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Fabrication of nanocellulose-hydroxyapatite composites and their application as water-resistant transparent coatings
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Number of Authors: 6
2015 (English)In: Journal of materials chemistry. B, ISSN 2050-750X, E-ISSN 2050-7518, Vol. 3, no 28, 5858-5863 p.Article in journal (Refereed) Published
Abstract [en]

Nanosized composite rods similar to 300 nm in length and similar to 20 nm in width were produced by deposition of 22-77 wt% of a c-axis-oriented hydroxyapatite (HA) on cellulose nanocrystals (CNCs). The CNCs functionalized with sulphonic groups were covered with the HA nanocrystals through controlled nucleation and growth under a moderately supersaturated condition in a solution system based on a simulated body fluid. Water-resistant transparent coatings 2-4 mm thick were obtained via evaporation-induced assembly of CNC-HA nanocomposites by casting their suspension on a glass substrate and the subsequent growth of HA nanocrystals by vapour hydrothermal treatment. The composite coatings exhibited improved mechanical strength compared to that of crustacean exoskeletons, and potential for bone regeneration.

Place, publisher, year, edition, pages
2015. Vol. 3, no 28, 5858-5863 p.
National Category
Chemical Sciences Industrial Biotechnology
URN: urn:nbn:se:su:diva-119520DOI: 10.1039/c5tb00927hISI: 000357830600023OAI: diva2:846637
Available from: 2015-08-17 Created: 2015-08-17 Last updated: 2015-08-17Bibliographically approved

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Salazar-Alvarez, German
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Department of Materials and Environmental Chemistry (MMK)
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