JP2020055286A5 - - Google Patents
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- JP2020055286A5 JP2020055286A5 JP2019036671A JP2019036671A JP2020055286A5 JP 2020055286 A5 JP2020055286 A5 JP 2020055286A5 JP 2019036671 A JP2019036671 A JP 2019036671A JP 2019036671 A JP2019036671 A JP 2019036671A JP 2020055286 A5 JP2020055286 A5 JP 2020055286A5
- Authority
- JP
- Japan
- Prior art keywords
- film
- thermoplastic resin
- stretched plastic
- laminate
- plastic film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000565 sealant Substances 0.000 claims description 13
- 229920005992 thermoplastic resin Polymers 0.000 claims description 12
- 239000002985 plastic film Substances 0.000 claims description 11
- 229920006255 plastic film Polymers 0.000 claims description 11
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 239000004711 α-olefin Substances 0.000 claims description 2
- 239000012790 adhesive layer Substances 0.000 claims 4
- 239000012948 isocyanate Substances 0.000 claims 1
- 229920005862 polyol Polymers 0.000 claims 1
- 150000003077 polyols Chemical class 0.000 claims 1
Description
本発明は、積層体であって、第１延伸プラスチックフィルム、第２延伸プラスチックフィルム及びシーラントフィルムをこの順で少なくとも備え、前記第１延伸プラスチックフィルム及び前記第２延伸プラスチックフィルムは、ポリエステルを主成分として含む、積層体である。前記シーラントフィルムは、第１の熱可塑性樹脂と、第２の熱可塑性樹脂と、を含む単層の未延伸フィルムであってもよい。前記第１の熱可塑性樹脂は、プロピレン・エチレンブロック共重合体からなっていてもよい。第２の熱可塑性樹脂は、α－オレフィン共重合体又はポリエチレンを少なくとも含んでいてもよい。第１の熱可塑性樹脂の質量比率は、前記第２の熱可塑性樹脂の質量比率よりも高くてもよい。 The present invention is a laminate and includes at least a first stretched plastic film, a second stretched plastic film, and a sealant film in this order, and the first stretched plastic film and the second stretched plastic film are mainly composed of polyester. It is a laminated body including as. The sealant film may be a single-layer unstretched film containing a first thermoplastic resin and a second thermoplastic resin. The first thermoplastic resin may be made of a propylene / ethylene block copolymer. The second thermoplastic resin may contain at least an α-olefin copolymer or polyethylene. The mass ratio of the first thermoplastic resin may be higher than the mass ratio of the second thermoplastic resin.
本発明による積層体において、流れ方向における前記シーラントフィルムの引張伸度（％）と前記シーラントフィルムの厚み（μｍ）の積が、４５０００以上であってもよい。本発明による積層体において、流れ方向における前記シーラントフィルムの引張弾性率（ＭＰａ）と前記シーラントフィルムの厚み（μｍ）の積が、３８０００以下であってもよい。 In the laminated body according to the present invention, the product of the tensile elongation (%) of the sealant film and the thickness (μm) of the sealant film in the flow direction may be 45,000 or more. In the laminated body according to the present invention, the product of the tensile elastic modulus (MPa) of the sealant film and the thickness (μm) of the sealant film in the flow direction may be 38000 or less.
本発明は、上記記載の積層体を含む袋である。本発明の袋は、蒸気抜き機構を有していてもよい。 The present invention is a bag containing the above-mentioned laminate . The bag of the present invention may have a steam venting mechanism.
Claims (6)
第１延伸プラスチックフィルム、第２延伸プラスチックフィルム及びシーラントフィルムをこの順で少なくとも備え、
前記第１延伸プラスチックフィルム及び前記第２延伸プラスチックフィルムは、ポリエステルを主成分として含み、
前記シーラントフィルムは、第１の熱可塑性樹脂と、第２の熱可塑性樹脂と、を含む単層の未延伸フィルムであり、
前記第１の熱可塑性樹脂は、プロピレン・エチレンブロック共重合体からなり、
前記第２の熱可塑性樹脂は、α－オレフィン共重合体又はポリエチレンを少なくとも含み、
前記第１の熱可塑性樹脂の質量比率は、前記第２の熱可塑性樹脂の質量比率よりも高い、積層体。 It ’s a laminated body,
A first stretched plastic film, a second stretched plastic film and a sealant film are provided in this order at least.
The first stretched plastic film and the second stretched plastic film contain polyester as a main component and contain polyester as a main component.
The sealant film is a single-layer unstretched film containing a first thermoplastic resin and a second thermoplastic resin.
The first thermoplastic resin is made of a propylene / ethylene block copolymer.
The second thermoplastic resin contains at least an α-olefin copolymer or polyethylene and contains at least.
A laminate in which the mass ratio of the first thermoplastic resin is higher than the mass ratio of the second thermoplastic resin .
流れ方向における前記シーラントフィルムの引張弾性率（ＭＰａ）と前記シーラントフィルムの厚み（μｍ）の積が、３８０００以下である、請求項１に記載の積層体。 The product of the tensile elongation (%) of the sealant film and the thickness (μm) of the sealant film in the flow direction is 45,000 or more.
The laminate according to claim 1, wherein the product of the tensile elastic modulus (MPa) of the sealant film and the thickness (μm) of the sealant film in the flow direction is 38,000 or less.
前記第１接着剤層及び前記第２接着剤層はいずれも、ポリオールとイソシアネート化合物との硬化物を含み、且つ、２μｍ以上の厚みを有する、請求項１乃至４のいずれか一項に記載の積層体。 A first adhesive layer located between the first stretched plastic film and the second stretched plastic film, and a second adhesive layer located between the second stretched plastic film and the sealant film. Further preparation,
The first adhesive layer and the second adhesive layer both contain a cured product of a polyol and an isocyanate compound, and have a thickness of 2 μm or more, according to any one of claims 1 to 4 . Laminated body.
請求項１乃至５のいずれか一項に記載の積層体を含む、袋。A bag comprising the laminate according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022158766A JP7505529B2 (en) | 2018-02-28 | 2022-09-30 | Bags made of laminated materials |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018035561 | 2018-02-28 | ||
| JP2018035561 | 2018-02-28 | ||
| JP2018150848 | 2018-08-09 | ||
| JP2018150848 | 2018-08-09 | ||
| JP2018186125 | 2018-09-28 | ||
| JP2018186125 | 2018-09-28 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022158766A Division JP7505529B2 (en) | 2018-02-28 | 2022-09-30 | Bags made of laminated materials |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020055286A JP2020055286A (en) | 2020-04-09 |
| JP2020055286A5 true JP2020055286A5 (en) | 2022-01-12 |
| JP7479791B2 JP7479791B2 (en) | 2024-05-09 |
Family
ID=70106182
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019036671A Active JP7479791B2 (en) | 2018-02-28 | 2019-02-28 | Laminate and bag made of said laminate |
| JP2022158766A Active JP7505529B2 (en) | 2018-02-28 | 2022-09-30 | Bags made of laminated materials |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022158766A Active JP7505529B2 (en) | 2018-02-28 | 2022-09-30 | Bags made of laminated materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (2) | JP7479791B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7245445B2 (en) * | 2018-02-28 | 2023-03-24 | 大日本印刷株式会社 | Laminate and bag composed of the laminate |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3915371B2 (en) * | 2000-05-29 | 2007-05-16 | 大日本インキ化学工業株式会社 | Laminate adhesive composition with excellent hot water resistance |
| JP2005313344A (en) | 2004-04-27 | 2005-11-10 | Toppan Printing Co Ltd | Laminated material |
| JP2006143223A (en) | 2004-11-16 | 2006-06-08 | Dainippon Printing Co Ltd | Packaging bag for microwave heating |
| WO2006107048A1 (en) * | 2005-04-04 | 2006-10-12 | Dai Nippon Printing Co., Ltd. | Packaging bag |
| JP5672060B2 (en) | 2011-02-24 | 2015-02-18 | 東レフィルム加工株式会社 | Sealant film for polypropylene retort packaging and laminate thereof |
| JP6461462B2 (en) | 2013-05-27 | 2019-01-30 | 大日本印刷株式会社 | container |
| JP6598424B2 (en) * | 2014-02-18 | 2019-10-30 | 凸版印刷株式会社 | Gas barrier laminate |
| JP6331595B2 (en) | 2014-03-31 | 2018-05-30 | 大日本印刷株式会社 | Pouch |
| KR20240053004A (en) | 2015-08-31 | 2024-04-23 | 도레이 필름 카코우 가부시키가이샤 | Retort-packaging polypropylene-based sealant film and laminate using same |
| JP2017178357A (en) | 2016-03-30 | 2017-10-05 | 東洋製罐株式会社 | Packaging bag |
-
2019
- 2019-02-28 JP JP2019036671A patent/JP7479791B2/en active Active
-
2022
- 2022-09-30 JP JP2022158766A patent/JP7505529B2/en active Active
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