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Designed-in Molecular Interactions Lead to Superior Thermo-mechanical Properties in Nanocomposites

Published online by Cambridge University Press:  21 March 2011

E. Ozden ,
A.R. Atilgan ,
K. Bilge ,
Y.Z. Menceloglu ,
C. Atılgan  and
M. Papila
E. Ozden
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
A.R. Atilgan
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
K. Bilge
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
Y.Z. Menceloglu
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
C. Atılgan
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
M. Papila
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey
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Abstract

The effect of the nanofiller chemistry on the mechanical behaviour of thermoset polymer matrix nanocomposites is investigated. The interaction between a crosslinked polymer resin and the reinforcing nanofibers driven by their chemistry is revealed by molecular dynamics simulations. Specifically, crosslinked network systems of neat epoxy and epoxy-P(St-co-GMA) are modeled to discuss the effect of various molecular interactions as a function of temperature on a molecular basis. At 433K°, incorporation of single molecule of bonded P(St-co-GMA) and nonbonded P(St-co-GMA) lead to increase in Young’s modulus by 10% and 6%, respectively, compared to neat epoxy system.

Keywords

simulationelastic propertiescomposite
Type
Other
Information
MRS Online Proceedings Library (OPL) , Volume 1304: Symposium Z – Hierarchical Materials and Composites—Combining Length Scales from Nano to Macro , 2011 , mrsf10-1304-z09-10
Copyright
Copyright © Materials Research Society 2011

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