Supramolecular Assembly of Plant Cell Wall-Derived Cellulose Nanosheets with Polyacrylamide for Sustainable Sand Stabilization.
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| Title: | Supramolecular Assembly of Plant Cell Wall-Derived Cellulose Nanosheets with Polyacrylamide for Sustainable Sand Stabilization. |
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| Authors: | Xie, Feifan1 (AUTHOR), Zha, Xiaoyan1 (AUTHOR), Guo, Xiaoxuan1 (AUTHOR), Fu, Zongying1 (AUTHOR), Lu, Yun1 (AUTHOR) y.lu@caf.ac.cn |
| Source: | Polymers (20734360). May2026, Vol. 18 Issue 10, p1188. 18p. |
| Subjects: | Polyacrylamide, Soil stabilization, Supramolecular chemistry, Compressive strength, Desertification, Hydrogen bonding, Nanostructured materials, Biodegradable materials |
| Abstract: | To address the global challenge of desertification, it is essential to develop sustainable and biodegradable materials for sand fixation to support ecological restoration in arid regions. In this work, a CNS/PAM biocomposite system was constructed through the supramolecular assembly of highly flexible two-dimensional cellulose nanosheets (CNS) and polyacrylamide (PAM). Benefiting from the flexible layered structure of CNS and the abundant hydroxyl and carboxyl groups on their surface, a conformal coating and an interparticle bridging network were formed via hydrogen bonding and coordination interactions with mineral cations. The introduction of PAM further regulated the hydrogen-bonding network, which improved structural uniformity and mechanical integrity. The resulting composites showed strong resistance to both wind and water erosion (erosion loss < 0.1%) and reached a compressive strength of up to 0.23 MPa, while maintaining good environmental compatibility. This study clarifies the structure–interaction–property relationships of cellulose nanosheet-based supramolecular assemblies and provides a new theoretical basis and practical pathway for designing biodegradable sand-fixing materials. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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