期刊
JOURNAL OF FOOD ENGINEERING
卷 332, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jfoodeng.2022.111039
关键词
Coated paper; Oil resistance; Air permeability; Polarity; Food packaging
资金
- Special Funds for Fundamental Scientific Research Funds of Central Universities [JUSRP21115]
- Independent Research Project Funding Project of the Jiangsu Key Lab-oratory of Advanced Food Manufacturing Equipment Technology [FMZ201902]
Paper is widely used in food packaging due to its good mechanical strength and degradability. However, its application is limited by its strong affinity for water and oil. This study investigated the influence of air permeability and polarity on the oil resistance of coated papers. Results showed that reducing air permeability improved grease resistance, while high surface-energy coatings exhibited enhanced oil resistance due to their high content of polar components. Additionally, the mechanical properties of the paper were improved by the coating. These naturally derived materials can be used as alternatives to fluoride-containing materials to improve the wettability of paper and the quality and safety of grease-rich foods.
Paper is widely used as food packaging because of good mechanical strength and degradability. However, the application scope of paper is limited by a relatively strong affinity for water and oil. In this study, we prepared two types of coated paper and investigated the influence of the air permeability and polarity on the oil resistance of the coated papers. Reducing the air permeability improved the grease resistance of the coated papers. Highsurface-energy coatings exhibited enhanced oil resistance because of a high content of polar components that offered high resistance to grease. The mechanical properties of the paper were also improved by applying the coating. These naturally derived materials are an alternative to the fluoride-containing materials that are currently available on the market for improving the wettability of paper and the quality and safety of grease-rich foods.
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