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Effect of Metal Oxide Nanoparticles on the Mechanical Properties and Tacticity of Poly(Methyl Methacrylate)

Published online by Cambridge University Press:  31 January 2011

Wantinee Viratyaporn  and
Richard Lehman
Wantinee Viratyaporn
Affiliation:
wantinee@rci.rutgers.edu, Rutgers University, Materials Science and Engineering, Piscataway, New Jersey, United States
Richard Lehman
Affiliation:
rllehman@rutgers.edu, Rutgers University, Materials Science and Engineering, Piscataway, New Jersey, United States
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Abstract

Nanoparticles were incorporated into poly(methyl methacrylate) matrix by the mean of in situ bulk polymerization. Particle chemistry, size, shape, and percent loading were experimental variables in the synthesis and mechanical properties were assessed, particularly impact resistance, which showed improvement at the optimal particle loading. In assessing the mechanisms of this improvement, the elongated shape of zinc oxide particles appears to promote crack deflection processes to introduce a pull-out mechanism similar to that observed in fiber composite systems. Raman spectroscopy was performed to examine the effect of polymer chain conformation and configuration with the addition of nanoparticles.

Keywords

Raman spectroscopypolymerizationcomposite
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1201: Symposium H – Zinc Oxide and Related Materials-2009 , 2009 , 1201-H05-18
Copyright
Copyright © Materials Research Society 2010

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