Issue 21, 2023

When nanocellulose meets hydrogels: the exciting story of nanocellulose hydrogels taking flight

Abstract

The rapid development of nanocellulose and hydrogels has contributed to the development of renewable smart material technologies in recent years. Based on the excellent renewable and biodegradable properties of nanocellulose and the advantages of hydrogels with a high water content, porosity, excellent stretchability and comparable quality to living tissue, nanocellulose hydrogels, which combine the benefits of both, have received significant attention as pioneering materials in the green chemistry revolution. Herein, we present a comprehensive and systematic classification of the nanocellulose hydrogels reported to date in terms of their design-application target relationships. By revealing the intrinsic link between the inherent advantages of nanocellulose and hydrogels, we focus on the applications of nanocellulose hydrogels in medicine, electricity, sensor, environmental governance, food and agriculture and highlight their design innovation advantages. In addition, from the perspective of fundamental issues and practical applications, we provide an in-depth analysis of the shortcomings of the current nanocellulose hydrogels based on four major aspects, including their preparation, platform, application and safety and provide corresponding constructive comments to indicate the future direction of their development.

Graphical abstract: When nanocellulose meets hydrogels: the exciting story of nanocellulose hydrogels taking flight

Article information

Article type
Tutorial Review
Submitted
28 May 2023
Accepted
18 Sep 2023
First published
20 Sep 2023

Green Chem., 2023,25, 8349-8384

When nanocellulose meets hydrogels: the exciting story of nanocellulose hydrogels taking flight

Y. Du and G. Feng, Green Chem., 2023, 25, 8349 DOI: 10.1039/D3GC01829F

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