KR20200073189A - 우수한 산소 차단 특성을 가지는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름 및 이의 제조 방법 - Google Patents
우수한 산소 차단 특성을 가지는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름 및 이의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 실시예 1에서 제조된 질화붕소 나노시트의 평균크기 및 다분산도를 제타사이저(zeta sizer), 주사전자현미경 및 투과전자현미경을 사용하여 측정한 결과를 나타낸 것이다.
도 3은 실시예 1에서 제조된 질화붕소 나노시트 분산액 및 셀룰로오스 나노섬유 분산액의 이미지이다.
도 4는 실시예 1 내지 실시예 3 및 비교예 1에서 제조된 필름의 산소 투과율(Oxygen transmission rate, OTR)을 산소 투과성 시험기를 통해 측정한 결과를 나타낸 것이다.
도 5는 실시예 1 내지 실시예 3 및 비교예 1에서 제조된 필름의 영률(Young's modulus), 인장강도(tensile strengths) 및 연신율(elongations)을 측정한 결과를 나타낸 것이다.
도 6은 실시예 1 및 비교예 1에서 제조된 필름의 광 투과율을 UV-vis 분광 광도계를 통해 측정한 결과를 나타낸 것이다.
도 7은 실시예 1 및 비교예 1에서 제조된 필름의 전계방출주사전자현미경 이미지이다.
도 8은 실시예 1 및 비교예 1에서 제조된 필름에 대한 세포 독성을 시험한 결과를 나타낸 것이다.
Claims (11)
- a) 수상에서 질화붕소 나노시트 및 셀룰로오스 나노섬유를 혼합 및 분산하여 분산액을 제조하는 단계 및
b) 상기 분산액을 건조하여 복합 필름을 제조하는 단계
를 포함하는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법. - 제1항에 있어서,
상기 a) 단계에서, 분산액은 물, 질화붕소 나노시트 및 셀룰로오스 나노섬유를 포함하며,
상기 분산액은 물 100 중량부에 대하여 질화붕소 나노시트 0.05 내지 1 중량부 및 셀룰로오스 나노섬유 0.1 내지 5 중량부를 포함하는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법. - 제1항에 있어서,
상기 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법은,
상기 a) 단계 이전에,
이온성 액체를 포함하는 분산매에 질화붕소 분말을 분산한 후 반응시켜 질화붕소 나노시트를 제조하는 단계를 더 포함하는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법. - 제1항에 있어서,
상기 b) 단계에서, 건조는 상압에서 수행되는 자연 건조인 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법. - 제4항에 있어서,
상기 b) 단계에서, 건조는 5 내지 35℃에서 수행되는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법. - 제1항에 있어서,
상기 질화붕소 나노시트는 두께가 0.2 내지 50 nm이고 장축이 300 내지 1,000 nm인 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름의 제조 방법. - 제1항 내지 제6항 중 어느 한 항의 제조 방법으로 제조되는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름.
- 제7항에 있어서,
상기 복합 필름의 질화붕소 나노시트 및 셀룰로오스 나노섬유의 중량비는 0.1:99.9~10:90인 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름. - 제7항에 있어서,
상기 복합 필름은 연신율이 4% 이상이고 영률이 4.8 GPa 이상이며 인장강도가 90 MPa 이상인 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름. - 제7항에 있어서,
상기 복합 필름의 산소 투과율은 15 ㎖/m2/day 이하인 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름. - 제7항에 있어서,
상기 복합 필름은 식품 또는 의약품의 산소 차단을 위한 포장 용도로 사용되는 질화붕소 나노시트-셀룰로오스 나노섬유 복합 필름.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113861947A (zh) * | 2021-08-13 | 2021-12-31 | 中国地质大学(武汉) | 一种以大分子为模板的氮化硼分散方法 |
| US20240271334A1 (en) * | 2023-02-03 | 2024-08-15 | Soarce, Inc. | Methods and compositions for sustainable textile materials |
| CN120192606A (zh) * | 2025-03-21 | 2025-06-24 | 泰安欣鸣塑业有限公司 | 一种高阻隔高刚性的hdpe改性材料及其制备方法 |
| CN120399438A (zh) * | 2025-05-30 | 2025-08-01 | 东莞市鑫塑源塑胶科技有限公司 | 一种用于大型无人机的碳素纤维增强尼龙材料 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20240079370A (ko) | 2022-11-29 | 2024-06-05 | 주식회사그린패키지솔루션 | 셀룰로오스 고분자 조성물 및 셀룰로오스 고분자 필름의 제조방법 |
| KR102916335B1 (ko) | 2024-10-10 | 2026-01-29 | 전남대학교산학협력단 | 산소차단 화재확산방지 보드 및 이의 제조방법 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861947A (zh) * | 2021-08-13 | 2021-12-31 | 中国地质大学(武汉) | 一种以大分子为模板的氮化硼分散方法 |
| CN113861947B (zh) * | 2021-08-13 | 2023-02-24 | 中国地质大学(武汉) | 一种以大分子为模板的氮化硼分散方法 |
| US20240271334A1 (en) * | 2023-02-03 | 2024-08-15 | Soarce, Inc. | Methods and compositions for sustainable textile materials |
| US12264416B2 (en) * | 2023-02-03 | 2025-04-01 | Soarce, Inc. | Methods and compositions for sustainable textile materials |
| CN120192606A (zh) * | 2025-03-21 | 2025-06-24 | 泰安欣鸣塑业有限公司 | 一种高阻隔高刚性的hdpe改性材料及其制备方法 |
| CN120399438A (zh) * | 2025-05-30 | 2025-08-01 | 东莞市鑫塑源塑胶科技有限公司 | 一种用于大型无人机的碳素纤维增强尼龙材料 |
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