Patents Assigned to Sekisui Chemical Co., Ltd.
  • Publication number: 20220372336
    Abstract: A cross-linked polyolefin resin foam of the present invention has a total light transmittance and a thickness that satisfy a predetermined condition, and has a reflection color difference ?* of ?10 to 16, a reflection color difference ?a* of ?3 to 3, and a reflection color difference ?L* of 50 or more. According to the present invention, there can be provided a cross-linked polyolefin resin foam that can suppress a change in color tone of transmitted light while ensuring transparency, and a pressure-sensitive adhesive tape, layered product, formed product, and display member that include such a cross-linked polyolefin resin foam.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 24, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Rie MATSUI, Hiroki MIKAMI
  • Publication number: 20220372204
    Abstract: Provided is a polyol-containing composition capable of preventing a polyurethane foam from hydrolyzing and having a good foaming property, a foamable polyurethane composition, and a polyurethane foam. The polyol-containing composition for obtaining a polyurethane foam by reacting with a polyisocyanate, the polyol-containing composition comprising a polyol, a catalyst, a foaming agent, and a filler, a content of the filler in the polyol-containing composition being 8 mass % or more, the catalyst comprising a metal catalyst containing at least one selected from the group consisting of bismuth and tin.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 24, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Tomonori KAJITA
  • Publication number: 20220363039
    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: Application
    Filed: November 20, 2019
    Publication date: November 17, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shinji KAWADA, Yuki ISHIKAWA
  • Publication number: 20220363887
    Abstract: The present invention aims to provide a resin composition for molding that makes it possible to achieve excellent continuous productivity and to produce a molded article having high surface smoothness, capable of reducing defective molding, less likely to crack during use, and also having excellent shock resistance. The present invention also aims to provide a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; and a melt additive, the resin composition containing three components including a A100 component, a B100 component, and a C100 component, and having a percentage of the C100 component [C100 component/(A100 component+B100 component+C100 component)] of 30% or less, the three components being identified by measuring the resin composition by a solid echo method using pulse NMR at 100° C.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 17, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Mitsuo MATSUMOTO, Ryota YAMASUGI, Tomohiro HORINOUCHI, Yoshito ARAI, Yasunari KUSAKA, Nami NAKAJIMA
  • Patent number: 11499042
    Abstract: The present invention aims to provide a resin foam excellent in shock absorption properties and damping properties and less likely to cause sheet misalignment. Provided is a resin foam having a multitude of cells, the resin foam containing: a polyvinyl acetal; and a plasticizer, the resin foam having a loss tangent tan ? with a peak of 0.5 or higher in the range of 0° C. to 50° C. as determined by dynamic viscoelasticity measurement at a measurement frequency of 1 Hz, and the resin foam having a 23° C. compression set of 85% or lower.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 15, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori Takahashi, Juichi Fukatani
  • Publication number: 20220359873
    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: Application
    Filed: July 12, 2022
    Publication date: November 10, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hikaru YOSHIKAWA, Yuichi SABI
  • Publication number: 20220355581
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass, the interlayer film having a structure of one or two or more layers, and comprising a first layer comprising a thermoplastic resin and a composite silica particle, in which the composite silica particle comprises a silica particle and an organic covering material with which a surface of the silica particle is covered, and a remaining fraction at dissolution in THF after still standing at 230° C. for 6 hours of the first layer is 15% by mass or less.
    Type: Application
    Filed: December 9, 2020
    Publication date: November 10, 2022
    Applicants: SEKISUI CHEMICAL CO., LTD., Admatechs Co., Ltd.
    Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Satoshi MAEDA, Yuji OONO, Kazuma OOSAWA, Takeshi YANAGIHARA, Susumu ABE
  • Publication number: 20220355579
    Abstract: An interlayer film for laminated glass of the present invention comprises at least an absorption region in which a skin absorption energy rate (X1) of a laminated glass is 25% or less, provided that the laminated glass is produced using two clear glass plates having a solar transmittance of 87.3% based on JIS R 3106.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Yuusuke OOTA, Atsushi NOHARA, Moyuru OKAJIMA, Kinryou CHOU
  • Publication number: 20220355580
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass comprising two or more resin layers, and comprising a first resin layer comprising a resin and a light diffusion particle and having a thickness of 150 ?m or less, in which a total light transmittance is less than 70%.
    Type: Application
    Filed: November 26, 2020
    Publication date: November 10, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Yuusuke OOTA, Kazuhiko NAKAYAMA, Kazuhiro TOMURA
  • Patent number: 11492554
    Abstract: There is provided a method for producing a recycled material, whereby a recycled material can be efficiently obtained from a tire. The method for producing a recycled material according to the present invention includes a step of subjecting a tire to a gasification treatment to generate a gas containing a C1 gas from the tire, and a step of obtaining a recycled material containing at least one species selected from the group consisting of isoprene, butadiene, a butanediol compound, a butanol compound, a butenal compound, succinic acid, and polymers of these compounds by using the gas containing the C1 gas.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: November 8, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Koichiro Iwasa
  • Patent number: 11491768
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property over a wide range of temperature from 0° C. to 40° C. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer structure or a two or more-layer structure, the interlayer film includes a resin layer, and a ratio of a first storage modulus G? at a peak temperature of a maximum peak of tan ? to a second storage modulus G? at a temperature 100° C. higher than the peak temperature of the maximum peak of tan ? is 50 or more and 500 or less in viscoelasticity measurement at a frequency of 1 Hz in a shearing mode.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: November 8, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuki Ishikawa, Shinji Kawada, Tatsuya Iwamoto, Nobuo Matsuki
  • Patent number: 11492528
    Abstract: Provided is a heat dissipation sheet capable of effectively enhancing adhesiveness and long-term insulation reliability. The heat dissipation sheet according to the present invention contains first inorganic particles having an aspect ratio of 2 or less, second inorganic particles having an aspect ratio of more than 2, and a binder resin. In this heat dissipation sheet, a content of the second inorganic particles is larger than a content of the first inorganic particles in 100% by volume of a region having a thickness of 15% on a first surface side in a thickness direction, and the content of the first inorganic particles in 100% by volume of the region having a thickness of 15% is larger than the content of the first inorganic particles in 100% by volume of a central region having a thickness of 70%.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: November 8, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuko Kawahara, Keigo Oowashi, Kouji Ashiba, Rui Zhang, Osamu Inui, Hiroshi Maenaka
  • Publication number: 20220347624
    Abstract: Provided are a method for producing a purified gas, which, when a valuable material is generated from a waste-derived raw material gas, can efficiently remove a phase transitioning impurity contained in the raw material gas, a method for producing a valuable material, a gas purification apparatus, and an apparatus for producing a valuable material. A method for producing a purified gas, comprising removing an impurity in a waste-derived raw material gas, the method comprising: a solid-phased impurity removing step S11 of passing the raw material gas through a phase transitioning impurity removing unit to remove a solid-phased phase transitioning impurity in the raw material gas; and an impurity removing step S12 of passing the raw material gas after the solid-phased impurity removing step through a pressure swing adsorption apparatus combined with a vacuum pump to remove an impurity in the raw material gas.
    Type: Application
    Filed: September 23, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tomoya HASEGAWA, Kazuto NATSUYAMA
  • Publication number: 20220347989
    Abstract: A multilayer tube is provided which suppresses the amount of calcium and organic component leaching to a low level and which can be realized as a tube that has mechanical properties at 60° C. This multilayer tube includes a first polyolefin resin layer configuring the innermost layer, and a second polyolefin resin layer arranged outside of the first polyolefin resin layer; the amount of calcium leaching, measured in accordance with SEMI F-57, of the material of the first polyolefin resin layer is less than 30 ?g/m2; the ratio of the thickness of the first polyolefin resin layer to the total thickness of the first polyolefin resin layer and the second polyolefin resin layer is 0.011-0.17. By means of this configuration, it is possible to suppress the amount of leaching of calcium and organic substances to a low level, and to realize a pipe having a strength that takes into account a 60° C. use environment.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shintarou UMEYAMA, Kouzou MAKINO, Yoshihiro INUI
  • Publication number: 20220352514
    Abstract: A positive electrode (1) for non-aqueous electrolyte secondary batteries, including a collector (11) and an active material layer (12), wherein a spreading resistance distribution of the layer (12) shows a profile with a sum of frequencies of resistance values 4.0 to 6.0 (log ?) accounting for 0.0 to 5.0% relative to a total, 100%, of frequencies of resistance values 4.0 to 12.5 (log ?). A positive electrode (1) for non-aqueous electrolyte secondary batteries, including a collector (11) and an active material layer (12), wherein the layer (12) includes an active material and a conductive carbon material, and an amount of a low-resistance conductive carbon material having a resistivity of 0.10 ?·cm or less is 0.5% by mass or less, based on a total mass of the layer (12).
    Type: Application
    Filed: March 18, 2022
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hikaru YOSHIKAWA, Yuichi SABI
  • Publication number: 20220348858
    Abstract: Provided is a cell culture scaffold material having excellent cell adhesion. The cell culture scaffold material according to the present invention contains a peptide-conjugated polyvinyl alcohol derivative having a polyvinyl alcohol derivative portion and a peptide portion, and the peptide portion has a cyclic peptide skeleton.
    Type: Application
    Filed: May 15, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Daigo KOBAYASHI, Mayumi YUKAWA, Kenta TAKAKURA, Ryoma ISHII, Hiroki IGUCHI, Yuuhei ARAI, Satoshi HANEDA, Nobuhiko INUI
  • Publication number: 20220352516
    Abstract: Provided is a carbon material that can improve characteristics such as electrostatic capacitance and rate characteristics of the power storage device. A carbon material used for an electrode material of a power storage device, the carbon material having a graphene layered structure, and in a small-angle X-ray scattering spectrum of the carbon material, a slope of a straight line connecting a point indicating a scattering intensity when a natural logarithm LN (q) of a scattering vector is ?1.5 and a point indicating a natural logarithm of a scattering intensity when the natural logarithm LN (q) of the scattering vector is 1.4 being ?1.5 or less.
    Type: Application
    Filed: September 23, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Naoki SASAGAWA, Takamichi SHINOHARA
  • Publication number: 20220347976
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass, comprising one or two or more resin layers, and comprising a first resin layer comprising a resin and a light diffusion particle, in which any resin layer in the interlayer film for laminated glass comprises a colorant.
    Type: Application
    Filed: November 26, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Yuusuke OOTA, Kazuhiko NAKAYAMA, Kazuhiro TOMURA
  • Publication number: 20220348755
    Abstract: The present invention provides a resin composition for molding having excellent thermal meltability and capable of providing a molded article that is less likely to crack from a resin weld during use and has excellent surface gloss, and a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; a polyvinyl chloride resin; and a melt additive, the resin composition having an area ratio of a peak B observed in a range of 0.6 to 1.0 ppm to a peak A observed in a range of 9.5 to 10 ppm (Area of peak B/Area of peak A) of 1 to 1,000 when a 1H NMR spectrum is measured by solution NMR.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tomohiro HORINOUCHI, Mitsuo MATSUMOTO, Ryota YAMASUGI, Yoshito ARAI, Yasunari KUSAKA, Nami NAKAJIMA
  • Patent number: 11489152
    Abstract: Provided is a sulfur-carbon material composite body which, when used for an electrode of a secondary battery, is unlikely to degrade cycle characteristics at the time of charging and discharging of the secondary battery. Disclosed is a sulfur-carbon material composite body including a first carbon material having a graphene layered structure; a spacer at least partially disposed between graphene layers of the first carbon material or at an end of the first carbon material; and sulfur or a sulfur-containing compound at least partially disposed between the graphene layers of the first carbon material or at the end of the first carbon material.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 1, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroyuki Nakatani, Shoji Nozato, Hiromori Tsutsumi, Kazuhide Ueno