The Dynamic Viscoelastic Behavior of Wood-Plastic Composites

Pei Ying Liu; Zhi Hong Jiang

doi:10.4028/www.scientific.net/AMR.815.639

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 815The Dynamic Viscoelastic Behavior of Wood-Plastic...

The Dynamic Viscoelastic Behavior of Wood-Plastic Composites

Abstract:

Wood-plastic composite is a kind of viscoelastic materials. This paper presents the dynamic viscoelastic behavior of WPCs at different temperature, frequency and bamboo flours levels. The storage modulus decreased with the rise of temperature, the loss modulus and tanδ increased as temperature increased but decreased after reaching the peak. Frequency had a little influence on storage modulus and loss modulus, but the glass transition temperature increased with the increase of frequency, while the tanδ decreased. The glass transition temperature of this kind WPCs is about 85°C. The addition of bamboo flours had a positive effect on the dynamic viscoelastic behavior. From the results above, the activation energy of the WPCs was measured using an Arrhenius relationship to investigate the interphase between the wood and plastic.

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Progress in Materials Science and Engineering: ICMSE 2013

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Periodical:

Advanced Materials Research (Volume 815)

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639-644

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.815.639

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Online since:

October 2013

Authors:

Pei Ying Liu, Zhi Hong Jiang

Keywords:

Dynamic Viscoelasticity, Loss Modulus, Storage Modulus, Tanδ

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