zirconium dioxide, a peak for lower zirconium oxide or a peak corresponding to lower zirconium oxynitride in an X-ray diffraction profile, and the light transmittance X at 370 nm is at least 18%, the light transmittance Y at 550 nm is 12% or less and the ratio (X/Y) of the light transmittance X at 370 nm to the light transmittance Y at 550 nm is 2.5 or more in the transmission spectra of a dispersion that contains the powder at a concentration of 50 ppm.Type: ApplicationFiled: September 6, 2017Publication date: June 25, 2020Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke KAGEYAMA, Takashi KONISHI
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Publication number: 20200156943Abstract: The present invention provides a zirconium nitride powder comprising zirconium, nitrogen, and oxygen as main components, wherein the zirconium concentration is 73 to 82% by mass, the nitrogen concentration is 7 to 12% by mass, and the oxygen concentration is 15% by mass or less; in the transmission spectra of a dispersion having a powder concentration of 50 ppm, a light transmittance X at 370 nm is at least 12% and a light transmittance Y at 550 nm is 12% or less; and the ratio (X/Y) of the light transmittance X at 370 nm to the light transmittance Y at 550 nm is at least 1.4.Type: ApplicationFiled: March 7, 2018Publication date: May 21, 2020Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke KAGEYAMA, Takashi KONISHI
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Publication number: 20200140698Abstract: Provided is a heat-ray shielding particle dispersion which contains: ITO particles having a heat-ray shielding capability; a solvent containing 60% by mass or more of water; and a dispersant. The ITO particles have a BET specific surface area of 20 m2/g or more, have a blue or dark blue tone represented by an L value of 50 or less and a<0 and b<0 in the Lab color system, and are contained in an amount of 1-90% by mass with respect to 100% by mass of the dispersion. The solvent is a component obtained by removing the heating residue from the heat-ray shielding particle dispersion, and is contained in an amount of 6.1-99.0% by mass with respect to 100% by mass of the dispersion. The dispersant is at least one kind among a phosphate ester-based dispersant, a polyglycerin-based dispersant, a polyvinylpyrrolidone-based dispersant, a polyoxyethylene-polyoxypropylene condensate-based dispersant, and a polyacrylate-based dispersant.Type: ApplicationFiled: April 26, 2018Publication date: May 7, 2020Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Ai TAKAYA, Takeshi NAKAGAWA, Kazuki TAZAKI
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Silver-coated resin particles, method for manufacturing same, and electroconductive paste using same
Patent number: 10510462Abstract: A silver-coated resin particle including a heat-resistant resin core particle and a silver coating layer formed on the surface of the resin core particle. The average grain diameter of the resin core particle is 0.1 to 10 ?m, the amount of silver contained in the silver coating layer is 60 to 90 parts by mass, relative to 100 parts by mass of the silver-coated resin particle, and the exothermic peak temperature of the silver-coated resin particle by differential thermal analysis is 265° C. or higher.Type: GrantFiled: January 6, 2016Date of Patent: December 17, 2019Assignee: MITSUBISHI MATERIALS ELECTRONICS CHEMICALS CO., LTD.Inventors: Kensuke Kageyama, Hirokazu Tsukada -
Publication number: 20190367364Abstract: Provided is a black-film-forming mixed powder containing: (A) a zirconium nitride powder that does not contain zirconium dioxide, a low-order oxide of zirconium, or a low-order oxynitride of zirconium; and (B) a titanium nitride powder or a titanium oxynitride powder, wherein the content ratio of (A) the zirconium nitride powder and (B) the titanium nitride powder or the titanium oxynitride powder is within the range of 90:10 to 25:75 in terms of mass ratio (A:B). When the light transmittance at a wavelength of 400 nm is X, the light transmittance at a wavelength of 550 nm is Y, and the light transmittance at a wavelength of 1,000 nm is Z in a spectrum of a dispersion in which the mixed powder is dispersed in a concentration of 50 ppm, X>10%, Y<10%, Z<16%, X/Y is 1.25 or more, and Z/Y is 2.0 or less.Type: ApplicationFiled: October 30, 2017Publication date: December 5, 2019Applicant: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD.Inventors: Kensuke KAGEYAMA, Takashi KONISHI