Patents Assigned to Riken Technos Corporation
  • Patent number: 11655347
    Abstract: In one aspect, the present invention is an organic-inorganic hybrid membrane of a cerium oxide and an organic fluorine compound, the organic-inorganic hybrid membrane satisfying the following (a), (b), and (c): (a) the visible-light transmittance is 70% or higher; (b) the UV transmittance at a wavelength of 380 nm is 60% or lower; and (c) the water contact angle of the surface of the organic-inorganic hybrid membrane is 80° or higher. In another aspect, the present invention is an organic-inorganic hybrid membrane of a cerium oxide and an organic fluorine compound, the organic-inorganic hybrid membrane satisfying the following (a), (b), and (c?): (a) the visible-light transmittance is 70% or higher; (b) the UV transmittance at a wavelength of 380 nm is 60% or lower; and (c?) the water contact angle of the surface of the organic-inorganic hybrid membrane is 90° or higher. The organic fluorine compound may include a fluorine-based resin.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: May 23, 2023
    Assignees: HYOMEN KAIMEN KOBO CORPORATION, RIKEN TECHNOS CORPORATION
    Inventor: Yasunori Taga
  • Publication number: 20220380560
    Abstract: Embodiments provide a multilayer film, including: a first acrylic resin layer (?1), an aromatic polycarbonate resin layer (?), and a second acrylic resin layer (?2), where the first acrylic resin layer (?1), the aromatic polycarbonate resin layer (?), and the second acrylic resin layer (?2) are directly laminated in the stated order, where a glass transition temperature of an aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (?) is 100-140° C., and where the following formulae (4-1) and (4-2) and the following properties (i) and (ii) are satisfied: (T??T?1)?30 . . . (4-1), (T??T?2)?30 . . .
    Type: Application
    Filed: August 11, 2022
    Publication date: December 1, 2022
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Hideaki YAMBE, Kohei NAKASHIMA
  • Patent number: 11512194
    Abstract: The invention provides a thermoplastic resin composition having (A) a thermoplastic polymer comprising (a1) 5 mass % to less than 50 mass % of a propylene polymer having a melting point of 150° C. or higher, (a2) 10 mass % to less than 60 mass % of an ethylene polymer, (a3) 5 mass % to less than 50 mass % of, for example, a hydrogenated product of a block copolymer of an aromatic vinyl compound and a conjugated diene compound, and (a4) 1 mass % to less than 30 mass % of, for example, an unsaturated carboxylic acid-modified olefin polymer; (B) a softener for nonaromatic rubbers; (C) a metal hydrate; (D) an organic peroxide; (E) an antioxidant; and (F) a coupling agent.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: November 29, 2022
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Kaoru Iwasa, Shinichi Kishimoto
  • Patent number: 11370986
    Abstract: A sliding material composition comprising a polymer component comprising (A) a high-density polyethylene and (B) an olefin block copolymer; and (C) a silane coupling agent; wherein the Si content is 0.1 to 15% by mass based on the mass of the entire sliding material composition. The sliding material composition has the same level of slidability as a resin to which particles are added.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: June 28, 2022
    Assignee: RIKEN TECHNOS CORPORATION
    Inventor: Yoshiyuki Sekine
  • Patent number: 11339283
    Abstract: There are provided a thermoplastic resin composition capable of bonding a cyclic polyolefin-based polymer and an ethylene-vinyl alcohol copolymer with sufficient strength and to provide a laminate using the same.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: May 24, 2022
    Assignee: RIKEN TECHNOS CORPORATION
    Inventor: Ryota Nakanishi
  • Publication number: 20220113080
    Abstract: Embodiments provide a door body for opening and closing a front part of an article body, whereby the door body includes a front panel constituting a front of the door body, a frame supporting at least a part of an outside edge of the front panel, and a back panel constituting a back of the door body. According to at least one embodiment, the frame includes a support plate extending to an inside of the article body in a substantially vertical direction, the front panel is bonded to the support plate with a double-sided pressure-sensitive adhesive film, the double-sided pressure-sensitive adhesive film extends from a leading edge of the support plate to an inside of the door body, and a radius of curvature of a front side corner of the leading edge of the support plate is 0.1 to 10 mm.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Nozomu WASHIO, Taketo HASHIMOTO, Shoko NAKAJIMA, Hitomi INOMATA
  • Publication number: 20220106493
    Abstract: Embodiments provide an anchor coat agent, including: (P) a polymer comprised of: (p1) a structural unit derived from a (meth)acrylate having one or more of one or more types of backbones selected from the group consisting of a benzotriazole backbone, a triazine backbone, and a benzophenone backbone per molecule in an amount of 1-50 mol %, (p2) a structural unit derived from an alkyl (meth)acrylate in an amount of 30-95 mol %, and (p3) a structural unit derived from a hydroxyl group-containing (meth)acrylate in an amount of 1-50 mol %, provided that the sum of structural units derived from all constituent monomers is 100 mol %.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Motohiro SHIMIZU
  • Publication number: 20210324286
    Abstract: A sliding material composition comprising a polymer component comprising (A) a high-density polyethylene and (B) an olefin block copolymer; and (C) a silane coupling agent; wherein the Si content is 0.1 to 15% by mass based on the mass of the entire sliding material composition. The sliding material composition has the same level of slidability as a resin to which particles are added.
    Type: Application
    Filed: August 6, 2019
    Publication date: October 21, 2021
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Yoshiyuki SEKINE
  • Publication number: 20210122146
    Abstract: Embodiments provide a multilayer film in which: a first acrylic resin layer (?1), an aromatic polycarbonate resin layer (?), and a second acrylic resin layer (?2) are directly laminated in the stated order; the aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (?) is a product of ester exchange between a polycarbonic acid ester of an aromatic dihydroxy compound and a low-crystalline or amorphous aromatic polyester; and the relationships (T??T?1)?30 and (T??T?2)?30 (where Tal is the glass transition temperature of the acrylic resin constituting the first acrylic resin layer (?1), T?2 is the glass transition temperature of the acrylic resin constituting the second acrylic resin layer (?2), T? is the glass transition temperature of the aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (?), and all of the temperatures are measured in degrees Celsius) are satisfied.
    Type: Application
    Filed: May 18, 2018
    Publication date: April 29, 2021
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Hideaki YAMBE, Kohei NAKASHIMA
  • Patent number: 10877345
    Abstract: A light control film to be bonded to a panel member for a vehicle includes film substrates, conductive layers, and a liquid crystal layer. The conductive layers are on surfaces of the film substrates opposed to each other, respectively. The liquid crystal layer is sandwiched between conductive layers. The light control film is switchable between a first state with a first haze percentage and a second state with a second haze percentage that is lower than the first haze percentage. Each film substrate includes at least an acrylic imide layer made of acrylic imide. Each conductive layer includes a thin silver film or a copper wire mesh.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 29, 2020
    Assignees: TOYOTA BOSHOKU KABUSHIKI KAISHA, RIKEN TECHNOS CORPORATION, TDK CORPORATION
    Inventors: Masahiro Irie, Kanji Kobayashi, Kenji Okamoto, Nozomu Washio, Koji Mishima, Shouhei Harada, Kazushi Yamada
  • Publication number: 20200398541
    Abstract: One embodiment relates to a hardcoat multilayer film, which includes a first hardcoat and a transparent resin film layer in this order from the surface layer side, where the first hardcoat has been formed from a coating material that includes (A) 100 parts by mass of a copolymer of (a1) a polyfunctional (meth)acrylate and (a2) a polyfunctional thiol, (B) 0.01-7 parts by mass of a water repellent, and (C) 0.1-10 parts by mass of fine resin particles having an average particle diameter of 0.5-10 and that contains no inorganic particles. Another embodiment relates to a hardcoat multilayer film, which includes a first hardcoat and a transparent resin film layer in this order from the surface layer side, where the first hardcoat has been formed from a coating material that includes (A) a copolymer of (a1) a polyfunctional (meth)acrylate and (a2) a polyfunctional thiol, (B) a water repellent, and (C) fine resin particles having an average particle diameter of 0.
    Type: Application
    Filed: January 28, 2019
    Publication date: December 24, 2020
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Jun FUJIMOTO, Taketo HASHIMOTO
  • Publication number: 20200369865
    Abstract: The invention provides a thermoplastic resin composition having (A) a thermoplastic polymer comprising (a1) 5 mass % to less than 50 mass % of a propylene polymer having a melting point of 150° C. or higher, (a2) 10 mass % to less than 60 mass % of an ethylene polymer, (a3) 5 mass % to less than 50 mass % of, for example, a hydrogenated product of a block copolymer of an aromatic vinyl compound and a conjugated diene compound, and (a4) 1 mass % to less than 30 mass % of, for example, an unsaturated carboxylic acid-modified olefin polymer; (B) a softener for nonaromatic rubbers; (C) a metal hydrate; (D) an organic peroxide; (E) an antioxidant; and (F) a coupling agent.
    Type: Application
    Filed: August 8, 2017
    Publication date: November 26, 2020
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Kaoru IWASA, Shinichi KISHIMOTO
  • Publication number: 20200353725
    Abstract: According to at least one embodiment, there is provided a hard coat laminated film, including, from a surface layer side, a second hard coat, a first hard coat, and a transparent resin film layer, where the first hard coat and the transparent resin film layer are laminated directly, where the first hard coat is formed of a coating material including: (A) 100 parts by mass of a polyfunctional (meth)acrylate; and (B) 1 to 100 parts by mass of an N-substituted (meth)acrylamide compound, where the second hard coat is formed of a coating material containing no inorganic particles, and where the transparent resin film is a transparent multilayer film or a transparent monolayer film made of a poly(meth)acrylimide resin, where the transparent multilayer film includes a surface layer made of a poly(meth)acrylimide resin, the first hard coat being formed on the surface layer.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Masataka MORI, Nozomu WASHIO, Taketo HASHIMOTO
  • Publication number: 20200348449
    Abstract: One embodiment provides a hard coat laminated film, comprising, in order from a surface layer side, a first hard coat, a second hard coat, and a transparent resin film layer, where the first hard coat is formed of a coating material including: (A) 100 parts by mass of a polyfunctional (meth)acrylate; (B) 0.01 to 7 parts by mass of a water repellent; (C) 0.01 to 10 parts by mass of a silane coupling agent; and (D) 0.1 to 10 parts by mass of resin microparticles having an average particle diameter of 0.5 to 10 ?m, and containing no inorganic particles, and where the second hard coat is formed of a coating material containing inorganic particles. Another embodiment provides a hard coat laminated film having, in order from a surface layer side, a first hard coat, a second hard coat, and a resin film layer. The first hard coat includes a coating material that does not include inorganic particles. The second hard coat includes a coating material including inorganic particles.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Jun FUJIMOTO, Nozomu WASHIO, Taketo HASHIMOTO
  • Patent number: 10816700
    Abstract: Embodiments provide a hard coat layered film having a first hard coat, a second hard coat, and a transparent resin film layer in order from an outer layer side, the first hard coat including (A) 100 parts by mass of a polyfunctional (meth)acrylate including 20% by mass or more of a tripentaerythritol acrylate, (B) 0.01-7 parts by mass of a water repellent, and (C) 0.01-10 parts by mass of a silane coupling agent, the first hard coat being formed from a coating material not including inorganic particles, and the second hard coat including (A?) 100 parts by mass of a polyfunctional (meth)acrylate and (D) 50-300 parts by mass of inorganic fine particles having an average particle diameter of 1-300 nm. According to at least one embodiment, component (A) may be a mixture of tripentaerythritol acrylate and one or more species selected from the group consisting of dipentaerythritol acrylate, monopentaerythritol acrylate, and polypentaerythritol acrylate.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: October 27, 2020
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Nozomu Washio, Taketo Hashimoto
  • Patent number: 10809418
    Abstract: One embodiment provides a hard coat laminated film having, in order from a surface layer side, a first hard coat and a transparent resin film layer. The first hard coat includes a coating material not including inorganic particles and including: (A) 100 parts by mass polyfunctional (meth) acrylate; (B) 0.01-7 parts by mass water repellent; (C) 0.01-10 parts by mass silane coupling agent; and (D) 0.1-10 parts by mass resin microparticles having an average particle diameter of 0.5-10 ?m. Another embodiment provides a hard coat laminated film having, in order from a surface layer side, a first hard coat, a second hard coat, and a resin film layer. The first hard coat includes a coating material that does not include inorganic particles. The second hard coat includes a coating material including inorganic particles.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: October 20, 2020
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Jun Fujimoto, Nozomu Washio, Taketo Hashimoto
  • Patent number: 10780685
    Abstract: A hard coat laminated film according to at least one embodiment has, from the surface layer side, a first hard coat and a transparent resin film layer. The first hard coat is formed from a coating material including: (A) 100 parts by mass of a polyfunctional (meth)acrylate; and (B) 1-100 parts by mass of an N-substituted (meth)acrylamide compound. The transparent resin film has a first hard coat forming surface which is a poly(meth)acrylic imide resin. A hard coat laminated film according to another embodiment has, from the surface layer side, a second hard coat, the first hard coat and the transparent resin film layer. The second hard coat is formed from a coating material which includes: (A) 100 parts by mass of a polyfunctional (meth)acrylate; (E) 0.01-7 parts by mass of a water repelling agent; and (F) 0.01-10 parts by mass of a silane coupling agent; without inorganic particles.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: September 22, 2020
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Masataka Mori, Nozomu Washio, Taketo Hashimoto
  • Publication number: 20200282710
    Abstract: One embodiment is a hardcoat multilayer film which includes layers, namely, a first hardcoat, a second hardcoat and a transparent resin film sequentially from the surface layer side. The first hardcoat is formed from a coating material that does not contain inorganic particles, while containing 100 parts by mass of (A) a polyfunctional (meth)acrylate, 0.5-20 parts by mass of (B) a compound having two or more secondary thiol groups in each molecule, 0.01-7 parts by mass of (C) a water repellent agent and 0.01-10 parts by mass of (D) a silane coupling agent; and the second hardcoat is formed from a coating material that contains 100 parts by mass of (A) a polyfunctional (meth)acrylate and 30-300 parts by mass of (F) inorganic fine particles having an average particle diameter of 1-300 nm. The polyfunctional (meth)acrylate (A) may contain 20% by mass or more of a tripentaerythritol acrylate. The coating material which forms the first hardcoat may additionally contain 0.
    Type: Application
    Filed: November 7, 2017
    Publication date: September 10, 2020
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Nozomu WASHIO
  • Patent number: 10767035
    Abstract: Embodiments provide a method for producing a film including a thermoplastic resin composition, the method including: (1) a step of subjecting a thermoplastic resin composition to preliminary heating at 100-250° C.; (2) a step of subjecting a first roller and second roller of a calender roll film-forming apparatus to pre-heating; and (3) a step of introducing the thermoplastic resin composition, which has been subjected to preliminary heating in step (1), into the clearance between the first roller and second roller, which have been pre-heated in step (2), and continuously winding a molten film of the thermoplastic resin composition on the first roller. According to at least one embodiment, the rotational speed of the first roller is higher than the rotational speed of the second roller.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 8, 2020
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Tomohiro Takahashi, Hidemasa Sugimoto
  • Publication number: 20200247973
    Abstract: Embodiments relate to a hard coat laminated film having a first hard coat, a second hard coat, and a transparent resin film layer, where: the first hard coat is formed from paint which contains predetermined amounts of (A) a multifunctional (meth)acrylate, (B) a water repellent, and (C) a silane coupling agent, and which does not contain inorganic particles; and the second hard coat is formed from paint containing predetermined amounts of (D) a polymerizable compound and (E) inorganic fine particles having an average particle size of 1-300 nm. The (D) polymerizable compound contains: (d1) a multifunctional (meth)acrylate having three or more (meth)acryloyl groups in one molecule; (d2) a compound having two or more secondary thiol groups in one molecule; and optionally, (d3) at least one (meth)acrylate selected from the group consisting of a (meth)acrylate having two (meth)acryloyl groups in one molecule, a (meth)acrylate having one (meth)acryloyl group in one molecule, and a urethane(meth)acrylate.
    Type: Application
    Filed: July 27, 2017
    Publication date: August 6, 2020
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Masataka MORI, Yasuhiro ITAGAKI