Abstract
ABSTRACT: This paper aimed to evaluate the technological properties of particleboards produced with particles of unconventional species, bamboo of the species Phyllostachys edulis, and of the genus traditionally used by the sector for the production of the particulate panels in Brazil, Pinus spp.The bamboo splints of 3 years old were collected in Frei Rogério, Santa Catarina, being transformed into particles in a mill hammer, while the particles of Pinus spp. were collected from the industrial process of MDP production in Bonet Madeiras e Papéis Ltda Company in Santa Cecília, Santa Catarina. The company used eight-year-old logs of P. taeda and P. elliottii from the thinning process, without distinction of the species. The experiment was composed of five compositions with mixing the bamboo and wood particles in different proportions ((T1)100:0%; (T2)75:25%; (T3)50:50%; (T4)25:75%; (T5)0:100%). The panels were produced nominal density of 700 kg / m³ and pressing cycle of 160ºC and 40 kgf/cm² for 8 minutes. Results reporting physical and mechanical properties of panels were evaluated through Analysis of Variance and Tukey´s Test at 95% probability. The results evidenced that bamboo particles presented potential for the production of particleboard. The most promising results were presented with the addition of 50% of bamboo in the panel composition (T3), mainly by means observed for dimensional stability, as for strength and stiffness. Values of internal bond presented significantly lower averages with the addition of more than 25% of bamboo.
Highlights
Medium Density Fiberboard (MDF), High Density Fiberboard (HDF), Medium Density Particleboard (MDP) and Oriented Strand Board (OSB) are the main reconstituted wood products made in Brazil
MORAIS et al (2015) pointed out that the globalized market requires the research for new materials to produce reconstituted panels, which should enable cost reduction, superior technical efficiency or equivalent to raw materials traditionally used by industry, and low environmental impacts
According to MORAIS et al (2015), the replacement of wood by bamboo species, or incorporation of these species into wood products has already occurred in countries such as China, Philippines and Colombia, since it is a lignocellulosic material with properties and quality like wood
Summary
Medium Density Fiberboard (MDF), High Density Fiberboard (HDF), Medium Density Particleboard (MDP) and Oriented Strand Board (OSB) are the main reconstituted wood products made in Brazil. Risk of not supplying the demand for wood raw material to produce these panels is imminent. Considering that, MISKALO (2009) said that the logs are being used for mechanical processing, with decreasing ages and giving signs of exhaustion of forest reserves. In this context, MORAIS et al (2015) pointed out that the globalized market requires the research for new materials to produce reconstituted panels, which should enable cost reduction, superior technical efficiency or equivalent to raw materials traditionally used by industry, and low environmental impacts. The bamboo species, play an increasingly important role in reducing pressure on forest resources and are considered by many as the substitute for wood (MERA et al, 2014). According to MORAIS et al (2015), the replacement of wood by bamboo species, or incorporation of these species into wood products has already occurred in countries such as China, Philippines and Colombia, since it is a lignocellulosic material with properties and quality like wood
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