The toughness of epoxy polymers modified with silica nanoparticles

Kinloch, A. J.; Hsieh, Tzu Hsuan; Masania, K.; Sohn Lee, J.; Taylor, A. C.; Sprenger, S.

The toughness of epoxy polymers modified with silica nanoparticles

Abstract (2010)

Authors

A. J. Kinloch Imperial College London

Tzu Hsuan Hsieh Imperial College London

K. Masania Imperial College London

J. Sohn Lee Imperial College London

A. C. Taylor Imperial College London

S. Sprenger Nanoresins AG

Affiliation

External organisation

Modelling Nanoparticles Fracture energy Toughening mechanisms Epoxy polymers

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Published Date

01-12-2010

Language

English

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Abstract

The present paper investigates the effect of adding silica nanoparticles to an anhydride-cured epoxy polymer. The formation of 'hybrid' epoxy polymers, containing both silica nanoparticles and carboxyl-Terminated butadiene-Acrylonitrile (CTBNrubber microparticles, is also discussed. The structure/property relationships are considered, with an emphasis on the toughness and the toughening mechanisms. The present work also extends an existing model to predict the toughening effect of the nanoparticles in a thermoset polymer. There was excellent agreement between the predictions and the experimental data for the epoxy containing the silica nanoparticles.