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Relaxation Behaviors of Polystyrene during Physical Aging

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Abstract:

The relaxation behaviors of PS below Tg and its variation trend along with aging time were studied by DSC, fluorescence spectrum and XRD. On the basis of DSC results, the kinetics of the volume and enthalpy relaxation process were analyzed, and the influence of the aging time on the relaxation behaviors were discussed. The results of fluorescence spectrum and XRD indicated the presence of the rearrangement of polymer chains in the physical aging of polystyrene.

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Periodical:

Advanced Materials Research (Volumes 557-559)

Pages:

1479-1482

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.557-559.1479

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Online since:

July 2012

Authors:

Yao Liu, Cong De Qiao, Jin Shui Yao, Wen Ke Yang

Keywords:

Free Volume, Physical Aging, Relaxation Behavior

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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