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Effect of Reprocessing Cycles on the Morphology and Properties of Poly(propylene)/Wood Flour Composites Compatibilized with EBAGMA Terpolymer

✍ Scribed by Mustapha Kaci; Amel Hamma; Isabelle Pillin; Yves Grohens

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
553 KB
Volume
294
Category
Article
ISSN
1438-7492

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✦ Synopsis

Abstract

The present study is aimed to investigate the effect of multiple extrusions of iPP/WF composites with and without EBAGMA used as compatibilizer. The degradation induced by the recycling processes was evaluated through changes in molecular structure, morphology, rheology, thermal and mechanical properties. The results showed that after six cycles, the presence of WF imparts stability to the composite materials. This effect was enhanced for the compatibilized samples. Further, SEM revealed better dispersion of the WF in the matrix. In contrast, it was confirmed that after the first recycling, both the molecular weight and the properties of PP drastically decreased due to chain scission resulting from degradation.

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