Particleboard Manufactured with Bamboo and Coconut Fibers in Different Ratios of Adhesive

Dinhane, Fernanda Christiane Rossetto; Araújo, Isabela Imakawa de; Valarelli, Ivaldo De Domênico; Bueno, Marcus Antônio Pereira; Campos, Cristiane Inácio de

doi:10.4028/www.scientific.net/amr.1088.672

Cited by 4 publications

(4 citation statements)

References 9 publications

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“…References of Brazilian and international research using bamboo as a raw material associated or not with other lignocellulosic material include those carried out by Dinhane et al (2015) who concluded that panels produced with coconut and bamboo fibers is an innovative proposal for the sustainable production of particleboards, for use indoors and dry places. Zaia et al (2015) stated that bamboo particleboards are an economically viable and sustainable alternative for the use of waste generated during bamboo processing.…”

Section: Introductionmentioning

confidence: 99%

Wettability and decay of particleboards manufactured with thermally treated sugarcane residue and bamboo (Dendrocalamus asper) particles

Brito¹,

Bortoletto²,

Paes

2022

Maderas, Cienc. tecnol.

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This study aimed to evaluate the chemical composition of wood particles (control and treated), and the effects of thermal modification and adhesive levels on the wettability and biological resistance of particleboards made of sugarcane residue and bamboo (Dendrocalamus asper). Therefore, 75% bamboo particles and 25% sugarcane residue (bagasse) were used for producing the particleboards. The particles were treated at 220 °C for 3h35min. Urea formaldehyde (UF) adhesive was used in three solid contents (10%, 12% and 14%) based on the dry mass of the particles. The mat was cold pre-consolidated (pressure of 0,5 MPa for 5 min) and after hot consolidated (3,45 MPa, 180 ºC, 10 min). Water and ethylene glycol and two measurement times were used to measure the contact angle. Gloeophyllum trabeum and Rhodonia placenta (brown rot) and Trametes versicolor (white rot) fungi were used for the biological resistance test. There was a change in the chemical composition of the treated particles such as a reduction in the levels of lignin (bagasse and bamboo), total extracts and holocellulose (bagasse). The thermal treatment increased the final contact angles obtained with water. The particleboard surfaces were classified as non-wettable and partially wettable to the tested solvents. The thermal treatment provided biological resistance improvements in the particleboards to the tested fungi, being classified as very resistant to Rhodonia placenta, resistant to very resistant to Gloeophyllum trabeum, and moderate to resistant to Trametes versicolor.

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Section: Introductionmentioning

confidence: 99%

Wettability and decay of particleboards manufactured with thermally treated sugarcane residue and bamboo (Dendrocalamus asper) particles

Brito¹,

Bortoletto²,

Paes

2022

Maderas, Cienc. tecnol.

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“…Research has already been conducted with the objective of producing experimental panels with bamboo associated or not with other lignocellulosic materials or varying some production parameter (Valarelli et al, 2013;Valarelli et al, 2014;Zaia et al, 2015, Dinhane et al, 2015Melo et al, 2015;Morais et al, 2015;Almeida et al, 2017;Abdulkareem & Adeniyi, 2017). The species Dendrocalamus asper (Schult f.) Backer ex Heyne was used for the present experiment due to its good resistance properties.…”

Section: Introductionmentioning

confidence: 99%

Properties of particleboards manufactured from bamboo (Dendrocalamus asper)

Brito

Júnior

2020

Agraria

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Bamboo is a source of industrial raw material with wide geographical distribution. Brazil has good soil and climate conditions for its cultivation, in addition to existing reserves. Advantages of bamboo include: versatility, fast growth and good strength properties. One way of using this material would be as a raw material for manufacturing particleboards. Within this context, this article addresses an evaluation of the physical and mechanical properties of particleboards manufactured from bamboo particles (Dendrocalamus asper (Schult f.). Backer ex Heyne. Particles with 0.50 and 0.85mm granulometry and two conditions (control and treatment by immersion in hot water (70 ± 5 °C) for two hours) were used. Twelve homogeneous particleboards bonded with urea-formaldehyde adhesive with 10% solids were manufactured and the predetermined nominal density for all panels was 650 kg m-3. The properties analyzed were: water absorption, swelling and non-return rate in thickness, density profile, rupture modulus, elastic modulus, screw withdrawal and internal adhesion. Panels consisting of 0.50 mm granulometry showed higher water absorption rates, while panels made of particles treated with hot water and 0.85 mm granulometry showed higher swelling rates and non-return thickness. The panels made of treated particles showed higher density profile values in both layers of the panels. The granulometry did not influence the mechanical properties of the panels, and those with treated particles exhibited significant performance for the surface and top screw withdrawal properties, and internal adhesion. This last mentioned property reached the minimum value required by the standard. The results showed that it is feasible to use bamboo to manufacture particleboards, but it is necessary to adjust some variables such as nominal density, pressing parameters, adhesive content or the inclusion of a less dense material in the composition of the panels.

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“…Bamboo is among such resources; it includes 34 genera and 232 species, of which 174 are endemic in Brazil, and evidences its diversity, although little explored (Arruda et al, 2011). Some species are employed as building elements due to their strength, fl exibility and versatility (Flander and Rovers, 2009), and raw material for the manufacture of particleboards (Almeida et al, 2017;Dinhane et al, 2015;Melo et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Thermal Modification of Sugarcane Waste and Bamboo Particles for the Manufacture of Particleboards

Brito

Bortoletto

2019

Rev. Árvore

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The thermal modification of particles of the paticleboards constituted of agroforest and industrial waste can improves the dimensional stability (thickness variation) and reduces the use of chemicals that can raise the costs of the process or be hazardous to humans and the environment. This study evaluated the effect of the thermal modification on the physical-mechanical properties and density profile of particleboards manufactured from sugarcane bagasse and bamboo (Dendrocalamus asper) (Schult f.) Backer ex Heyne). A mixture of 75% bamboo particles and 25% sugarcane bagasse was subjected to 220 °C temperature for 201 min. Urea-formaldehyde (UF)-based adhesive with three solids contents (10, 12 and 14%) based on the dry mass of the particles was used for the aggregation of the materials. Both temperature and increases in the adhesive content improved their dimensional stability, however, the thermal treatment reduced the mechanical properties. The particleboards composed of treated particles did not meet the minimum specifications established by the Brazilian norm utilized. The densitometric profiles were negatively influenced by the thermal modification and improved by the increase in adhesive content.

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Particleboard Manufactured with Bamboo and Coconut Fibers in Different Ratios of Adhesive

Cited by 4 publications

References 9 publications

Wettability and decay of particleboards manufactured with thermally treated sugarcane residue and bamboo (Dendrocalamus asper) particles

Wettability and decay of particleboards manufactured with thermally treated sugarcane residue and bamboo (Dendrocalamus asper) particles

Properties of particleboards manufactured from bamboo (Dendrocalamus asper)

Thermal Modification of Sugarcane Waste and Bamboo Particles for the Manufacture of Particleboards

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