ArticleBiomacromolecules2023
Efficient Isolation Method for Highly Charged Phosphorylated Cellulose Nanocrystals.
Article in Biomacromolecules, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Aging of Phosphorylated Cellulose Nanofibers under Moist-Heat Conditions.Biomacromolecules · 2026Article
- Article
- Article
- Advances in the Study of Flame-Retardant Cellulose and Its Application in Polymers: A Review.Polymers · 2025Review
- Article
- Highly Charged Cellulose Nanocrystals via Electrochemical Oxidation.Nano letters · 2024Article
- Pretreatment to Retrieve Xylose and Xylooligosaccharides by HCl Gas Directly from Biomass.ACS sustainable chemistry & engineering · 2024Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Phosphorylation of cellulose nanocrystals (CNCs) has remained a marginal activity despite the undisputed application potential in flame-retardant materials, sustainable high-capacity ion-exchange materials, or substrates for biomineralization among others. This is largely due to strenuous extraction methods prone to a combination of poor reproducibility, low degrees of substitution, disappointing yields, and impractical reaction sequences. Here, we demonstrate an improved methodology relying on the modification routines for phosphorylated cellulose nanofibers and hydrolysis by gaseous HCl to isolate CNCs. This allows us to overcome the aforementioned shortcomings and to reliably and reproducibly extract phosphorylated CNCs with exceptionally high surface charge (∼2000 mmol/kg) in a straightforward routine that minimizes water consumption and maximizes yields. The CNCs were characterized by NMR, ζpotential, conductometric titration, thermogravimetry, elemental analysis, wide-angle X-ray scattering, transmission electron microscopy, and atomic force microscopy.
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