Patents Assigned to Sekisui Chemical Co., Ltd.
  • Publication number: 20230340307
    Abstract: The present invention aims to provide a compound capable of increasing the adhesion strength of adhesive compositions, particularly, even to low polarity adherends. The present invention also aims to provide a method for producing the compound, an adhesive composition containing the compound, and an adhesive tape including an adhesive layer containing the adhesive composition. Provided is a compound including at least one structural unit (A) selected from the group consisting of a structural unit (A-1) and a structural unit (A-1?) that are represented by the following formulas: wherein each R1 represents a hydrogen atom, an aliphatic hydrocarbon group, an aromatic hydrocarbon group, a polar functional group, an aliphatic hydrocarbon group containing a polar functional group, or an aromatic hydrocarbon group containing a polar functional group; n represents an integer of 2 or greater and 4 or less; and n? represents an integer of 2 or greater and 5 or less.
    Type: Application
    Filed: August 27, 2021
    Publication date: October 26, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akira SHIMOJITOSHO, Yudai OGATA
  • Patent number: 11798863
    Abstract: The problem to be solved by the invention is to provide a laminate capable of effectively enhancing thermal conductivity and adhesiveness, in spite of the relatively large thickness of a patterned metal layer. The laminate (1) according to the present invention includes a metal substrate (4), an insulating layer (2) laminated on one surface of the metal substrate (4), and a patterned metal layer (3) laminated on the surface of the insulating layer (2) on the side opposite to the metal substrate (4), the metal layer (3) is 300 ?m or more in thickness, and the insulating layer (2) includes boron nitride (12) and an inorganic filler (13) other than boron nitride.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: October 24, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouji Ashiba, Keigo Oowashi, Aki Koukami, Rui Zhang
  • Publication number: 20230330970
    Abstract: A laminated glass for a side window including a first glass substrate, a second glass substrate, and an interlayer film disposed between the first glass substrate and the second glass substrate, wherein the first glass substrate and the second glass substrate have a total thickness of 5 mm or less, and the first glass substrate is located on a vehicle exterior side and is thicker than the second glass substrate and has a thickness of 2 mm or more.
    Type: Application
    Filed: September 28, 2021
    Publication date: October 19, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Tetuya HAYASHI, Reiko YAMAMURA
  • Publication number: 20230331879
    Abstract: The present invention provides a polyvinyl acetal resin that has an excellent dispersing property and enables the production of a formed article having high mechanical strength. Provided is a polyvinyl acetal resin having a water absorption per unit area of 2 mg/cm2 or greater and 50 mg/cm2 or less when formed into a film having a thickness of 10 µm.
    Type: Application
    Filed: September 24, 2021
    Publication date: October 19, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Takayuki MAEDA
  • Publication number: 20230333070
    Abstract: Provided is an inspection chip with simplified channel switching structure, which is generally complicated.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 19, 2023
    Applicants: SEKISUI CHEMICAL CO., LTD., SEKISUI MEDICAL CO., LTD.
    Inventors: Shoutarou KOBARU, Takamasa KOUNO, Nobuhiko INUI, Kazuhiko IMAMURA, Sou YAMAGUCHI, Katsura UCHIDA, Tatsunori TAKAMATSU
  • Publication number: 20230330635
    Abstract: A reducing agent for use in production of a product gas containing carbon monoxide, the reducing agent being brought into contact with a raw material gas containing carbon dioxide to reduce the carbon dioxide to produce the product gas; the reducing agent containing a composite metal oxide represented by Ce1-x(M)xOy, where M is a metal element with an ionic radius smaller than an ionic radius of Ce with an identical valence number and an identical coordination number, x represents a positive real number, and y represents a real number from 1 to 4. The reducing agent that has a high conversion efficiency of carbon dioxide to carbon monoxide, and can be used, for example, in a chemical looping method, and a method for producing a gas using such a reducing agent.
    Type: Application
    Filed: March 3, 2021
    Publication date: October 19, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Koji TAKIZAWA, Fiona MUKHERJEE, Kenichi SHINMEI, Noritoshi YAGIHASHI, Risa SAKURAI
  • Patent number: 11788195
    Abstract: A carbon dioxide reduction device of the present invention is a carbon dioxide reduction device comprising a first electrode; at least any one of an electrolyte solution and an ion conducting membrane; and a second electrode, wherein the first electrode is a porous electrode having a porous carbon, and the porous carbon has at least one type of metal-nonmetal element bond represented by M-R, in which M represents a metal element of Groups 4 to 15, and R represents a nonmetal element of Groups 14 to 16.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: October 17, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Naohiro Fujinuma
  • Publication number: 20230321959
    Abstract: A multilayer foam sheet having a resin layer and a foam layer on each of both sides of the resin layer, wherein the thickness of the resin layer is 10 µm or more, and the 25% compressive strength is 1000 kPa or less. A foam sheet having high impact resistance and flexibility can be provided.
    Type: Application
    Filed: August 10, 2021
    Publication date: October 12, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Masahiro HAMADA, Masaya ISHIDA, Hiroki MATSUKAWA
  • Publication number: 20230323163
    Abstract: There are provided optical bonding particles capable of improving the visibility and controlling gaps with high accuracy. The optical bonding particles according to the present invention include silicone particles and coating particles or a coating layer disposed on the surface of the silicone particles, and in the optical bonding particles, the absolute value of the difference between the refractive index of the silicone particles and the refractive index of the coating particles or the refractive index of the coating layer is 0.03 or less.
    Type: Application
    Filed: October 15, 2020
    Publication date: October 12, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Saori UEDA, Takashi FUKUDA, Yasuyuki YAMADA, Takeshi WAKIYA
  • Publication number: 20230312923
    Abstract: The present invention aims to provide a curable resin composition that can reduce the occurrence of voids and partial detachment between the composition and a support even in high-temperature processing at 300° C. or higher with an adherend fixed to the support with the composition, and is easily separable after the high-temperature processing. The present invention also aims to provide a temporary fixing material including an adhesive layer containing the curable resin composition and a method of producing an electronic component using the temporary fixing material. Provided is a curable resin composition containing: a maleimide group-containing reactive compound (1); and a resin (2) having an imide skeleton in a backbone repeating unit.
    Type: Application
    Filed: September 22, 2021
    Publication date: October 5, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Toshio TAKAHASHI, Tokushige SHICHIRI, Satoshi HAYASHI, Izumi DAIDO, Fumika HOSHINO
  • Publication number: 20230311126
    Abstract: Provided is a microfluidic chip capable of suppressing contamination while downsizing a device. A microfluidic chip 1 includes a chip main body 2, and an optical gas generation tape 8 attached to the chip main body 2 and configured to generate a gas by light irradiation, in which the chip main body 2 includes a microchannel 4, a liquid medium reservoir 5 provided in the middle of the microchannel 4, and a cell binding unit 6 provided on a downstream side of the liquid medium reservoir 5 in the microchannel 4, and a liquid medium stored in the liquid medium reservoir 5 is supplied to the cell binding unit 6 by the gas generated from the optical gas generation tape 8.
    Type: Application
    Filed: October 27, 2021
    Publication date: October 5, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshiki TOMITA, Takamasa KOUNO, Hiroki IGUCHI
  • Patent number: 11772039
    Abstract: Generation of bubbles in an organic-substance production apparatus is suppressed. A gas treatment method including: an adsorption step of passing a source gas containing at least carbon dioxide and nitrogen through an adsorption unit for adsorbing carbon dioxide to reduce a carbon dioxide concentration in the source gas; a supply step of supplying the source gas whose carbon dioxide concentration has been reduced by the adsorption step to an organic-substance production apparatus; and a monitoring step of monitoring a carbon dioxide concentration and a nitrogen concentration in the source gas; wherein the adsorption step has an ability regulation step of enhancing an ability of the adsorption unit to reduce a carbon dioxide concentration in the source gas, when a total concentration of the carbon dioxide concentration and the nitrogen concentration monitored in the monitoring step exceeds a threshold value.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: October 3, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuto Natsuyama, Kokoro Hamachi
  • Publication number: 20230299270
    Abstract: Provided is a method for producing particles with which particles excellent in conductivity can be produced easily. The method for producing particles 1, the particles 1 including a particle body 2, and a covering layer 3 covering at least a part of a surface 2a of the particle body 2, the method including a step of preparing a mixture containing the particle body 2, a layered compound 11, and a dispersion medium 12, and a step of applying a shear force to the mixture to exfoliate the layered compound 11 and cover the particle body 2 with the layered compound 11 to form the covering layer 3, and the dispersion medium 12 having a viscosity at 25° C. of 1 mPa·s or more.
    Type: Application
    Filed: January 5, 2021
    Publication date: September 21, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Takuya KUDOU
  • Patent number: 11753499
    Abstract: An imide oligomer is provided for use in a cured product that has a high glass transition temperature after curing and is excellent in thermal decomposition resistance, adhesiveness, and long-term heat resistance. Also provided are a curable resin composition and an imide oligomer composition each containing the imide oligomer, an adhesive containing the curable resin composition, and a curing agent containing the imide oligomer composition.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: September 12, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kohei Takeda, Sayaka Wakioka, Yuta Oatari, Takashi Shinjo, Masami Shindo
  • Publication number: 20230279561
    Abstract: An electrochemical cell includes: a cathode having a first catalyst that reduces carbon dioxide to carbon monoxide; an anode; an electrolyte solution containing a reactant and an electrolyte; and a second catalyst that synthesizes a carbonyl compound from the carbon monoxide and the reactant.
    Type: Application
    Filed: February 9, 2023
    Publication date: September 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Naohiro FUJINUMA
  • Publication number: 20230264456
    Abstract: Provided is an interlayer film for laminated glass capable of suppressing color migration. In an interlayer film for laminated glass according to the present invention, when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and parallel light transmittance is measured for the obtained laminated glass X, the interlayer film has a colored region with a parallel light transmittance of less than 60%, and a transparent region with a parallel light transmittance of 60% or more, the interlayer film has an average thickness in the colored region smaller than an average thickness in the transparent region, and the interlayer film has an absolute value of difference between the average thickness in the colored region and the average thickness in the transparent region of 10 ?m or more.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 24, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun ISHIDA, Hiromitsu NISHINO
  • Patent number: 11731399
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property of laminated glass over a wide resonance frequency region. An interlayer film for laminated glass according to the present invention has a one-layer or two or more-layer structure, and when the interlayer film is arranged between two sheets of clear float glass having a width of 25 mm, a length of 300 mm and a thickness of 2 mm to obtain a laminated glass X, a loss factor at a second resonance frequency, a loss factor at a third resonance frequency, and a loss factor at a fourth resonance frequency measured by a central exciting method at 20° C. in mechanical impedance measurement in accordance with ISO16940 of the laminated glass X are respectively 0.4 or more.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 22, 2023
    Assignee: SEKISUI CHEMICAL CO. LTD.
    Inventors: Yuki Ishikawa, Tatsuya Iwamoto, Shinji Kawada, Yuuki Okada
  • Patent number: 11732109
    Abstract: A plasticizer composition to be used in a transparent resin for optics, wherein the plasticizer composition includes: a composite aggregated particulate material; and a liquid plasticizer having dispersed therein the composite aggregated particulate material. The composite aggregated particulate material includes an inorganic aggregate material being a granular material formed of aggregates of an inorganic particulate material formed of silica having a specific surface area particle diameter of not less than 0.8 nm and not greater than 80 nm, and an organic coating material formed of an organic matter coating a surface of the inorganic aggregate material. A mass of the organic coating material is not less than 0.8% and not greater than 80% with respect to a sum of a mass of the inorganic aggregate material and a mass of the organic coating material. Both mechanical properties and optical properties are realized by mixing the plasticizer composition.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: August 22, 2023
    Assignees: ADMATECHS CO., LTD., SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuji Oono, Yuu Sakamoto, Tatsuya Iwamoto
  • Publication number: 20230256717
    Abstract: Provided is an interlayer film for laminated glass capable of making bluish fogging less likely to occur. An interlayer film for laminated glass according to the present invention contains a pigment, and in the interlayer film for laminated glass, a value YId obtained by subtracting a yellow index YIp calculated from parallel light transmittance from a yellow index YIt calculated from total light transmittance is ?1.0 or more.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 17, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Atsushi NOHARA, Kinryou CHOU, Kazuhiko NAKAYAMA, Moyuru OKAJIMA
  • Patent number: 11724481
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the pour stability at the time of extrusion during production of the interlayer film for laminated glass, and having excellent shape stability. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer or two or more-layer structure, and includes a first layer containing a thermoplastic (meth)acrylic polymer and satisfies at least one of a first configuration that the thermoplastic (meth)acrylic polymer contained in the first layer is a thermoplastic (meth)acrylic polymer having a molecular weight distribution ratio of weight average molecular weight to number average molecular weight of 1 or more and 6 or less, and a second configuration that the thermoplastic (meth)acrylic polymer contained in the first layer is a thermoplastic (meth)acrylic polymer having a gel fraction of 5% by weight or less.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 15, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shinji Kawada, Yuki Ishikawa