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公开(公告)号：US20240149568A1
公开(公告)日：2024-05-09
申请号：US18282126
申请日：2022-03-04
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
CPC classification number: B32B27/08 , B32B7/12 , B32B27/20 , B32B27/32 , B65D65/40 , B32B2255/10 , B32B2255/20 , B32B2255/26 , B32B2255/28 , B32B2264/1022 , B32B2264/104 , B32B2270/00 , B32B2307/308 , B32B2307/31 , B32B2307/518 , B32B2307/7244 , B32B2307/7246 , B32B2553/00
Abstract: An object of the present invention is to provide a laser-printable laminate display body in which printing is not peeled off even when an external stimulus such as rubbing is applied, and to provide a laminate display body which can afford high-quality laser printing such that characters can be clearly visually recognized by high density and fineness of printing and does not cause defects such as perforation due to laser printing. A laminate display body including at least one printing layer that can undergo printing by laser irradiation, in which the laser printing layer includes a laser-printed portion printed by laser and a non-printed portion, at least one laser non-absorbing layer is laminated on the printing layer, and the absolute value of the difference in color L* value between the laser-printed portion and the non-printed portion is 1.0 or more and 10.0 or less.
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公开(公告)号：US20230374349A1
公开(公告)日：2023-11-23
申请号：US18247974
申请日：2021-10-04
Applicant: TOYOBO CO., LTD.
Inventor： Noboru TAMARI , Masayuki HARUTA
IPC: C09J7/25 , B65D65/40 , C09J167/03
CPC classification number: C09J7/255 , B65D65/40 , C09J167/03 , C09J2400/163 , C09J2301/414 , C09J2301/312 , C09J2301/122
Abstract: Disclosed is a biaxially oriented polyester film that is excellent in adhesiveness with a metal layer etc., and excellent in deep drawability for an isotropic chape, such as a square shape. A biaxially oriented polyester film having at least a base layer and an adhesive layer each of which contains a polyester as a main component, the film satisfying the following requirements (1) to (3): (1) a difference between reversible heat capacity difference (ΔCp) at around glass transition temperatures of the adhesive layer and the base layer is not smaller than 0.10 and not larger than 0.45; (2) a molecular orientation ratio measured by using a molecular orientation meter is higher than 1.2; and (3) a stress at 10% elongation (F10) in each of a machine and transverse direction is not lower than 90 MPa and not higher than 160 MPa.
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公开(公告)号：US20230365804A1
公开(公告)日：2023-11-16
申请号：US18043274
申请日：2021-08-06
Applicant: TOYOBO CO., LTD.
Inventor： Nobuyuki MANABE , Takamichi GOTO , Masayuki HARUTA
CPC classification number: C08L67/02 , C08J5/121 , C08L2207/20 , C08L2205/025 , C08L2203/16 , C08J2367/02 , C08J2467/02 , B29C48/08
Abstract: The invention provides a biaxially oriented polyester film roll which has excellent transparency and mechanical characteristics, as well as an excellent ability to be wound up into a roll and/or lubricity during film manufacturing operations, which is environmentally friendly, and which exhibits little variation in physical properties in the machine direction thereof even when in the form of a long film roll, i.e., a roll of long wound length, and a production method therefor. In particular, the invention provides a biaxially oriented polyester film roll, wound up at which there is a biaxially oriented polyester film comprising a polyester resin composition comprising particles and polyester resin recycled by the market and/or society and including PET bottles, the biaxially oriented polyester film roll satisfying predetermined ranges of haze, purge time for air, arithmetic mean height Sa, maximum projecting height Sp, and variation thereof.
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公开(公告)号：US20220267541A1
公开(公告)日：2022-08-25
申请号：US17765525
申请日：2020-09-23
Applicant: TOYOBO CO., LTD.
Inventor： Masafumi INOUE , Masayuki HARUTA
Abstract: The invention provides a heat-shrinkable polyester film roll obtained by winding a heat-shrinkable polyester film on a paper tube with primary shrinkage in the longitudinal direction and a shrinkage rate of 40% or more, wherein the film has a winding length of 1000 to 30000 m, a width of 50 to 1500 mm, and a thickness of 5-30 μm, the thickness irregularity of the film roll in the width direction is 20% or less, the paper tube has an inner diameter of 3 inches with a 0.5 mm or less difference in clearance and a 1700 N/100 mm or more flat compressive strength in the width direction after the film is removed from the film roll, the mean value of the winding hardness of the surface layer part of the film roll in the width direction is 500-850, and the natural shrinkage rate in the longitudinal direction is 2.0% or less.
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公开(公告)号：US20220251314A1
公开(公告)日：2022-08-11
申请号：US17627096
申请日：2020-06-23
Applicant: TOYOBO CO., LTD.
Inventor： Nobuyuki MANABE , Masayuki HARUTA
IPC: C08J5/18
Abstract: Disclosed is a biaxially oriented polyester film that is superior in transparency and easy to perform secondary processing such as coating and vapor deposition, and satisfies performance after the secondary processing. The biaxially oriented polyester film consists of a polyester resin composition including particles, and at least one surface of the film satisfies all of the following requirements (1) to (3): (1) the number of micro protrusions having a height of less than 3 nm per an area of 4×10−12 m2 of 250 or more and 600 or less; (2) the number of micro protrusions having a height of 3 nm or more per an area of 4×10−12 m2 of 300 or more and 600 or less; and (3) an arithmetic average height Sa of 0.010 μm or more and 0.025 μm or less.
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Patent Agency Ranking
公开(公告)号：US20220024111A1
公开(公告)日：2022-01-27
申请号：US17291372
申请日：2019-10-25
Applicant: TOYOBO CO., LTD.
Inventor： Mahiro NAKANO , Masayuki HARUTA
Abstract: The present invention is to provide a method for producing a biaxially oriented polyester film that is superior in mechanical properties, transparency, and heat resistance, and at the same time, superior in secondary processing suitability and printing appearance. Disclosed is a biaxially oriented polyester film, having at least one surface satisfying the following requirements (1) and (2), and the film satisfying the following requirements (3) and (4). (1) A maximum peak height roughness (SRp) is 1.2 μm to 1.6 μm. (2) An arithmetic average roughness (SRa) is 0.024 μm to 0.045 μm. (3) A tensile strength in a longitudinal direction and a width direction is 180 MPa to 300 MPa. (4) A haze is 7% or less.
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公开(公告)号：US20210016945A1
公开(公告)日：2021-01-21
申请号：US16982975
申请日：2019-03-01
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
Abstract: A laminated body having at least two or more different layers, wherein the laminate body is characterized by satisfying the following requirements (1) to (5): (1) the laminate body has a heat-sealing layer as at least one of the outermost layers, wherein the heat-sealing layer includes a polyester based component containing ethylene terephthalate as a main constituent component, and a sealing strength of 8 N/15 mm to 30 N/15 mm; (2) at least one layer other than the heat-sealing layer is an inorganic thin film layer; (3) a water vapor permeation rate of 0.1 g/m2·d to 6 g/m2·d; (4) an oxygen permeation rate of 5 ml/m2·d·MPa to 30 ml/m2·d·MPa; and (5) a heat shrinkage rate of −5% to 5%.
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公开(公告)号：US20190077136A1
公开(公告)日：2019-03-14
申请号：US16084834
申请日：2017-03-13
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
Abstract: The present invention provides a polyester film suitable for use as a sealant, which not only has high heat sealing strength, but also is less liable to adsorb various organic compounds, and has a less shrinkage in heating and high tensile strength. Further, the present invention provides a laminate comprising at least one layer of the polyester film, and a packaging bag including the same. The polyester film which is formed with a polyester resin whose main constituent is ethylene terephthalate. The film has at least one heat sealing layer. The film has a predetermined heat sealing strength, a predetermined difference in reversing heat capacity measured with a temperature modulated DSC, and a predetermined heat shrinkage. Further, the laminate comprises at least one layer of the polyester film, and the packaging bag includes the same.
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公开(公告)号：US20180229422A1
公开(公告)日：2018-08-16
申请号：US15749235
申请日：2016-08-01
Applicant: TOYOBO CO., LTD.
Inventor： Masafumi INOUE , Masayuki HARUTA
Abstract: The invention provides a heat-shrinkable polyester film which has sufficient heat shrinkage properties in the main shrinkage direction that is the longitudinal direction without containing a monomer component that can form an amorphous component in a large amount, and which has a low heat shrinkage and a low shrinkage stress in the width direction orthogonal to the main shrinkage direction. The film has a heat shrinkage of 15-50% in a main shrinkage direction of the film and 0-12% in a direction orthogonal to the main shrinkage direction of the film, when treated for 10 seconds in hot water of 90° C., and a maximum shrinkage stress of 2-10 MPa in the main shrinkage direction of the film when measured under hot air of 90° C. The film contains 7-30 mol % of a constituent unit derived from diethylene glycol in 100 mol % of the whole polyester resin component.
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公开(公告)号：US20240132683A1
公开(公告)日：2024-04-25
申请号：US18547371
申请日：2022-02-17
Applicant: TOYOBO CO., LTD.
Inventor： Masafumi INOUE , Masayuki HARUTA
CPC classification number: C08J5/18 , B65D75/002 , G09F3/0291 , B65D2203/02 , C08J2367/02 , C08J2467/02 , G09F2003/0273
Abstract: The present invention aims to provide a heat-shrinkable polyester film that contains a PET bottle recycled raw material but that has sufficient shrinkability, a low shrinkage stress, and a high solvent adhesion strength. The present invention provides a heat shrinkable polyester film, wherein a polyester of the polyester film contains recycled raw material from a PET bottle and an acid component of the polyester comprises isophthalic acid, and the film satisfies a shrinkage rate in a main shrinkage direction, a maximum shrinkage stress in the main shrinkage direction, a melting heat amount, a solvent adhesion strength, and a limiting viscosity.
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