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Article Dans Une Revue Cellulose Année : 2018

Advances in cellulose nanomaterials

Résumé

Research on nanocellulose has significantly increased over the past few decades, owing to the various attractive characteristics of this material, such as renewability, widespread availability, low density, excellent mechanical properties, economic value, biocompatibility, and biodegradability. Nanocellulose categorized into two main types, namely cellulose nanofibrils (CNFs) and cellulose nanocrystals (CNCs). In this review, we present the recent advances made in the production of CNFs and CNCs. In addition to the conventional mechanical and chemical treatments used to prepare CNFs and CNCs, respectively, other promising techniques as well as pretreatment processes have been also proposed in recent times, in an effort to design an economically efficient and eco-friendly production route for nanocellulose. Further, while the hydrophilic nature of nanocellulose limits its use in polymeric matrices and in some industrial applications, the large number of hydroxyl groups on the surface of nanocellulose provides a suitable platform for various kinds of modification treatments. The various chemical and physical surface treatment procedures reported for nanocellulose have been reviewed in this paper. Finally, in this review, we summarize the life cycle assessment studies conducted so far on nanocellulose, which quantify the environmental impact of nanocellulose products. The current paper is a comprehensive review of the recent literature on nanostructured cellulose.
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Dates et versions

hal-03327742 , version 1 (27-08-2021)

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Hanieh Kargarzadeh, Marcos Mariano, Deepu Gopakumar, Ishak Ahmad, Sabu Thomas, et al.. Advances in cellulose nanomaterials. Cellulose, 2018, 25 (4), pp.2151-2189. ⟨10.1007/s10570-018-1723-5⟩. ⟨hal-03327742⟩

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