The Influence of Three Additives on the Setting Reaction Kinetics and Mechanical Strength Evolution of [Alpha]-Tricalcium Phosphate Cements: Fid-Bau Portal

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The Influence of Three Additives on the Setting Reaction Kinetics and Mechanical Strength Evolution of [Alpha]-Tricalcium Phosphate Cements

Cardoso, H.A.I. / Motisuke, M. / Zavaglia, Cecilia A.C.

Among the calcium phosphate cements, the system based on alpha-tricalcium phosphate (α-TCP) combines several interesting properties. However, these cements have their use limited to low load applications. The main objective of this study is to evaluate the influence of three different additives on the setting reaction kinetics and mechanical strength evolution of calcium phosphate cements as a function of time. The cement was obtained by mixing α-TCP powder with four different aqueous solutions containing or not containing disodium hydrogen phosphate (Na₂HPO₄), citric acid (C₆H₈O₇) and/or tannic acid (C₇₆H₅₂O₄₆). It was observed that two cement samples, one of them containing Na₂HPO₄ and C₆H₈O₇ and another containingNa₂HPO₄ and C₇₆H₅₂O₄₆ in the liquid phase, presented faster setting reaction and higher mechanical properties. These cements are more suitable for application as bone cement.

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The Influence of Three Additives on the Setting Reaction Kinetics and Mechanical Strength Evolution of [Alpha]-Tricalcium Phosphate Cements

Cardoso, H.A.I. / Motisuke, M. / Zavaglia, Cecilia A.C.

Among the calcium phosphate cements, the system based on alpha-tricalcium phosphate (α-TCP) combines several interesting properties. However, these cements have their use limited to low load applications. The main objective of this study is to evaluate the influence of three different additives on the setting reaction kinetics and mechanical strength evolution of calcium phosphate cements as a function of time. The cement was obtained by mixing α-TCP powder with four different aqueous solutions containing or not containing disodium hydrogen phosphate (Na₂HPO₄), citric acid (C₆H₈O₇) and/or tannic acid (C₇₆H₅₂O₄₆). It was observed that two cement samples, one of them containing Na₂HPO₄ and C₆H₈O₇ and another containingNa₂HPO₄ and C₇₆H₅₂O₄₆ in the liquid phase, presented faster setting reaction and higher mechanical properties. These cements are more suitable for application as bone cement.

The Influence of Three Additives on the Setting Reaction Kinetics and Mechanical Strength Evolution of [Alpha]-Tricalcium Phosphate Cements

Cardoso, H.A.I. / Motisuke, M. / Zavaglia, Cecilia A.C.

Among the calcium phosphate cements, the system based on alpha-tricalcium phosphate (α-TCP) combines several interesting properties. However, these cements have their use limited to low load applications. The main objective of this study is to evaluate the influence of three different additives on the setting reaction kinetics and mechanical strength evolution of calcium phosphate cements as a function of time. The cement was obtained by mixing α-TCP powder with four different aqueous solutions containing or not containing disodium hydrogen phosphate (Na₂HPO₄), citric acid (C₆H₈O₇) and/or tannic acid (C₇₆H₅₂O₄₆). It was observed that two cement samples, one of them containing Na₂HPO₄ and C₆H₈O₇ and another containingNa₂HPO₄ and C₇₆H₅₂O₄₆ in the liquid phase, presented faster setting reaction and higher mechanical properties. These cements are more suitable for application as bone cement.

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Title:

The Influence of Three Additives on the Setting Reaction Kinetics and Mechanical Strength Evolution of [Alpha]-Tricalcium Phosphate Cements

Contributors:

Cardoso, H.A.I. (author) / Motisuke, M. (author) / Zavaglia, Cecilia A.C. (author)

Published in:

Bioceramics 23, ISCM, Symposium and Annual Meeting of the International Society for Ceramics in Medicine, 23 ; 397-402

Key Engineering Materials ; 493-494

Publication date:

2011

Size:

6 Seiten

ISSN:

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.493-494.397

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Tricalciumphosphat , Entwicklung (Evolution) , Phosphat , Zitronensäure , Gerbsäure , Knochenzement , Reaktionskinetik , wässrige Lösung , Wasserstoff , flüssige Phase

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