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Relaxation behavior study on PET and PET/Ti3N4 nanocomposites

Published online by Cambridge University Press:  24 March 2014

Shenghong Kang ,
Guangtao Fei ,
Xingyou Tian ,
Kang Zheng ,
Xian Zhang  and
Jiapeng Shui
Shenghong Kang*
Affiliation:
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, P.O. Box 1129, Hefei 230031, P.R.China
Guangtao Fei*
Affiliation:
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, P.O. Box 1129, Hefei 230031, P.R.China
Xingyou Tian
Affiliation:
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, P.O. Box 1129, Hefei 230031, P.R.China
Kang Zheng
Affiliation:
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, P.O. Box 1129, Hefei 230031, P.R.China
Xian Zhang
Affiliation:
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, P.O. Box 1129, Hefei 230031, P.R.China
Jiapeng Shui
Affiliation:
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, P.O. Box 1129, Hefei 230031, P.R.China
*
ae-mail: shkang@issp.ac.cn
be-mail: gtfei@issp.ac.cn
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Abstract

The relaxation behavior of neat PET and PET/Ti3N4 nanocomposites was investigated by means of internal friction. The temperature dependence of internal friction exhibit two relaxation peaks i.e. α and β peaks, and both heights of the peaks first increase and then decrease with increasing concentration of Ti3N4 nanoparticles. However, the peak temperature and activation energy for α and β peaks show different change trends with increasing concentration of Ti3N4 nanoparticles, which associated with the changes of nucleation and crystallization of the PET due to the addition of nanoparticles. Further increasing the concentration of Ti3N4 nanoparticles, a third peak, α′ located at the temperature between α and β peaks appears in the PET/Ti3N4 nanocomposites, which may be a physical aging peak.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 65 , Issue 3 , March 2014 , 30402
Copyright
© EDP Sciences, 2014

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