JP4931062B2 - バッグ・イン・ボックス包装フィルム - Google Patents
バッグ・イン・ボックス包装フィルム Download PDFInfo
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- JP4931062B2 JP4931062B2 JP2007059025A JP2007059025A JP4931062B2 JP 4931062 B2 JP4931062 B2 JP 4931062B2 JP 2007059025 A JP2007059025 A JP 2007059025A JP 2007059025 A JP2007059025 A JP 2007059025A JP 4931062 B2 JP4931062 B2 JP 4931062B2
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Landscapes
- Bag Frames (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Description
2.前記樹脂層(2)のエチレンαオレフィン共重合体が、シングルサイト系触媒を用いて重合された密度が0.912g/cm3以上0.927g/cm3以下の樹脂であることを特徴とする上記1.に記載の多層ラミネートフィルム。
3.前記樹脂層(2)には、高圧法低密度ポリエチレンが5wt%以上50wt%未満の範囲内で含有されていることを特徴とする上記1.または2.に記載の多層ラミネートフィルム。
5.前記フィルム層(3)のエチレンαオレフィン共重合体が、シングルサイト系触媒を用いて重合された密度が0.908g/cm3以上0.925g/cm3以下のエチレンαオレフィン共重合体と、表面硬度が55以上88以下で、ねじり剛性が15g/cm2以上130g/cm2以下で、密度が0.865g/cm3以上0.894g/cm3以下で、かつ低結晶性もしくは非晶性であるエチレンαオレフィン共重合体との、混合樹脂であることを特徴とする上記1.〜3.のいずれかに記載の多層ラミネートフィルム。
6.前記油脂類が、植物由来の油脂類であることを特徴とする上記1.〜5.のいずれかに記載の多層ラミネートフィルム。
7.上記1.〜6.のいずれかに記載の多層ラミネートフィルムより形成された油脂包装用バッグ・イン・ボックス。
<密度>
<MI(メルトインデックス)>
<引張強度、引張伸度、引張弾性率>
<ブロッキング接着強度>
<耐ピンホール性>
(実施例1)
(比較例1)
1a・・・接着層
2・・・・樹脂層(2)
3a・・・フィルム層(3)を構成する2層のうちの1層
3b・・・フィルム層(3)を構成する2層のうちの他層
4・・・・ピロー包装袋
5a・・・横シール部
5b・・・縦シール部
6・・・・図3の断面位置を示す破線
7・・・・ヒートシール面
8・・・・油脂類
Claims (7)
- 二軸延伸ナイロンフィルムまたは二軸延伸ポリエステルフィルムよりなるフィルム層(1)と、接着層と、エチレンαオレフィン共重合体を主成分とする樹脂層(2)と、エチレンαオレフィン共重合体を主成分として相互にブロッキング接着した二層以上のフィルム層からなるフィルム層(3)とが、順に積層されており、前記樹脂層(2)のエチレンαオレフィン共重合体は、前記フィルム層(3)のエチレンαオレフィン共重合体より高密度であり、さらにバッグ・イン・ボックス形式による油脂類包装用であることを特徴とする多層ラミネートフィルム。
- 前記樹脂層(2)のエチレンαオレフィン共重合体が、シングルサイト系触媒を用いて重合された密度が0.912g/cm3以上0.927g/cm3以下の樹脂であることを特徴とする請求項1に記載の多層ラミネートフィルム。
- 前記樹脂層(2)には、高圧法低密度ポリエチレンが5wt%以上50wt%未満の範囲内で含有されていることを特徴とする請求項1または請求項2に記載の多層ラミネートフィルム。
- 前記フィルム層(3)のエチレンαオレフィン共重合体が、マルチサイト系触媒を用いて重合されて密度が0.908g/cm3以上0.925g/cm3以下の樹脂であることを特徴とする請求項1〜3のいずれかに記載の多層ラミネートフィルム。
- 前記フィルム層(3)のエチレンαオレフィン共重合体が、シングルサイト系触媒を用いて重合された密度が0.908g/cm3以上0.925g/cm3以下のエチレンαオレフィン共重合体と、表面硬度が55以上88以下で、ねじり剛性が15g/cm2以上130g/cm2以下で、密度が0.865g/cm3以上0.894g/cm3以下で、かつ低結晶性もしくは非晶性であるエチレンαオレフィン共重合体との、混合樹脂であることを特徴とする請求項1〜3のいずれかに記載の多層ラミネートフィルム。
- 前記油脂類が、植物由来の油脂類であることを特徴とする請求項1〜5のいずれかに記載の多層ラミネートフィルム。
- 請求項1〜6のいずれかに記載の多層ラミネートフィルムより形成された油脂包装用バッグ・イン・ボックス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007059025A JP4931062B2 (ja) | 2007-03-08 | 2007-03-08 | バッグ・イン・ボックス包装フィルム |
Applications Claiming Priority (1)
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JP2007059025A JP4931062B2 (ja) | 2007-03-08 | 2007-03-08 | バッグ・イン・ボックス包装フィルム |
Publications (2)
Publication Number | Publication Date |
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JP2008221485A JP2008221485A (ja) | 2008-09-25 |
JP4931062B2 true JP4931062B2 (ja) | 2012-05-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007059025A Active JP4931062B2 (ja) | 2007-03-08 | 2007-03-08 | バッグ・イン・ボックス包装フィルム |
Country Status (1)
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JP (1) | JP4931062B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6584199B2 (ja) * | 2014-12-10 | 2019-10-02 | 共同印刷株式会社 | 包装袋及びその製造方法 |
JP6589515B2 (ja) * | 2015-09-29 | 2019-10-16 | 凸版印刷株式会社 | カートン一体型パウチ |
JP2018134878A (ja) * | 2018-05-25 | 2018-08-30 | 大日本印刷株式会社 | 積層フィルムの製造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH072255A (ja) * | 1993-04-22 | 1995-01-06 | Showa Denko Kk | ポリエチレン製袋 |
JPH08136389A (ja) * | 1994-11-11 | 1996-05-31 | Fujitsu Ltd | 気密試験装置と気密試験方法 |
JP3515194B2 (ja) * | 1994-11-11 | 2004-04-05 | 旭化成パックス株式会社 | バッグインボックス用包装材料 |
JPH09169359A (ja) * | 1995-10-18 | 1997-06-30 | Mitsui Petrochem Ind Ltd | バッグインボックス用ポリエチレン樹脂製内装容器、その内装容器を用いた流体の保管・輸送容器、および流体の輸送方法 |
JPH10147370A (ja) * | 1996-11-13 | 1998-06-02 | Toppan Printing Co Ltd | バッグインボックス内袋 |
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JP2003292024A (ja) * | 2002-03-29 | 2003-10-15 | Dainippon Printing Co Ltd | バッグインボックスの内袋 |
JP2005289471A (ja) * | 2004-04-01 | 2005-10-20 | Taisei Lamick Co Ltd | 耐熱性およびヒートシール性にすぐれる包装用フィルム |
CA2581672C (en) * | 2004-10-01 | 2010-02-16 | Orihiro Co., Ltd. | Pillow packaging bag, pillow type packaging body, heat seal bar for pillow packaging machine, and pillow packaging machine |
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