Hydroxyapatite Nano Sol Prepared via A Mechanochemical Route View Full Text


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Article Info

DATE

2001-02

AUTHORS

S. Nakamura, T. Isobe, M. Senna

ABSTRACT

Well-dispersed sol with crystalline hydroxyapatite (HAp) was obtained directly by milling a mixture comprising Ca(OH)2, an aqueous solution of H3PO4 and a dispersant, an ammonium salt of polyacrylic acid. The average crystallite size of HAp was below 20 nm. Ca/P molar ratio of the product was 1.51 ± 0.04, i.e. Ca deficient from stoichiometric HAp. Minimum apparent viscosity was attained at a dispersant concentration 0.92wt% of sol. An as-milled sol was diluted by a factor 10–2.61 solid wt% to give a Newtonian fluid of 2 mPa s. From the diluted sol, we obtained a few μm thick dense film of HAp by dip coating on the slide glass precoated by chitosan. More... »

PAGES

57-61

References to SciGraph publications

  • 1995-06. Slip casting of mechanochemically synthesized hydroxyapatite in JOURNAL OF MATERIALS SCIENCE
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1023/a:1011407814795

    DOI

    http://dx.doi.org/10.1023/a:1011407814795

    DIMENSIONS

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