摘要
近年来,塑料包装的大量使用造成了严重的环境污染.随着人们环保意识的提升,开发可生物降解的新型食品包装材料以替代传统石油基塑料已成为研究热点.纤维素纳米纤维(cellulose nanofibrils,CNF)因其高比表面积、高弹性模量、高强度和高气体阻隔性等优异性能而受到研究者们广泛青睐.本文总结了 CNF及其相关复合膜的制备方法,讨论了 CNF复合膜作为食品包装材料的机械性能、阻隔性能、抑菌性能、可降解性及响应性能.最后,提出CNF应用于食品包装领域所面临的挑战,旨在为未来生产纳米纤维素食品包装材料代替传统石油基材提供参考.
Abstract
In recent years,the extensive use of plastic packaging has caused serious environmental pollution problems.With the increase in people's environmental awareness,the development of new biodegradable food packaging materials to replace traditional petroleum-based plastics has become a hot research topic.Cellulose nanofibrils(CNF)are widely favored by researchers due to its excellent properties such as high specific surface area,elastic modulus,strength,and gas barrier properties.This paper summarizes the preparation methods of CNF and CNF composite films,discusses the mechanical property,barrier property,antibacterial property,degradable property,and responsive property as food packaging materials.Finally,the challenges faced by CNF in the field of food packaging are proposed,aiming to provide a reference for the future production of CNF food packaging materials to replace traditional petroleum-based materials.
基金项目
国家自然基金面上项目(32272343)
中国博士后科学基金(2023M743794)
防城港市科技重点研发计划(防科AB21014011)
国家科技期刊平台
NSTL
万方数据