Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/31713
Título: Effects of the corona treatment of rubber tire particles on the properties of particleboards
Palavras-chave: Corona treatment
Particleboards - Physical and mechanical properties
Tratamento corona
Aglomerados - Propriedades físicas e mecânicas
Data do documento: 2017
Editor: NC State University
Citação: VILELA, A. P. et al. Effects of the corona treatment of rubber tire particles on the properties of particleboards. BioResources, [S. l.], v. 12, n. 4, p. 9452-9465, 2017.
Resumo: The aim of this study was to evaluate the effect of corona treatment and rubber tire particle substitution proportion on the properties of particleboard. Treatments consisted of replacing 10%, 20%, and 30% Pinus oocarpa with rubber tire particles, as well as a treatment without added rubber. Rubber particles were submitted to corona treatment. Panels were produced with a nominal density of 650 kg.m−3, a 7% urea-formaldehyde adhesive, a temperature of 200 °C, a specific pressure of 3.92 MPa, and pressing time of 8 min. Panels were evaluated to determine their physical properties, including water absorption and thickness swelling after 2 h and 24 h of water immersion (TS2h and TS24h), and for mechanical properties including internal bond strength (IB), modulus of rupture (MOR), and modulus of elasticity (MOE) in static bending. Using a 30% rubber tire particle substitution proportion significantly improved the TS24h and non-return rate in thickness (NRRT) of the panels. However, rubber addition significantly decreased the mechanical properties, and only panels with up to 10% rubber met the minimum requirements of the EN 312 (2003) standard for MOR, MOE, and IB in panels for internal use (including furniture).
URI: http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_12_4_9452_Vilela_Corona_Treatment_Rubber_Tire_Particles
http://repositorio.ufla.br/jspui/handle/1/31713
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