Coir and Sisal Fibers as Fillers in the Production of Eucalyptus Medium Density Particleboards - MDP

Mesquita, Ricardo Gabriel de Almeida; Marconcini, J. M.; Sanadi, Anand R.; César, Antônia Amanda da Silva; Tonoli, Gustavo Henrique Denzin; Venås, Thomas Mark; Mendes, Lourival Marin

doi:10.1590/1980-5373-mr-2016-0361

Cited by 5 publications

(6 citation statements)

References 28 publications

(38 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The higher water absorption by the panels with a higher percentage of soybean pods can be explained by the apparent density of the material: in order to obtain the same apparent density of the board, a larger volume of particles is required, resulting in a larger exposed surface, which generates more water sorption sites. Mesquita et al (2016) studied panels with different percentages of Eucalyptus urophylla wood (0, 10 and 20%) and sisal fibers (0, 10 and 20%), and observed a behavior similar to that of this study where, as the proportion of sisal fibers in the mixture increased, there was an increase in water absorption after 2 and 24 hours of immersion in water.…”

Section: Apparent Density and Compaction Ratiosupporting

confidence: 78%

“…As noted above, high extractive concentrations impair resin curing in the board, resulting in weak bonding between particles and resin. Mesquita et al (2016), evaluated the physicomechanical properties of medium-density particleboards produced with different wood proportions (Eucalyptus urophylla), sisal fibers and coconut fibers (coir), and observed that the increase in the percentage of sisal fibers and coir particles results in a decrease in internal bonding. According to César et al (2014), materials that have lower density generate a larger amount of particles for a given weight and thus a higher specific surface requires higher amounts of adhesive to obtain good properties.…”

Section: Mechanical Properties Of Particleboardsmentioning

confidence: 99%

See 1 more Smart Citation

Soybean waste in particleboard production

et al. 2018

Self Cite

View full text Add to dashboard Cite

Brazil is the second largest soybean producer in the world, with a yield of around 96.2 million tons per crop. This high yield leads to a great amount of waste resulting from soybean cultivation, which can reach approximately 41 million tons of waste per year. This material has lignocellulosic properties, which may enable its use as a raw material for particleboard production. Therefore, the objective of this study was to evaluate the use of soybean pods in particleboard production. For particleboard manufacture, wood of the hybrid Eucalyptus urophylla and Eucalyptus grandis was used, added with soybean pods, at proportions of 0%, 25%, 50%, 75% and 100%. For particleboard evaluation, a completely randomized design was used, with five treatments and three replicates, using linear regression and the Scott-Knott test at 5% significance for comparison among the different treatments. The properties apparent density, compaction ratio, water absorption after 2 and 24 hours, thickness swelling after 2 and 24 hours in water immersion, internal bonding, modulus of rupture and modulus of elasticity in bending properties were evaluated. The ratio soybean pod waste and eucalyptus particles in the panels led to an increase in water absorption values and thickness swelling, in addition to a decrease in mechanical properties. The production of panels with approximately 23% soybean pods is feasible.

show abstract

Section: Apparent Density and Compaction Ratiosupporting

confidence: 78%

Section: Mechanical Properties Of Particleboardsmentioning

confidence: 99%

Soybean waste in particleboard production

et al. 2018

Self Cite

View full text Add to dashboard Cite

show abstract

“…The scarcity of raw material supply for wood-based panels has triggered the development of studies in the scientific field. These works are generally intended to seek diversity in sources of lignocellulosic materials to produce particleboards [4][5][6][7] .…”

Section: Introductionmentioning

confidence: 99%

“…Particles by sugarcane, malva fibre from amazon and, wood of pinus taeda was researched 4 to made sandwich particleboard. Medium density particleboards -MDP multi layers was produced with coir and sisal fibers in proportions of 0, 10% and 20% in relation of particles of wood eucalyptus in the core of the particleboards 5 Other agro-industrial solid wastes of lignocellulosic origin like olive stones was used to produce particleboards 6 showing several environmental and economic benefits. Macadamia nut carpel, coffee husk and papaya stem gave rise to particleboards associated with eucalyptus particles in proportions of 10%, 20% and 30% respectively 7 Parallel to the fact, the leather sector in the city of Franca SP generates on average 160 tons of waste per day, about 11.43% of national production 8 This waste may come from the processing of rawhide or leather remnants used in footwear industries.…”

Section: Introductionmentioning

confidence: 99%

Influence of Leather Fiber on Modulus of Elasticity in Bending Test and of Bend Strength of Particleboards

et al. 2021

View full text Add to dashboard Cite

The society's development provides consequences such as the increasing generation of industrial waste. In the city of Franca, São Paulo's inland city, there are footwear industries that generate a large amount of leather waste during their production process. In most cases, there's no use of this waste and they're disposed of in landfills. A reuse alternative is the production of particleboards used in construction sectors. Therefore, one of the biggest challenges is the use of this leather waste adding value to the product and enabling the production of sustainable material. This work proposes the production of particleboards from Eucalyptus wood and leather fibers using castor oil polyurethane adhesive. In addition, the assessment of the leather fiber influence on modulus of rupture and elasticity obtained from a static bending test. The study investigated the proportion of 10%, 25% e 50% leather waste in relation to Eucalyptus particles and 10% castor oil polyurethane adhesive. The mechanical performance of the panels was evaluated based on ABNT NBR 14810-1 and 2 (2013;. The results allowed us to ascertain that the incorporation of 10% leather waste in particleboard rated them, according to NBR 14810-1 and 2 (2013; 2018), as structural panels of type P4 for use in dry conditions.

show abstract

“…A condutividade térmica mais baixa indica que o material é melhor para o isolamento térmico. Mesquita,A. et al (2016) espessura alcançada foi de 2,1 cm, a tipologia T5 2 (1:1.100 o C, 1,2MPa, sem fibra) alcançou a espessura de 1,7cm e para a T7 2 (1:1.100 o C,1,2MPa,com fibra) foi de 2,5 cm.…”

Section: Introductionunclassified

Desenvolvimento e caracterização de compósitos produzidos a partir da reciclagem dos resíduos de café para uso na construção civil

Caetano¹

View full text Add to dashboard Cite

Profundo ver o peso do mundo nas costas de uma mulher..." Minha mãe como professora sempre dizia que não poderíamos escolher essa profissão tão desvalorizada, acontece que para mim, o seu exemplo foi tão maior que suas palavras...Mamãe, agradeço pela força, cuidado, amor e por ter feito de tudo para que pudéssemos ter a oportunidade, através da educação, de sermos livres. E, assim, escolhi a USP como instituição de pesquisa e ensino para prosseguir com os meus estudos e minha vida profissional, um lugar que me impressionou desde o primeiro dia em que me deparei com o que que vi. Primeiro foi o espaço físico, como pode ter um prédio de laboratórios para cada área da química ou da física? Com o tempo fui percebendo que os prédios não eram nada perto do valor das pessoas que construíam essa universidade todos os dias. Não sei se foi sorte, ou se os bons realmente são a maioria, mas tive a oportunidade de conhecer grandes professores/pesquisadores, que se tornaram grandes amigos e também grandes exemplos. É perto dos bons que a gente fica melhor, não é? Em meio as dificuldades intrínsecas a vida acadêmica e a intensa desvalorização desses últimos anos, mesmo após seis anos de USP, ainda me impressiono com o que vejo. Sempre vou agradecer por ter visto e vivenciado de perto como uma educação de qualidade muda tudo.Agradeço ao meu pai pelo constante apoio e também à minha irmã e ao meu irmão, dois super-heróis.Meus agradecimentos a minha avó e ao meu avô (in memoriam) pelo carinho e por sempre se preocuparem com o meu bem-estar. Você está comendo direito? Quer que eu faça um cafezinho para você estudar? Quando você acabar isso que você está fazendo, você vai voltar para cá, não vai? Ao Gabriel, Paula, Mariana e Vanessa agradeço pelo companheirismo desde os anos de escola. Se não fosse a Vanessa e os seus livros emprestados para o processo seletivo de mestrado, não teria conhecido o SHS.A Mariana agradeço pelas revisões de inglês nos artigos, o Gabriel por ter sido a mão talentosa no vídeo do concurso Prêmio Vídeo Pós-graduação e a Paula pelo seu apoio incondicional e palavras certeiras. Estendo esse agradecimento a Jéssica, que apesar de também ser minha conterrânea, conheci durante seu mestrado em São Carlos e suas palavras de incentivo também foram fundamentais.

show abstract

Coir and Sisal Fibers as Fillers in the Production of Eucalyptus Medium Density Particleboards - MDP

Cited by 5 publications

References 28 publications

Soybean waste in particleboard production

Soybean waste in particleboard production

Influence of Leather Fiber on Modulus of Elasticity in Bending Test and of Bend Strength of Particleboards

Desenvolvimento e caracterização de compósitos produzidos a partir da reciclagem dos resíduos de café para uso na construção civil

Contact Info

Product

Resources

About