[en] Silica nanoparticles of various sizes have been incorporated by melt compounding in a poly(methyl methacrylate) (PMMA) matrix to enhance its thermal and mechanical properties. In order to improve nanoparticles dispersion, PMMA grafted particles have been prepared by atom transfer radical polymerization (ATRP) from well-defined silica nanoparticles. This strategy was expected to ensure compatibility between both components of the PMMA nanocomposites. TEM analysis have been performed to evaluate the nanosilica dispersion whereas modified and non-modified silica/PMMA nanocomposites thermal stability and mechanical properties have been investigated by both thermogravimetric and dynamical mechanical analysis.
Research Center/Unit :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering Chemistry
Author, co-author :
Etienne, Stéphanie; Laboratoire de Technologies Industrielles (LTI), Esch-sur-Alzette, Luxembourg
Becker, Claude; Laboratoire de Technologies Industrielles (LTI), Esch-sur-Alzette, Luxembourg
Ruch, David; Laboratoire de Technologies Industrielles (LTI), Esch-sur-Alzette, Luxembourg
Grignard, Bruno ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Cartigny, Grégory ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Detrembleur, Christophe ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Calberg, Cédric ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Effects of incorporation of modified silica nanoparticles on the mechanical and thermal properties of PMMA
The original publication is available at http://www.springerlink.com/content/y0t4071730447788/fulltext.pdf. The authors acknowledge Journal of thermal Analysis and Calorimetry (Springer) for allowing them to archive this paper.
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Bibliography
Alexandre, M., Dubois, P., (2000) Mater. Sci. Eng, 28, p. 1
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