D. A. C. Gomes, E. H. N. Miranda, L. Bufalino, M. G. da Silva, G. C. Ferreira, L. M. Mendes, J. B. G. Júnior
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Physical and mechanical properties of low-density particleboards of Amazon jupati palm and pinewood
Low-density particleboards (LDP) with different levels of jupati particles (0%, 25%, 50%, 75%, and 100%) combined with Pinus oocarpa (pine wood) particles were produced with 10% urea–formaldehyde and a target density of 600 kg/m3. A complete characterization of jupati particles was carried out. Physical, mechanical, and microstructure tests have proven its performance in LDP. The characterization of jupati revealed excellent low density (120 kg/m3) and adequate extractive content (6.90%), that is, below 10% for LDP production. Water absorption and swelling of LDP thickness increased with increasing jupati levels. The mechanical properties of all jupati-containing LDP were reduced compared to 100% pine wood particleboards but met standardized requirements. Thermal conductivities were similar among all particleboards, but 100% jupati particleboard panels presented superior acoustic insulation. Alone or combined with pine wood, jupati can maintain or improve the thermal and acoustic insulation of the LDP, maintaining adequate mechanical resistance.
期刊介绍：
International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management.
A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made.
The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.
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