Patents Assigned to Sekisui Chemical Co., Ltd.
  • Publication number: 20240001647
    Abstract: Provided is an interlayer film for a laminated glass capable of obtaining laminated glass having excellent unity of appearance.
    Type: Application
    Filed: November 11, 2021
    Publication date: January 4, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroaki INUI, Koji KUMAKURA, Kazuma SHIRAISHI
  • Patent number: 11859063
    Abstract: A polyvinyl alcohol film comprises a vinyl alcohol-based polymer, wherein, when the polyvinyl alcohol film being measured by a solid echo method using pulse NMR at 60° C. for waveform separation of a free induction decay curve of 1H spin-spin relaxation into three curves derived from three components a component A, a component B, and a component C in order of short relaxation time, the component A has a resulting relaxation time of 0.0070 milliseconds or more and 0.0092 milliseconds or less, and a resulting component ratio of 20% or more and 50% or less.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: January 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yohei Nishimura, Yasunari Kusaka, Nami Nakajima
  • Patent number: 11862798
    Abstract: A positive electrode (1) for non-aqueous electrolyte secondary batteries, including collector (11) and active material layer (12), wherein: integrated value (a) is 3 to 15% (for frequency of diameters of 1 ?m or less), and frequency (b) is 8 to 20% (for diameter with a maximum frequency). A positive electrode (1) for non-aqueous electrolyte secondary batteries, including collector (11) and active material layer (12), wherein assuming two directions perpendicular to thickness direction of collector (11) and mutually orthogonal as first and second directions, average thickness a1, maximum thickness b1, minimum thickness c1 in thickness distribution in the first direction, and thickness d1 (largest absolute value of difference from a1) satisfy 0.990?(d1/a1)?1.010 and (b1?c1)?5.0 ?m, and average thickness a2, maximum thickness b2, minimum thickness c2 in thickness distribution in the second direction, and thickness d2 (largest absolute value of difference from a2) satisfy 0.990?(d2/a2)?1.010 and (b2?c2)?5.0 ?m.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: January 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hikaru Yoshikawa, Yuichi Sabi
  • Patent number: 11851546
    Abstract: Provided is a thermoplastic resin film with which a glass plate-including laminate that looks different in color tone depending on the direction or angle can be obtained. A thermoplastic resin film according to the present invention includes a thermoplastic resin and a pigment, and when the thermoplastic resin film is planarly viewed with a transmission electron microscope, a number of pigments having an aspect ratio of 3 or more and 50 or less is 3 or more and 100 or less in a rectangular region of 13 ?m long and 18 ?m wide.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: December 26, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Atsushi Nohara
  • Patent number: 11850827
    Abstract: An interlayer film for laminated glass of the present invention has an average storage modulus (G?) at 110 to 150° C. measured at a frequency of 1 Hz in a shear mode of 15000 Pa or less, and has an adhesive strength of 0.3 N/mm2 or more as measured in a cross peeling test performed under the following conditions on a cross peeling test sample produced by a predetermined method. Cross peeling test: A maximum load (N) when the polycarbonate plate glass is peeled from the clear float plate glass in a direction perpendicular to an adhesive surface at a rate of 10 mm/min at 23° C. is measured, and that measured maximum load (N) is taken as the adhesive strength.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 26, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Nobuo Matsuki, Shinji Kawada
  • Publication number: 20230407109
    Abstract: A thermally expandable fire-resistant material composition comprising an adhesive base and an a thermally expandable compound, wherein the thermally expandable fire-resistant material composition is flowable at an ordinary temperature or at a temperature lower than the expansion onset temperature of the thermally expandable fire-resistant material, and is solidifiable or curable.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 21, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shingo MIYATA, Masami KINOSHITA, Takuto IKEUCHI, Yasuyuki ISHII
  • Publication number: 20230407494
    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: Application
    Filed: August 28, 2023
    Publication date: December 21, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Naohiro FUJINUMA
  • Publication number: 20230399475
    Abstract: The present invention provides a film for a liquid crystal device that is a film (15 or 16) used for a liquid crystal device (10) and contains a thermoplastic resin, in which the NI point change of liquid crystal upon contacting the film with the liquid crystal is ?2° C. to +2° C.
    Type: Application
    Filed: November 9, 2021
    Publication date: December 14, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yumiko TERAGUCHI, Yuji OOHIGASHI, Yuuki OKADA, Kanako URADOKORO, Naoki KAMOSHIDA, Yuki ISHIKAWA
  • Patent number: 11840829
    Abstract: A pipe joint (1) comprising: a tubular main body (10) having a flow path inside, which is formed of a resin comprising a copolymer having one or more selected from a vinyl cyanide monomer unit and an acrylic monomer unit, a rubber component, and an aromatic vinyl monomer unit; and a socket section (20a) integrally formed with the main body (10), wherein: the main body (10) has a foamed resin layer (30) and a non-foamed resin layer (50) covering the foamed resin layer (30); the amount of the rubber component in the foamed resin layer (30) as determined by pyrolysis-gas chromatography/mass spectrometry is within a specific range; the amount of the rubber component in the non-foamed resin layer (50) is within a specific range; and a ratio (La/La) of length (La) from a base end (21a) to an opening end (22a) of the socket section (20a) to a thickness (da) of the socket section (20a) at the opening end is 2.0 or more and 10.0 or less.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 12, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Daiki Hisashuku
  • Patent number: 11840590
    Abstract: The present invention is a polyvinyl alcohol-based film comprising a polyvinyl alcohol resin, having tan ? of 0.20 or less at 30° C. in a width direction of the film under an air atmosphere of a relative humidity of 50% RH, and a storage modulus of 11.2×106 to 20×106 Pa at 140° C. in the width direction of the film under a dry atmosphere. According to the present invention, a polyvinyl alcohol-based film having good formability can be provided.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: December 12, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Yasuyuki Ieda
  • Publication number: 20230391048
    Abstract: The present invention provides a foam, a laminated foam, and a laminate that are capable of providing good walking comfort and exhibiting excellent vibration-damping properties while being lightweight and are also useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the laminate. Provided is a foam having a plurality of cells, the foam containing a polyvinyl acetal and a plasticizer and having an average aspect ratio (a/b) of cells of 1.1 or greater as calculated by a predetermined method.
    Type: Application
    Filed: February 3, 2022
    Publication date: December 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
  • Publication number: 20230391971
    Abstract: The present invention aims to provide a foam, a laminated foam, and a resin sheet having good foaming properties, capable of exhibiting particularly excellent vibration-damping properties while being lightweight, and useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the resin sheet. Provide is a foam having a plurality of cells, the foam containing a polyvinyl acetal, a plasticizer, and a hydrogenated petroleum resin, the hydrogenated petroleum resin containing a compound having a softening point of 130° C. or higher.
    Type: Application
    Filed: February 3, 2022
    Publication date: December 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
  • Publication number: 20230391944
    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: a structural unit (A) derived from a monomer (a) having a solvation free energy ?? with polytetrafluoroethylene of ?30 kcal/mol or less; and a structural unit (B) derived from at least one monomer (b) selected from the group consisting of a terpene monomer, a vinyl monomer, and a conjugated diene monomer.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yudai OGATA, Akira SHIMOJITOSHO, Yuitsu SUGAMI
  • Publication number: 20230391053
    Abstract: Provided is a laminated glass capable of transmitting light applied from a remote sensing device satisfactorily, and enhancing the heat shielding property. A laminated glass of the present invention includes a first lamination glass member, a second lamination glass member, and an interlayer film, the interlayer film is arranged between the first lamination glass member and the second lamination glass member, the first lamination glass member has a light transmittance of 85% or more at every wavelength within a range of 380 nm to 2500 nm, the laminated glass has a first region and a second region, and the second region has a light transmittance of higher than a light transmittance of the first region by 5% or more at at least one wavelength within a range of 380 nm to 2500 nm.
    Type: Application
    Filed: October 20, 2021
    Publication date: December 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Atsushi NOHARA
  • Patent number: 11833784
    Abstract: A thermoplastic film 10 is a thermoplastic film comprising a light-emitting layer 11, wherein the light-emitting layer 11 comprises a thermoplastic resin and a light-emitting material that emits light by being irradiated with excitation light, and a change in yellowness of laminated glass obtained by bonding two sheets of clear glass in accordance with JIS R 3211 (1998) having a thickness of 2.5 mm with the thermoplastic film interposed therebetween after conducting a light resistance test for 2000 hours based on JIS R3205 2005 is 4 or less. The present invention provides a thermoplastic film comprising a light-emitting material, in which the emission intensity is unlikely to lower even when the thermoplastic film is exposed to ultraviolet rays for a long period of time.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 5, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Kinryou Chou, Daisuke Nakajima, Takanori Hamada
  • Publication number: 20230382082
    Abstract: Provided is a multilayer foam sheet excellent in flexibility and mechanical strength in the shear direction. A multilayer foam sheet of the present invention is a multilayer foam sheet including: a base layer including a foam layer, and a surface layer including a foam layer or a resin film and laminated on at least one side of the base layer directly or with another layer interposed therebetween, a low-speed shear modulus being 50 MPa or more, and a 25% compressive strength being 125 kPa or less.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 30, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kento SATO, Hiroki MATSUKAWA, Masahiro HAMADA
  • Patent number: 11826988
    Abstract: There is provided an inter layer film for laminated glass with which the flexural rigidity of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and is provided with a first layer containing a polyvinyl acetal resin and a plasticizer, and the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is less than or equal to 250 cm?1 and the content of the plasticizer contained in the first layer relative to 100 parts by weight of the polyvinyl acetal resin contained in the first layer is greater than or equal to 5 parts by weight and less than 30 parts by weight, or the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is greater than 250 cm?1.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: November 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
  • Patent number: 11827766
    Abstract: Provided is a resin material capable of effectively improving the insulating properties and the thermal conductivity, and further effectively controlling the variation in dielectric breakdown strength, and further effectively increasing the adhesion. A resin material according to the present invention includes first inorganic particles, second inorganic particles, and a binder resin, and a ratio of a compressive strength at 10% compression of the first inorganic particles to a compressive strength at 10% compression of the second inorganic particles is 2.5 or more, the second inorganic particles have a compressive strength at 10% compression of 1.5 N/mm2 or less, and the second inorganic particles include primary particles having an aspect ratio of 7 or less.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: November 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuko Kawahara, Keigo Oowashi, Kouji Ashiba, Masataka Sugimoto
  • Publication number: 20230374240
    Abstract: A foam sheet having at least one glass transition temperature (Tg) of 0 to 40° C., a peak value of the loss tangent (tan?) in the glass transition temperature (Tg) of 0.30 or more, and a 25% compressive strength of 1000 kPa or less, and further having a glass transition temperature (Tg) of ?40° C. or less. A foam sheet having cushioning properties and vibration resistance in which no cracking occurs even when used in cold areas can be provided.
    Type: Application
    Filed: September 29, 2021
    Publication date: November 23, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Masahiro HAMADA
  • Patent number: 11820107
    Abstract: Provided is an interlayer film for laminated glass with which transmitted double images in the laminated glass can be suppressed. An interlayer film for laminated glass according to the present invention has one end and the other end being at the opposite side of the one end, and the other end has a thickness larger than a thickness of the one end, and when an inclination of approximate line A and a maximum value of absolute values of deviation in partial wedge angle are calculated according to determination of a specific formula of approximate line A and calculation of deviation in partial wedge angle, the inclination of approximate line A is ?0.05 mrad/m or less in at least one section A, and the maximum value of absolute values of deviation in partial wedge angle is 0.2 mrad or less.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: November 21, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun Ishida, Hiromitsu Nishino