KR102229773B1 - 그래핀을 포함하는 레토르트 식품 포장용 필름 - Google Patents
그래핀을 포함하는 레토르트 식품 포장용 필름 Download PDFInfo
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- KR102229773B1 KR102229773B1 KR1020200131682A KR20200131682A KR102229773B1 KR 102229773 B1 KR102229773 B1 KR 102229773B1 KR 1020200131682 A KR1020200131682 A KR 1020200131682A KR 20200131682 A KR20200131682 A KR 20200131682A KR 102229773 B1 KR102229773 B1 KR 102229773B1
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- graphene
- food packaging
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Abstract
Description
도 2는, 본원의 일 실시예에 있어서, 그래핀의 함량에 따른 레토르트 식품 포장재의 성형 터짐 깊이를 측정한 그래프이다.
20 : 코어층
30 : 표면층
40 : 접착제층
401 : 제 1 접착제층
402 : 제 2 접착제층
Claims (13)
- 실란트층;
상기 실란트층 상에 형성되는 제 1 접착제층;
상기 제 1 접착제층 상에 형성되는 코어층;
상기 코어층 상에 형성되는 제 2 접착제층; 및
상기 제 2 접착제층 상에 형성되는 표면층
을 포함하는, 레토르트 식품 포장용 필름으로서,
상기 실란트층, 상기 제 1 접착제층, 상기 제 2 접착제층 및 상기 표면층 중 하나 이상의 층이 그래핀을 포함하는 것이고,
상기 그래핀이 상기 레토르트 식품 포장용 필름 전체의 내구성을 증가시키고, 기체 투과성 및 수분 투과성을 감소시키는 것이고,
상기 코어층은 알루미늄 호일 또는 알루미늄 증착층을 포함하는 것이고,
상기 그래핀의 함량은 상기 코어층을 제외한 각층 100 중량부에 대해 0.005 중량부 내지 3 중량부인 것인,
레토르트 식품 포장용 필름.
- 제 1 항에 있어서,
상기 코어층의 두께는 5 μm 내지 60 μm인 것인, 레토르트 식품 포장용 필름.
- 삭제
- 제 1 항에 있어서,
상기 제 1 접착제층, 상기 제 2 접착제층 각각, 또는 이들 모두가 상기 그래핀을 포함하고,
상기 그래핀의 함량은 상기 제 1 접착제층 및 상기 제 2 접착제층 각각 100 중량부에 대해 0.005 중량부 내지 3 중량부인 것인, 레토르트 식품 포장용 필름.
- 제 1 항에 있어서,
상기 실란트층은 상기 그래핀을 포함하고,
상기 그래핀의 함량은 상기 실란트층 100 중량부에 대해 0.005 중량부 내지 3 중량부인 것인, 레토르트 식품 포장용 필름.
- 제 1 항에 있어서,
상기 표면층은 상기 그래핀을 포함하고,
상기 그래핀의 함량은 상기 표면층 100 중량부에 대해 0.005 중량부 내지 3 중량부인 것인, 레토르트 식품 포장용 필름.
- 제 1 항에 있어서,
상기 그래핀은 그래핀, 그래핀 옥사이드(GO), 환원된 그래핀 옥사이드(rGO), 그래핀 나노플레이트렛, 및 이들의 조합들로 이루어진 군으로부터 선택되는 것인, 레토르트 식품 포장용 필름.
- 제 1 항에 있어서,
상기 실란트층은 폴리프로필렌(PP), 무연신 폴리프로필렌(casting polypropylene, CPP) 또는 무연신 공압출 폴리프로필렌(Coextruded Cast Polypropylene, CPR)을 포함하는 것인, 레토르트 식품 포장용 필름.
- 제 1 항에 있어서,
상기 제 1 접착제층 및 상기 제 2 접착제층은 폴리우레탄계 접착제, 아크릴계 접착제, 에폭시계 접착제, 폴리올레핀계 접착제, 일래스토머계 접착제 또는 불소계 접착제를 포함하는 것인, 레토르트 식품 포장용 필름.
- 삭제
- 제 1 항에 있어서,
상기 표면층은 나일론(NY), 폴리에틸렌테레프탈레이트(PET), 폴리프로필렌(PP) 또는 폴리아미드(PA)를 포함하는 것인, 레토르트 식품 포장용 필름.
- 실란트층, 코어층 및 표면층을 각각 형성하고,
상기 실란트층, 상기 코어층 및 상기 표면층의 순서로 라미네이트 시키는 것
을 포함하는, 제 1 항에 따른 레토르트 식품 포장용 필름의 제조 방법으로서,
상기 실란트층과 상기 코어층 사이에 제 1 접착제층, 및 상기 코어층과 상기 표면층 사이에 제 2 접착제층을 포함하고,
상기 실란트층, 상기 제 1 접착제층, 상기 제 2 접착제층 및 상기 표면층 중 하나 이상의 층이 그래핀을 포함하는 것인,
레토르트 식품 포장용 필름의 제조 방법.
- 제 12 항에 있어서,
상기 코어층의 두께가 5 μm 내지 60 μm인 것인, 레토르트 식품 포장용 필름의 제조 방법.
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JP2020176182A JP2021066532A (ja) | 2019-10-23 | 2020-10-20 | グラフェンを含むレトルト食品包装用フィルム |
EP20203149.8A EP3812148A1 (en) | 2019-10-23 | 2020-10-21 | Retort foood packaging film containing graphene |
CN202011136932.0A CN112693186A (zh) | 2019-10-23 | 2020-10-22 | 包含石墨烯的蒸煮食品包装用膜 |
US17/078,205 US20210122543A1 (en) | 2019-10-23 | 2020-10-23 | Retort food packaging film containing graphene |
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JP2021068705A (ja) * | 2019-10-23 | 2021-04-30 | 韓国アルミニウム株式会社 | グラフェンを含む二次電池パウチ用フィルム |
EP4444629A1 (en) * | 2021-12-10 | 2024-10-16 | Graphic Packaging International, LLC | Packaging material |
US20240041073A1 (en) * | 2022-08-05 | 2024-02-08 | Jung Ju Mun | Method for manufacturing processed food |
GB2623128B (en) * | 2022-10-07 | 2025-06-25 | Toraphene Ltd | graphene film, graphene oxide film and their methods of manufacturing |
CN115490965B (zh) * | 2022-10-27 | 2023-07-04 | 郑州市彦峰塑料包装有限公司 | 一种可高温加热的食品包装膜及其生产工艺 |
WO2025108827A1 (en) * | 2023-11-20 | 2025-05-30 | Tetra Laval Holdings & Finance S.A. | Laminated packaging material, packaging container and methods of manufacture thereof |
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