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High Thermal Conductivity Shape-Stabilized Phase Change Materials

Published online by Cambridge University Press:  21 March 2011

Min Xiao ,
Luyi Sun ,
Chengya Huang ,
Yonghua Zhang  and
Kecheng Gong
Min Xiao
Affiliation:
Polymer Structure & Modification Lab, South China University of Technology, Guangzhou, 510640, P. R., China
Luyi Sun
Affiliation:
Department of Chemistry, University of Alabama, Tuscaloosa, AL 35487, U.S.A. Polymer Structure & Modification Lab, SouthChina University of Technology, Guangzhou, 510640, P. R. China
Chengya Huang
Affiliation:
Polymer Structure & Modification Lab, South China University of Technology, Guangzhou, 510640, P. R., China
Yonghua Zhang
Affiliation:
Polymer Structure & Modification Lab, South China University of Technology, Guangzhou, 510640, P. R., China
Kecheng Gong
Affiliation:
Polymer Structure & Modification Lab, South China University of Technology, Guangzhou, 510640, P. R., China
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Abstract

In this paper, shape-stabilized phase change materials (PCMs) based on paraffin and thermoplastic elastomer poly(styrene-butadiene-styrene) are prepared. The shape-stabilized PCMs can keep the same shape in a solid state even when their temperature is above the melting point of the paraffin. They exhibit same phase transition characteristics as paraffin and up to 80% of the latent heat of paraffin. Thermal conductivity of the shape-stabilized PCMs is increased significantly by the introduction of expanded graphite (EG). The time for complete solidification and complete melting of the composite P(80)/S(20)/EG(3) is two ninths and two fifths of paraffin, respectively.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 661: Symposium KK – Filled & Nanocomposite Polymer Materials , 2000 , KK8.12
Copyright
Copyright © Materials Research Society 2001

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References

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