Physico-Mechanical Properties of Wood-Plastic Produced with Forest Species and Thermoplastic Materials

Abstract This research aims to evaluate the physico-mechanical properties of wood-plastic composites produced with recycled polyethylene terephthalate, high-density polyethylene, low-density polyethylene and polypropylene, and sawdust from the following species: Pinus caribaea, Pinus cubensis, Cedre...

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Bibliographic Details
Published in:Floresta e ambiente 2020-01, Vol.27 (2)
Main Authors: Martinez-Lopez, Yonny, Paes, Juarez Benigno, Gonçalves, Fabricio Gomes, Martínez-Rodríguez, Emilio, Medeiros Neto, Pedro Nicó de
Format: Article
Language:English
Subjects:
forestry industry
PLANT SCIENCES
recycling
wastes
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Summary:Abstract This research aims to evaluate the physico-mechanical properties of wood-plastic composites produced with recycled polyethylene terephthalate, high-density polyethylene, low-density polyethylene and polypropylene, and sawdust from the following species: Pinus caribaea, Pinus cubensis, Cedrela odorata, Talipariti elatum and Eucalyptus sp. Composites were obtained by extrusion with dimension of 1,000 × 250 × 16 mm (length × width × thickness), through six treatments. The following physico-mechanical properties were evaluated: density, moisture content, water absorption and thickness swelling, compression, static bending and traction. Treatment 6 obtained the best results, with 1,060 kg m-3 density, 5.23% moisture content, 0.32% water absorption, and 0.18% thickness swelling. Compressive strength was 138.10 MPa, static bending 18.53 MPa, and traction 29.4 MPa. The technology developed has prospects for large-scale production.
ISSN:1415-0980
2179-8087
2179-8087
DOI:10.1590/2179-8087.073617