JP2021172359A - 包装体及び包装体の製造方法 - Google Patents
包装体及び包装体の製造方法 Download PDFInfo
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Abstract
Description
前記ポリオレフィン樹脂層が、1層又は2層以上に積層されたポリオレフィン樹脂からなり、前記内容物と接していてもよい。
前記ポリオレフィン樹脂層が、ポリエチレン樹脂からなってもよい。
前記表面皮膜が、アルミニウム水和酸化物を含有してもよい。
前記表面皮膜が、ベーマイト層からなってもよい。
前記内容物が、酸化剤と反応し得る染料を含有する染毛剤であってもよい。
ポリエチレン樹脂としては、エチレンの単独重合体(ホモポリマー)、エチレンと他のオレフィンとの共重合体などが挙げられる。ポリエチレン樹脂に共重合させる他のオレフィンとしては、プロピレン又は炭素原子数4〜18のα−オレフィンから選択される1種以上が挙げられる。ポリエチレン樹脂の具体例としては、高圧法低密度ポリエチレン、高密度ポリエチレン、中密度ポリエチレン、直鎖状低密度ポリエチレン、超低密度ポリエチレン等が挙げられる。ポリプロピレン樹脂としては、プロピレンの単独重合体(ホモポリマー)、プロピレンと他のオレフィンとの共重合体などが挙げられる。ポリプロピレン樹脂に共重合させる他のオレフィンとしては、エチレン又は炭素原子数4〜18のα−オレフィンから選択される1種以上が挙げられる。炭素原子数4〜18のα−オレフィンとしては、1−ブテン、4−メチル−1−ペンテン、1−ヘキセン、1−オクテン、1−デセン、1−ドデセン、1−オクタデセンなどが挙げられる。
Claims (10)
- アルミニウム層を有する積層体からなる包装容器に、アンモニア及び水を含有する内容物を充填してなる包装体であって、
前記積層体は、前記アルミニウム層の前記内容物に近い側の面にアルミニウム酸化物を含む表面皮膜を有し、前記表面皮膜は、前記アルミニウム層とは反対側の面でポリオレフィン樹脂層と接していることを特徴とする包装体。 - 前記ポリオレフィン樹脂層には、前記内容物に含有されるアンモニアが浸透していることを特徴とする請求項1に記載の包装体。
- 前記ポリオレフィン樹脂層が、1層又は2層以上に積層されたポリオレフィン樹脂からなり、前記内容物と接していることを特徴とする請求項1又は2に記載の包装体。
- 前記ポリオレフィン樹脂層が、ポリエチレン樹脂からなることを特徴とする請求項1〜3のいずれか1項に記載の包装体。
- 前記ポリオレフィン樹脂層が、前記表面皮膜に接する側の面に、前記ポリオレフィン樹脂層の表面処理による酸素官能基を有することを特徴とする請求項1〜4のいずれか1項に記載の包装体。
- 前記表面皮膜が、アルミニウム水和酸化物を含有することを特徴とする請求項1〜5のいずれか1項に記載の包装体。
- 前記表面皮膜が、ベーマイト層からなることを特徴とする請求項6に記載の包装体。
- 前記内容物が、酸化剤と反応し得る染料を含有する染毛剤であることを特徴とすることを特徴とする請求項1〜7のいずれか1項に記載の包装体。
- アルミニウム層を有する積層体からなる包装容器に、アンモニア及び水を含有する内容物を充填してなる包装体の製造方法であって、
アルミニウム層の前記内容物に近い側の面に接してポリオレフィン樹脂層を有する積層体からなる包装容器を作製する容器作製工程と、
前記容器作製工程で作製した包装容器に、アンモニア及び水を含有する内容物を充填する充填工程と、
前記内容物に含有されるアンモニアを前記ポリオレフィン樹脂層に浸透させて、前記アルミニウム層の前記内容物に近い側の面にアルミニウム酸化物を含む表面皮膜を形成する作用工程と、を含むことを特徴とする包装体の製造方法。 - 前記容器作製工程に先立って、前記ポリオレフィン樹脂層の前記アルミニウム層に接する側の面に、前記ポリオレフィン樹脂層の表面処理により酸素官能基を形成することを特徴とする請求項9に記載の包装体の製造方法。
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JPS5413588A (en) * | 1977-07-04 | 1979-02-01 | Toyo Ink Mfg Co Ltd | Production of laminate |
JP2005153980A (ja) * | 2003-11-28 | 2005-06-16 | Toppan Printing Co Ltd | 包装袋 |
JP2019199291A (ja) * | 2018-05-18 | 2019-11-21 | 凸版印刷株式会社 | 包装袋の製造方法および包装袋 |
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JP2002298796A (ja) | 2001-03-30 | 2002-10-11 | Tokai Aluminum Foil Co Ltd | 外装材 |
JP2014221539A (ja) | 2013-05-14 | 2014-11-27 | 藤森工業株式会社 | 金属とポリオレフィン樹脂の接合方法及び積層体 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS5413588A (en) * | 1977-07-04 | 1979-02-01 | Toyo Ink Mfg Co Ltd | Production of laminate |
JP2005153980A (ja) * | 2003-11-28 | 2005-06-16 | Toppan Printing Co Ltd | 包装袋 |
JP2019199291A (ja) * | 2018-05-18 | 2019-11-21 | 凸版印刷株式会社 | 包装袋の製造方法および包装袋 |
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