纤维素纳米晶的制备及应用研究进展

Research Progress on the Preparation and Application of Cellulose Nanocrystals

纤维素纳米晶(Cellulose Nanocrystal,CNC)作为一种可再生环保型纳米材料引起越来越多的关注。本文探讨了CNC的各种制备方法,包括工艺较成熟的无机酸水解法和较常用的2,2,6,6-四甲基哌啶氮氧化物(2,2,6,6-Tetramethylpiperidine-1-oxyl,TEMPO)氧化结合机械处理法等。并进一步综述了CNC在不同领域的应用研究进展,其中涉及复合材料、造纸、生物医药、食品和催化剂等,充分展现了科学界对CNC日趋深入的探究和实现CNC大规模商业化的前景。

Cellulose nanocrystal(CNC),as a kind of renewable and environmental nanomaterials,has been paid more and more attention.Various preparation methods of CNC were discussed in this paper,including the more mature inorganic acid hydrolysis method and the more commonly used 2,2,6,6-tetramethylpiperidine-1-oxyl(TEMPO)oxidation combined mechanical treatment method et al.Furthermore,the research progress on application of CNC in different fields is summarized,including composite materials,papermaking,biomedicine,food and catalyst,etc,which fully shows the scientific community’s increasingly in-depth exploration of CNC and the prospect of realizing the large-scale commercialization of CNC.