JP2021130301A - 再生可能なレトルトパウチ及びその再生可能なレトルトポリエステルフィルム - Google Patents
再生可能なレトルトパウチ及びその再生可能なレトルトポリエステルフィルム Download PDFInfo
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Abstract
Description
[第1の実施形態]
[第2の実施形態]
[熱浸透試験]
[実施形態による有益な効果]
10 ヒートシール層
20 ポリエステル層
30 プリント層
Claims (7)
- イソフタル酸、ネオペンチルグリコール、ポリブチレンテレフタレート、1,4−シクロヘキサンジメタノール、及びポリエチレンテレフタレート−1,4−シクロヘキサンジメタノールで形成されるヒートシール層と、
前記ヒートシール層に形成され、ポリエステル組成物で形成される少なくとも1つのポリエステル層と、
を含む、再生可能なレトルトポリエステルフィルムであって、
前記ポリエステル組成物は、ポリエステル樹脂を含み、前記ポリエステル樹脂は、PETボトルチップを回収し、それに物理的再生プロセスまたは化学的再生プロセスを行って製造したポリエステル樹脂を含み、前記ポリエステル樹脂は、0.62dl/g〜1.0dl/gである固有粘度を有する、再生可能なレトルトポリエステルフィルム。 - 前記ポリエステル組成物はさらに、酸化防止成分、造核剤、及び流動促進剤を含む、請求項1に記載の再生可能なレトルトポリエステルフィルム。
- 前記ポリエステル組成物の総重量に基づいて、前記ポリエステル組成物に前記ポリエステル樹脂95wt%〜99wt%と、前記酸化防止成分0.5wt%〜2wt%と、前記造核剤0.5wt%〜2wt%と、前記流動促進剤0.1wt%〜0.5wt%とを含む、請求項2に記載の再生可能なレトルトポリエステルフィルム。
- 前記酸化防止成分は、一次酸化防止剤50wt%〜60wt%及び二次酸化防止剤40wt%〜50wt%を含む、請求項3に記載の再生可能なレトルトポリエステルフィルム。
- 少なくとも1つの前記ポリエステル層に形成されると共に、水性ポリエステル樹脂、水性ポリウレタン樹脂及び水性アクリル樹脂からなる群から選ばれる1種または2種以上と、硬化剤とで形成されるプリント層、をさらに含む、請求項1に記載の再生可能なレトルトポリエステルフィルム。
- 前記プリント層は、コロナ処理された表面を有する、請求項5に記載の再生可能なレトルトポリエステルフィルム。
- 請求項1乃至請求項6のいずれか1項に記載の再生可能なレトルトポリエステルフィルムで作られる、再生可能なレトルトパウチ。
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TW109105253A TWI727665B (zh) | 2020-02-19 | 2020-02-19 | 可回收蒸煮袋及其可回收蒸煮聚酯膜 |
TW109105253 | 2020-02-19 |
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Cited By (6)
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WO2024024941A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | 二軸配向ポリエステルフィルム、積層体、および包装容器 |
WO2024024954A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | ガスバリアフィルム、積層体、および包装容器 |
WO2024024952A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | 二軸配向ポリエステルフィルム、積層体、および包装容器 |
WO2024024959A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | ガスバリアフィルム、積層体、および包装容器 |
WO2024024960A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | ガスバリアフィルム、積層体、および包装容器 |
WO2024024947A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | 二軸配向ポリエステルフィルム、積層体、および包装容器 |
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TWM598286U (zh) * | 2020-04-27 | 2020-07-11 | 大江生醫股份有限公司 | 具海洋回收塑料層的積層膜的包裝體 |
WO2023004097A1 (en) * | 2021-07-22 | 2023-01-26 | Board Of Trustees Of Michigan State University | Polyester multilayer plastics and related methods |
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WO2024024947A1 (ja) * | 2022-07-29 | 2024-02-01 | 東洋紡株式会社 | 二軸配向ポリエステルフィルム、積層体、および包装容器 |
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US20210252845A1 (en) | 2021-08-19 |
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