Patents Assigned to TOYOCHEM CO., LTD
  • Publication number: 20250141040
    Abstract: A binder for a non-aqueous secondary battery separator to form a non-aqueous secondary battery separator excellent in flexibility, etc. is provided. An electricity storage device having excellent long-term storage stability etc. is also provided. The binder for a non-aqueous secondary battery separator includes a polymer (A) of a monomer mixture including a monomer having an acidic functional group, a monomer having an amide group, and an alkyl (meth)acrylate monomer, and a condensation product of a silane compound, and has a glass transition temperature of ?60° C. to 60° C. The electricity storage device has a separator substrate provided with at least one protective layer between a pair of electrodes, in which the protective layer includes a polymer of an ethylenically unsaturated monomer, and a silane compound, and the silane compound has no ethylenically unsaturated group but has an alkyl group having 3 to 12 carbon atoms.
    Type: Application
    Filed: August 22, 2022
    Publication date: May 1, 2025
    Applicants: artience Co., Ltd., TOYOCHEM CO., LTD.
    Inventors: Yoshiyuki SAKAI, Takaaki KOIKE, Airei CHOU, Daisuke FUJIKAWA, Akiko IMAZATO
  • Publication number: 20250017870
    Abstract: Provided is an adhesive patch having excellent percutaneous absorption of selexipag. The adhesive patch of the present invention is characterized by including a backing and an adhesive layer that is integrally laminated on one surface of the backing and includes selexipag and an acrylic adhesive. In the adhesive layer, selexipag and an acrylic adhesive are used in combination to provide an adhesive patch having excellent percutaneous absorption of selexipag. The adhesive patch can percutaneously administer selexipag as a drug.
    Type: Application
    Filed: November 8, 2022
    Publication date: January 16, 2025
    Applicants: Artience Co., Ltd., TOYOCHEM CO., LTD., TOA EIYO LTD
    Inventors: Yutaka KATO, Toshikazu KOMODA, Naohiro NISHIDA
  • Publication number: 20250010521
    Abstract: One embodiment relates to a method for the separation and recovery of a laminate that includes a step for immersing a laminate provided with at least a polyolefin base material layer and a release layer in contact with the polyolefin base material layer in a release solution containing a surfactant having an HLB value of 7 or more and a defoamer having an HLB value of 1-3, releasing the release layer, and recovering the polyolefin base material, the release layer being a layer including a water-soluble resin or a compound having an acidic group.
    Type: Application
    Filed: November 17, 2022
    Publication date: January 9, 2025
    Applicants: artience Co., Ltd., TOYO INK CO., LTD., TOYO-MORTON, LTD., TOYOCHEM CO., LTD.
    Inventors: Tomoe YAMAGAMI, Wataru SHIKIJI, Daisuke MAEDA, Soichiro KONDO
  • Publication number: 20240375320
    Abstract: One embodiment of the present invention pertains to a packaging material provided with at least a first base material, a primer layer(S), and a printing layer (R) in the stated order, or a packaging material provided with at least the first base material and the printing layer (T) in the stated order. The primer layer(S) and the printing layer (T) are each a layer that is for recycling the first base material by causing the first base material to be separated therefrom and that contains a compound having an acidic group. The printing layer (R) and the printing layer (T) are each a layer that contains a colorant, a dispersant (A), and a binder resin.
    Type: Application
    Filed: August 30, 2022
    Publication date: November 14, 2024
    Applicants: artience Co., Ltd., TOYO INK CO., LTD., TOYO-MORTON, LTD., TOYOCHEM CO., LTD.
    Inventors: Tomoe YAMAGAMI, Wataru SHIKIJI, Soichiro KONDO
  • Publication number: 20240228843
    Abstract: A pressure sensitive adhesive composition and a pressure sensitive adhesive sheet which can be made ageless, and have not only sufficient pressure sensitive adhesive properties but also excellent storage stability and can be used stably for a long period even after a curing agent is blended are provided. A pressure sensitive adhesive composition according to a first aspect includes an acrylic polymer (A), a metal chelate compound (B), and a polycarboxylic acid compound (C). The acrylic polymer (A) is a copolymer of a monomer mixture including a monomer (a1) having an acidic group, and a content of the monomer (a1) having the acidic group is 0.01 mass % or more and 20 mass % or less per 100 mass % of the monomer mixture.
    Type: Application
    Filed: September 12, 2022
    Publication date: July 11, 2024
    Applicants: ARTIENCE CO., LTD., TOYOCHEM CO., LTD.
    Inventor: Tomoki SHIMOMURA
  • Publication number: 20240222788
    Abstract: A binder dispersion having excellent electrolytic solution resistance, a slurry composition having excellent solution stability and coatability, a separator being low in water content and having excellent heat resistance and adhesion to a separator substrate, and a non-aqueous secondary battery having low internal resistance and good cycle characteristics. An object thereof is to be attained by using a binder dispersion for a non-aqueous secondary battery separator, the binder dispersion including a polymer and an aqueous medium, in which the polymer has an acid value of 15 mgKOH/g or less and is an ethylenically unsaturated monomer mixture containing (meth)acrylamide and a nonionic ethylenically unsaturated monomer with a specific value for an octanol/water partition coefficient logarithm (Log Kow) at 25° C., and light transmittance at a wavelength of 400 nm is less than 70% under a condition of a solid concentration of 5% by mass.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 4, 2024
    Applicants: artience Co., Ltd., TOYOCHEM CO., LTD.
    Inventors: Akiko IMAZATO, Yoshiyuki SAKAI, Takaaki KOIKE, Airei CHOU, Daisuke FUJIKAWA
  • Publication number: 20240191095
    Abstract: The disclosure provides a can inner surface coating material for forming a coating film formed on a can inner surface, wherein the coating material suppresses degradation of the contents caused by the coating film, and improves the processability of the coating film. Specifically provided is a can inner surface coating material including a polymer (A) having carboxy groups, a compound (D) having no ethylenic unsaturated bond and having one functional group (f) capable of reacting with a carboxy group, and a liquid medium, wherein the number of functional groups (f) is less than the number of carboxy groups contained in the polymer (A).
    Type: Application
    Filed: September 5, 2023
    Publication date: June 13, 2024
    Applicants: Toyo Ink SC Holdings Co., Ltd., TOYOCHEM CO., LTD.
    Inventor: Tetsuya Natsumoto
  • Patent number: 11990420
    Abstract: An electromagnetic wave shielding sheet according to the present embodiments is an electromagnetic wave shielding sheet for forming an electromagnetic wave shielding layer used for a component-mounting substrate including a substrate, an electronic component and an electromagnetic wave shielding layer, in which the electromagnetic wave shielding sheet includes at least one of a conductive layer before thermal pressing of the electromagnetic wave reflection layer and a conductive layer before thermal pressing of the electromagnetic wave absorption layer, the conductive layer before thermal pressing of the electromagnetic wave reflection layer includes a binder resin and a conductive filler, and the conductive layer before thermal pressing of the electromagnetic wave absorption layer includes a binder resin and an electromagnetic wave absorption filler. The Young's modulus of the conductive layer at 23° C. is set to 10 to 700 MPa.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: May 21, 2024
    Assignees: ARTIENCE CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Kazunori Matsudo, Ryota Umezawa, Kenji Ando, Tsutomu Hayasaka
  • Publication number: 20230390214
    Abstract: An object is to provide an adhesive patch that is excellent in both percutaneous absorbability of a drug and adhesiveness to the skin. An adhesive patch of the present invention includes a backing and an adhesive layer integrally laminated on one side of the backing, the adhesive layer including a drug, levulinic acid, and an acrylic adhesive including an acrylic polymer (A) containing a vinyl-based monomer (I) moiety having a solubility parameter of 9 (cal/cm3)1/2 or more. According to the present invention, it is possible to provide an adhesive patch that is excellent in both percutaneous absorbability of a drug and adhesiveness to the skin.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 7, 2023
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Hiroto TERASHIMA, Yutaka KATO, Tomomi HOSHINO, Toshikazu KOMODA
  • Patent number: 11825632
    Abstract: The present invention provides a thermally conductive insulating sheet having appropriate fluidity upon being heated and pressurized, and free from of the possibility of a material leaking to the outside beyond the original size of the sheet. The thermally conductive insulating sheet according to the present invention contains an uncured material and/or a semi-cured material of a binder resin (R) which is a thermosetting resin. In the present invention, a complex viscosity in a temperature range of 100-200° C. is 10,000-150,000 Pa·s, a ratio (?/?) of the maximum value (?) to the minimum value (?) of the complex viscosity in said temperature range is 1.0-4.0, and the flow value is 90-100%. Flow value(%)=W2/W1×100.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: November 21, 2023
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Toshiichi Sawaguchi, Naohiro Tanaka, Kaori Sakaguchi, Kenji Andou, Hidenobu Kobayashi
  • Publication number: 20230365037
    Abstract: A hot-melt magnetic tape for a foam molded body, the tape having a magnetic layer formed from a hot-melt magnetic material, where the hot-melt magnetic material has a ring and ball softening point of 105° C. or more and 140° C. or less, and the hot-melt magnetic material includes: a thermoplastic resin containing an ethylene-vinyl acetate copolymer (A); and a magnetic powder (C), and, optionally, further includes a wax (B), where 20 to 80% by mass of the component (A), 0 to 8% by mass of the component (B), and 15 to 80% by mass of the component (C) are contained in 100% by mass in total of the component (A), component (B), and component (C), and a structural unit derived from a vinyl acetate monomer for the ethylene-vinyl acetate copolymer (A) accounts for 15 to 30% by mass.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 16, 2023
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD., MOLD TECHNICAL OFFICE CO., LTD.
    Inventors: Hideyuki ISHIGURO, Kenichi HARA, Hiroshi YAMAGUCHI, Toshio IWASAWA, Futoshi TAKAHASHI, Ryo IWASAWA
  • Publication number: 20230313007
    Abstract: An adhesive for an electrical storage device packaging material containing a polyol compound (A), a polyisocyanate compound (B), and an epoxy resin (C), in which the polyol compound (A) contains an ester bond-containing polyol, and the following formula is satisfied when a stress at the time when a cured film obtained by performing curing under the condition of 80° C. for 2 weeks is stretched to twice its length at a speed of 6 mm/min under an environment of 20° C. and 65% RH is S1 [N/mm2], and a stress at the time when the cured film is held for 100 seconds in a stretched state is S2 [N/mm2]. Formula: 10.0?(S1?S2)/S1×100?40.0.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYO-MORTON, LTD., TOYOCHEM CO., LTD.
    Inventors: Koki SHIRAISHI, Hiroshi HANAKI, Tsutomu HIROSHIMA, Takafumi AKIYAMA
  • Patent number: 11533833
    Abstract: An electromagnetic wave shielding sheet according to the disclosure is configured by a protection layer, a metal layer, and a conductive adhesive layer. The metal layer has a plurality of openings, and an aperture ratio of the opening is 0.1%-20%. In addition, a tensile breaking strength of the electromagnetic wave shielding sheet is 10 N/20 mm-80 N/20 mm.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: December 20, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Daisuke Kishi, Shota Mori, Takahiro Matsuzawa, Tsutomu Hayasaka
  • Patent number: 11434396
    Abstract: The invention provides a synthetic rubber pressure-sensitive adhesive which has excellent heat resistance and substrate adhesiveness, is capable of inhibiting offset, peeling or the like even in a high-temperature environment and is suitable for applications in a high-temperature environment, a pressure-sensitive adhesive sheet and a polishing member laminate. The synthetic rubber pressure-sensitive adhesive of the invention contains: a synthetic rubber (A) including a styrene-isoprene block copolymer, an adhesion-imparting resin (B), and a fatty acid ester (C) with a weight reduction rate of 1 wt % or less after being heated at 150° C. for 10 minutes. Based on 100 parts by weight of the synthetic rubber (A), the content of the adhesion-imparting resin (B) is set as ? parts by weight to 60 parts by weight, and the content of the fatty acid ester (C) is set as 0.1 parts by weight to 10 parts by weight.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: September 6, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventor: Tadashi Abe
  • Patent number: 11407201
    Abstract: A composite member (1) satisfies the following expressions. X/(E×|CTE(B)?CTE(A)|)?50, X/(E×|CTE(B)?CTE(C)|)?50, Y/|CTE(B)?CTE(A)|×L(BA)?50, and Y/|CTE(B)?CTE(C)|×L(BC)?50. X: shear bond strength (MPa) between the heat dissipating base substrate and heat generating member, Y: fracture elongation of the thermoconductive insulating adhesive film, E: modulus of elasticity (MPa) of the thermoconductive insulating adhesive film, CTE(A): linear expansion coefficient (° C.?1) of the heat dissipating base substrate, CTE(B): linear expansion coefficient (° C.?1) of the thermoconductive insulating adhesive film, CTE(C): linear expansion coefficient (° C.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: August 9, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Toshiichi Sawaguchi, Naohiro Tanaka, Kaori Sakaguchi, Kenji Andou, Hidenobu Kobayashi
  • Publication number: 20220195258
    Abstract: The double-sided pressure-sensitive adhesive sheet according to one aspect is a double-sided pressure-sensitive adhesive sheet for bonding a polishing pad to a surface plate, for bonding a polishing member to the surface plate, or for forming the polishing member, the pressure-sensitive adhesive sheet including a sheet-shaped base material, and a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer provided on each main surface of the base material, where at least one of the first adhesive layer and the second adhesive layer is a pressure-sensitive adhesive layer that is formed from a pressure-sensitive adhesive including an acrylic-based copolymer having a specific composition and a specific molecular weight, a tackifier resin having a specific amount, and a tolylene diisocyanate trimethylolpropane adduct, the pressure-sensitive adhesive layer having a gel fraction of 5 to 50% by mass.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 23, 2022
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventor: Tadashi ABE
  • Patent number: 11208565
    Abstract: Processability of a paint film is improved and a water-soluble paint in which coloring during heating to a high temperature is minimized and which has excellent productivity and a coated can having a paint film of such a water-soluble paint are provided. A water-soluble paint including a polymer emulsion (C) and a phenolic resin (D) is provided; wherein the polymer emulsion (C) includes a shell part containing an acrylic polymer (A) having a carboxyl group and a core part containing an acrylic polymer (B) having an amide group, wherein the phenolic resin (D) includes a bifunctional phenolic resin (D2) based on a bifunctional phenol and a trifunctional phenolic resin (D3) based on a trifunctional phenol, and a mass ratio ((D2)/(D3)) between the bifunctional phenolic resin (D2) and the trifunctional phenolic resin (D3) is 95/5 to 40/60.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: December 28, 2021
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Takayasu Ikeda, Tetsuya Natsumoto, Yuki Sato
  • Patent number: 11172599
    Abstract: An electromagnetic-wave shielding sheet is an electromagnetic-wave shielding sheet used to form an electronic component-mounted substrate, the electronic component-mounted substrate including an electromagnetic-wave shielding layer covering at least a part of a step part and an exposed surface of a substrate, in which the electromagnetic-wave shielding sheet is a laminate including a cushion layer and a conductive layer, the conductive layer is an isotropic conductive layer containing a binder resin and a conductive filler, a thickness of the conductive layer is 8 to 70 ?m, and a content of the conductive filler in a region on a side opposite to a cushion layer side in the conductive layer is larger than that in a region on the cushion layer side in the conductive layer.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: November 9, 2021
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Shota Mori, Kazunori Matsudo, Kenji Ando, Tsutomu Hayasaka
  • Patent number: 11130890
    Abstract: An adhesive composition that exhibits excellent adhesive performance such as curved surface adhesiveness to low-polarity adherends and constant load peeling properties in high-temperature environments, and also an adhesive sheet and a method for producing the same.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: September 28, 2021
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Yoshitaka Tone, Toru Oya, Tetsuya Natsumoto, Hiroyuki Hayashi, Naoki Takeuchi, Yutaro Kato
  • Publication number: 20210251111
    Abstract: An electromagnetic-wave shielding sheet is an electromagnetic-wave shielding sheet used to form an electronic component-mounted substrate, the electronic component-mounted substrate including an electromagnetic-wave shielding layer covering at least a part of a step part and an exposed surface of a substrate, in which the electromagnetic-wave shielding sheet is a laminate including a cushion layer and a conductive layer, the conductive layer is an isotropic conductive layer containing a binder resin and a conductive filler, a thickness of the conductive layer is 8 to 70 ?m, and a content of the conductive filler in a region on a side opposite to a cushion layer side in the conductive layer is larger than that in a region on the cushion layer side in the conductive layer.
    Type: Application
    Filed: October 1, 2019
    Publication date: August 12, 2021
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCHEM CO., LTD.
    Inventors: Shota MORI, Kazunori MATSUDO, Kenji ANDO, Tsutomu HAYASAKA