Rheological, Mechanical and Thermal Behaviour of Wood Polymer Composites Based on Recycled Polypropylene |
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Authors: | A Ares R Bouza S G Pardo M J Abad and L Barral |
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Institution: | (1) Grupo de Pol?meros, Departamento de F?sica, E.U.P.-Ferrol, Universidad de A Coru?a, Avda. 19 Febrero, s/n, 15405 Ferrol, Spain |
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Abstract: | The aim of this paper was to investigate the effect of recycled polypropylene (PP) on the rheological, mechanical and thermal
properties of wood flour polypropylene composites. Beforehand, the influence of wood flour treated with a coupling agent on
the rheological behaviour had been looked at. By analysing moduli and viscosity curves and studying the thermal and mechanical
properties of samples with 10% filler it was possible to see that the recycled PP that was added change in either its physical
properties or its rheology. In the other wood plastic composites (WPC) studied, slight changes in the rheology behaviour were
observed. However, the same processing parameters may be used with and without recycled PP. Recycled PP is appropriate for
these kinds of composites to maintain the optimal rheological properties that make it easier to process the material by extrusion.
Furthermore, it is also possible to maintain the thermal and mechanical properties in comparison with the behaviour of virgin
PP/wood flour composites. |
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