Chemisorption of silane compounds on hydroxyapatites of various morphologies

Aleksey N. Vasiliev, Eugene Zlotnikov, Johannes G. Khinast, Richard E. Riman

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Functionalized-inorganic powders were obtained by the chemisorption of a series of substituted trimethoxysilanes on the surface of spherical and hexagonal hydroxyapatite crystals. The highest total loading for all trimethoxysilanes was achieved for the hydroxyapatite (CaHAP) of spherical morphology. For hexagonal CaHAP, the loading decreased with an increase in the length to diameter ratio from 0.5 to 11. Thus, the different faces of the crystal are not equally reactive: {0 0 0 1} planes are more reactive than {1 0 1 0} planes.

Original languageEnglish (US)
Pages (from-to)1039-1042
Number of pages4
JournalScripta Materialia
Volume58
Issue number12
DOIs
StatePublished - Jun 2008

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

Keywords

  • Hydroxyapatite
  • Morphology
  • Silanes
  • Surface modification

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