Patents Assigned to Riken Technos Corporation
  • Publication number: 20160225484
    Abstract: Embodiments of the invention provide an electrically conductive resin composition which enables the formation of a film that has high electrical conductivity and excellent tensile elongation, bending resistance and flexibility, and is suitable for an electrode member for a storage battery. At least one embodiment provides a resin composition including (A) 100 parts by mass of a thermoplastic resin, (B) 1 to 60 parts by mass of carbon nanotabes, and (C) 1 to 60 parts by mass of acethylene black, wherein the thermoplastic resin (A) includes (A1) 30 to 80% by mass of a chlorinated polyethylene having a chlorine content of 20 to 45% by mass and (A2) 70 to 20% by mass of a polyethylene that is different from the component (A1). According to another embodiment, the thermoplastic resin (A) is (A3) a polyethylene that satisfies the following properties (p) and (q): (p) the peak top melting point on the highest temperature side in a DSC melting curve is 120° C.
    Type: Application
    Filed: August 12, 2014
    Publication date: August 4, 2016
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Tomohiro TAKAHASHI, Hidemasa SUGIMOTO
  • Publication number: 20160194500
    Abstract: Embodiments of invention provide a method for producing a hard coat film which has a hard coat that is formed from an active energy ray-curable resin composition on at least one surface of a film base. According to at least one embodiment, the active energy ray-curable resin composition used in this method contains (P) 100 parts by mass of a urethane (meth)acrylate compound, (Q) 0.02-5 parts by mass of organic fine particles having an average particle diameter of 10-300 nm, and (R) 0.0002-2 parts by mass of an acrylic silicone-based leveling agent. The method according to at least one embodiment includes the steps of (1) forming a wet coating film by applying the active energy ray-curable resin composition to the film base, (2) forming a dry coating film by drying the wet coating film, and (3) forming a hard coat film by curing the dry coating film by means of active energy ray irradiation at a temperature of 50-90° C.
    Type: Application
    Filed: June 17, 2014
    Publication date: July 7, 2016
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Ryoichi TANABE, Nozomu WASHIO
  • Publication number: 20160159995
    Abstract: Embodiments of the invention relate to a poly(meth)acrylimide film and a method for manufacturing such a film. At least one embodiment provides a poly(meth)acrylimide film that has (i) a total light transmittance of over 90% and (ii) haze of 2.0% or less. This film preferably has retardation of less than 50 nm. The method for manufacturing this film includes the following steps: (A) using a device provided with an extruder and a T die, a poly(meth)acrylimide molten film is continuously extruded from the T die; and (B) the poly(meth)acrylimide molten film is loaded by being fed between a rotating or circulating first mirrored-surface body and a rotating or circulating second mirrored-surface body, and then the film is pressed. During these steps, (C) the surface temperature of the first mirrored-surface body is in the range 100-200° C., and (D) the surface temperature of the second mirrored-surface body is in the range 20-200° C.
    Type: Application
    Filed: June 11, 2014
    Publication date: June 9, 2016
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Kohei NAKASHIMA, Kazutaka YAMADA, Hidemasa SUGIMOTO, Yoshihiro ZENNYOJI
  • Publication number: 20160152780
    Abstract: Embodiments of the invention relate to a method for manufacturing a heat-shielding film in which a heat-shielding material has been well dispersed in a polyvinyl chloride resin. According to at least one embodiment, the method for manufacturing the heat-shielding film includes the steps of (1) mixing a polyvinyl chloride resin composition (P) containing the polyvinyl chloride resin (A) using a blender, and (2) adding and further mixing the heat-shielding material with the mixture obtained in step (1). According to at least one embodiment, the heat-shielding material contains at least antimony-doped tin oxide micro-particles (B) in an amount in which the mass ratio of the polyvinyl chloride resin (A) to antimony-doped oxidized tin micro-particles (B) is 100 parts by mass to 1.5 to 15 parts by mass. According to at least one embodiment, the heat-shielding material is composed of antimony-doped oxidized tin micro-particles (B) alone.
    Type: Application
    Filed: June 26, 2014
    Publication date: June 2, 2016
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Tomohiro TAKAHASHI, Hidemasa SUGIMOTO, Motoi HIUGANO
  • Patent number: 9133289
    Abstract: The present invention provides a paint film which is superior in scratch resistance, weather resistance, stain resistance, chemical resistance, bending durability and impact resistance and is useful as a scratch resistant film or a decorative film. The film is obtained by cross-linking a vinyl compound copolymer with polyisocyanate, wherein the vinyl compound copolymer comprises the following monomer units: (A) a mole % of a vinyl compound which has no siloxane structure, nor hydroxyl group; (B) b mole % of a vinyl compound which has a polydimethylsiloxane structure and no hydroxyl group; (C) c mole % of a vinyl compound which has a linear or branched alkyl group having a hydroxyl group, the alkyl group having 1 to 6 carbon atoms; and (D) d mole % of a vinyl compound represented by the formula: CH2?C(R)—COO—Y wherein R is H or CH3, and Y is a saturated hydrocarbon group with a hydroxyl group at an end and, optionally, one or more lactone, carbonate, ester, ether, or urethane groups.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: September 15, 2015
    Assignee: RIKEN TECHNOS CORPORATION
    Inventor: Yasuhiro Suzuki
  • Publication number: 20140227518
    Abstract: There are provided a process for producing an electrical wire molded body comprising: step I of melting and kneading a polyethylene-based resin (a), a polypropylene-based resin (b), a block copolymer (c) of an aromatic vinyl-based compound and a conjugated diene-based compound and the like, and a silane coupling agent (g), and other components, to produce a silane crosslinkable flame retardant polyolefin (A); step II of melting and kneading a polymer selected from the components (a) to (c) and a silanol condensation catalyst (i), to produce a silanol catalyst rein composition (B); and step III of mixing the components (A) and (B), melt molding the mixture on a conductor and then crosslinking the molded body in the presence of water.
    Type: Application
    Filed: May 1, 2012
    Publication date: August 14, 2014
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Shinichi Kishimoto, Shinichi Saito, Hideo Ohsawa
  • Publication number: 20140205778
    Abstract: PURPOSE: The present invention provides a polyvinyl chloride resin composition which is superior in heat stability and processability and has less elution from the composition. CONSTITUTION: A polyvinyl chloride resin composition comprising 100 parts by weight of a polyvinyl chloride resin, 10 to 120 parts by weight of di(2-ethylhexyl)teraphthalate, and 0.5 to 20 parts by weight of epoxidized vegetable oil having a peroxide number of 5 or less.
    Type: Application
    Filed: August 24, 2012
    Publication date: July 24, 2014
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Koji Sakai
  • Publication number: 20140147630
    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: Application
    Filed: July 12, 2011
    Publication date: May 29, 2014
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Yasuhiro Suzuki
  • Publication number: 20140057117
    Abstract: The present invention provides a paint film which is superior in scratch resistance, weather resistance, stain resistance, chemical resistance, bending durability and impact resistance and is useful as a scratch resistant film or a decorative film. The film is obtained by cross-linking a vinyl compound copolymer with polyisocyanate, wherein the vinyl compound copolymer comprises the following monomer units: (A) a mole % of a vinyl compound which has no siloxane structure, nor hydroxyl group; (B) b mole % of a vinyl compound which has a polydimethylsiloxane structure and no hydroxyl group; (C) c mole % of a vinyl compound which has a linear or branched alkyl group having a hydroxyl group, the alkyl group having 1 to 6 carbon atoms; and (D) d mole % of a vinyl compound represented by the formula: CH2?C(R)—COO—Y wherein R is H or CH3, and Y is a saturated hydrocarbon group with a hydroxyl group at an end and, optionally, one or more lactone, carbonate, ester, ether, or urethane groups.
    Type: Application
    Filed: March 7, 2012
    Publication date: February 27, 2014
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Yasuhiro Suzuki
  • Patent number: 8652618
    Abstract: Purpose: The present invention provides a multi-layer film comprising a polyolefin film, an aluminum foil and a polyamide layer which are laminated sequentially, wherein the aluminum foil is adhered directly to the polyolefin film without any anchor coat agent or adhesive and the multi-layer film is excellent in adhesion strength between the polyolefin film and the aluminum foil and in low-temperature resistance.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: February 18, 2014
    Assignee: Riken Technos Corporation
    Inventor: Yasushi Seta
  • Patent number: 8501044
    Abstract: An antistatic composition containing various types of polymers such as a polyamide, an aliphatic polyester, an elastomer thereof and a polyurethane elastomer, and a metal salt in specific amounts, and preferably, an antistatic composition in which an additive component such as an organic compound which has an —{O(AO)n}— group (A represents an alkylene group having 2 to 4 carbon atoms, and n represents an integer of 1 to 7) and all molecular chain terminals of which are CH3 and/or CH2 groups is compounded as needed.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: August 6, 2013
    Assignees: Sanko Chemical Industry Co., Ltd., Riken Technos Corporation
    Inventors: Noriaki Fujihana, Yoshiharu Tatsukami, Masaki Enomoto, Ikuo Ohkoshi
  • Patent number: 8268929
    Abstract: A resin composition comprises (a) 100 parts by weight of at least one compound selected from the group consisting of phenol resins and brominated phenol resins, (b) 20 to 500 parts by weight of a crystalline olefin resin, provides that copolymers of ethylene with unsaturated carboxylic acid ester or vinyl acetate are precluded, and (c) 0 to 300 parts by weight of a non-aromatic softening agent for rubber. The resin composition is easy to handle in dynamic cross-linking of rubber or a thermoplastic elastomer to give uniform cross-linking. A cross-linked rubber composition or thermoplastic elastomer composition has improved compression set and moldability.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: September 18, 2012
    Assignee: Riken Technos Corporation
    Inventor: Naoyuki Ono
  • Patent number: 8071680
    Abstract: A method for producing an elastomeric sealing article including preparing a thermoplastic elastomeric resin composition having (a) 100 parts by weight of a hydrogenated block copolymer including at least two polymeric blocks (A) of styrene, and at least one polymeric block (B) of isoprene; (b) 70 to 130 parts by weight of an ethylene-octene copolymer including ethylene in an amount of more than 50% by weight; and (c) 30 to 60 parts by weight of polypropylene. The thermoplastic elastomeric resin composition does not contain a non-aromatic softening agent, and none of components (a), (b), and (c) is cross-linked. The method also includes molding the thermoplastic elastomeric resin composition into an elastomeric sealing article.
    Type: Grant
    Filed: May 26, 2004
    Date of Patent: December 6, 2011
    Assignee: Riken Technos Corporation
    Inventors: Michihisa Tasaka, Akihiro Tamura
  • Patent number: 7897226
    Abstract: The present invention provides an adhesive sheet comprising a resin film and an adhesive layer adhering to one side of said resin film, wherein the adhesive sheet does not cause significant shrinkage when it is stored together with a release liner thereon for a prolonged time. The adhesive sheet of the present invention is an adhesive sheet comprising a resin film and an adhesive layer adhering to one side of said resin film, characterized in that said adhesive layer has one or more grooves on a side opposite to a side on which said adhesive layer adheres to said resin film, and said groove or grooves exist only in an inner area of said opposite side of said adhesive layer and are not open at side surfaces of said adhesive layer. The present invention also provides a release liner for an adhesive sheet having embosses on its surface and being good in smoothness.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: March 1, 2011
    Assignee: Riken Technos Corporation
    Inventor: Yasuhiro Suzuki
  • Patent number: 7811653
    Abstract: An extrusion molded article for automobiles, having a body portion (1) and a hollow sealing portion (11), where the body portion (1) comprises a core (2) made of a resin having a U-shaped cross-section extending in a longitudinal direction and a covering layer (3) surrounding and covering the core partly or entirely, and the hollow sealing portion (11) is bonded integrally with an outer surface (4) of the body portion, characterized in that the covering layer (3) is made of a thermoplastic elastomer composition having a tensile elongation at break of at least 350%, as determined according to JIS K6251, and a change in 100% modulus of at most 40%, wherein the change in 100% modulus=[(100% modulus at 23° C.-100% modulus at 80° C.)/100% modulus at 23° C.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: October 12, 2010
    Assignee: Riken Technos Corporation
    Inventors: Naohisa Miyakawa, Hiromasa Sanada, Naoyuki Ono, Tomozo Ogawa
  • Publication number: 20100087584
    Abstract: Described herein is a composition preparation process of forming an unkneaded mixture of (a) 100 parts by weight of an ethylene-?-olefin-unconjugated polyene copolymer rubber synthesized with a metallocene catalyst, (b) 20 to 350 parts by weight of a crystalline olefin resin, (c) 2 to 25 parts by weight of an alkylphenol-formaldehyde resin, and (d) 5 to 120 parts by weight of at least one polymer selected from the group consisting of a copolymer of a vinyl aromatic compound with a conjugated diene compound, a hydrogenated copolymer obtained by hydrogenating a copolymer of a vinyl aromatic compound with a conjugated diene compound, and a hydrogenated polymer obtained by hydrogenating a polymer of a conjugated diene compound, and kneading the formed unkneaded mixture to form a thermoplastic elastomer composition. This process produces a composition that is excellent in compression set and oil resistance at high temperatures and in flexibility and moldability.
    Type: Application
    Filed: December 7, 2009
    Publication date: April 8, 2010
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Naoyuki ONO
  • Publication number: 20100047597
    Abstract: Purpose: The present invention provides a multi-layer film comprising a polyolefin film, an aluminum foil and a polyamide layer which are laminated sequentially, wherein the aluminum foil is adhered directly to the polyolefin film without any anchor coat agent or adhesive and the multi-layer film is excellent in adhesion strength between the polyolefin film and the aluminum foil and in low-temperature resistance.
    Type: Application
    Filed: August 14, 2009
    Publication date: February 25, 2010
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Yasushi Seta
  • Patent number: 7528197
    Abstract: This invention provides a softening agent composition obtained by blending and heat treating (a) 100 parts by weight of at least one non-aromatic hydrocarbon softening agent for rubber; (b) 0.1 to 10 parts by weight of an organic peroxide; and (c) 0.1 to 50 parts by weight of a crosslinking aid, with the proviso that the weight ratio of component (b) to component (c) is 1 or less. The softening agent composition is useful and very easy to handle in the production of a thermoplastic resin composition.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: May 5, 2009
    Assignee: Riken Technos Corporation
    Inventors: Naganori Masubuchi, Michihisa Tasaka
  • Publication number: 20080206636
    Abstract: [Purpose] To provide a lithium secondary battery with excellent productivity, wherein deterioration of the housing material due to penetration of moisture into the inside of the battery and hydrogen fluoride generating inside the battery are prevented.
    Type: Application
    Filed: February 19, 2008
    Publication date: August 28, 2008
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Satoshi Sanada, Yutaka Sekine
  • Publication number: 20080085976
    Abstract: This invention provides a softening agent composition obtained by blending and heat treating (a) 100 parts by weight of at least one non-aromatic hydrocarbon softening agent for rubber; (b) 0.1 to 10 parts by weight of an organic peroxide; and (c) 0.1 to 50 parts by weight of a crosslinking aid, with the proviso that the weight ratio of component (b) to component (c) is 1 or less. The softening agent composition is useful and very easy to handle in the production of a thermoplastic resin composition.
    Type: Application
    Filed: November 19, 2007
    Publication date: April 10, 2008
    Applicant: RIKEN TECHNOS CORPORATION
    Inventors: Naganori Masubuchi, Michihisa Tasaka