Patents Assigned to Teijin Limited
  • Publication number: 20200231765
    Abstract: The purpose of the present invention is to provide a laminate excellent in terms of rigidity and low specific gravity and a fiber-reinforced composite obtained from the laminate. The present invention relates to a laminate which comprises a fibrous sheet for reinforcement and a thermoplastic resin sheet, characterized in that (i) the thermoplastic resin sheet is a polypropylene resin composition comprising (A) 70-95 parts by weight of a polypropylene resin (A ingredient) and (B) 30-5 parts by weight of a polycarbonate resin (B ingredient) and (ii) the fibrous sheet for reinforcement is constituted of reinforcing fibers, the content of which is 20-150 parts by weight per 100 parts by weight of resin ingredients comprising the A ingredient and B ingredient.
    Type: Application
    Filed: February 20, 2018
    Publication date: July 23, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Atsushi SUMITA, Toshiyuki MIYAKE
  • Patent number: 10714723
    Abstract: Provided is a separator for a non-aqueous secondary battery, including: a porous substrate having an average pore diameter of from 20 nm to 100 nm; and a porous layer provided on one or both sides of the porous substrate and including a polyvinylidene fluoride resin and a filler, the porous layer including a filler in an amount of from 45% by volume to 75% by volume with respect to a total solid content of the porous layer, a weight average molecular weight of the polyvinylidene fluoride resin being 1,000,000 or more, and a peel strength between the porous substrate and the porous layer being 0.20 N/12 mm or more.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: July 14, 2020
    Assignee: TEIJIN LIMITED
    Inventors: Rika Kuratani, Satoshi Nishikawa
  • Publication number: 20200217842
    Abstract: Provided is a substrate for a chromatography medium that is included in an immunochromatographic strip, in which the substrate is formed of a hydrophilic polyolefin microporous membrane; the substrate has a contact angle one second after dropwise addition of water of from 0 degrees to 60 degrees on at least one surface of the substrate; and the substrate has a capillary flow time of from 5 seconds/4 cm to 300 seconds/4 cm.
    Type: Application
    Filed: August 28, 2018
    Publication date: July 9, 2020
    Applicant: Teijin Limited
    Inventor: Mami NAMBU
  • Patent number: 10695993
    Abstract: Methods of repairing defects in polymeric composite structures are provided. The methods include filling or bonding defects with a pre-polymerization solution and polymerizing the pre-polymerization solution in situ. Patches or support structures can be disposed at the site of the defect to increase the strength of the repair or to make the repair cosmetically pleasing, respectively. Such a method of repairing a defect may include applying a pre-polymer solution having a reinforcing material and a monomer to the defect in a polymeric composite structure; disposing a support structure on a surface of the polymeric composite structure over at least a portion of the defect having the applied pre-polymer solution; and polymerizing the monomer in the pre-polymer solution to form a repaired region in the polymeric composite structure including a polymer having the reinforcing material distributed therein.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: June 30, 2020
    Assignees: GM GLOBAL TECHNOLOGY OPERATIONS LLC, TEIJIN LIMITED
    Inventors: Xiaosong Huang, Tomohiro Ryutani, Takashi Goto
  • Patent number: 10682669
    Abstract: The present invention provides a method for manufacturing a laminate that exhibits visible light transparency and ultraviolet light shielding properties while maintaining an extremely high degree of scratch resistance, and that has all the necessary weather resistance and durability properties for withstanding long-term outdoor exposure. This method for manufacturing a laminate having the abovementioned properties includes: (1) using active energy rays to cure, on an organic resin substrate, an acrylic silicone resin composition having an inorganic component percentage X of 0.2 to 0.8 to form an intermediate layer, (2) dry-etching the surface of the intermediate layer obtained at step (1) using a non-oxidizing gas plasma of a plasma irradiation amount Y correlated with the inorganic component percentage X; and (3) plasma-polymerizing an organosilicon compound to form a hard coat layer on the surface of the intermediate layer obtained at step (2).
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: June 16, 2020
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., TEIJIN LIMITED
    Inventors: Kohei Masuda, Masaki Tanaka, Takashi Yoda, Tatsuya Ekinaka
  • Publication number: 20200140682
    Abstract: The present invention provides a reinforced polycarbonate resin composition having all of excellent strength, impact resistance, heat resistance, flame retardancy and thermal stability. A reinforced polycarbonate resin composition which contains 100 parts by weight of a resin composition composed of (A) 50 to 95 parts by weight of a polycarbonate resin (component A) and (B) 5 to 50 parts by weight of a fibrous filler (component B) and (C) 2 to 45 parts by weight of a fluororesin (component C-I) or 2 to 45 parts by weight of a fluororesin (component C-II), wherein (I) the fluororesin (component C-I) is a copolymer containing polymerization units respectively represented by general formulae [1] and [2] and has a melting point of 200 to 280° C., and (II) the fluororesin (component C-II) is a copolymer containing polymerization units respectively represented by general formulae [1] and [2], has a melting point of 240 to 300° C., and has a 5% weight loss temperature of 470° C.
    Type: Application
    Filed: June 25, 2018
    Publication date: May 7, 2020
    Applicants: TEIJIN LIMITED, Daikin Industries, Ltd.
    Inventors: Shunsuke OKUZAWA, Toshiyuki MIYAKE, Koji NAKANISHI, Masaji KOMORI, Hideki KONO
  • Publication number: 20200139793
    Abstract: Provided is a resin substrate for the pillarless windshield which is large yet light-weight and provides excellent visibility, and has further realized a high strength to withstand a load calculated based on air resistance under the driving speed of 150 km/h. The resin substrate for the pillarless windshield has the longest side (SA) fixed to car body (3), wherein the resin substrate is an uneven-thickness structure having viewing section (1) with a mean thickness (d1) of 3-7 mm and thick-walled section (2) with a thickness of 1.
    Type: Application
    Filed: June 5, 2018
    Publication date: May 7, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Miwa NAKAMURA, Kozo NAITO, Yuka SAITO, Takashi YODA, Hiroshi KISHIMOTO
  • Patent number: 10633536
    Abstract: A resin composition which comprises 100 parts by weight of a resin having a carboxyl group in at least part of the end of the molecular chain, 5 to 80 parts by weight of an ethylene-?-olefin copolymer, 1 to 30 parts by weight of an epoxy group-containing silicon elastomer and 0.01 to 3 parts by weight of at least one antioxidant selected from the group consisting of hindered phenol compound, phosphite compound, phosphonite compound and thioether compound and has low-temperature impact resistance and suppresses delamination.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: April 28, 2020
    Assignee: TEIJIN LIMITED
    Inventors: Yuji Nakatani, Yuichi Matsuno
  • Publication number: 20200123377
    Abstract: A resin composition containing a polycarbonate resin and a fluorine-containing copolymer. The fluorine-containing copolymer is a copolymer containing a polymerized unit based on tetrafluoroethylene in an amount of 75% by mass or more of all polymerized units and at least one selected from a polymerized unit based on hexafluoropropylene and a polymerized unit based on a perfluoro(alkyl vinyl ether) in an amount of 2% by mass or more. Aso disclosed is a molded article formed from the resin composition, the polycarbonate resin constituting a continuous phase and the fluorine-containing copolymer constituting a dispersed phase having an average particle size of 0.01 to 2.5 ?m.
    Type: Application
    Filed: June 25, 2018
    Publication date: April 23, 2020
    Applicants: DAIKIN INDUSTRIES, LTD, TEIJIN LIMITED
    Inventors: Koji NAKANISHI, Masaji KOMORI, Hideki KONO, Shunsuke OKUZAWA, Toshiyuki MIYAKE
  • Patent number: 10622611
    Abstract: Provided is a separator for a nonaqueous electrolyte battery, including a porous substrate and an adhesive porous layer that is provided on one side or both sides of the porous substrate and contains an adhesive resin. The ratio of the standard deviation of the areal weight of the adhesive porous layer to the mean of the areal weight of the adhesive porous layer (g/m2) (standard deviation/mean) is 0.3 or less.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: April 14, 2020
    Assignee: TEIJIN LIMITED
    Inventors: Satoshi Nishikawa, Takashi Yoshitomi
  • Publication number: 20200101675
    Abstract: [PROBLEM TO BE SOLVED] To provide a composite of thermally-modified polymer layer and inorganic substrate, a composite of polymer member and inorganic substrate, and production methods thereof. [MEANS TO SOLVE THE PROBLEM] The method of the present invention for producing a composite of thermally-modified polymer layer and inorganic substrate 110 or 120 includes forming a first polymer layer on an inorganic substrate 10, and heating and thermally modifying the first polymer layer in order to bond the first thermally-modified polymer layer 20 onto the inorganic substrate.
    Type: Application
    Filed: September 23, 2019
    Publication date: April 2, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Junshi SOEDA, Yoshinori IKEDA
  • Publication number: 20200103557
    Abstract: An optical element for terahertz waves includes: an optical component including a silicon surface, an antireflection film including an organic resin including a cycloolefin-based polymer as a main component, and inorganic particles dispersed in the organic resin; and an adhesive layer located between the optical component and the antireflection film in a thickness direction of the antireflection film and bonding the silicon surface of the optical component and the antireflection film to each other. The adhesive layer includes a thermally denatured olefin-based polymer.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 2, 2020
    Applicants: HAMAMATSU PHOTONICS K.K., Teijin Limited
    Inventors: Yoichi KAWADA, Hironori TAKAHASHI, Yoshinori IKEDA, Junshi SOEDA
  • Publication number: 20200099055
    Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Kazuki YACHI, Shinya KOMURA, Asami KANEMATSU, Takahiro DAIDO
  • Patent number: 10589477
    Abstract: Methods of repairing a defect in a polymeric composite structure are provided. The methods include disposing a patch over a defect in a polymeric composite structure; disposing a textured sheet over the polymeric patch, applying pressure to the polymeric patch and the textured sheet; and heating the polymeric patch. The textured sheet has a surface texture that is a negative of a surface texture of the polymeric composite structure.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: March 17, 2020
    Assignees: GM GLOBAL TECHNOLOGY OPERATIONS LLC, TEIJIN LIMITED
    Inventors: Xiaosong Huang, Selina X. Zhao, Elisabeth J. Berger, William R. Rodgers, Tomohiro Ryutani, Glen Novak
  • Patent number: 10577725
    Abstract: Provided is a fiber containing a composition obtained by mixing a compound having at least a ring structure containing one carbodiimide group, the first nitrogen and second nitrogen thereof being linked together through a linking group, with a polymer compound having an acidic group. Also provided is a fiber structure made thereof. A fiber and a fiber structure, which have improved hydrolysis resistance and from which no free isocyanate compounds are produced, can be provided.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: March 3, 2020
    Assignee: TEIJIN LIMITED
    Inventors: Hideshi Kurihara, Kiyotsuna Toyohara, Shinichiro Shoji, Tomoyoshi Yamamoto, Akimichi Oda
  • Publication number: 20200063299
    Abstract: The invention addresses the problem of providing a cloth that is excellent not only in flame retardancy and antistatic properties but also in appearance quality and preferably also has protection performance against electric arcs, a method for producing the same, and a textile product. A means for resolution is a cloth including a meta-type wholly aromatic polyamide fiber and an electrically conductive fiber, wherein both the meta-type wholly aromatic polyamide fiber and the electrically conductive fiber are colored.
    Type: Application
    Filed: October 25, 2017
    Publication date: February 27, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Kengo TANAKA, Hiroki SHIMADA, Kenji IWASHITA, Kenji YOSHIHARA
  • Patent number: 10561131
    Abstract: A device for a fishing reel comprising a resin composition includes a polyarylene sulfide resin composition (component A), a glass fibers (component B) contains 10 to 300 parts by weight of the component B based on 100 parts by weight of the component A, an aramid fibers (component C) contains 1 to 100 parts by weight of the component C based on 100 parts by weight of the component A, and a fluoric resin (component D) contains 5 to 100 parts by weight of the component D based on 100 parts by weight of the component A.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: February 18, 2020
    Assignees: Shimano Inc., Teijin Limited
    Inventors: Tomomitsu Onizawa, Satoshi Nomura, Kunio Takechi
  • Publication number: 20200046877
    Abstract: A formed sheet product of a polymer composition comprising at least one protein selected from the group consisting of fibrinogen and thrombin and at least one polymer selected from the group consisting of an aliphatic polyester and a water-soluble polymer, and a laminated formed sheet product comprising a first polymer composition layer composed of fibrinogen and a water-soluble polymer and a second polymer composition layer composed of thrombin and an aliphatic polyester are provided. These formed products are applied onto a wound site and function as a hemostatic material.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Applicants: TEIJIN LIMITED, Teijin Pharma Limited, KM BIOLOGICS CO., LTD.
    Inventors: Yukako KAGEYAMA, Kentaro Fujinaga, Ayuko Yamaguchi, Yusuke Aklyama, Akitoshi Oono, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Takayuki Imamura, Ryoichi Kawamura, Masaki Hirashima
  • Patent number: 10550496
    Abstract: A method for producing yarns separated from reinforcing fiber strands including a process of intermittently separating fibers of the reinforcing fiber strands.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: February 4, 2020
    Assignee: Teijin Limited
    Inventors: Makoto Ootsubo, Yukino Oosawa
  • Patent number: 10541417
    Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: January 21, 2020
    Assignee: TEIJIN LIMITED
    Inventors: Kazuki Yachi, Shinya Komura, Asami Kanematsu, Takahiro Daido