Paper Title:
Effect of Surface Modification on Properties of Natural Hydroxyapatite/Polypropylene Composites
  Abstract

Cattle bone-based hydroxyapatite (HA) powders were prepared. Three types of silane coupling agents, i.e. γ-aminopropyl triethoxysilane (APES), methyl trimethoxysilane (MTMS), and γ-glycidoxypropyl trimethoxysilane (GPMS) were used to modify the HA surface. Untreated HA powders and silane-treated HA powders were utilized to produce HA/polypropylene (PP) composites containing a 60% (w/w) of HA content. Effect of filler surface modification on properties of HA/PP composites were investigated. The results suggested that treating HA surface with a silane coupling agent enhances interaction at HA-PP interface. Among the silane coupling agents used in this study, APES is, on average, the most effective agent for enhancing stiffness of HA/PP composites.

  Info
Periodical
Key Engineering Materials (Volumes 361-363)
Main Theme
Edited by
Guy Daculsi and Pierre Layrolle
Pages
511-514
DOI
10.4028/www.scientific.net/KEM.361-363.511
Citation
N. Suppakarn, S. Sanmaung, Y. Ruksakulpiwat, W. Sutapun, "Effect of Surface Modification on Properties of Natural Hydroxyapatite/Polypropylene Composites", Key Engineering Materials, Vols. 361-363, pp. 511-514, 2008
Online since
November 2007
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Price
$35.00
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