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Research Advances in the Preparation of Nanocellulose and Its Applications in the Field of Hydrogels
Received:August 23, 2021  
DOI：10.11980/j.issn.0254-508X.2021.11.013
Key Words:nanocellulose  hydrogel  composites  preparation  application
Fund Project:广西壮族自治区科学技术厅重大专项计划（14122003-4）。
Author NameAffiliationPostcode
LU Jie College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
LI Mingxing College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
ZHOU Yiyang College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
DAI Yuchao College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
CHEN Shufang College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
MENG Wenping College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
LI Qingtao* College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 530004
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Abstract:Nanocellulose-based hydrogels， a type of composite hydrogels which organically combine nanocellulose and polymer， have been proved to be functional polymer materials with plentiful application prospects because of their excellent water absorption， water retention， mechanical properties， biocompatibility， and biodegradability. In this review， the general synthetic strategies applied to prepare nanocellulose， including physical， chemical， biological， and hybrid methods， were briefly introduced. The common preparation methods of nanocellulose-based hydrogels， such as physical crosslinking and chemical crosslinking methods， were further discussed. In addition， the applications of nanocellulose-based hydrogels in food packaging， biomedicine， sewage treatment， and energy electronics were reviewed. Finally， by summarizing the existing research， the main problems affecting the development of nanocellulose-based hydrogels were discussed， and the research progress of nanocellulose-based hydrogels in terms of properties， modification methods， and application fields were prospected in order to provide reference for the rapid development of new nanocellulose-based hydrogels.
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