JP2016056231A5 - Biaxially stretched polyester film, packaging bag using the same - Google Patents

Biaxially stretched polyester film, packaging bag using the same Download PDF

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Publication number
JP2016056231A5
JP2016056231A5 JP2014181344A JP2014181344A JP2016056231A5 JP 2016056231 A5 JP2016056231 A5 JP 2016056231A5 JP 2014181344 A JP2014181344 A JP 2014181344A JP 2014181344 A JP2014181344 A JP 2014181344A JP 2016056231 A5 JP2016056231 A5 JP 2016056231A5
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film
biaxially stretched
stretched polyester
layer
region
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JP2014181344A
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Japanese (ja)
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JP2016056231A (en
JP6048464B2 (en
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Priority claimed from JP2014181344A external-priority patent/JP6048464B2/en
Priority to JP2014181344A priority Critical patent/JP6048464B2/en
Priority to TW104118863A priority patent/TWI648118B/en
Priority to CN201580025514.5A priority patent/CN106459454A/en
Priority to PCT/JP2015/002944 priority patent/WO2015190110A1/en
Priority to EP15805886.7A priority patent/EP3130629B1/en
Priority to KR1020167031732A priority patent/KR101944170B1/en
Publication of JP2016056231A publication Critical patent/JP2016056231A/en
Publication of JP2016056231A5 publication Critical patent/JP2016056231A5/en
Priority to US15/366,329 priority patent/US10808092B2/en
Publication of JP6048464B2 publication Critical patent/JP6048464B2/en
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Expired - Fee Related legal-status Critical Current
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Description

また、本発明の他の局面は、２軸延伸ポリエステルの層を表面に含む積層体からなるフィルムであって、２軸延伸ポリエステルの層の一部の領域に、表面が平坦でない微細構造が形成されているフィルムである。 Another aspect of the present invention is a film comprising a laminate including a biaxially stretched polyester layer on the surface, and a fine structure having a non-flat surface is formed in a partial region of the biaxially stretched polyester layer. It is a film that has been.

また、本発明の他の局面は、２軸延伸ポリエステルの層を両表面にそれぞれ含み、各２軸延伸ポリエステルの層の間に熱可塑性樹脂層を含む積層体からなるフィルムであって、各２軸延伸ポリエステルの層の一部の領域に、表面が平坦でない微細構造が形成されているフィルムである。 Another aspect of the present invention is a each comprise a layer of biaxially oriented polyester on both surfaces, a laminate comprising a thermoplastic resin layer between the layers of the biaxially oriented polyester film, each 2 It is a film in which a fine structure whose surface is not flat is formed in a partial region of the axially stretched polyester layer.

また、本発明の他の局面は、２軸延伸ポリエステルの層を一表面側に含み、２軸延伸ポリエステルの層の他の表面側に熱可塑性樹脂層を含む積層体からなるフィルムであって、２軸延伸ポリエステルの層の一部の領域に、表面が平坦でない微細構造が形成されているフィルムである。 Another aspect of the present invention is a film comprising a laminate including a biaxially stretched polyester layer on one surface side and a thermoplastic resin layer on the other surface side of the biaxially stretched polyester layer, It is a film in which a fine structure having a non-flat surface is formed in a partial region of the biaxially stretched polyester layer.

また、本発明の他の局面は、１以上の上述のフィルムを含み、フィルムの一部の領域どうしがヒートシールされている包装袋である。 Another aspect of the present invention is a packaging bag that includes one or more of the above-described films, and in which some regions of the film are heat-sealed.

Claims (8)

２軸延伸ポリエステルの層を表面に含む積層体からなるフィルムであって、前記２軸延伸ポリエステルの層の一部の領域に、表面が平坦でない微細構造が形成されているフィルム。 A film comprising a laminate including a biaxially stretched polyester layer on the surface, wherein a fine structure having a non-flat surface is formed in a partial region of the biaxially stretched polyester layer. 前記積層体は、レーザー光を反射するアルミニウム層を含む、請求項１に記載のフィルム。   The film according to claim 1, wherein the laminate includes an aluminum layer that reflects laser light. ２軸延伸ポリエステルの層を両表面にそれぞれ含み、各前記２軸配向ポリエステルの層の間に熱可塑性樹脂層を含む積層体からなるフィルムであって、各前記２軸延伸ポリエステルの層の一部の領域に、表面が平坦でない微細構造が形成されているフィルム。 A biaxially stretched polyester layer on each surface, a film comprising a laminate comprising a thermoplastic resin layer between each of the biaxially oriented polyester layers, a part of each of the biaxially stretched polyester layers A film in which a fine structure having a non-flat surface is formed in the region. ２軸延伸ポリエステルの層を一表面側に含み、前記２軸配向ポリエステルの層の他の表面側に熱可塑性樹脂層を含む積層体からなるフィルムであって、前記２軸延伸ポリエステルの層の一部の領域に、表面が平坦でない微細構造が形成されているフィルム。 A film comprising a laminate including a biaxially stretched polyester layer on one surface side and a thermoplastic resin layer on the other surface side of the biaxially oriented polyester layer, A film in which a fine structure whose surface is not flat is formed in the region of the part. 前記微細構造として、連続線状、断続線状及び点状の少なくとも１つの凸形状または凹形状が複数形成されている、請求項１〜４のいずれかに記載のフィルム。 As the microstructure, continuous linear, intermittent linear and punctiform least one convex or concave shape is formed with a plurality of film according to any one of claims 1 to 4. 前記微細構造の形成された領域の光の反射率は、他の領域の光の反射率よりも大きい、請求項１〜５のいずれかに記載のフィルム。 The reflectance of the light of the formed regions of the microstructure is greater than the reflectance of light in the other regions, a film according to any one of claims 1-5. 前記微細構造の形成された領域において、前記２軸延伸ポリエステルの層の表面の分子配向性が、他の領域に比べて、少なくとも部分的に低下または消失している、請求項１〜６のいずれかに記載のフィルム。 In region formed of the microstructure, the molecular orientation of the surface of the layer of the biaxially oriented polyester, as compared with other regions, are at least partially reduced or eliminated, any claims 1 to 6, The film of crab. １以上の請求項１〜７に記載のフィルムを含み、前記フィルムの前記一部の領域どうしがヒートシールされている包装袋。 It includes film according to one or more of claims 1 to 7, a packaging bag wherein the each other partial region of the film has been heat sealed.
JP2014181344A 2014-06-12 2014-09-05 Method for imparting heat sealability to biaxially stretched polyester film Expired - Fee Related JP6048464B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2014181344A JP6048464B2 (en) 2014-09-05 2014-09-05 Method for imparting heat sealability to biaxially stretched polyester film
EP15805886.7A EP3130629B1 (en) 2014-06-12 2015-06-11 Method for imparting heat sealability to biaxially oriented polyester film, and method for producing packaging container
CN201580025514.5A CN106459454A (en) 2014-06-12 2015-06-11 Method for imparting heat sealability to biaxially oriented polyester film, and method for producing packaging container
PCT/JP2015/002944 WO2015190110A1 (en) 2014-06-12 2015-06-11 Method for imparting heat sealability to biaxially oriented polyester film, and method for producing packaging container
TW104118863A TWI648118B (en) 2014-06-12 2015-06-11 Method for imparting heat sealability of biaxially oriented polyester film, and method for producing packaging container
KR1020167031732A KR101944170B1 (en) 2014-06-12 2015-06-11 Method for imparting heat sealability to biaxially oriented polyester film, and method for producing packaging container
US15/366,329 US10808092B2 (en) 2014-06-12 2016-12-01 Method for imparting heat sealability to a biaxially oriented polyester film, and method for producing a packaging container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014181344A JP6048464B2 (en) 2014-09-05 2014-09-05 Method for imparting heat sealability to biaxially stretched polyester film

Publications (3)

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JP2016056231A JP2016056231A (en) 2016-04-21
JP2016056231A5 true JP2016056231A5 (en) 2016-06-09
JP6048464B2 JP6048464B2 (en) 2016-12-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018001730A (en) * 2016-07-08 2018-01-11 凸版印刷株式会社 Laminate
JP6855703B2 (en) * 2016-08-22 2021-04-07 凸版印刷株式会社 Heat seal method
JP6897049B2 (en) * 2016-10-04 2021-06-30 凸版印刷株式会社 Film and film manufacturing method
WO2022004186A1 (en) * 2020-06-29 2022-01-06 東洋製罐グループホールディングス株式会社 Surface treatment method, film, and packaging bag using same

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JP2819555B2 (en) * 1987-03-16 1998-10-30 ミネソタ マイニング アンド マニュファクチュアリング カンパニー Method for modifying surface of semicrystalline polymer and semicrystalline polymer article having the modified surface
JP3463486B2 (en) * 1996-11-06 2003-11-05 東洋製罐株式会社 Processing method of resin surface

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