Calcium Phosphate Bone Cements Including Sugar Surfactants: Part One—Porosity, Setting Times and Compressive StrengthReportar como inadecuado


Calcium Phosphate Bone Cements Including Sugar Surfactants: Part One—Porosity, Setting Times and Compressive Strength


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1

Université de Toulouse, Laboratoire des IMRCP, CNRS-Université Paul Sabatier, Bâtiment 2R1, 118 Route de Narbonne, 31062 Toulouse Cedex 9, France

2

Teknimed SA, 11 rue Apollo, ZI Montredon, 31240 L’UNION, France





*

Author to whom correspondence should be addressed.



Abstract Addition of sugar surfactants, sucrose fatty acid esters and alkylpolyglucosides, to calcium phosphate cement designed for bone reconstruction is described. Thanks to their surface activity and through their adsorption at the surface of the calcium phosphate particles, they both induced a strong increase in the porosity quantified by Image Analysis and brought a very good workability. Other properties typically studied for these cements are reported, including setting times, compressive strength, cohesion in water, and effect of sterilization on these properties. The whole study brought good insight in the interest of adding these mild surfactants to improve several properties of the calcium phosphate cement, without impairing their function. View Full-Text

Keywords: calcium phosphate; surfactant; sugar; porosity; image analysis; setting time; cohesion calcium phosphate; surfactant; sugar; porosity; image analysis; setting time; cohesion





Autor: Ariane Bercier 1, Stéphane Gonçalves 2, Olivier Lignon 2 and Juliette Fitremann 1,*

Fuente: http://mdpi.com/



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