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1.发明申请公开(公告)号：US20190389189A1
公开(公告)日：2019-12-26
申请号：US16490307
申请日：2018-02-28
Applicant: TOYOBO CO., LTD. , SYNVINA C.V.
Inventor： Shota HAYAKAWA , Yukihiro NUMATA , Katsuya ITO , Jun INAGAKI , Jesper Gabriel VAN BERKEL
IPC: B32B27/36 , B32B27/08 , C08G63/137 , C08L67/02
Abstract: An object is to provide a laminate having excellent lamination strength that includes a polyester film having a furandicarboxylate unit and a heat-sealable resin layer, and to provide a packaging bag including the same. A laminate including a polyester film and a heat-sealable resin layer, wherein the polyester film is a biaxially oriented polyester film containing a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol, a plane orientation coefficient ΔP of the film is 0.005 or more and 0.200 or less, a thickness of the film is 1 μm or more and 300 μm or less, a heat shrinkage rate of the film is 10% or less when heated at 150° C. for 30 minutes, and lamination strength of the laminate is 2.0 N/15 mm or more.
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公开(公告)号：US20220064393A1
公开(公告)日：2022-03-03
申请号：US17421217
申请日：2020-01-07
Applicant: TOYOBO CO., LTD.
Inventor： Atsushi YAMAZAKI , Takamichi GOTO , Yukihiro NUMATA
Abstract: The invention provides a laminated film containing at least a base material layer, a covering layer, and an inorganic thin-film layer in this order, wherein (a) the base material layer comprises a resin composition that contains at least 70 mass % of polybutylene terephthalate resin; (b) the laminated film has a piercing strength of 0.6 N/μm or more as measured in accordance with JIS Z 1707 after having undergone a 95° C.-boiling treatment for 30 minutes; (c) the base material layer has a surface orientation degree of 0.144-0.160; and (d) when the value of oxygen transmission rate obtained by measuring the laminated film under a 23° C.×65% RH condition is defined as (A) and the value of oxygen transmission rate obtained by measuring same under a 40° C.×90% RH condition is defined as (B), the barrier value deterioration rate of the laminated film, as calculated as (B/A)×100, is 300% or less.
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公开(公告)号：US20210016484A1
公开(公告)日：2021-01-21
申请号：US16490205
申请日：2018-02-28
Applicant: TOYOBO CO., LTD. , FURANIX TECHNOLOGIES B.V.
Inventor： Shota HAYAKAWA , Yukihiro NUMATA , Katsuya ITO , Jun INAGAKI , Toshiyuki SHIMIZU , Shoichi GYOBU , Chikao MORISHIGE , Jesper Gabriel VAN BERKEL
IPC: B29C48/00 , B29C48/305 , B29C48/08 , B29C55/12
Abstract: It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×107 ω·cm or less.
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公开(公告)号：US20200269560A1
公开(公告)日：2020-08-27
申请号：US16066232
申请日：2016-12-26
Applicant: TOYOBO CO., LTD. , SYNVINA C.V.
Inventor： Jun INAGAKI , Kaoru SAWADA , Yukihiro NUMATA , Jesper Gabriel VAN BERKEL
IPC: B32B27/36 , B32B27/40 , B32B27/30 , C08G63/672
Abstract: To provide a layered polyester film having excellent mechanical properties, transparency, heat resistance, and gas barrier property. A layered polyester film including a polyester film and a thin film layer, wherein the polyester film is a biaxially oriented polyester film including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, the covering layer is formed on at least one surface of the polyester film, and the layered polyester film has a plane orientation coefficient ΔP of not less than 0.005 and not more than 0.200, and a thickness of the layered polyester film is not thinner than 1 μm and not thicker than 300 μm.
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公开(公告)号：US20220410546A1
公开(公告)日：2022-12-29
申请号：US17781567
申请日：2020-11-25
Applicant: TOYOBO CO., LTD.
Inventor： Atsushi YAMAZAKI , Yukihiro NUMATA , Kyoko INAGAKI , Yuya YAMAGUCHI , Shintaro ISHIMARU
Abstract: The invention provides a laminated body which contains an environmentally friendly recycled material, has a lamination constitution composed of substantially a single resin type mainly composed of polyester and having a low environmental load, and has required performances such as gas barrier properties, sealability, toughness, and transparency required for a packaging material.
The laminated body is formed by laminating a polyester substrate film containing 50% by weight or more of a polyester resin recycled from PET bottles and a heat sealable resin layer in this order,
wherein the substrate film is a laminated film including an inorganic thin film layer (A) and a protective layer (a) containing a urethane resin on one surface thereof, and
the heat sealable resin layer is formed of a polyester-based resin mainly composed of ethylene terephthalate, and has a piercing strength of 10 N or more and a haze of 20% or less.-
Patent Agency Ranking
公开(公告)号：US20210147618A1
公开(公告)日：2021-05-20
申请号：US17162351
申请日：2021-01-29
Applicant: TOYOBO CO., LTD. , Furanix Technologies B.V.
Inventor： Jun INAGAKI , Katsuya ITO , Yukihiro NUMATA , Shota HAYAKAWA , Jesper Gabriel VAN BERKEL
IPC: C08G63/199 , C08J5/18 , B29C55/00 , B29C55/16 , B29C71/02
Abstract: It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ΔP of not less than 0.005 and not more than 0.200, a thickness of not less than 1 μm and not more than 300 μm, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.
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公开(公告)号：US20200224304A1
公开(公告)日：2020-07-16
申请号：US16637526
申请日：2018-07-26
Applicant: TOYOBO CO., LTD.
Inventor： Mitsuhiro KASHIWA , Yukihiro NUMATA , Kiyoshi ISEKI
Abstract: An object to be achieved by the present invention is to provide a gas barrier film having excellent acid resistance, transparency, and gas barrier properties. The gas barrier laminated body of the present invention is a laminate, in which an inorganic thin-film layer is laminated onto at least one of surfaces of a polymer substrate, and the inorganic thin-film layer mainly contains Al and Si, and a ratio of an Al content amount between before and after treatment of immersing the laminate into aqueous solution of hydrochloric acid that has concentration of 1 mol/L for one hour satisfies a formula of (Al Content Amount After Treatment)/(Al Content Amount Before Treatment)×100≥75.
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公开(公告)号：US20220379589A1
公开(公告)日：2022-12-01
申请号：US17776801
申请日：2020-11-10
Applicant: TOYOBO CO., LTD.
Inventor： Atsushi YAMAZAKI , Yukihiro NUMATA , Kyoko INAGAKI , Yuya YAMAGUCHI
Abstract: The present invention provides an environment-responsive laminated film including an inorganic thin film layer and a protective layer in this order on a substrate film layer using a polyester resin recycled from PET bottles. The laminated film has excellent barrier properties and adhesiveness even after a severe wet heat treatment and has less deterioration in appearance of the film even after retorting. The laminated film comprises a substrate film; an inorganic thin film layer on at least one surface of the substrate film; and a protective layer containing a urethane resin on the inorganic thin film layer, wherein (a) the substrate film contains 50% by weight or more of a polyester resin recycled from PET bottles; (b) standard deviation of a haze after retorting the laminated film at 130° C. for 30 minutes is 0.5% or less; and (c) an adhesion amount of the protective layer is 0.5 g/m2 or less.
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公开(公告)号：US20200269559A1
公开(公告)日：2020-08-27
申请号：US16066212
申请日：2016-12-26
Applicant: TOYOBO CO., LTD. , SYNVINA C.V.
Inventor： Jun INAGAKI , Yukihiro NUMATA , Jesper Gabriel VAN BERKEL
Abstract: To provide a layered polyester film having excellent mechanical properties, transparency, heat resistance, and in particular excellent gas barrier property. A layered polyester film containing a polyester film and a thin film layer including mainly an inorganic compound, wherein the polyester film is a biaxially oriented polyester film including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, the thin film layer is formed on at least one surface of the polyester film, the inorganic compound is at least one of aluminum oxide and silicon oxide, and the layered polyester film has a plane orientation coefficient ΔP of not less than 0.005 and not more than 0.200, a film thickness of not thinner than 1 μm and not thicker than 300 μm, and an oxygen permeability of not less than 0.1 mL/m2/day/MPa and not more than 80 mL/m2/day/MPa under a temperature of 23° C. and a humidity of 65%.
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公开(公告)号：US20200248298A1
公开(公告)日：2020-08-06
申请号：US16637475
申请日：2018-07-26
Applicant: TOYOBO CO., LTD.
Inventor： Mitsuhiro KASHIWA , Yukihiro NUMATA , Kiyoshi ISEKI
Abstract: To provide a production method that enables to produce a gas barrier film having excellent transparency and gas barrier properties at high speed. A method for producing a gas barrier film, the gas barrier film having an inorganic thin-film layer laminated to at least one of surfaces of a polymer substrate, in which the inorganic thin-film layer is formed by a vacuum vapor-deposition method using Al and SiO2 as vapor-deposition materials while introducing oxygen gas.
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