Journal
JOURNAL OF NATURAL FIBERS
Volume 19, Issue 9, Pages 3265-3274Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15440478.2020.1841067
Keywords
Rigid foam; sawdust; sisal; vegetable-based polyurethane; mechanical properties; natural fibers
Categories
Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior [88882.432231/2019-01]
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Polyurethane foam derived from vegetable oils was used as a matrix in composites with Pinus taeda sawdust and Agave sisalana fibers. Composites with a composition of 50% foam, 37.5% sawdust and 12.5% sisal showed the highest bending resistance and best results after immersion, making them suitable for furniture and craft use.
Polyurethane foam derived from vegetable oils can be used as a matrix in composites with Pinus taeda sawdust and Agave sisalana fibers. The aim of this work was to obtain and characterize polyurethane foam composites derived from vegetable oil reinforced with Pinus taeda sawdust and dispersed sisal short fiber. The composites were produced in five different proportions and were analyzed by images, mechanical and physical tests. Composites with 50% foam, 37.5% sawdust and 12.5% sisal had the highest bending resistance, 11.31 MPa, and the best results after 2 hours of immersion. Composites were considered suitable for furniture and craft use.
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