Scholarship 10/14407-7 - Aproveitamento de subprodutos - BV FAPESP
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Production and performance evaluation of particle boards of Eucalyptus sp. made with the addition of oat hulls.

Grant number: 10/14407-7
Support Opportunities:Scholarships in Brazil - Master
Start date until: March 01, 2011
End date until: July 31, 2012
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal Investigator:Francisco Antonio Rocco Lahr
Grantee:Luciano Donizeti Varanda
Host Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil

Abstract

Reforested wood, such as the genera Eucalyptus and Pinus, are replacing native essences in various segments of timber industry, as in the furniture industry, industry panels, industrial structures of wood and construction, just by the rapid growth of these species and increasing industrial demand for forest resources. At the same time, considering the significant volume of waste oat hulls generated in the country, (about 500 000 t of oats were produced in 2009: oat hulls represents 25-30% of the same weight, about 150 000 t per year) makes their use feasible for adding value to a material with potential environmental risk if not reused. In this project, panels will be produced with Eucalyptus sp particles and oat hulls addition, bonded under pressure with two types of resins (polyurethane based on castor oil and urea-formaldehyde). Alternatively, the toxicity of the adhesives, polyurethane resin based on castor oil, developed at the Institute of Chemistry of Sao Carlos, USP, is a national technology. The physical-mechanical performance of the panels produced in the laboratory will be evaluated based on the normative document ABNT:NBR14810-3, 2003. The performance over time is possible with the aid of accelerated aging equipment. It is hoped that the results obtained confirm the viability of using waste oat hulls added to particles of Eucalyptus sp in the production of particle boards.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
VARANDA, LUCIANO DONIZETI; ALESI, LETICIA SANT'ANNA; YAMAJI, FABIO MINORU; PANZERA, TULIO HALLAK; CHRISTOFORO, ANDRE LUIS; ROCCO LAHR, FRANCISCO ANTONIO. Mechanical properties of accelerated aging particleboards. SCIENTIA FORESTALIS, v. 47, n. 123, p. 571-578, . (10/14407-7)
VARANDA, LUCIANO DONIZETI; CHRISTOFORO, ANDRE LUIS; DE ALMEIDA, DIEGO HENRIQUE; LOPES SILVA, DIOGO APARECIDO; PANZERA, TULIO HALLAK; ROCCO LAHR, FRANCISCO ANTONIO. Evaluation of modulus of elasticity in static bending of particleboards manufactured with Eucalyptus grandis wood and oat hulls. ACTA SCIENTIARUM-TECHNOLOGY, v. 36, n. 3, p. 405-411, . (10/14407-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
VARANDA, Luciano Donizeti. Production and performance evaluation of particleboard made from Eucalyptus grandis addition of oat hulls. 2012. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC/BT) São Carlos.

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