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Issue 12, 2003
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Hydroxyapatite crystals grown on a cellulose matrix using titanium alkoxide as a coupling agent

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Abstract

Hydroxyapatite (HAp) crystals were grown on the surface of a cellulose matrix previously modified using titanium isopropoxide (TIPO). This modification provides the appropriate labile chemical groups to grow HAp: the primary hydroxyl of cellulose, the most reactive of the three groups, has not enough reactivity to grow HAp. However, TIPO is a very reactive alkoxide that can react with the primary hydroxyl to produce three new labile hydroxyl groups to grow HAp crystals. The resulting hybrid material was characterized by SEM, EDS, FTIR, ICP and X-ray diffraction. Numerical calculations were used to understand the chemical reactions involved in the growth of HAp on cellulose.

Graphical abstract: Hydroxyapatite crystals grown on a cellulose matrix using titanium alkoxide as a coupling agent

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Article information


Submitted
16 Jun 2003
Accepted
11 Aug 2003
First published
22 Oct 2003

J. Mater. Chem., 2003,13, 2948-2951
Article type
Paper

Hydroxyapatite crystals grown on a cellulose matrix using titanium alkoxide as a coupling agent

M. González, E. Hernández, J. A. Ascencio, F. Pacheco, S. Pacheco and R. Rodríguez, J. Mater. Chem., 2003, 13, 2948
DOI: 10.1039/B306846N

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