Abstract
The influence of hydroxyapatite (HA) content on the setting behavior and mechanical properties of hydroxyapatite–zinc oxide–poly(acrylic acid) (HA–ZnO–PAA) composite cements were investigated as a function of HA content. The working time increased with HA content up to 45 wt % HA and then decreased whilst the setting time increased with increasing HA content. Mechanical properties were determined after storage in water at 37 °C for 1, 7 and 28 days. Young's moduli and compressive strength go through a maximum at approximately 30 and 45 wt % HA. Young's modulus increases with time, which is consistent with an ongoing crosslinking reaction.
© 2001 Kluwer Academic Publishers
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Kenny, S., Buggy, M. & Hill, R.G. The influence of hydroxyapatite: Zinc oxide ratio on the setting behavior and mechanical properties of polyalkenoate cements. Journal of Materials Science: Materials in Medicine 12, 901–904 (2001). https://doi.org/10.1023/A:1012828209119
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DOI: https://doi.org/10.1023/A:1012828209119