Patents Assigned to Sekisui Chemicals Co., Ltd.
  • Publication number: 20240191109
    Abstract: The present invention aims to provide an adhesive tape achieving both excellent adhesion and excellent holding power. Provided is an adhesive tape including an adhesive layer, the adhesive layer having scattering peaks in a scattering vector q range from 0.05 nm?1 to 1.0 nm?1 in small-angle X-ray scattering (SAXS) measurements at 23° C. and 100° C., and the adhesive layer having peaks of a loss tangent tan ? as determined by dynamic viscoelasticity measurement at a measurement frequency of 1 Hz, a temperature of a peak observed at the highest temperature among the peaks being 45° C. or lower.
    Type: Application
    Filed: April 27, 2022
    Publication date: June 13, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yudai OGATA, Nagisa TSUJI, Akira SHIMOJITOSHO, Takamichi SHINOHARA
  • Publication number: 20240186520
    Abstract: The present invention provides a resin composition for a secondary battery electrode that is excellent in the dispersibility of active materials, resistance against electrolyte solutions, and coating film density and capable of achieving both high conductivity and adhesion. Provided is a resin composition for a secondary battery electrode, the resin composition containing: an active material; a non-aqueous solvent; and a polyvinyl acetal resin, the polyvinyl acetal resin including a structural unit containing a halogen atom, and having a Vicat softening temperature of 50° C. or higher and 150° C. or lower.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 6, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun SASAKI, Yutaro ASABA, Keisuke TAKENAKA, Ryou SAKAMOTO
  • Publication number: 20240182668
    Abstract: The present invention provides a resin composition that has excellent application properties and excellent adhesion, can achieve high electron conductivity simultaneously with the dispersibility and dispersion stability of fibrous carbon materials, and enables production of lithium secondary batteries having high capacity retention. Provided is a resin composition containing: a fibrous carbon material; a non-aqueous solvent; and a polyvinyl acetal resin, the polyvinyl acetal resin including a structural unit containing an acidic functional group, and having an average degree of polymerization of 150 or greater and 1,500 or less and a hydroxy group content of 40.0 mol % or greater and 80.0 mol % or less.
    Type: Application
    Filed: March 23, 2022
    Publication date: June 6, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yutaro ASABA, Jun SASAKI, Keisuke TAKENAKA, Ryou SAKAMOTO
  • Publication number: 20240178397
    Abstract: The present invention provides an all-solid-state battery composition that is excellent in dispersibility of an active material or an electrolyte and adhesion, can provide a high-strength coating film or molded body, and enables the production of a high-capacity all-solid-state battery with low electrode resistance, and also provides an all-solid-state battery including the all-solid-state battery composition. The present invention relates to an all-solid-state battery composition to be used for an all-solid-state battery, the composition containing: an active material and/or a solid electrolyte; a polyvinyl acetal resin; and an organic solvent, the polyvinyl acetal resin having an average degree of polymerization of 5,000 or greater and 10,000 or less.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 30, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takayuki MAEDA, Yutaro ASABA
  • Publication number: 20240166822
    Abstract: A side chain type alkyl-modified silicone resin of the present invention is represented by the following general formula (1). In formula (1), R1 is a hydrogen atom or an alkenyl group, R2 is a long-chain alkyl group I having from 6 to 14 carbon atoms, R3 is a long-chain alkyl group II having from 15 to 18 carbon atoms, R4 is a methyl group or an ethyl group; w, x, y, and z represent the number of units of each structural unit; a percentage of x is from 5 to 80%, a percentage of y is from 15 to 80%, and a percentage of the sum of x and y is from 80 to 100%, with respect to the sum of w, x, y, and z; and x/y is from 0.1 to 10. The present invention is directed to providing a silicone resin that has high thermal conductivity while maintaining flexibility.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 23, 2024
    Applicant: Sekisui Chemical Co., Ltd.
    Inventors: Hiroya ISHIDA, Manish KAYAL
  • Publication number: 20240166820
    Abstract: A side chain type alkyl-modified silicone resin of the present invention is represented by the following general formula (1). In general formula (1), R1 is a hydrogen atom or an alkenyl group, R2 is an alkyl group I having from 1 to 14 carbon atoms, R3 is an alkyl group II having from 15 to 18 carbon atoms, R5 and R6 are each independently a hydrogen atom or a methyl group, R4 is a methyl group or an ethyl group; w, x, y, and z represent the number of units of each structural unit; w, x, y, and z may each be 0; x and y are not 0 at the same time; and a percentage of the sum of x and y with respect to the sum of w, x, y, and z is from 80 to 100%. According to the present invention, a silicone resin can be provided that has high thermal conductivity while maintaining flexibility.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 23, 2024
    Applicant: Sekisui Chemical Co., Ltd.
    Inventors: Hiroya ISHIDA, Manish KAYAL
  • Patent number: 11987020
    Abstract: The present invention aims to provide an interlayer film for a laminated glass that enables production of a laminated glass having high visible light transmittance even when deaeration for preliminary pressure bonding and heating for final pressure bonding are performed in parallel in a vacuum deaeration method. The present invention also aims to provide a method for producing the interlayer film for a laminated glass, and a laminated glass including the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a multitude of recesses on at least one surface, the surface with the recesses having a texture aspect ratio Str of 0.04 or lower as measured in conformity with ISO 25178.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: May 21, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Kazuhiko Nakayama
  • Publication number: 20240162018
    Abstract: The adhesiveness of a treatment target made of a fluorine-based hard-to-adhere material is improved. A process gas containing any one or two or more among carbon monoxide, carbon dioxide, hydrogen, water vapor, ethanol, propanol, hexanol, ethylene glycol, and ammonia is supplied from a process gas supply unit 10 to a plasma generation unit 20. In the plasma generation unit 20, the process gas is activated by plasma and is brought into contact with a treatment target 9, and through a reaction caused by the contact, the residual ratio of fluorine atoms on a surface of the treatment target 9 is adjusted to 60% or less of that before the contact, and any one among a carbon atom, a hydrogen atom, and an oxygen atom, or a molecule containing one or more of these atoms is provided to the surface of the treatment target.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 16, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Eiji MIYAMOTO, Masato AKAHORI, Hideki KONDO, Mamoru HINO
  • Publication number: 20240158625
    Abstract: The present invention provides a chlorinated polyvinyl chloride resin composition that is excellent in low-volatility in molding, processability after molding, thermal stability, and heat resistance and that enables the production of a molded body with high surface smoothness, and also provides a chlorinated polyvinyl chloride resin molded body. Provided is a chlorinated polyvinyl chloride resin composition containing: a chlorinated polyvinyl chloride resin; chlorinated polyethylene; and a thermal stabilizer, the chlorinated polyvinyl chloride resin containing a vinylidene unit in an amount of 3 to 32% by mass, the chlorinated polyvinyl chloride resin composition having a mass ratio of the chlorinated polyethylene to the thermal stabilizer (chlorinated polyethylene/thermal stabilizer) of 1.0 to 7.0, the chlorinated polyvinyl chloride resin composition having a loss on heating at 200° C. of less than 3% by mass.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 16, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kenichi MATSUMURA, Hiroaki MOCHIZUKI
  • Publication number: 20240156093
    Abstract: The present invention provides a viral infection inhibitor capable of exhibiting an excellent viral infection inhibitory effect. The viral infection inhibitor of the present invention is characterized by including a compound having a salt of a sulfonic acid group and an organic acid, The organic acid preferably has a solubility of 20 g/L or less in water at 25° C., and therefore, the viral infection inhibitor has an excellent viral infection inhibitory effect against both enveloped viruses and non-enveloped viruses, and exhibits the viral infection inhibitory effect against various types of viruses.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 16, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuya NISHIHARA, Taro SUZUKI, Daichi KAWAMURA
  • Patent number: 11981835
    Abstract: An interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, which is excellent in followability to steps of a decorative printing portion or wiring upon filling of an interlayer space (lamination) and also excellent in defoaming properties to release air bubbles entrapped during filling of an interlayer space (lamination) or air bubbles left near the steps, which is less likely to be whitened and less likely to deteriorate an ITO film even under a high-temperature and high-humidity environment. The present invention also aims to provide a laminate produced using the interlayer filling material for a touch panel. The interlayer filling material includes: a polyvinyl acetal; a plasticizer; and an organic acid.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: May 14, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Juichi Fukatani, Ryousuke Ebina, Takazumi Okabayashi
  • Publication number: 20240150626
    Abstract: An anticorrosive pressure-sensitive adhesive tape of the present invention comprises a pressure-sensitive adhesive layer, the anticorrosive pressure-sensitive adhesive tape preventing generation of rust in a cyclic corrosion test in accordance with Cycle D in JIS K5600-7-9 and having an adhesive force after the cyclic corrosion test of 20 N/25 mm or more. The present invention can provide an anticorrosive pressure-sensitive adhesive tape having a superior adhesive force and anticorrosive property than before.
    Type: Application
    Filed: March 8, 2022
    Publication date: May 9, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shouji KAJI, Takaaki SAKON, Shunichi MIYAMOTO, Hiroaki KOMATSU, Hinako ISHII
  • Publication number: 20240150181
    Abstract: There are provided, for example, a reducing agent that can be used in a chemical looping method, a method of producing a gas using such a reducing agent and a method of increasing conversion efficiency, through which the efficiency of converting carbon dioxide into carbon monoxide is high. The reducing agent of the present invention is a reducing agent that produces valuables containing carbon by reducing carbon dioxide, including a granular support having a plurality of pores and an angle of repose of 45° or more and an oxygen carrier which is supported on the support and has oxygen ion conductivity. In addition, in the reducing agent of the present invention, the support preferably has an average pore size of 0.1 nm or more.
    Type: Application
    Filed: March 3, 2022
    Publication date: May 9, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Risa SAKURAI, Keisuke IIJIMA, Koji TAKIZAWA, Souichirou SUZUKI
  • Patent number: 11975972
    Abstract: Provided is a carbon material that is large in specific surface area, and moreover, capable of easily forming an electrode film even when any binder is substantially not contained. Provided is a carbon material that has a BET specific surface area of 100 m2/g or more, with the weight of the carbon material remaining on a sieve after shaking being 90% by weight or more with respect to 100% by weight of the carbon material put in the sieve, when 0.2 g of the carbon material packed in a cylindrical syringe of 2 cm in diameter is compressed at a pressure of 16 kN, the whole of the compressed carbon material is taken out from the syringe and put in the sieve with an aperture of 4.75 mm, and the sieve is shaken for 1 minute.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: May 7, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takuya Wada, Naoki Sasagawa
  • Patent number: 11978959
    Abstract: An object is to provide a ?/4 radio wave absorber that includes a support, a resistive film, a dielectric layer, and a reflective layer, and that has higher radio wave absorption performance. The object is achieved by a ?/4 radio wave absorber that includes a support, a resistive film, a dielectric layer, and a reflective layer, and that satisfies formula (1): ?0.375x+1086.9<y<?0.375x+1140 wherein x represents a resistance value of the resistive film, and y=the thickness of the support×(the relative permittivity of the support)0.5+the thickness of the dielectric layer×(the relative permittivity of the dielectric layer)0.5.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: May 7, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori Mutou, Sachiko Nakao
  • Publication number: 20240141222
    Abstract: The heat-conducting resin sheet according to an aspect of the present invention comprises a thermally conductive plate-shaped particle, a thermally conductive spherical particle, and a resin, wherein the heat-conducting resin sheet has a thermal conductivity of 5 W/m·K or more and a 30% compressive strength B of 1500 kPa or less as measured at a compression rate of 1.0 mm/min. Furthermore, a volume ratio of the thermally conductive plate-shaped particle to the thermally conductive spherical particle (volume of thermally conductive plate-shaped particle/volume of thermally conductive spherical particle) is 30/70 to 90/10, and the total volume of the thermally conductive plate-shaped particle and the thermally conductive spherical particle is 30 to 90% by volume. According to the present invention, there can be provided a heat-conducting resin sheet that is excellent in the thermal conductivity and flexibility and can suppress the increase in the stress even when compressed quickly.
    Type: Application
    Filed: March 10, 2021
    Publication date: May 2, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuuki HOSHIYAMA, Kento TSUCHIYA, Nobuhiko INUI
  • Publication number: 20240141088
    Abstract: The present disclosure provides a novel and practical alcohol and derivatives thereof which have more industrial value than existing petrochemical raw materials. The present disclosure further provides ethanol, characterized in that a peak in gas chromatography measured by gas chromatograph mass spectrometry (GC/MS) has at least one peak with a retention time selected from (A) a peak of 5 minutes 25 seconds to 5 minutes 35 seconds and two peaks of 2 minutes 55 seconds to 3 minutes 5 seconds; (B) a peak of 12 minutes 30 seconds to 12 minutes 40 seconds; (C) a peak of 6 minutes 36 seconds to 6 minutes 45 seconds; and (D) a peak of 15 minutes 00 seconds to 15 minutes 15 seconds.
    Type: Application
    Filed: November 6, 2023
    Publication date: May 2, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kokoro HAMACHI, Noritoshi YAGIHASHI, Haruka NISHIYAMA, Kazuto NATSUYAMA
  • Publication number: 20240141082
    Abstract: The present invention provides a polyvinyl alcohol resin with which a polyvinyl acetal resin having a controlled particle size and forming less lumps during dissolution to exhibit excellent solubility can be produced. Provided is a polyvinyl alcohol resin containing: methyl acetate; a vinyl alcohol unit; and a vinyl acetate unit, the methyl acetate being contained in an amount of 0.05 to 3% by weight, the vinyl alcohol unit being contained in an amount of 80 to 99.5 mol %, the vinyl acetate unit having a mean chain length LA of 1 to 4.5, the vinyl alcohol unit having a mean chain length LO of 1 to 30.
    Type: Application
    Filed: March 7, 2022
    Publication date: May 2, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuki ISHIKAWA, Masumi FUJITA, Shizuka SUGIHARA
  • Publication number: 20240141183
    Abstract: Provided is a coating agent preparation kit with which a coating agent layer having a desired thickness can be satisfactorily obtained and a coating film can be easily formed. A coating agent preparation kit according to the present invention is a coating agent preparation kit for obtaining a coating agent by mixing, the coating agent preparation kit including a first composition and a second composition, the first composition including a curable compound curable with ultraviolet rays, heat, or moisture, and the second composition including hollow particles.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 2, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Akira KAMIYAMA, Satoru KUROZUMI
  • Patent number: 11970609
    Abstract: Provided a resin sheet excellent in both flame retardancy and impact resistance. The resin sheet according to the present invention is a resin sheet including an aromatic polycarbonate resin; an inorganic filler; a phosphorus-containing compound; and a silicon-containing compound, the resin sheet having a first surface on one side in a thickness direction; and a section in a direction perpendicular to the first surface, the section having segmentation areas of the inorganic filler, and the resin sheet having a ratio of a standard deviation of the segmentation areas to an average of the segmentation areas, the ratio being 0.53 or less, the segmentation areas each calculated by a segmentation method.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: April 30, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroki Oozeki, Hirotaka Takano, Takuto Kosai