Patents Assigned to Sekisui Chemical Co., Ltd.
  • Publication number: 20200243724
    Abstract: The light emitting structure of the present invention includes a sheet-shaped structure which absorbs excitation light and emits light with wavelength conversion and which has a maximum emission wavelength of 400 nm or more; and an antireflection material provided on a side surface of the sheet-shaped structure.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 30, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo YOSHIDA, Yuusuke OOTA, Yasuyuki IZU, Daizou II, Masaki MATSUDOU, Kinryou CHOU, Daisuke NAKAJIMA
  • Publication number: 20200231086
    Abstract: A light emission device 20 comprises a light source 21 irradiating excitation light; and a window glass 13 emitting visible light through incident radiation of the excitation light, which is attached to a car door 10, wherein the window glass 13 emits the light by irradiation with the excitation light depending on an opening/closing state of the car door 10. The present invention can provide a light emission device that enables the opening and closing of a vehicle door to be easily recognized by a person in the back, without attaching any separate part to an outer side of the vehicle door or the like.
    Type: Application
    Filed: October 9, 2018
    Publication date: July 23, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Daisuke NAKAJIMA, Yuusuke OOTA, Atsushi NOHARA, Masashi YANAI
  • Publication number: 20200231763
    Abstract: The present invention aims to provide a masterbatch for foam molding which can be suitably used in molding involving high shear force or molding requiring low molding temperature and which can provide a foam molded article having a high expansion ratio and good appearance quality. The present invention also aims to provide a foam molded article formed from the masterbatch for foam molding. Provided is a masterbatch for foam molding, containing: a base resin; and a thermally expandable microcapsule, the masterbatch having a true specific gravity of 0.80 g/cm3 or more, the base resin containing an olefin elastomer, the masterbatch containing the thermally expandable microcapsule in an amount of 40 to 300 parts by weight relative to 100 parts by weight of the base resin.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 23, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Yusaku UCHIYAMA
  • Publication number: 20200223172
    Abstract: The present invention aims to provide a vehicular windshield having a laminated glass structure in which an interlayer film for laminated glass is interposed between at least a pair of glass plates, which contains few air bubbles remaining between the glass plates and the interlayer film for laminated glass to have an excellent appearance and is less likely to cause ghosting when external rays of light are seen through the vehicular windshield.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 16, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi KITANO, Manabu MATSUMOTO, Kazuhiko NAKAYAMA
  • Publication number: 20200227579
    Abstract: The laminated structure of the present invention includes a sheet-shaped member and first and second transparent sheets provided on both sides, respectively, of the sheet-shaped member, wherein the sheet-shaped member absorbs excitation light and emits light with wavelength conversion, and has a maximum emission wavelength of 500 nm or more, and a reflectance that is measured for the laminated structure at the maximum emission wavelength is 30% or more.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 16, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo YOSHIDA, Yuusuke OOTA, Yasuyuki IZU, Daizou II, Masaki MATSUDOU, Kinryou CHOU, Daisuke NAKAJIMA, Atsushi NOHARA
  • Publication number: 20200227337
    Abstract: A thermally conductive sheet according to the present invention is a thermally conductive sheet comprising a thermally conductive filler, the thermally conductive sheet having a thermal conductivity of 7 W/m·K or more, a 30% compression strength of 1500 kPa or less, and a tensile strength of 0.08 MPa or more. According to the present invention, a thermally conductive sheet having excellent thermally conductive properties, flexibility, and handling properties can be provided.
    Type: Application
    Filed: July 24, 2018
    Publication date: July 16, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Masahiro HAMADA
  • Patent number: 10711128
    Abstract: The present invention aims to provide a modified polyvinyl acetal resin composition that is excellent in storage stability, has high strength and excellent adhesiveness, and is capable of reducing occurrence of warping or peeling when used for bonding different materials. The present invention relates to a modified polyvinyl acetal resin composition containing: a modified polyvinyl acetal resin having a constitutional unit with an imine structure, and an epoxy resin.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: July 14, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takayuki Maeda, Kenji Yamauchi, Shiori Tateno
  • Patent number: 10711081
    Abstract: The present invention provides a vinyl alcohol-vinyl acetate copolymer having excellent solubility and a method for producing a vinyl alcohol-vinyl acetate copolymer. Provided is a vinyl alcohol-vinyl acetate copolymer including a unit of vinyl alcohol and a unit of vinyl acetate, the vinyl alcohol-vinyl acetate copolymer having a randomness value R of 0.5 or higher, the randomness value R being obtained using the following equation (1): R = 1 L A + 1 L O ( 1 ) where LO represents a mean chain length of the unit of vinyl alcohol and LA represents a mean chain length of the unit of vinyl acetate.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: July 14, 2020
    Assignees: TOKUSHIMA UNIVERSITY, SEKISUI CHEMICAL CO., LTD.
    Inventors: Koichi Ute, Tomohiro Hirano, Miyuki Oshimura, Yasunari Kusaka
  • Publication number: 20200219731
    Abstract: A display apparatus includes laminated glass comprising an interlayer film laminated between a pair of glass plates; and an irradiation device irradiating the laminated glass with light rays, wherein the interlayer film comprises a thermoplastic resin and a luminescent material, wherein an output of the light rays radiated from the irradiation device is equal to or less than 1 mW, and wherein the laminated glass emits light at a luminance of equal to or greater than 1 cd/m2 when being irradiated with the light rays.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima
  • Publication number: 20200216719
    Abstract: The present invention aims to provide a flexible resin foam having excellent shapeability and a resin foam sheet, an adhesive tape, a member for a vehicle, and a member for a building each including the resin foam. Provided is a resin foam having a multitude of cells, the resin foam including: a polyvinyl acetal; and a plasticizer, the resin foam having an elongation strain of 300% or more and a 50% compression stress of 70 kPa or less.
    Type: Application
    Filed: July 5, 2018
    Publication date: July 9, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori TAKAHASHI, Juichi FUKATANI, Tomohiro HIDA
  • Publication number: 20200220175
    Abstract: The present invention aims to provide a composition for a secondary battery electrode which is excellent in dispersibility of an active material and adhesiveness, capable of preventing battery deterioration and failure due to moisture absorption, and capable of providing a high-capacity secondary battery. Provided is a composition for a secondary battery electrode, containing: an active material; a binder; and an organic solvent, the binder containing a polyvinyl acetal resin, the polyvinyl acetal resin having an electron-donating group that has an acid dissociation constant in water of less than 16 and an electron-withdrawing group, the polyvinyl acetal resin having a degree of polymerization of 250 to 800 and a hydroxy group content of 35 to 70 mol %.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 9, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Yuutarou ASABA
  • Publication number: 20200207530
    Abstract: A water-soluble packaging film according to the present invention is a water-soluble packaging film comprising a polyvinyl alcohol resin, and has, on a film surface, irregularities having a surface roughness (Ra) of 0.3 to 1 ?m and a maximum height (Rz) of 3 to 9 ?m.
    Type: Application
    Filed: August 27, 2018
    Publication date: July 2, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Yasuyuki IEDA
  • Patent number: 10696812
    Abstract: The present invention aims to provide a porous polyvinyl acetal object and a nonwoven polyvinyl acetal fabric each capable of exhibiting significantly high shock absorption. Provided is a porous polyvinyl acetal object having a large number of cells, including: a polyvinyl acetal; and a plasticizer, the porous object having an open cell ratio of 10% or higher, the porous object in the form of a sample with a size of 10 cm in length, 10 cm in width, and 4 mm in thickness having a coefficient of rebound (rebounding height/drop height) of 0.1 or lower in measurement of a rebounding height of a ½-inch SUS ball in conformity with JIS B 1501 dropped from a given drop height to the center of the sample placed on an iron plate with a size of 10 cm or more in length, 10 cm or more in width, and 1 cm in thickness.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: June 30, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Katsunori Takahashi
  • Patent number: 10696020
    Abstract: There is provided an interlayer film for laminated glass with which a low yellow index value, low excitation purity and high heat shielding properties can be achieved in spite of the thickness varying with places. The interlayer film for laminated glass according to the present invention has a thickness of one end thinner than a thickness of the other end at the opposite side of the one end and includes a thermoplastic resin, an ultraviolet ray screening agent and tungsten oxide particles, and the ultraviolet ray screening agent is a benzotriazole-based ultraviolet ray screening agent.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: June 30, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Ryuta Tsunoda
  • Patent number: 10696804
    Abstract: The present invention relates to a carbon fiber composite material containing carbon fibers coated with amorphous carbon, and a matrix resin. According to the present invention, a high-strength carbon fiber composite material can be provided.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: June 30, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Masanori Nakamura
  • Publication number: 20200199045
    Abstract: A catalyst for synthesizing a conjugated diene from a raw material including an alcohol, which includes at least Ce and Zn as metal elements constituting the catalyst. An apparatus for producing a conjugated diene, including: a reaction tube (1) provided with the catalyst; a supply means for supplying a raw material gas containing the raw material into the reaction tube (1); and an outlet means for releasing a product from the reaction tube (1). A method for producing a conjugated diene, including contacting a raw material gas containing a raw material with the catalyst to obtain a conjugated diene. The amount of the raw material is preferably 10 to 50% by volume (in terms of gas volume) with respect to 100% by volume (in terms of gas volume) of the raw material gas.
    Type: Application
    Filed: September 27, 2018
    Publication date: June 25, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Noritoshi YAGIHASHI, Toshihito MIYAMA, Shinsuke WATANABE, Haruka NISHIYAMA
  • Publication number: 20200199454
    Abstract: Provided is a composite particle capable of effectively suppressing the occurrence of color unevenness in a light-modulating material and effectively enhancing the light-modulating performance. The composite particle according to the present invention contains a pigment and has a particle diameter of 10 ?m or more and 100 ?m or less.
    Type: Application
    Filed: August 30, 2018
    Publication date: June 25, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yasuyuki YAMADA, Minoru NAKAJIMA, Saori UEDA
  • Publication number: 20200199345
    Abstract: The present invention provides a resin composition which has excellent decomposability at low temperature, can provide a molded article having high strength, and enables an increase in the number of layers and thinning so as to enable production of an all-solid-state battery and a ceramic laminate (e.g., a multilayer ceramic capacitor) having excellent properties. The present invention also relates to an inorganic fine particle-dispersed slurry composition containing the resin composition, an inorganic fine particle-dispersed sheet, a method for producing an all-solid-state battery, and a method for producing a multilayer ceramic capacitor.
    Type: Application
    Filed: June 21, 2018
    Publication date: June 25, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kenji YAMAUCHI, Tatsuya MATSUKUBO, Shinya NAKANO, Jo OTSUKA
  • Publication number: 20200199342
    Abstract: The present invention provides a resin composition for injection molding that can provide a molded body having excellent thermal stability, excellent thermal fluidity, and high water pressure resistance without a heavy metal such as lead or tin. The present invention also provides a molded body including the resin composition for injection molding. Provided is a resin composition for injection molding containing: a chlorinated polyvinyl chloride; polyvinyl chloride; and a thermal stabilizer, the thermal stabilizer containing a calcium alkyl carboxylate and a zinc compound, the polyvinyl chloride having a degree of polymerization of 400 to 1,000, the resin composition containing the polyvinyl chloride in an amount of 1 to 30 parts by mass relative to 100 parts by mass of the chlorinated polyvinyl chloride.
    Type: Application
    Filed: September 26, 2018
    Publication date: June 25, 2020
    Applicants: SEKISUI CHEMICAL CO., LTD., TOKUYAMA SEKISUI CO., LTD.
    Inventors: Hiroshi TANIGUCHI, Norikazu MASHINO, Tsukasa GOTOU, Hiroaki MOCHIZUKI
  • Patent number: 10688758
    Abstract: The present invention provides an intermediate film for laminated glass which can improve sound insulation. The intermediate film has a layered structure including at least two layers, comprising: a first layer containing a polyvinyl acetal resin and a plasticizer; and a second layer positioned on a first surface of the first layer. In a phase diagram of three values including a degree of acetalization, a degree of acetylation, and a hydroxyl group content of the polyvinyl acetal resin contained in the first layer, the values of the degree of acetalization, the degree of acetylation, and the hydroxyl group content each fall within a region surrounded by a line including four straight lines connecting first, second, third, and fourth coordinates, which respectively have a degree of acetalization:degree of acetylation:hydroxyl group content of 70 mol %:30 mol %:0 mol %, 34 mol %:30 mol %:36 mol %, 94 mol %:0 mol %:6 mol %, and 100 mol %:0 mol %:0 mol %.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 23, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Kohei Kani, Tatsuya Iwamoto