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Glass Transition Temperature of Phenolic-Based Nanocomposites Reinforced by MWNTs and Carbon Fibers

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Abstract:

The multi-walled carbon nanotubes (MWNTs) and carbon fibers (CFs) were added to the phenolic resin to fabricate MWNTs/phenolic, MWNTs/CFs/phenolic nanocomposites and CFs/phenolic composites by hot press method. The differential scanning calorimetry (DSC) test was performed for the above-mentioned three kinds of composites. The valley points on the slope of endothermic responses correspond to the glass transition temperatures of the composites. The MWNTs/phenolic nanocomposites had the lowest glass transition temperature among the three kinds of composites discussed, which indicated a better thermal conductivity property of MWNTs. Phenolic-based composites reinforced by different weight percentages of MWNTs and CFs were also investigated. The tensile failure morphologies of nanocomposite specimens were examined using a scanning electron microscope to evaluate the possible effects on the glass transition temperature of nanocomposites..

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Periodical:

Key Engineering Materials (Volumes 334-335)

Pages:

713-716

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.334-335.713

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Online since:

March 2007

Authors:

Meng Kao Yeh, Nyan Hwa Tai, Yan Jyun Lin

Keywords:

Carbon Nanotube (CN), Glass Transition Temperature, Nanocomposite, Scanning Electron Microscope (SEM)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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