PREPARATION AND CHARACTERISTICS OF CELLULOSE-HYDROXYAPATITE COMPOSITES THROUGH MECHANOCHEMICAL REACTION

Organic polymer-hydroxyapatite (HAp) composites are much attractive due to the advantages of low Young's modulus and ability of bone-bonding, i.e. bioactivity. Cellulose (CEL) is one of abundant natural polymers and exhibits biological compatibility and high chemical durability. In the present...

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Bibliographic Details
Published in:Phosphorus Research Bulletin 2004, Vol.17, pp.197-202
Main Authors: Yoshida, Akihiko, Miyazaki, Toshiki, Ishida, Eiichi, Ashizuka, Masahiro
Format: Article
Language:English
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Summary:Organic polymer-hydroxyapatite (HAp) composites are much attractive due to the advantages of low Young's modulus and ability of bone-bonding, i.e. bioactivity. Cellulose (CEL) is one of abundant natural polymers and exhibits biological compatibility and high chemical durability. In the present study, CEL-HAp composites were prepared through mechanochemical reaction and the subsequent aging. The prepared composites contained needle-like low-crystalline HAp crystals with carbonate ions. The composites formed apatite on their surfaces after soaking in simulated body fluid (SBF) for 7 d. The composites are therefore expected to be useful bone-repairing materials with low Young's modulus and bioactivity.
ISSN:0918-4783
1882-2363
DOI:10.3363/prb1992.17.0_197