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Rheological and Thermomechanical Properties of Meso and Non-Porous Silica Filled Epoxy Composites

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Abstract:

In the present study, epoxy based composite filled with meso and non-porous silica microspheres with similar size were prepared respectively and their rheological and thermo-mechanical properties were studied systematically. The results showed that the mesoporous silica/epoxy composites showed much higher viscosity, storage modulus and glass transition temperature (Tg) while lower coefficient of thermal expansion (CTE) than did epoxy composites with nonporous silica particles, which could be attributed to the stronger interface interaction between the mesoporous silica filler with larger specific surface area (BET) and the epoxy matrix.

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Periodical:

Materials Science Forum (Volume 815)

Pages:

67-71

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.815.67

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Online since:

March 2015

Authors:

Gang Li, Peng Li Zhu*, Tao Zhao, Rong Sun, Daniel Lu

Keywords:

Interfacial Interaction, Mesoporous Silica, Rheological Properties, Thermomechanical Properties

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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