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Volume 23
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10.3390/ijms231911158
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Article

Preparation and Characterization of Degradable Cellulose−Based Paper with Superhydrophobic, Antibacterial, and Barrier Properties for Food Packaging

by
Xiaofan Jiang
1,
Qiang Li
1,
Xinting Li
1,
Yao Meng
1,
Zhe Ling
2,
Zhe Ji
1,3,* and
Fushan Chen
1,*
1
College of Marine Science and Bioengineering, Qingdao University of Science and Technology, Qingdao 266042, China
2
Jiangsu Co−Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
3
State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2022, 23(19), 11158; https://doi.org/10.3390/ijms231911158
Submission received: 1 September 2022 / Revised: 12 September 2022 / Accepted: 14 September 2022 / Published: 22 September 2022
(This article belongs to the Special Issue Bio-Polymer Materials and Bio-Refinery)
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Abstract

A great paradigm for foremost food packaging is to use renewable and biodegradable lignocellulose−based materials instead of plastic. Novel packages were successfully prepared from the cellulose paper by coating a mixture of polylactic acid (PLA) with cinnamaldehyde (CIN) as a barrier screen and nano silica−modified stearic acid (SA/SiO2) as a superhydrophobic layer. As comprehensively investigated by various tests, results showed that the as−prepared packages possessed excellent thermal stability attributed to inorganic SiO2 incorporation. The excellent film−forming characteristics of PLA improved the tensile strength of the manufactured papers (104.3 MPa) as compared to the original cellulose papers (70.50 MPa), enhanced by 47.94%. Benefiting from the rough nanostructure which was surface−modified by low surface energy SA, the contact angle of the composite papers attained 156.3°, owning superhydrophobic performance for various liquids. Moreover, the composite papers showed excellent gas, moisture, and oil bacteria barrier property as a result of the reinforcement by the functional coatings. The Cobb300s and WVP of the composite papers were reduced by 100% and 88.56%, respectively, and their antibacterial efficiency was about 100%. As the novel composite papers have remarkable thermal stability, tensile strength, and barrier property, they can be exploited as a potential candidate for eco−friendly, renewable, and biodegradable cellulose paper−based composites for the substitute of petroleum−derived packages.
Keywords: food packaging; cellulose paper; polylactic acid (PLA); super−hydrophobicity; antibacterial food packaging; cellulose paper; polylactic acid (PLA); super−hydrophobicity; antibacterial
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MDPI and ACS Style

Jiang, X.; Li, Q.; Li, X.; Meng, Y.; Ling, Z.; Ji, Z.; Chen, F. Preparation and Characterization of Degradable Cellulose−Based Paper with Superhydrophobic, Antibacterial, and Barrier Properties for Food Packaging. Int. J. Mol. Sci. 2022, 23, 11158. https://doi.org/10.3390/ijms231911158

AMA Style

Jiang X, Li Q, Li X, Meng Y, Ling Z, Ji Z, Chen F. Preparation and Characterization of Degradable Cellulose−Based Paper with Superhydrophobic, Antibacterial, and Barrier Properties for Food Packaging. International Journal of Molecular Sciences. 2022; 23(19):11158. https://doi.org/10.3390/ijms231911158

Chicago/Turabian Style

Jiang, Xiaofan, Qiang Li, Xinting Li, Yao Meng, Zhe Ling, Zhe Ji, and Fushan Chen. 2022. "Preparation and Characterization of Degradable Cellulose−Based Paper with Superhydrophobic, Antibacterial, and Barrier Properties for Food Packaging" International Journal of Molecular Sciences 23, no. 19: 11158. https://doi.org/10.3390/ijms231911158

APA Style

Jiang, X., Li, Q., Li, X., Meng, Y., Ling, Z., Ji, Z., & Chen, F. (2022). Preparation and Characterization of Degradable Cellulose−Based Paper with Superhydrophobic, Antibacterial, and Barrier Properties for Food Packaging. International Journal of Molecular Sciences, 23(19), 11158. https://doi.org/10.3390/ijms231911158

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