ArticleACS omega2025
Contribution of Structural Changes in Cellulose Fibers Induced by Alkali Treatment to Their Nanofibrillation.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A Data-Driven Semi-Quantitative Framework for Comparative Screening and Tiering of Cellulose Nanocrystal Isolation Pathways: Implications for Process Assessment and Future Optimization.Molecules (Basel, Switzerland) · 2026Review
- Robust, Thermo-Malleable, and Closed-Loop Recyclable Mulberry Paper/Polyimine Composite Films Enabled by Dynamic Covalent Interpenetrating Networks.Materials (Basel, Switzerland) · 2026Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this study is to explore the effect of strong alkali pretreatment on manufacturing cellulose nanofibrils (CNFs) with mechanical grinding. The structural change (from cellulose I to cellulose II) and a sharp reduction in the yield of the hemicellulose component (xylose) of cellulose fibers (bleached kraft pulp) were observed after strong NaOH (20 wt %) pretreatment. However, the differences depending on treatment time (1 or 2 h) were not significant. The subsequent mechanical grinding did not lead to any significant changes in the chemical composition, specifically the sugar contents, of the cellulose fiber. Morphological analyses showed that the generated micro- and nanofibers in the suspension gradually decreased with an increasing number of mechanical passes . Also, the mean width of the nanofibers produced from alkali-pretreated pulp was relatively thicker than that from untreated pulp. The results can be attributed to changes in the cellulose crystal structure and the loss of internal structural integrity under strong alkali treatment. UV transmittance and turbidity results showed that alkali pretreatment and subsequent mechanical grinding led to an increase in the nanofibril content.
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Registered trials
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