Patents Assigned to Riken Technos Corporation
  • Publication number: 20190276710
    Abstract: In one embodiment, there is provided an adhesive film having (?) a layer of polyvinyl chloride resin film and (?) an adhesive layer in the stated order from the surface-layer side, where the (?) adhesive layer is formed from an adhesive including: (A) 100 parts by mass of an acrylic polymer that satisfies the features (a1) and (a2), specifically (a1) an acid value of 18-27 mg KOH/g, and (a2) a mass-average molecular weight of 500,000 to 1,000,000; and (B) 0.1-3 parts by mass of a compound having two or more isocyanate groups per molecule. In another embodiment, there is provided an adhesive film having (?) a layer of polyvinyl chloride resin film and (?) an adhesive layer in the stated order from the surface-layer side, where the (?) adhesive layer has a tackiness of 12-25 N at a surface temperature of 5° C. and has a tackiness of 12-23 N at a surface temperature of 35° C.
    Type: Application
    Filed: August 28, 2017
    Publication date: September 12, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Hitomi INOMATA, Takio WAKUGAWA
  • Patent number: 10407590
    Abstract: Embodiments of the invention relate to an actinic-ray-curable resin composition which includes 100 parts by mass of a polyfunctional (meth)acrylate; 0.2-4 parts by mass of a compound having an alkoxysilyl group and a (meth)acryloyl group; 0.05-3 parts by mass of an organic titanium; and 5-100 parts by mass of fine particles having an average particle diameter of 1-300 nm. Embodiments of the invention also relate to a layered transparent resin product which includes a hardcoat layer and a layer of a transparent resin sheet in this order from the outermost layer side, wherein the hardcoat has been formed from a coating material including 100 parts by mass of a polyfunctional (meth)acrylate; 0.2-4 parts by mass of a compound having an alkoxysilyl group and a (meth)acryloyl group; 0.05-3 parts by mass of an organic titanium; and 5-100 parts by mass of fine particles having an average particle diameter of 1-300 nm.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: September 10, 2019
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Yasuhiro Itagaki, Shigekazu Ito
  • Publication number: 20190264060
    Abstract: Embodiments provide a coating material including (A) 100 parts by mass of an active-energy-ray-curable resin, (B) 5 to 200 parts by mass of aluminum oxide particles having an average particle diameter of 1 to 100 ?m, (C) 0.1 to 20 parts by mass of aluminum oxide microparticles having an average particle diameter of 1 to 100 nm, and (D) 0.1 to 40 parts by mass of a compound having at least two isocyanate groups per molecule, where the active-energy-ray-curable resin (A) includes (a1) 70 to 99% by mass of a polyfunctional (meth)acrylate and (a2) 30 to 1% by mass of an acrylamide compound having at least one hydroxyl group per molecule, and the sum total of the amount of the polyfunctional (meth)acrylate (a1) and the amount of the acrylamide compound (a2) having at least one hydroxyl group per molecule is 100% by mass.
    Type: Application
    Filed: October 17, 2017
    Publication date: August 29, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Shigekazu ITO, Koji INAGAKI
  • Publication number: 20190241731
    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: Application
    Filed: August 25, 2017
    Publication date: August 8, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Ryota NAKANISHI
  • Patent number: 10369770
    Abstract: PURPOSE: The present invention provides a molded article which comprises a substrate whose surface is covered with a film, has good appearance, and does not deteriorate in the appearance even in severe environment where the article is actually used, such as high-temperature environment. CONSTITUTION: A molded article comprising a substrate whose surface is partially or wholly covered with a film, wherein the film has an adhesive layer, the adhesive layer is in contact with the substrate and the surface of the substrate, which surface is in contact with the adhesive layer, has a surface roughness (A) of 3 to 20 ?m.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: August 6, 2019
    Assignee: RIKEN TECHNOS CORPORATION
    Inventor: Yasuhiro Suzuki
  • Publication number: 20190225790
    Abstract: There is provided a thermoplastic resin composition suitable for coating an electric wire with high abrasion resistance, excellent cold resistance and flexibility at a low temperature, and wherein the electric wire is mounted on automobiles, particularly, which has a small diameter and a thin coating thickness.
    Type: Application
    Filed: June 27, 2017
    Publication date: July 25, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Nanami HORIUCHI
  • Publication number: 20190224951
    Abstract: A resin composition is provided for an adhesive layer of a laminate, the resin composition, containing: (A) 55 to 85 mass % of an acid modified polypropylene-based resin; and (B) 45 to 15 mass % of a copolymer of ethylene and one or more comonomers selected from the group consisting of vinyl acetate, an alkyl methacrylate, and an alkyl acrylate; in which the total of the component (A) and the component (B) is 100 mass %; and in which an acid modified amount of the component (A) is 0.5 to 10 mol %.
    Type: Application
    Filed: July 31, 2017
    Publication date: July 25, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Yoshihiro ZENNYOJI, Sayuri INOMATA
  • Publication number: 20190112507
    Abstract: One embodiment is a cosmetic sheet having a transparent adhesive layer (A), a transparent resin film layer (B), a printed layer (C), and a resin film layer (D) in this order from the side adhered to a transparent substrate, where: the transparent resin film layer (B) as a whole has an embossed profile; the printed layer (C) contains a high-brightness pigment; the printed layer (C) as a whole has an embossed profile; and the resin film layer (D) has an embossed profile on the side facing the printed layer (C). Another embodiment is a cosmetic sheet which has a transparent resin layer (E) between the layers of (A) and (B), where this transparent resin layer (E) has an embossed profile on the side facing the transparent resin film layer (B). The adhesive layer (A) may contain prescribed amounts of an acrylic polymer (P) having a glass transition temperature between ?50° C. and ?25° C.
    Type: Application
    Filed: March 3, 2016
    Publication date: April 18, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Koji INAGAKI
  • Publication number: 20190016863
    Abstract: Embodiments provide a hard coat laminate film that has, in order from a surface layer side, layers of a first hard coat and a transparent resin film. According to at least one embodiment, the first hard coat contains (A) 100 parts by mass of a multifunctional (meth)acrylate including 20 mass % or more of tripentaerythritol acrylate, and (B) 0.01-7 parts by mass of a (meth)acryloyl group-containing fluoropolyetherbased water repellent, and is formed from a paint not containing inorganic particles. The thickness of the hard coat laminated film is 5-60 ?m. Component (A) may be a mixture of: tripentaerythritol acrylate; and at least one selected from the group consisting of dipentaerythritol acrylate, monopentaerythritol acrylate, and polypentaerythritol acrylate.
    Type: Application
    Filed: January 13, 2017
    Publication date: January 17, 2019
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Nozomu WASHIO
  • Patent number: 10173392
    Abstract: The present invention pertains to a process for producing an article from a layered hard coat object including a hard coat layer and a transparent-resin film layer in this order from the outermost layer side, the process comprising: a step (A) in which a pressure-sensitive adhesive layer of a support having the pressure-sensitive adhesive layer on at least one surface thereof is temporarily applied to at least one surface of the layered hard coat object to obtain a temporarily support-bearing layered hard coat object; a step (B) in which at least one processing method selected from the group consisting of router processing, water-jet processing, laser processing, and punching is applied to the temporarily support-bearing layered hard coat object to cut the temporarily support-bearing layered hard coat object into a given shape, thereby obtaining a temporarily support-bearing cut article; and a step (C) in which at least one kind of energy selected from the group consisting of heat and actinic rays is applied
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: January 8, 2019
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Hiroyuki Tomomatsu, Taketo Hashimoto
  • Publication number: 20180372921
    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: Application
    Filed: November 25, 2016
    Publication date: December 27, 2018
    Applicant: Riken Technos Corporation
    Inventors: Nozomu WASHIO, Taketo HASHIMOTO
  • Publication number: 20180370679
    Abstract: Embodiments provide a packing box whereby strength is improved and efficiency of opening, content retrieval, etc. is improved. Embodiments provide a packing box obtained from an upper cover and a lower box configured from cardboard for accommodating articles therein, in which: the upper cover is obtained from a top board that covers the entire interior of the lower box and side boards that extend vertically downward from each side of the top board and substantially covers the side surfaces of the lower box; and at least one notch is provided on one of the lower edges of the upper cover.
    Type: Application
    Filed: August 29, 2018
    Publication date: December 27, 2018
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Motohiro SHIMIZU
  • Patent number: 10112369
    Abstract: Embodiments of the invention provide a transparent poly(meth)acrylimide-based resin multilayer film exhibiting excellent surface smoothness, transparency, outer appearance, and resistance to puchability. According to at least one embodiment, there is provided a method for producing said transparent multilayer film, in which the transparent multilayer film in which a first poly(meth)acrylimide-based resin layer (?1), an aromatic polycarbonate-based resin layer (?), and a second poly(meth)acrylimide-based resin layer (?2) are directly laminated in said order, and in that the total light transmittance exceeds 90% and the haze is 2.0% or lower. The transparent multilayer film is produced by continuously coextruding, from a T die, a molten film of the transparent multilayer film in which the aforementioned layers were directly laminated in the aforementioned order, and by supplying and then pressing the molten film between a first mirror body that has a surface temperature between 100 and 200° C.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: October 30, 2018
    Assignee: RIKEN TECHNOS CORPORATION
    Inventors: Kohei Nakashima, Shintaro Negimoto
  • Patent number: 10093447
    Abstract: Embodiments of the invention provide a packing box wherein strength is improved and efficiency of opening, content retrieval, etc. is improved. Embodiments of the invention provide a packing box obtained from an upper cover and a lower box configured from cardboard for accommodating articles therein, in which: the upper cover is obtained from a top board that covers the entire interior of the lower box and side boards that extend vertically downward from each side of the top board and substantially cover the side surfaces of the lower box; and at least one notch is provided on one of the lower edges of the upper cover.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 9, 2018
    Assignee: RIKEN TECHNOS CORPORATION
    Inventor: Motohiro Shimizu
  • Publication number: 20180257347
    Abstract: Embodiments provide a door body which opens and closes a front part of an article body, and which has a front panel that constitutes the front of the door body, a frame that supports at least a part of the outside edge of the front panel, and a back panel that constitutes the back of the door body. According to at least one embodiment, the front panel includes a hard coat laminated sheet; the hard coat laminated sheet has a first hard coat, a second hard coat, and a transparent resin sheet layer in that order from the surface on the front side. The first hard coat is formed from a coating material which contains (A) 100 parts by mass of a polyfunctional(meth)acrylate, (B) 0.01-7 parts by mass of a water repellant and (C) 0.
    Type: Application
    Filed: November 24, 2016
    Publication date: September 13, 2018
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Nozomu WASHIO, Taketo HASHIMOTO, Shoko NAKAJIMA, Hitomi INOMATA
  • Publication number: 20180154620
    Abstract: Provided is adhesive resin compositions comprising (A) 30 to 70% by mass of an acid-modified polypropylene-based resin; (B) 20 to 60% by mass of a polypropylene-based resin; and (C) 2 to 20% by mass of a copolymer of ethylene and one or more kinds of comonomers selected from the group consisting of vinyl acetate, alkyl methacrylate, and alkyl acrylate, with the proviso that the sum of the percentages of the above component (A), the above component (B), and the above component (C) is 100% by mass.
    Type: Application
    Filed: May 2, 2016
    Publication date: June 7, 2018
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Yoshihiro ZENNYOJI
  • Publication number: 20180117889
    Abstract: Provided is a thermoplastic resin composition or an adhesive coating material capable of adhering a cyclic polyolefin-based polymer with a metal or metal compound such as aluminum foil or an ethylene-vinyl alcohol copolymer with sufficient strength. The thermoplastic resin composition contains (A) 100 parts by mass of thermoplastic resin; (B) 0.05 to 5 parts by mass of one or more kinds selected from the group consisting of an unsaturated carboxylic acid and an unsaturated carboxylic acid derivative; and (C) 0.01 to 3 parts by mass of organic peroxide; which component (A) contains (a1) 10 to 90% by mass cyclic polyolefin-based polymer; and (a2) 90 to 10% by mass a hydrogenated product of a block copolymer comprising a polymer block composed mainly of an aromatic vinyl compound and a random copolymer block of a conjugated diene compound and an aromatic vinyl compound (with the proviso that the total of the component (a1) and the component (a2) is 100% by mass).
    Type: Application
    Filed: February 29, 2016
    Publication date: May 3, 2018
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Ryota NAKANISHI, Kosuke SUGIYA
  • Publication number: 20180111303
    Abstract: One embodiment provides a molded body that includes a resin substrate and in which: a part or all of the surface of the substrate is coated with a hard coat; a first hard coat is formed from a coating material that does not contain inorganic particles and that contains (A) 100 parts by mass of a polyfunctional (meth)acrylate, (B) 0.01-7 parts by mass of a water-repelling agent, and (C) 0.01-10 parts by mass of a silane coupling agent; and a second hard coat is formed from a coating material containing (A) 100 parts by mass of the polyfunctional (meth)acrylate and (D) 50-300 parts by mass of fine inorganic particles having an average particle size of 1-300 nm.
    Type: Application
    Filed: February 4, 2016
    Publication date: April 26, 2018
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Nozomu WASHIO, Taketo HASHIMOTO, Jun FUJIMOTO
  • Publication number: 20180079194
    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: Application
    Filed: February 16, 2016
    Publication date: March 22, 2018
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Masataka MORI, Nozomu WASHIO, Taketo HASHIMOTO
  • Patent number: D813667
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: March 27, 2018
    Assignee: Riken Technos Corporation
    Inventor: Motohiro Shimizu