Article (Scientific journals)
Mechanical Properties of Polylactic Acid Nanofiber Films Reinforced by Modified Cellulose Nanocrystals
Zhu, Chaoqiao; Tian, Ming; Zhang, Dequan et al.
2025In Food Bioengineering, 4 (1), p. 28 - 38
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Keywords :
active packaging; cellulose nanocrystals; electrostatic spinning; esterification reaction; polylactic acid; Active packaging; Active packaging materials; Electrostatic spinning; Esterification reactions; Kaempferol; Mechanical; Modified cellulose; Nanofiber films; Polylactic acid; Property; Biotechnology; Bioengineering; Food Science; Applied Microbiology and Biotechnology
Abstract :
[en] In this study, the surface of cellulose nanocrystals was first modified with citric acid, and the resultant modified cellulose nanocrystals (MCNC) were subsequently utilized as a reinforcement phase for polylactic acid (PLA). Findings indicated that MCNC interacted with PLA through hydrogen bonding, resulting in improved thermal stability, mechanical properties, and surface hydrophobicity of PLA nanofiber films. Specifically, the thermal degradation temperature, tensile strength, elongation at break, and contact angle of the nanofiber films increased by 19°C, 30.04%, 49.11%, and 11.22°, respectively, with a 3% addition of MCNC. Subsequently, utilizing PLA/MCNC as the base material and kaempferol as the active ingredient, a preliminary exploration into its potential as an active packaging material was carried out. When the addition amount of kaempferol was 10%, the DPPH and ABTS free radical scavenging ability of the nanofiber film reached more than 90%, demonstrating its application potential as an active packaging material. These results offer a promising strategy for the effective dispersion of CNC within PLA matrices, thereby expanding the potential applications of PLA in the field of active packaging.
Disciplines :
Food science
Author, co-author :
Zhu, Chaoqiao;  College of Food Science and Engineering, Shanxi Agricultural University, Taigu, China ; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Tian, Ming;  College of Food Science and Engineering, Shanxi Agricultural University, Taigu, China ; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Zhang, Dequan;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Yang, Qingfeng;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Wang, Debao;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Fan, Simin ;  Université de Liège - ULiège > TERRA Research Centre
Li, Xin;  Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Yang, Wei;  Sunrise Material Co. Ltd, Jiangyin, China
Hou, Chengli ;  College of Food Science and Engineering, Shanxi Agricultural University, Taigu, China ; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing, China
Language :
English
Title :
Mechanical Properties of Polylactic Acid Nanofiber Films Reinforced by Modified Cellulose Nanocrystals
Publication date :
2025
Journal title :
Food Bioengineering
eISSN :
2770-2081
Publisher :
John Wiley and Sons Inc
Volume :
4
Issue :
1
Pages :
28 - 38
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
The authors are grateful to Mrs.Yanli Sun and Mrs. Ying Wang of Electron Microscope Center as well as Mrs. Chunhong Li of National Key Laboratory of Argo-products Processing, Institute of Food Science and Technology, Chinese Academy of Agricultural Science for providing technical support. This work was supported by the Major Science and Technology Project of Yunnan Province (No.202102AE090039).The authors are grateful to Mrs.Yanli Sun and Mrs. Ying Wang of Electron Microscope Center as well as Mrs. Chunhong Li of National Key Laboratory of Argo\u2010products Processing, Institute of Food Science and Technology, Chinese Academy of Agricultural Science for providing technical support. This work was supported by the Major Science and Technology Project of Yunnan Province (No.202102AE090039).
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