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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2005, Volume 42, Issue 4,





Composites Based on Thermoplastic Matrices and on Termosensitive Reinforcement Materials


Abstract:
This paper presents the obtaining of some composite materials using wood waste (wood chips) and polymer. As thermoplastic matrix, a copolyamide polymer having a low melting interval (125-135°C) was used. Composites were obtained using a two-stage technology: a) wood-polymer pellets obtaining by melt mixing the components; b) composites obtaining by moulding the pellets into a heated press. The influence of wood content on composites properties was studied. Morphological details (by optical and electronic microscopy), thermal behaviour (through TGA and DSC analyses), mechanical properties (tensile, bending and impact strength) and behaviour towards water were investigated. It was concluded that, for a wood content higher than 40%, mechanical properties are getting poorer. Still, even the bending strength is decreasing, it remains 2-8 times higher than that of the composites based on polyolefinic matrix and wood chips. Keywords: composite materials, thermoplastic matrix, copolyamide polymer



Issue: 2005 Volume 42, Issue 4
Pages:
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