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Materials, Methods & Technologies, Volume 11, 2017

FORMULATING AND OPTIMIZING THE RHEOLOGICAL PROPERTIES OF A COMPOSITE BONE CEMENT USING MIXTURE DESIGN
Océane Ly, Francine Monchau, Sébastien Rémond, Christine Lors, Alain Jouanneaux, Étienne Debarre, Denis Damidot
Pages: 403-419
Published: 29 Jul 2017
Views: 129
Downloads: 40
Abstract: The aim of our study was to optimize the formulation of the powder content of a bone cement based on an acrylic hydrogel, 2-hydroxyethyl methacrylate (HEMA), in order to obtain satisfactory rheological properties. A bone cement containing HEMA as a liquid phase (40% wt) and a blend of corn starch, cellulose acetate and a ceramic filler (alumina) in variable proportions as a solid phase (60% wt) was investigated by means of a mixture design. Each cement formulation was characterized using the complex shear modulus G* related to the rheological behaviour. The mixture design strategy was applied and three application-targeted formulations resembling three commercial cements rheology were determined.
Keywords: composite bone cement, experimental design, rheology, complex shear modulus
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