JP2020196529A - 包装紙及び包装袋 - Google Patents
包装紙及び包装袋 Download PDFInfo
- Publication number
- JP2020196529A JP2020196529A JP2019105633A JP2019105633A JP2020196529A JP 2020196529 A JP2020196529 A JP 2020196529A JP 2019105633 A JP2019105633 A JP 2019105633A JP 2019105633 A JP2019105633 A JP 2019105633A JP 2020196529 A JP2020196529 A JP 2020196529A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- paper
- adhesive
- gas barrier
- coating
- 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.)
- Granted
Links
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 8
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- GNHOJBNSNUXZQA-UHFFFAOYSA-J potassium aluminium sulfate dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GNHOJBNSNUXZQA-UHFFFAOYSA-J 0.000 description 1
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Images
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
Description
カラム :東ソー株式会社製 TSK−GUARDCOLUMN SuperHZ−L
+東ソー株式会社製 TSK−GEL SuperHZM−M×4
検出器 :RI(示差屈折計)
データ処理:東ソー株式会社製 マルチステーションGPC−8020modelII
測定条件:カラム温度 40℃
溶媒 テトラヒドロフラン
流速 0.35mL/分
標準 :単分散ポリスチレン
試料 :樹脂固形分換算で0.2質量%のテトラヒドロフラン溶液(溶媒に1vol%のジブチルアミンを含む)をマイクロフィルターでろ過したもの(100μL)
(b)3個以上の水酸基を有するポリエステルポリオールにカルボン酸無水物又はポリカルボン酸を反応させることにより得られるポリエステルポリオール
(c)重合性炭素−炭素二重結合を有するポリエステルポリオール
(d)グリセロール骨格を有するポリエステルポリオール
(e)イソシアヌル環を有するポリエステルポリオール
比較例の包装袋1の包装紙は実施例と同一のコート紙26及び熱接着性樹脂層28をウレタン系のドライラミネート用接着剤を介してドライラミネートした。ドライラミネート用接着剤はガスバリア性を有していない。
2 背シール部
3 端縁シール部
4 胴部
20 包装紙
21 コーティング層
21a 第1バリア層
21b 第2バリア層
25 紙基材
26 コート紙
27 接着層
28 熱接着性樹脂層
Claims (4)
- 紙基材と、前記紙基材の一面にコーティングされたコーティング層と、前記紙基材の他面に接着層を介して配される熱接着性樹脂層とを備えた包装紙において、前記コーティング層がガスバリア性を有するとともに、前記接着層がガスバリア性接着剤により形成されることを特徴とする包装紙。
- 前記ガスバリア性接着剤が、1分子中に2個以上の水酸基を有する樹脂から成る主剤と、2価以上のイソシアネート基を有するポリイソシアネートから成る硬化剤とを含有した無溶剤型接着剤であることを特徴とする請求項1に記載の包装紙。
- 前記コーティング層がポリビニルアルコール及びカオリンを含有することを特徴とする請求項1または請求項2に記載の包装紙。
- 請求項1〜請求項3のいずれかに記載の包装紙により形成されることを特徴とする包装袋。
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WO2022190999A1 (ja) * | 2021-03-10 | 2022-09-15 | 凸版印刷株式会社 | ガスバリア性積層体およびそれを備える包装材 |
Citations (6)
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JP2004204366A (ja) * | 2002-12-24 | 2004-07-22 | Toppan Printing Co Ltd | 防湿紙およびそれを用いた包装紙、包装袋または紙製容器。 |
JP2011525863A (ja) * | 2008-03-14 | 2011-09-29 | テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム | 包装ラミネート、包装ラミネートを製造するための方法、及びこれらから製造された包装容器 |
JP2013147013A (ja) * | 2011-12-22 | 2013-08-01 | Dic Corp | 透明蒸着層を含む層を有するガスバリア性多層フィルム |
JP5765510B1 (ja) * | 2013-11-27 | 2015-08-19 | Dic株式会社 | ガスバリア性接着剤用樹脂組成物、及び接着剤 |
JP2018001539A (ja) * | 2016-06-30 | 2018-01-11 | Dic株式会社 | 積層体、及び積層体を用いた包装材 |
WO2019069963A1 (ja) * | 2017-10-04 | 2019-04-11 | 日本製紙株式会社 | バリア素材 |
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2019
- 2019-06-05 JP JP2019105633A patent/JP7375338B2/ja active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2004204366A (ja) * | 2002-12-24 | 2004-07-22 | Toppan Printing Co Ltd | 防湿紙およびそれを用いた包装紙、包装袋または紙製容器。 |
JP2011525863A (ja) * | 2008-03-14 | 2011-09-29 | テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム | 包装ラミネート、包装ラミネートを製造するための方法、及びこれらから製造された包装容器 |
JP2013147013A (ja) * | 2011-12-22 | 2013-08-01 | Dic Corp | 透明蒸着層を含む層を有するガスバリア性多層フィルム |
JP5765510B1 (ja) * | 2013-11-27 | 2015-08-19 | Dic株式会社 | ガスバリア性接着剤用樹脂組成物、及び接着剤 |
JP2018001539A (ja) * | 2016-06-30 | 2018-01-11 | Dic株式会社 | 積層体、及び積層体を用いた包装材 |
WO2019069963A1 (ja) * | 2017-10-04 | 2019-04-11 | 日本製紙株式会社 | バリア素材 |
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WO2022190999A1 (ja) * | 2021-03-10 | 2022-09-15 | 凸版印刷株式会社 | ガスバリア性積層体およびそれを備える包装材 |
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