2013
DOI: 10.5380/rsa.v14i3.40899
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FABRICAÇÃO DE PAINÉIS DE PARTÍCULAS DE MADEIRA TAUARI (Couratari oblongifolia) UTILIZANDO RESINA POLIURETANA DE MAMONA

Abstract: Neste trabalho foi estudada a fabricação de painéis de partículas (particleboard) de madeira tauari (Couratari oblongifolia) como forma de melhorar o aproveitamento da madeira oriunda do manejo extrativo da região amazônica, visando diminuir o impacto ambiental provocado pela retirada destas árvores. Os resíduos foram aglomerados com resina poliuretana de mamona, tipo bi componente. Os compósitos foram conformados com densidade nominal de 1000 kgm-3 por prensagem uniaxial a uma pressão de 5 MPa, a 90, 110 e 1… Show more

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“…Proportion 50/50% ratio, density of approximately 1100 Kg/m 3 , water absorption of approximately 8%, swelling of approximately 4% and resistance to flexion around 50 MPa were indicated. Marinho et al 25 and Santos et al, 26 evaluating composites with PU from castor oil matrix and natural fibers, reported density values between 850 and 960 Kg/m 3 . Values of 16%-17% in water absorption was found by Silva 27 who evaluated the properties in composites with natural fibers without chemical treatment and PU from castor oil.…”
Section: Materials Characterizationmentioning
confidence: 99%
“…Proportion 50/50% ratio, density of approximately 1100 Kg/m 3 , water absorption of approximately 8%, swelling of approximately 4% and resistance to flexion around 50 MPa were indicated. Marinho et al 25 and Santos et al, 26 evaluating composites with PU from castor oil matrix and natural fibers, reported density values between 850 and 960 Kg/m 3 . Values of 16%-17% in water absorption was found by Silva 27 who evaluated the properties in composites with natural fibers without chemical treatment and PU from castor oil.…”
Section: Materials Characterizationmentioning
confidence: 99%