Review of Hydrogels and Aerogels Containing Nanocellulose

被引:1086
作者
De France, Kevin J. [1 ]
Hoare, Todd [1 ]
Cranston, Emily D. [1 ]
机构
[1] McMaster Univ, Dept Chem Engn, 1280 Main St West, Hamilton, ON L8S 4L7, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
CELLULOSE NANOCRYSTAL AEROGELS; MALEIC ACID)-POLYETHYLENE GLYCOL; NANOMATERIAL-ENABLED PRODUCTS; NANOCOMPOSITE HYDROGELS; NANOFIBRILLATED CELLULOSE; MECHANICAL-PROPERTIES; CROSS-LINKING; MICROFIBRILLATED CELLULOSE; IN-SITU; VISCOELASTIC PROPERTIES;
D O I
10.1021/acs.chemmater.7b00531
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Naturally derived cellulose nanocrystals (CNCs) and cellulose nanofibrils (CNFs) are emerging nanomaterials that display high strength, high surface area, and tunable surface chemistry, allowing for controlled interactions with polymers, nanoparticles, small molecules, and biological materials. Industrial production of nano-celluloses, is increasing rapidly with several companies already producing on the tons-per-day scale, intensifying the quest for viable products across many sectors. While the hydrophilicity of the nanocellulose interface has posed a challenge to the use of CNCs and. CNFs as reinforcing agents in conventional plastics, it is a significant benefit for creating reinforced or structured hydrogel composites (or, when dried, aerogels) exhibiting both mechanical reinforcement and a host of other desirable properties. In this context, this Review describes the quickly growing field of hydrogels and aerogels incorporating nanocelluloses; over 200 references are summarized in comprehensive tables covering the chemistry, preparation, properties, and applications of "nanocellulose-only" and "nanocellulose-containing" gels. Physical and chemical cross-linking strategies, postmodification steps, and routes to control gel structure are discussed, along with key, developments and ongoing challenges in the field. Nanocellulose hydrogels and aerogels show great promise in a wide range of biomedical, energy storage, construction, separations, cosmetic, and food applications.
引用
收藏
页码:4609 / 4631
页数:23
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