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Influence of the wood fibre filler on the internal recycling of poly(vinyl chloride)-based composites

Augier, Laurent and Sperone, Gianluca and Vaca-Garcia, Carlos and Borredon, Marie-Elisabeth Influence of the wood fibre filler on the internal recycling of poly(vinyl chloride)-based composites. (2007) Polymer Degradation and Stability, 92 (7). 1169-1176. ISSN 0141-3910

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Official URL: https://doi.org/10.1016/j.polymdegradstab.2007.04.010


The recycling of internal waste of poly(vinyl chloride) (PVC) and wood fibre-reinforced PVC composite was investigated and compared. Twenty extrusion-milling cycles were performed and the mechanical and thermal properties evaluated. This comparison provided evidence of the influence of the vegetable fibres on the thermo-mechanical degradation of the composite material. Up to five cycles, the composite properties remained stable. But after 10 cycles and especially at 20 cycles, the flexural strength increased, whereas the other mechanical properties remained almost constant. At the same time, a decrease of the degradation temperature revealed a deterioration of the molecular structure. The PVC properties remained constant, whereas a great increase in the impact strength was observed after 20 cycles without deterioration of the molecular structure. The different behaviours between the composite and the PVC were explained by the influence of the fibres, which accelerated the PVC degradation, characterized by dehydrochlorination followed by crosslinking reactions.

Item Type:Article
HAL Id:hal-02072802
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
French research institutions > Institut National de la Recherche Agronomique - INRA (FRANCE)
Laboratory name:
Deposited On:19 Mar 2019 13:27

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