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中国精品科技期刊2020
白辰雨,王天卉,户昕娜,等. 纤维素纳米化处理技术研究现状[J]. 食品工业科技,2023,44(14):465−473. doi: 10.13386/j.issn1002-0306.2022090298.
引用本文: 白辰雨,王天卉,户昕娜,等. 纤维素纳米化处理技术研究现状[J]. 食品工业科技,2023,44(14):465−473. doi: 10.13386/j.issn1002-0306.2022090298.
BAI Chenyu, WANG Tianhui, HU Xinna, et al. Research Progress on Preparation of Nanocellulose[J]. Science and Technology of Food Industry, 2023, 44(14): 465−473. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2022090298.
Citation: BAI Chenyu, WANG Tianhui, HU Xinna, et al. Research Progress on Preparation of Nanocellulose[J]. Science and Technology of Food Industry, 2023, 44(14): 465−473. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2022090298.

纤维素纳米化处理技术研究现状

Research Progress on Preparation of Nanocellulose

  • 摘要: 纳米纤维素因具有可再生、易改性以及优异的机械性能,在众多领域具有广阔的应用前景。植物来源的纳米纤维素主要包括纤维素纳米晶体和纤维素纳米纤维,本文主要介绍了以农副产品为原料的纤维素纳米化处理技术及其分类,包括制备纤维素纳米晶体的经典无机酸水解法以及有机酸水解法、低共熔溶剂法和离子液体法等新型制备方法。此外,还介绍了制备纤维素纳米纤维常用的预处理手段和制备方法,预处理方法包括以2,2,6,6-四甲基哌啶-1-氧自由基氧化为代表的氧化法预处理以及酶法预处理;制备方法包括高压均质、精细研磨、高强度超声和高压微射流等技术。最后,对现行纤维素纳米化处理技术中存在的问题进行综合分析,并探讨了其未来研究需求,以期为纳米纤维素的绿色高效生产提供理论参考。

     

    Abstract: Nanocellulose is a sustainable resource that combines a modifiable surface with excellent mechanical strength. It has been increasingly applied to applications in different fields. Plant-based nanocellulose primarily contains cellulose nanocrystal and cellulose nanofibrils. This review summarizes the preparation methods for cellulose nanocrystal and cellulose nanofibrils that emerged from agricultural by-products. The different sorts of cellulose nanocrystal preparation methods that have been discussed include the inorganic acid hydrolysis method, organic acid hydrolysis method, ionic liquid method, deep eutectic solvent method, and so forth. Also, several methods of pretreatment and preparation of cellulose nanofibrils are characterized, encompassing the oxidation pretreatment represented by 2,2,6,6-tetramethylpiperidine-1-oxy radical oxidation and enzymatic pretreatment. The high pressure homogenization, fine grinding, high-strength ultrasound and high pressure microfluidization techniques are used to prepare cellulose nanofibrils. This review's objective is to offer a theoretical framework for the economical and environmentally responsible manufacturing of nanocellulose.

     

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