公开(公告)号：US20210339514A1

公开(公告)日：2021-11-04

申请号：US17279577

申请日：2019-09-30

申请人： TOYOBO CO., LTD.

发明人： Hiroko MARUYAMA ,  Masayuki HARUTA ,  Shintaro ISHIMARU

IPC分类号： B32B27/36 ,  B65D65/40 ,  B65D30/08

摘要： The invention provides a sealant film that is less likely to adsorb components formed of various types of organic compounds, has excellent heat sealing characteristics at 140° C., while having low heat sealing strength at 100° C. and being less likely for heat sealing layers to adhere to each other even when the film is used as a packaging bag and the content thereof is warmed in boiling water. The sealant film has at least one heat sealing layer consisting of a polyester component, wherein a heat sealing strength of the heat sealing layer being heat sealed to another heat sealing layer at 100° C. and 0.2 MPa for 2 seconds is 0-5 N/15 mm and at 140° C. and 0.2 MPa for 2 seconds is 8-30 N/15 mm, and a film density including all layers is 1.20 or more and less than 1.39.

公开(公告)号：US20210024708A1

公开(公告)日：2021-01-28

申请号：US17042031

申请日：2019-03-25

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： C08J5/18 ,  C08L67/02

摘要： The invention provides a heat-shrinkable polyester-based film containing 90 mol % or more of ethylene terephthalate unit based on 100 mol % of whole ester unit, wherein at least a part of ethylene glycol and/or terephthalic acid constituting the ethylene terephthalate unit is derived from biomass resource or the heat-shrinkable polyester-based film contains polyester resin recycled from PET bottles, and the heat-shrinkable polyester-based film satisfies the requirements: (1) heat-shrinkage ratio in a width direction measured by shrinking the film for 10 seconds in 90° C. hot water is 50%-75%, (2) heat-shrinkage ratio in a longitudinal direction measured by shrinking the film for 10 seconds in 90° C. hot water is −6% or more and 14% or less, (3) heat-shrinkage ratio in the longitudinal direction measured by shrinking the film for 10 seconds in 70° C. hot water is −6% or more and 6% or less, and (4) irregularity of thickness in the width direction is 1%-20%.

公开(公告)号：US20180079877A1

公开(公告)日：2018-03-22

申请号：US15559030

申请日：2016-03-09

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： C08J5/18 ,  B29C65/68 ,  C08G63/183 ,  B65D75/00

CPC分类号： C08J5/18 ,  B29C55/005 ,  B29C55/143 ,  B29D7/01 ,  B29K2067/003 ,  B29K2105/02 ,  B29K2105/256 ,  B29K2995/0049 ,  B32B27/36 ,  B32B2307/30 ,  B32B2307/50 ,  B32B2307/54 ,  B32B2307/582 ,  B32B2307/736 ,  B32B2309/02 ,  B32B2309/04 ,  B32B2367/00 ,  B32B2439/00 ,  B65D75/00 ,  B65D75/002 ,  C08G63/08 ,  C08G63/183 ,  C08J2367/02 ,  C08J2467/02 ,  C08L67/02 ,  C08L67/03 ,  C08L67/04 ,  Y10T428/1328 ,  Y10T428/1331 ,  Y10T428/31786

摘要： The invention provides a heat-shrinkable polyester-based film comprising ethylene terephthalate units, constituent units derived from at least one monomer which forms an amorphous component, and constituent units derived from butanediol. The amount of the constituent units derived from at least one monomer which forms an amorphous component is 18 mol % or more, and the amount of the constituent units derived from butanediol is 1 to 25 mol % based on 100 mol % of all polyester resin components. The heat-shrinkable polyester-based film is characterized by particular values for the secondary shrinkage ratio of the film, the hot-water heat shrinkage ratio of the film, and the reversing heat capacity difference before and after the glass transition temperature of the film.

公开(公告)号：US20240149568A1

公开(公告)日：2024-05-09

申请号：US18282126

申请日：2022-03-04

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： B32B27/08 ,  B32B7/12 ,  B32B27/20 ,  B32B27/32 ,  B65D65/40

CPC分类号： 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

摘要： 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.

公开(公告)号：US20220410546A1

公开(公告)日：2022-12-29

申请号：US17781567

申请日：2020-11-25

申请人： TOYOBO CO., LTD.

发明人： Atsushi YAMAZAKI ,  Yukihiro NUMATA ,  Kyoko INAGAKI ,  Yuya YAMAGUCHI ,  Shintaro ISHIMARU

IPC分类号： B32B27/08 ,  B32B7/12 ,  B32B27/36 ,  B32B27/40

摘要： 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.

公开(公告)号：US20210016945A1

公开(公告)日：2021-01-21

申请号：US16982975

申请日：2019-03-01

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： B65D65/40 ,  B32B9/00 ,  B32B9/04 ,  B32B15/09 ,  B32B15/20 ,  B65D30/08

摘要： 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%.

公开(公告)号：US20190077136A1

公开(公告)日：2019-03-14

申请号：US16084834

申请日：2017-03-13

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： B32B27/36 ,  C08L67/02

摘要： 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.

公开(公告)号：US20240075719A1

公开(公告)日：2024-03-07

申请号：US18272505

申请日：2022-01-11

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： B32B27/08 ,  B32B27/32 ,  B65D65/40

CPC分类号： B32B27/08 ,  B32B27/32 ,  B65D65/40 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2255/26 ,  B32B2264/102 ,  B32B2264/1022 ,  B32B2264/104 ,  B32B2270/00 ,  B32B2307/308 ,  B32B2307/31 ,  B32B2307/4026 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/748 ,  B32B2307/75 ,  B32B2439/06 ,  B41M5/267

摘要： The present invention provides packaging, which comprises a laminated body including a sealing layer and at least one laser 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, the sealing layer is at least an innermost layer, and at least a part of the sealing layers of the innermost layers are pasted to each other, and the difference in color L* value between the laser-printed portion and the non-printed portion, the adhesive strength between the sealing layers, and the lamination strength between the laser printing layer and a layer adjacent to at least one side of the laser printing layer are within predetermined ranges; and is laser-printed packaging composed of a laminated body excellent in lamination strength and visual perceptibility of printed portions without using ink containing a laser pigment.

公开(公告)号：US20240001658A1

公开(公告)日：2024-01-04

申请号：US18030110

申请日：2021-10-06

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： B32B27/20 ,  B32B27/08 ,  B32B27/32 ,  B32B27/36 ,  B65D65/40

CPC分类号： B32B27/20 ,  B32B27/08 ,  B32B27/32 ,  B32B27/36 ,  B65D65/40 ,  B32B2270/00 ,  B32B2307/4026 ,  B32B2264/1022 ,  B32B2264/104 ,  B32B2307/542 ,  B32B2250/40 ,  B32B2250/03 ,  B32B2250/24 ,  B32B2307/518 ,  B32B2307/75 ,  B32B2307/414 ,  B32B2307/554 ,  B32B2307/54 ,  B32B2307/7376 ,  B32B2435/02 ,  B32B2519/00

摘要： A display body characterized in that there is at least one white printing layer permitting printing by means of laser irradiation; said white printing layer has a nonprinted region and a printed region at which laser printing has been carried out; and (1) through (3) are satisfied. (1) An absolute value of a difference in color L* values between the printed region and the nonprinted region is not less than 1.0 but not greater than 10.0. (2) Total luminous transmittance of the nonprinted region is not less than 8% but not greater than 50%. (3) Fractional decrease in thickness of the printed region in a cross-sectional direction is not less than 1 vol % but not greater than 80 vol % of that of the nonprinted region. A high-quality display body, with high productivity is provided.

公开(公告)号：US20210246301A1

公开(公告)日：2021-08-12

申请号：US17041999

申请日：2019-03-14

申请人： TOYOBO CO., LTD.

发明人： Shintaro ISHIMARU ,  Masayuki HARUTA

IPC分类号： C08L67/02 ,  B29C61/02 ,  B29C55/08

摘要： The invention provides a heat-shrinkable polyester-based film, where the heat-shrinkage ratio in the width direction is high and the irregularity of thickness is small. The heat-shrinkable polyester-based film of the present invention contains 90 mol % or more of ethylene terephthalate unit based on 100 mol % of whole ester unit, wherein, the heat-shrinkable polyester-based film satisfies the requirements: (1) heat-shrinkage ratio in a width direction measured by shrinking the film for 10 seconds in 90° C. hot water is 50%-75%, (2) heat-shrinkage ratio in a longitudinal direction measured by shrinking the film for 10 seconds in 90° C. hot water is −6% or more and 14% or less, (3) heat-shrinkage ratio in the longitudinal direction measured by shrinking the film for 10 seconds in 70° C. hot water is -6% or more and 6% or less, and (4) irregularity of thickness in the width direction is 1%-20%.