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Phosphorylation of nanocellulose: State of the art and prospects

Phosphorylation of nanocellulosic materials is a recently studied chemical or enzymatic treatment in which phosphate, phosphite, or phosphonium salt moieties are incorporated into the cellulosic backbone. It is possible to convert native celluloses into individual fibers that are nanometric in dimen...

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Published in:Industrial crops and products 2023-10, Vol.201, p.116965, Article 116965
Main Authors: Patoary, Mohammed Kayes, Islam, Syed Rashedul, Farooq, Amjad, Rashid, Muhammad Abdur, Sarker, Shamima, Hossain, Md. Yousuf, Rakib, Mohammad Abu Nasir, Al-Amin, Md, Liu, Lifang
Format: Article
Language:English
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Summary:Phosphorylation of nanocellulosic materials is a recently studied chemical or enzymatic treatment in which phosphate, phosphite, or phosphonium salt moieties are incorporated into the cellulosic backbone. It is possible to convert native celluloses into individual fibers that are nanometric in dimensions (∼3 nm) with a high aspect ratio (>100) and a high surface charge through phosphorylation treatment. The presence of anionically charged phosphate groups on the surface of the fibers reduces clogging and energy consumption (0.6 MWh/t) during mechanical treatment as well as improves nanocellulose dispersion in water. This paper reviews the preparation routes and fundamental characteristics of phosphorylated nanocellulose. The potential applications of phosphorylated nanocellulose include exterior wall insulation, vehicle interiors, protective clothing for firefighters and spacesuits, food packaging, bone scaffolding, adsorbents, flame retardants, and the heterogenization of homogeneous catalysts, are also introduced. Finally, the development trend and prospects of phosphorylated nanocellulose are included. [Display omitted] •Recent progress in nanocellulose phosphorylation was reviewed.•The effects of phosphorylation on nanocellulose were included.•The potential applications of phosphorylated nanocellulose were discussed.•Provide insight into future exploration prospects for this pre-treatment.
ISSN:0926-6690
1872-633X
DOI:10.1016/j.indcrop.2023.116965