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Hydrothermal Synthesis and Characterization of Cellulose-Carbonated Hydroxyapatite Nanocomposites in NaOH-Urea Aqueous Solution
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2010 (English)In: Science of Advanced Materials, ISSN 1947-2935, Vol. 2, no 2, 210-214 p.Article in journal (Refereed) Published
Abstract [en]

Cellulose-carbonated hydroxyapatite (CHA) nanocomposites with CHA nanostructures dispersed in the cellulose matrix have been successfully synthesized using microcrystalline cellulose, CaCl2, and NaH2PO4 in NaOH-urea aqueous solution by hydrothermal method. The cellulose solution was previously prepared by the dissolution of microcrystalline cellulose in NaOH-urea aqueous solution. The effects of the hydrothermal heating time, the heating temperature, and cellulose concentration on the products were investigated. The XRD and FTIR results indicated that the obtained products were the cellulose CHA nanocomposites. The SEM micrographs showed the CHA particles were dispersed in the cellulose matrix. The TGA and DTA indicated the cellulose content in the cellulose-CHA nanocomposites decreased with the decreasing raw cellulose. The size of CHA in nanocomposites decreased with the increasing preparation temperature. The products were characterized by X-ray powder diffraction (XRD), thermogravimetric analysis (TG), differential thermal analysis (DTA), Fourier transform infrared spectrometry (FTIR), and scanning electron microscopy (SEM). This type of cellulose/CHA nanocomposites would be expected to be useful as novel biomedical material.

Place, publisher, year, edition, pages
2010. Vol. 2, no 2, 210-214 p.
Keyword [en]
Cellulose, Carbonate Hydroxypatite (CHA), Nanocomposites, Hydrothermal
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-146875DOI: 10.1166/sam.2010.1086ISI: 000286346300012OAI: oai:DiVA.org:uu-146875DiVA: diva2:399284
Available from: 2011-02-21 Created: 2011-02-21 Last updated: 2011-02-21Bibliographically approved

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