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Investigation into the Thermal and Mechanical Behavior of PMMA/Alumina Nanocomposites

Published online by Cambridge University Press:  21 March 2011

Benjamin J. Ash ,
Jason Stone ,
Diana F. Rogers ,
Linda S. Schadler ,
Richard W. Siegel ,
Brian C. Benicewicz  and
Thomas Apple
Benjamin J. Ash
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Jason Stone
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Diana F. Rogers
Affiliation:
Department of Chemistry, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Linda S. Schadler
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Richard W. Siegel
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Brian C. Benicewicz
Affiliation:
Department of Chemistry, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Thomas Apple
Affiliation:
Department of Chemistry, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
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Abstract

Polymethylmethacrylate (PMMA) nanocomposites were synthesized by free radical polymerization in the presence of various weight percentages of alumina (Al2O3) nanoparticles. The resulting nanocomposites show an average increase of 600% in strain-to-failure and the appearance of a well-defined yield point. Concurrently, the glass transition temperature (Tg) of the composites decreased 20°C, while the ultimate strength and the Young's modulus decreased by 20% and 15%, respectively.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 661: Symposium KK – Filled & Nanocomposite Polymer Materials , 2000 , KK2.10
Copyright
Copyright © Materials Research Society 2001

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