Patents Assigned to Mitsubishi Plastics, Inc.
  • Publication number: 20140162080
    Abstract: A method for producing a laminate for configuring an image display device is provided, capable of realizing simultaneously unevenness followability and anti-bubble reliability. A method for producing a laminate for configuring an image display device is proposed, comprising the following steps (1) and (2): (1) The step of forming an adhesive composition into the form of a monolayer or a multilayer sheet, and by UV-crosslinking, primary-curing this thereby forming a pre-secondary curing transparent double-sided adhesive sheet. (2) The step of layering two image display device-constituting members via the pre-secondary curing transparent double-sided adhesive sheet and then irradiating ultraviolet light from at least a first image display device-constituting member side, UV-crosslinking through this member and secondary-curing the pre-secondary curing transparent double-sided adhesive sheet.
    Type: Application
    Filed: February 12, 2014
    Publication date: June 12, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Kahoru NIIMI, Makoto INENAGA, Takahisa UCHIDA
  • Publication number: 20140162081
    Abstract: A method for producing a laminate for configuring an image display device is provided, capable of realizing simultaneously unevenness followability and anti-bubble reliability. A method for producing a laminate for configuring an image display device is proposed, comprising the following steps (1) and (2): (1) The step of forming an adhesive composition into the form of a monolayer or a multilayer sheet, and by UV-crosslinking, primary-curing this thereby forming a pre-secondary curing transparent double-sided adhesive sheet. (2) The step of layering two image display device-constituting members via the pre-secondary curing transparent double-sided adhesive sheet and then irradiating ultraviolet light from at least a first image display device-constituting member side, UV-crosslinking through this member and secondary-curing the pre-secondary curing transparent double-sided adhesive sheet.
    Type: Application
    Filed: February 12, 2014
    Publication date: June 12, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Kahoru NIIMI, Makoto INENAGA, Takahisa UCHIDA
  • Publication number: 20140162035
    Abstract: Provided is a transparent laminated film having excellent transparency and heat dimensional stability at high temperatures, which can be produced using a simple production process. This is to be a transparent laminated film, which is a laminated film of a constitution in which a cured layer of curable resin composition is laminated on both sides of a base film, the storage elastic modulus (E?) by dynamic viscoelasticity measurement in the longitudinal direction of the laminated film at 200° C. temperature is greater than the storage elastic modulus (E?) of the base film in the same conditions, and the total light transmittance of the laminated film is 80% or greater.
    Type: Application
    Filed: August 8, 2012
    Publication date: June 12, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Raian Yamamoto, Shouhei Kinoshita, Nobuhiro Sakata, Yasutaka Shinoura, Jun Takagi
  • Publication number: 20140154517
    Abstract: In the gas-barrier laminate having an inorganic thin layer formed on at least one surface of a substrate having a polyethylene naphthalate layer, provided by the present invention is a gas-barrier laminate having not only high water vapor barrier property and oxygen barrier property abut also excellent adhesion between the substrate and the inorganic thin layer. The said gas-barrier laminate, comprising: a substrate comprising a polyethylene naphthalate layer; a layer formed from a composition comprising an acryl polyol and an isocyanate compound on at least one surface of the substrate; and an inorganic thin layer, arranged in the stated order.
    Type: Application
    Filed: July 27, 2012
    Publication date: June 5, 2014
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Yasushi Sasaoka, Chiharu Okawara, Tooru Hachisuka
  • Publication number: 20140124017
    Abstract: An excellent surface protective material having moisture proofness that is not deteriorated for a prolonged period of time is provided for a highly moisture proof surface protective material for a solar cell, containing a moisture proof film that comprises a substrate having on one surface thereof an inorganic thin film layer and has a water vapor permeability of less than 0.1 g/m2·day. The surface protective material for a solar cell contains: a moisture proof film that comprises a substrate having on one surface thereof an inorganic thin film layer and has a water vapor permeability of less than 0.1 g/m2·day, a weatherproof film on a side of the inorganic thin film layer of the moisture proof film; and a back surface film that has a melting point of 80° C. or more and 180° C. or less on the opposite side of the moisture proof film from the inorganic thin film layer.
    Type: Application
    Filed: January 30, 2012
    Publication date: May 8, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Osamu Akaike, Tetsuya Aya, Shigeharu Takagi, Tatsuya Ochiai, Natsuki Hira
  • Patent number: 8715448
    Abstract: A method for producing a laminate for configuring an image display device is provided, capable of realizing simultaneously unevenness followability and anti-bubble reliability. A method for producing a laminate for configuring an image display device is proposed, comprising the following steps (1) and (2): (1) The step of forming an adhesive composition into the form of a monolayer or a multilayer sheet, and by UV-crosslinking, primary-curing this thereby forming a pre-secondary curing transparent double-sided adhesive sheet. (2) The step of layering two image display device-constituting members via the pre-secondary curing transparent double-sided adhesive sheet and then irradiating ultraviolet light from at least a first image display device-constituting member side, UV-crosslinking through this member and secondary-curing the pre-secondary curing transparent double-sided adhesive sheet.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: May 6, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Kahoru Niimi, Makoto Inenaga, Takahisa Uchida
  • Patent number: 8710539
    Abstract: Provided is a metal foil laminate that: has heat resistance; has high reflectance in the visible light range; has little decrease in reflectance in environments with a high-temperature thermal load; is compatible with large surface areas; and can be used for printed circuit boards for mounting LEDs that have excellent adhesion with metals. The metal foil laminate is characterized in that: a laminate has metal foil on at least one side of a resin layer (A) containing a polyorganosiloxane and an inorganic filler; the 90° peel strength between said resin layer (A) and said metal foil is at least 0.95 kN/m, and the mean reflectance at wavelengths of 400 to 800 nm on the surface that is exposed when the resin layer (A) is exposed by peeling and removing said metal foil is at least 80%; and the decrease in the reflectance at a wavelength of 470 nm after being treated with heat for 10 minutes at 260° C. is not more than 5%.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: April 29, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Jun Matsui, Tomohiko Terai, Syuuji Suzuki
  • Publication number: 20140099530
    Abstract: The present invention is capable of providing a multilayer porous film which has high adhesion between a base layer and a coating layer and excellent heat resistance and exhibits excellent characteristics when used as a separator for a nonaqueous electrolyte secondary battery. A multilayer porous film which is obtained by laminating a coating layer that contains a filler and a resin binder on at least one surface of a polyolefin resin porous film that serves as a base layer. The ratio of the average particle diameter (Du) of the filler within 25% of the thickness of the coating layer from the surface of the multilayer porous film to the average particle diameter (Db) of the filler within 25% of the thickness of the coating layer from the interface with the base layer, namely, Du/Db is 1.2-10; and the average particle diameter (Du) is 0.5 ?m or less.
    Type: Application
    Filed: May 31, 2012
    Publication date: April 10, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Hiroto Yamada, Tomoyuki Nemoto
  • Patent number: 8680169
    Abstract: Provided is a porous polypropylene film having both air permeability properties and puncture strength. A porous polypropylene film which has an air permeability of 700 seconds/100 ml or less and a puncture strength of 1.5 N or greater, and has ? activity can be obtained when the porous polypropylene film is made to have a tensile strength in the machine direction of the film, EMD, of 100 MPa or greater, a tensile strength in the transverse direction to the machine direction, ETD, of less than 100 MPa, and a ratio of EMD and ETD, EMD/ETD, of 1.5 to 10.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: March 25, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Takeyoshi Yamada, Yasushi Usami, Toru Terakawa
  • Patent number: 8664351
    Abstract: The present invention provides a biaxially oriented polyester film for a backsheet of solar batteries which exhibits a good hydrolysis resistance and a low haze. The present invention relates to a biaxially oriented polyester film for a backsheet of solar batteries, comprising titanium in an amount of not more than 20 ppm in terms of a titanium atom, phosphorus in an amount of not more than 70 ppm in terms of a phosphorus atom, and antimony in an amount of not more than 10 ppm in terms of an antimony atom; and having a carboxyl end group content of not more than 26 equivalents/t and an intrinsic viscosity of 0.65 to 0.90.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: March 4, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Koutarou Nozawa, Taku Aoike
  • Publication number: 20140057057
    Abstract: [Problem] To provide a process for manufacturing a laminated porous film in which wrinkling is suppressed and a covering layer is laminated on at least one surface of a polyolefin-based resin porous film. [Solution] A process for manufacturing a laminated porous film comprising layering a covering layer on at least one surface of a polyolefin-based resin porous film, wherein film tension (Ta) in a drying step is controlled at 40 N/m or less.
    Type: Application
    Filed: October 22, 2012
    Publication date: February 27, 2014
    Applicant: MITSUBISHI PLASTICS, INC.,
    Inventors: Tomohiko Terai, Satoru Momohira, Hirotaka Aria
  • Patent number: 8658278
    Abstract: Provided is a film which can be industrially coated easily and exhibits excellent gas barrier performance without being subjected to a high-temperature heat treatment. The film exhibits good gas barrier performance immediately after the production, and maintains the excellent gas barrier performance while exhibiting excellent hot water resistance and printing resistance.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: February 25, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Chiharu Okawara, Shigenobu Yoshida, Tooru Hachisuka, Motoyoshi Takemura
  • Patent number: 8652642
    Abstract: The present invention provides a polyester film which is excellent in hydrolysis resistance of a base film, is hardly deteriorated in adhesion property to various members or top-coating agents, and can suitably used, for example, as a film for a protective member for protecting a back surface of solar cells. The present invention relates to a biaxially oriented polyester film in the form of a laminated film comprising a biaxially oriented polyester base film having a phosphorus element content of 0 to 170 ppm and a terminal carboxylic acid content of not more than 26 equivalents/t, and a coating layer formed on at least one surface of the biaxially oriented polyester base film which comprises a polyurethane having a polycarbonate skeleton or a polyether skeleton and a crosslinking agent, wherein the laminated film has a haze value of not more than 10%.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: February 18, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Narihiro Masuda, Takaaki Kojima, Thorsten Kiehne
  • Publication number: 20140044908
    Abstract: Provided is a novel transparent adhesive sheet with which the cut edge is not sticky over time when a laminated body that has been bonded via the adhesive sheet is cut, which can be adhered without generating residual air bubbles, even when the surface of an adherend is uneven, and which can be adhered without foaming, even when the adherend is a material such as plastic that can generate outgas. Suggested is an adhesive sheet that has one or more layers of a first adhesive layer and one or more layer of a second adhesive layer that exhibit different viscoelastic behaviors, and has an integrated structure whereby these layers are laminated, with a dynamic shear storage modulus G? of 2×104 to 5×105 Pa for G?(20° C.) and 1×104 to 1×105 Pa for G?(150° C.) when measured with a 1 Hz frequency temperature dispersion.
    Type: Application
    Filed: October 21, 2013
    Publication date: February 13, 2014
    Applicant: Mitsubishi Plastics, Inc.
    Inventor: Makoto INENAGA
  • Publication number: 20140030510
    Abstract: Such a vapor-deposited barrier film is provided that has a vapor-deposited layer having uniform film quality, a high film density and high barrier performance in the initial stage. The vapor-deposited barrier film contains a substrate having on at least one surface thereof at least one layer of a vapor-deposited layer (a). The vapor-deposited layer (a) contains a metal oxide, has a thickness of from 10 to 500 nm, and has an average value of an elemental ratio of oxygen (O) and the metal (oxygen (O)/metal) of 1.20 or more and 1.90 or less and a difference between the maximum value and the minimum value of the (oxygen (O)/metal) of 0.35 or less on analysis of the vapor-deposited layer in the depth direction thereof by an X-ray photoelectron spectroscopy (ESCA) method.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 30, 2014
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Shigeto Kimura, Tooru Hachisuka, Koji Yamauchi, Shigenobu Yoshida
  • Patent number: 8637764
    Abstract: The present invention provides a biaxially oriented polyester film for a backsheet of photovoltaics which exhibits an excellent hydrolysis resistance and a low shrinkage rate. The present invention relates to a biaxially oriented polyester film for a backsheet of photovoltaics, comprising a polyester having an intrinsic viscosity of 0.65 to 0.90 dL/g as measured in a mixed solvent comprising phenol and tetrachloroethane at a mass ratio of 50/50 at 23° C., a carboxyl end group content of 0 to 26 equivalents/t, and a phosphorus element content of 0 to 170 ppm, which biaxially oriented polyester film has a shrinkage rate of not more than 0.8% as measured in a longitudinal direction thereof after subjected to heat treatment at 150° C. for 30 min.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: January 28, 2014
    Assignee: Mitsubishi Plastics, Inc.
    Inventor: Koutarou Nozawa
  • Publication number: 20140017419
    Abstract: To provide a gas barrier laminate film containing a substrate film having on at least one surface thereof one layer or plural layers of an inorganic thin film layer, a first layer of the inorganic thin film layer on a side of the substrate film being formed by a facing target sputtering method, and a method for producing a gas barrier laminate film, containing forming one layer or plural layers of an inorganic thin film layer on at least one surface of a substrate film, a first layer of the inorganic thin film layer on a side of the substrate film being formed by a facing target sputtering method, and thus to provide a gas barrier laminate film with high gas barrier property having a dense inorganic thin film layer that inflicts less damage to a substrate film, particularly to a resin film, on which the inorganic thin film layer is formed, and a method for producing the same.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 16, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Hidetaka Amanai, Makoto Miyazaki
  • Publication number: 20140014181
    Abstract: The present invention provides a gas barrier laminate film containing a substrate film having on at least one surface thereof plural layers of an inorganic thin film layer, from a first layer to an n-th layer (wherein n represents an integer of 1 or more) of the inorganic thin film layer on a side of the substrate film being formed by a non-plasma film forming method, and an (n+1)-th layer formed thereon in contact therewith being formed by a facing target sputtering method, and a method for producing a gas barrier laminate film containing a substrate film having on at least one surface thereof one or plural layers of an inorganic thin film layer, the method containing: forming from a first layer to an n-th layer of the inorganic thin film layer on a side of the substrate film by a non-plasma film forming method; and forming an (n+1)-th layer thereon in contact therewith by a facing target sputtering method, and thus provides a gas barrier laminate film with high gas barrier property and excellent productivit
    Type: Application
    Filed: March 29, 2012
    Publication date: January 16, 2014
    Applicant: MITSUBISHI PLASTICS, INC
    Inventors: Hidetaka Amanai, Makoto Miyazaki
  • Publication number: 20140017468
    Abstract: A film which can be industrially coated easily and exhibits excellent gas barrier performance without being subjected to a high-temperature heat treatment, good gas barrier performance immediately after the production, and maintains the excellent gas barrier performance while exhibiting excellent hot water resistance and printing resistance; a gas barrier laminated film including a resin layer on an inorganic thin film formed on at least one surface of a support film, the resin layer being formed by applying: (1) an aqueous dispersion containing polyvinyl alcohol (a), an ethylene-unsaturated carboxylic acid copolymer (b), and inorganic particles (c); (2) an aqueous dispersion containing an ethylene-unsaturated carboxylic acid copolymer (b), inorganic particles (c), and/or a cross-linking agent (d); or (3) an aqueous dispersion containing polyvinyl alcohol (a), an ethylene-unsaturated carboxylic acid copolymer (b), inorganic particles (c), and cross-linking agent (d), to the inorganic thin film surface; and a
    Type: Application
    Filed: September 17, 2013
    Publication date: January 16, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Chiharu OKAWARA, Shigenobu Yoshida, Tooru Hachisuka, Motoyoshi Takemura
  • Publication number: 20140010722
    Abstract: To provide an exhaust gas purification catalyst which has high nitrogen oxide removal performance at both an exhaust gas temperature of 200° C. or lower and an exhaust gas temperature of 500° C. or higher and high durability to the repetitive adsorption and desorption of water vapor. A catalyst contains zeolite having a framework structure containing at least aluminum atoms, phosphorus atoms, and silicon atoms and metal supported on the zeolite. The integrated intensity area of a signal intensity of ?130 ppm to ?92.5 ppm is 41% or more of the integrated intensity area of a signal intensity of ?130 ppm to ?50 ppm in the case of measuring a solid-state 29Si-DD/MAS-NMR spectrum after water adsorption.
    Type: Application
    Filed: January 31, 2012
    Publication date: January 9, 2014
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Takeshi Matsuo, Daisuke Nishioka, Takahiko Takewaki, Haijun Chen, Kazunori Oshima