Lignocellulosic nanofibers composite films reinforced with green-synthesized copper oxide nanoparticles for active packaging

Gao, Yihan; Hsu, Yu I; Uyama, Hiroshi

Polymer Degradation and Stability, 2025, 239, 111400

アクセス数:97件（2025-08-14 16:34 集計）

固定URL: https://hdl.handle.net/11094/101966

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タイトル
Lignocellulosic nanofibers composite films reinforced with green-synthesized copper oxide nanoparticles for active packaging
著者
著者名
Gao, Yihan
NRID
1000010757678 1000010757678
ORCID
0000-0002-4533-7200 0000-0002-4533-7200
researchmap permalink
yuihsu yuihsu
Scopus Author ID
55389981500 55389981500
著者名
Hsu, Yu I
NRID
1000070203594 1000070203594
ORCID
0000-0002-8587-2507 0000-0002-8587-2507
researchmap permalink
read0168389 read0168389
Scopus Author ID
7102108908 7102108908
著者名
Uyama, Hiroshi
キーワード等
Tea waste
Green synthesis
Active packaging
Physical properties
内容
Gao Y., Hsu Y.I., Uyama H.. Lignocellulosic nanofibers composite films reinforced with green-synthesized copper oxide nanoparticles for active packaging. Polymer Degradation and Stability 239, 111400 (2025); https://doi.org/10.1016/j.polymdegradstab.2025.111400.
抄録
The search for alternatives to traditional petroleum-based packaging materials has increasingly focused on high-value utilization of agricultural waste. This study aims to maximize the use of tea waste components as raw materials or green reagents for the preparation of sustainable active packaging materials. Copper oxide nanoparticles were synthesized via a green route using tea waste extract, while tea waste-derived nanofibers were prepared through a simple and environmentally friendly one-step H₂O₂ alkaline treatment and homogenization. These two components were added to polyvinyl alcohol (PVA) to prepare composite films. The results showed that the hydrogen bonding interactions between the components significantly enhanced the physical properties of the composite films. The maximum tensile strength and Young's modulus reached 43.5 MPa and 311.5 MPa, representing increases of 77.6 % and 223.8 %, respectively, compared to pure PVA films. Furthermore, the composite films exhibited excellent thermal stability and water resistance, with the main degradation peak increasing by 55.3 °C, swelling ratio decreasing by 60.8 %, and the time to reach maximum swelling increased by 21 min. The water contact angle of the composite film reached 93° Additionally, antibacterial tests using the colony counting method and practical packaging tests on fresh chicken meat demonstrated the potential application of the composite film in active packaging, providing a more environmentally friendly alternative to traditional petroleum-based plastic packaging.
出版者
Elsevier Ltd
収録物名
Polymer Degradation and Stability
巻(号)
239
ページ
111400
刊行年月
2025-05-01
言語
英語
ハンドルURL
https://hdl.handle.net/11094/101966
PISSN
01413910
関連情報 (isVersionOf)
DOI (出版社版)
https://doi.org/10.1016/j.polymdegradstab.2025.111400
アクセス権
embargoed access
権利情報
This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The full-text file will be made open to the public on 1 May 2027 in accordance with the publisher's policy.
出版タイプ
Accepted Manuscript
カテゴリ
学術雑誌論文 Journal Article