DataVXACS Applied Polymer MaterialsPaper
journal article·2024-03-08

High-Barrier Oxidized Cellulose Nanofibril/Chitosan Coating for Functional Food Packaging Materials

Zheng Cheng, Jialin Li, Miao Su, Naiyu Xiao, Le Zhong, Xueqin Zhang, Shaowu Chen, Qifeng Chen, Weiquan Liang, Meixian Liu

ACS Applied Polymer Materials· Volume 6· Issue 5
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Source abstract

Abstract

With the continuous introduction of plastic restriction policies by the government and the continuous enhancement of people’s awareness of environmental protection, the demand for food packaging materials has also continued to increase, and the research and development of biodegradable green packaging materials has become the frontier research direction in the field of food packaging materials. In this study, nanocellulose-based coating solution with high barrier properties was prepared from oxidized cellulose nanofibrils (OCNFs) via sodium periodate and compounded with chitosan solution (CTS) and then coated on the substrate paper. Experiments have found that when the mass fraction of the OCNF in the OCNF/CTS coating solution is 0.5%, the coated paper exhibits the optimum comprehensive performance. The oxygen transmission rate of the OCNF/CTS-coated paper dropped to 1.732 × 10 –11 cm 3 ·cm/cm 2 ·s·Pa, and the water vapor transmission rate reduced to 2.236 × 10 –12 g·cm/cm 2 ·s·Pa. This is due to the fact that the OCNF cross-linking with CTS improves the compactness of the paper surface layer, which in turn enhances its barrier. These findings suggested that the OCNF/CTS-coated paper has great potential and prospect in the application of food packaging materials, which provide a possible positive example of barrier coating in the packaging field.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Advanced Cellulose Research Studies · Nanocomposite Films for Food Packaging · Material Properties and Processing

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China

Guangdong Engineering Technology Research Center for Food Green Packaging, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China

Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China

State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China

Research Center of Chinese Medicinal Resource Science and Engineering, Guangzhou University of Chinese Medicine, Guangzhou 510006, China

GuangDong Lide Packaging Co., Ltd., Chaozhou 521000, China

Funding

Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · Fundamental Research Funds from the Zhongkai University of Agriculture and Engineering · Science and Technology Planning Project of Guangzhou · Science and Technology Planning Project of Chaozhou Chao?an District ?Development of Fully Degradable and Mouldproof Packaging for Paper-plastic Material?

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