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公开(公告)号：US20200023626A1
公开(公告)日：2020-01-23
申请号：US16320475
申请日：2017-07-24
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
Abstract: The invention provides a white polyester film formed with a polyester resin whose main constituent is ethylene terephthalate, and (1) the film has at least two or more layers, and has at least one white layer and at least one heat sealing layer, wherein at least one of the film surfaces is the heat sealing layer, and the film satisfies the prescribed requirements of (2) the peeling strength of the heat sealing layers, (3) the difference in reversing heat capacity between at a lower and a higher temperature than a glass transition temperature of the heat sealing layer, (4) the heat shrinkage in both a longitudinal and width direction when treated in hot water at 80° C. for 10 seconds, (5) the total light transmittance, and (6) the apparent specific gravity.
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12.发明公开公开(公告)号：US20230191820A1
公开(公告)日：2023-06-22
申请号：US17919830
申请日：2021-04-15
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
CPC classification number: B41M5/46 , B32B27/36 , B32B27/32 , B32B27/20 , B32B7/02 , B32B27/08 , B41M5/32 , B32B2270/00 , B32B2307/4026 , B32B2307/542 , B32B2307/516 , B32B2307/518 , B32B2255/10 , B32B2255/20 , B32B2307/414 , B32B2307/7244 , B32B2553/00
Abstract: [PROBLEM] To provide a packaging and a display material which permit printing in distinct fashion by a laser, and which are of high transparency. [SOLUTION MEANS] A display material having at least one layer permitting printing as a result of laser irradiation, the display material being such that the printing occurs due to change in color caused by the laser irradiation in at least one region of said layer; when a digital microscope is used to carry out cross-sectional observation of said printed region and a nonprinted region, a significant difference in at least any one of RGB values indicating color elements is observed; and thickness of said printed region is not less than 5μm but not greater than 200 μm.
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公开(公告)号：US20230001679A1
公开(公告)日：2023-01-05
申请号：US17768346
申请日：2020-10-20
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
Abstract: A polyester-based film comprising at least one layer permitting printing as a result of laser irradiation; wherein not less than 100 ppm but not greater than 3000 ppm of laser-printable metal is present in all layers of the film. The film is capable of being printed in distinct fashion by a laser, excels with respect to unevenness in thickness, and is of high transparency, while at the same time provide packaging which employs such film and on which printing has been directly carried out.
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14.发明申请公开(公告)号：US20210108027A1
公开(公告)日：2021-04-15
申请号：US16603580
申请日：2018-04-16
Applicant: TOYOBO CO., LTD.
Inventor： Soichiro MINAMI , Hideto OHASHI , Masayuki HARUTA , Shintaro ISHIMARU
IPC: C08G63/183 , C08G63/672 , B29C61/06
Abstract: The invention provides a polyester resin for heat-shrinkable film which contains terephthalic acid as a main component of a dicarboxylic acid component, contains ethylene glycol as a main component of a diol component, and contains from 18 to 32% by mol of neopentyl glycol and from 8 to 16% by mol of diethylene glycol when a total amount of the whole diol component in total polyester resin components is taken as 100% by mol. The polyester resin has an intrinsic viscosity (IV) of from 0.70 to 0.86 dl/g, a carboxyl end group concentration (AV) of from 8 to 25 eq/t, and a color b value of from 1.0 to 12.0 in an L*a*b color system. The invention also provides a heat-shrinkable film prepared from the aforementioned polyester resin, as well as a heat-shrinkable label and packaged product.
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公开(公告)号：US20210101379A1
公开(公告)日：2021-04-08
申请号：US16481826
申请日：2018-02-08
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
Abstract: The invention provides a polyester sealant film having at least one of a heat sealing layer and a heat resistant layer, wherein each layer consists of a polyester component containing ethylene terephthalate. The polyester sealant film has (1) a heat sealing strength of the heat sealing layers of 8-20 N/15 mm; (2) a difference in reversible heat capacity (ΔCp) for the heat sealing layer of 0.5-1.1 J/g/K; (3) a ΔCp for the heat resistant layer of 0.1 to less than 0.6 J/g/K; (4) a fold holding angle of 20-60 degrees; (5) a smaller curvature radius of 50-300 mm in a longitudinal or widthwise direction; and (6) a heat shrinkage ratio of −5% to 5% in both longitudinal and widthwise directions. The invention also provides a laminate comprising at least one layer of the polyester sealant and a packaging bag comprising the laminate.
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Patent Agency Ranking
公开(公告)号：US20180208375A1
公开(公告)日：2018-07-26
申请号：US15745990
申请日：2016-07-22
Applicant: TOYOBO CO., LTD.
Inventor： Masayuki HARUTA , Shintaro ISHIMARU
CPC classification number: B65D65/02 , B29C55/12 , B29C55/14 , B29C61/06 , B29K2067/003 , B29K2105/02 , B65D23/0878 , B65D25/205 , B65D75/002 , C08J5/18 , C08J2367/00
Abstract: The invention provides a heat-shrinkable polyester film which has a high heat shrinkage rate in the width direction, exhibits a low heat shrinkage rate in the longitudinal direction, and has a great mechanical strength in the longitudinal direction, good openability along perforations, and excellent shrink finish. The film has a hot-water heat shrinkage rate of 40% to 85% in the main shrinking direction and −5% to 15% in the perpendicular direction when the film is immersed in hot water at 98° C. for 10 seconds, and a maximum shrinkage stress of 2-7 MPa in the main shrinking direction when measured in hot air of 90° C. and the shrinkage stress 30 seconds after measurement of the shrinkage stress has started is of 60-100% of the maximum shrinkage stress. The film contains 6 mol % or more of diethylene glycol-derived constituent units with respect to 100 mol % of all polyester resin components.
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公开(公告)号：US20170021601A1
公开(公告)日：2017-01-26
申请号：US15300774
申请日：2015-03-03
Applicant: TOYOBO CO., LTD.
Inventor： Masayuki HARUTA , Shintaro ISHIMARU
IPC: B32B27/36 , C08G63/183 , C08J5/18 , B65D23/08
CPC classification number: B32B27/36 , B29C55/005 , B29C55/143 , B29K2067/00 , B29K2995/0049 , B29K2995/0053 , B32B2307/54 , B32B2307/582 , B32B2307/736 , B32B2309/02 , B32B2309/04 , B32B2439/00 , B65D23/0878 , B65D75/00 , B65D75/002 , B65D2203/02 , C08G63/183 , C08J5/18 , C08J2367/02 , C08J2467/02 , C08L67/02 , Y10T428/1328 , Y10T428/31786
Abstract: The invention provides a heat shrinkable polyester film which has (1) a hot-water heat shrinkage of not less than 55% and not more than 90% in a main shrinking direction of the film when dipped in hot water at 98° C.; (2) a hot-water heat shrinkage of not less than −5% and not more than 12% in a direction orthogonal to the main shrinking direction of the film when dipped in hot water at 98° C.; (3) a difference in specific heat capacity ΔCp between at a lower and a higher temperature than Tg of not less than 0.1 J/(g·° C.) and not more than 0.7 J/(g·° C.) when a reverse heat flow is measured with a temperature modulated DSC; and (4) a tensile breaking strength of not less than 70 MPa and not more than 150 MPa in the direction orthogonal to the main shrinking direction of the film.
Abstract translation: 本发明提供一种热收缩性聚酯薄膜，其在98℃的热水中浸渍时，具有（1）在主收缩方向上的热收缩率为55％以上90％以下的热收缩性聚酯薄膜。 （2）当浸渍在98℃的热水中时，在与膜的主收缩方向正交的方向上的热水热收缩率不小于5％且不大于12％; （3）当比较温度低于Tg时的比热容ΔCp在不低于0.1J /（g·℃）且不大于0.7J /（g·℃）时的比热差ΔCp，当a 用温度调制DSC测量反向热流; 和（4）在与膜的主收缩方向正交的方向上的拉伸断裂强度为70MPa以上且150MPa以下。
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公开(公告)号：US20240265831A1
公开(公告)日：2024-08-08
申请号：US18288110
申请日：2022-03-23
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
IPC: G09F3/03 , B32B7/06 , B32B7/12 , B32B27/08 , B32B27/18 , B32B27/32 , B32B27/36 , G09F3/02 , G09F3/10
CPC classification number: G09F3/03 , B32B7/06 , B32B7/12 , B32B27/08 , B32B27/18 , B32B27/32 , B32B27/36 , G09F3/10 , B32B2255/10 , B32B2255/20 , B32B2255/26 , B32B2264/102 , B32B2264/1022 , B32B2264/104 , B32B2270/00 , B32B2307/518 , B32B2307/7244 , B32B2307/7246 , B32B2307/7376 , B32B2307/748 , B32B2307/75 , B32B2519/00 , G09F2003/0201 , G09F2003/0202 , G09F2003/0225 , G09F2003/0241 , G09F2003/0255 , G09F2003/0257
Abstract: To provide an adhesive laminate suitable for high-mix low-volume production without blurring of printing due to external rubbing or the like, or a security label using the adhesive laminate. An adhesive laminate comprising at least one laser-printed layer capable of being printed by laser irradiation, wherein the laser-printed layer includes a laser-printed portion and a non-printed portion, an absolute value of a difference between the color L* values of the printed portion and the non-printed portion is 1.0 or more and 10.0 or less, and a pressure-sensitive adhesive layer is provided on at least one surface of the adhesive laminate.
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公开(公告)号：US20240203293A1
公开(公告)日：2024-06-20
申请号：US18287246
申请日：2022-03-16
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
CPC classification number: G09F3/02 , G09F3/04 , G09F2003/0201 , G09F2003/0225
Abstract: Provided is an in-mold label capable of recognizing the content thereof even when a display size is reduced as a container is downsized. The in-mold label comprises at least one laser-printed layer capable of being printed by laser irradiation. The laser-printed layer includes a laser-printed portion and a non-printed portion, and an absolute value of a difference between color L* values of the 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：US20240166414A1
公开(公告)日：2024-05-23
申请号：US18282911
申请日：2022-03-04
Applicant: TOYOBO CO., LTD.
Inventor： Shintaro ISHIMARU , Masayuki HARUTA
CPC classification number: B65D65/40 , B65D65/42 , B65D2203/02 , B65D2565/381
Abstract: The present invention is packaging comprising at least one laser printing layer printable by laser irradiation, in which the laser printing layer includes a laser-printed portion printed by laser and a non-printed portion, at least a part of the packaging is sealed by fusion cutting, and the packaging meets the following requirements of (1) to (3). In addition, the present invention provides packaging that has laser printing unaccompanied by peeling off and is formed by fusion-cut sealing with high productivity and economic efficiency. (1) the thickness of the laser printing layer is 5 μm or more and 200 μm or less; (2) the difference in color L* value between the laser-printed portion and the non-printed portion is 1.0 or more and 10 or less; and (3) the fusion-cut sealing strength is 5 N/15 mm or more and 40 N/15 mm or less.
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