Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas

Detalhes bibliográficos
Ano de defesa: 2004
Autor(a) principal: Dacosta, Lourdes Patricia Elias lattes
Orientador(a): Haselein, Clovis Roberto lattes
Banca de defesa: Santini, Elio José lattes, Rizzatti, Eduardo lattes
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal de Santa Maria
Centro de Ciências Rurais
Programa de Pós-Graduação: Programa de Pós-Graduação em Engenharia Florestal
Departamento: Recursos Florestais e Engenharia Florestal
País: Brasil
Palavras-chave em Português:
Engenharia florestal
Industria da madeira
Madeira
Processamento mecanico
Aglomerado
Fabricação de chapas
Área do conhecimento CNPq:
CNPQ::CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL
Link de acesso: http://repositorio.ufsm.br/handle/1/16973
Resumo: The objective of this work was to investigate the quality of particleboard manufactured with residue of slash pine, coming from the wood mechanical processing. The boards were produced with two types of residues, hammermilled sawmill headrig chips and planer shavings, used pure or mixed. The adhesive used was urea-formaldehyde resin in proportions of 4, 8 and 12% (based on ovendry weight of wood particles) and nominal densities were 0,6 and 0,7 g/cm3. There were evaluated the bending properties, internal bond, screw withdrawal, water absorption and thickness swelling. The results indicated that the bending properties increased with the proportion of maravalha, with the board density and adhesive content. Internal bond and screw withdrawal values were larger using adhesive content between 8 and 12% and larger density of the boards, independent of the type of the residue. For water absorption, using adhesive content between 8 and 12%, larger nominal board density and planer shavings, the values were smaller. The same behaviour was observed in relationship to thickness swelling of the boards. Observing the results it was possible to conclude that using planer shavings, combined with larger proportions of adhesive and board density, adequate panel can be produced.
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spelling 2019-06-12T20:32:25Z2019-06-12T20:32:25Z2004-01-26http://repositorio.ufsm.br/handle/1/16973The objective of this work was to investigate the quality of particleboard manufactured with residue of slash pine, coming from the wood mechanical processing. The boards were produced with two types of residues, hammermilled sawmill headrig chips and planer shavings, used pure or mixed. The adhesive used was urea-formaldehyde resin in proportions of 4, 8 and 12% (based on ovendry weight of wood particles) and nominal densities were 0,6 and 0,7 g/cm3. There were evaluated the bending properties, internal bond, screw withdrawal, water absorption and thickness swelling. The results indicated that the bending properties increased with the proportion of maravalha, with the board density and adhesive content. Internal bond and screw withdrawal values were larger using adhesive content between 8 and 12% and larger density of the boards, independent of the type of the residue. For water absorption, using adhesive content between 8 and 12%, larger nominal board density and planer shavings, the values were smaller. The same behaviour was observed in relationship to thickness swelling of the boards. Observing the results it was possible to conclude that using planer shavings, combined with larger proportions of adhesive and board density, adequate panel can be produced.Este trabalho teve como objetivo avaliar a qualidade dos painéis aglomerados confeccionados com resíduos de Pinus elliotti (Engelm.), resultantes do processamento mecânico da madeira. As chapas foram produzidas com dois tipos de resíduos, serragem e maravalha, utilizadas puras ou misturadas. O adesivo utilizado foi a base de uréia-formaldeído em proporções de 4, 8 e 12 % com base no peso seco das partículas de madeira, e as densidades nominais das chapas foram de 0,6 e 0,7 g/cm3. Foram avaliadas as propriedades de flexão estática, ligação interna, arrancamento de parafusos, absorção d’água e inchamento em espessura. Os valores das propriedades de flexão estática aumentaram com a proporção de maravalha, com a densidade da chapa, e com o teor de adesivo. No caso da ligação interna e do arrancamento de parafusos, os valores foram maiores usando teores de adesivo entre 8 e 12 %, e maior densidade, independente do tipo de resíduo. Para absorção d’água, usando teor de adesivo entre 8 e 12 %, maior densidade nominal da chapa, e maravalha, os valores foram baixos. O mesmo comportamento foi observado em relação ao inchamento em espessura das chapas. Observando os resultados, pode-se concluir que usando as partículas do tipo maravalha, misturada com maiores percentagens de adesivo, e maiores densidades, são obtidas chapas com qualidade satisfatória.porUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em Engenharia FlorestalUFSMBrasilRecursos Florestais e Engenharia FlorestalAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessEngenharia florestalIndustria da madeiraMadeiraProcessamento mecanicoAglomeradoFabricação de chapasCNPQ::CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTALUtilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradasUse of residues of wood mechanical processing for the production of particleboardinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisHaselein, Clovis Robertohttp://lattes.cnpq.br/5522749609471065Santini, Elio Joséhttp://lattes.cnpq.br/1939844237237675Rizzatti, Eduardohttp://lattes.cnpq.br/2907271596071103http://lattes.cnpq.br/6969921238492190Dacosta, Lourdes Patricia Elias50020000000360015fcfbe5-5d49-492f-90d2-8e04e0effcdcb6baff58-a820-4ba9-8dc5-d5d29baca0c3c205518d-4830-438e-a329-e05916e24665168ddbe9-e73b-4690-982a-ebf37d172d8dreponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGEF_2004_DACOSTA_LOURDES.pdfDIS_PPGEF_2004_DACOSTA_LOURDES.pdfDissertação de Mestradoapplication/pdf769300http://repositorio.ufsm.br/bitstream/1/16973/1/DIS_PPGEF_2004_DACOSTA_LOURDES.pdf530a11ec56af67bc817a468335a41fa7MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
dc.title.alternative.eng.fl_str_mv Use of residues of wood mechanical processing for the production of particleboard
title Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
spellingShingle Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
Dacosta, Lourdes Patricia Elias
Engenharia florestal
Industria da madeira
Madeira
Processamento mecanico
Aglomerado
Fabricação de chapas
CNPQ::CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL
title_short Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
title_full Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
title_fullStr Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
title_full_unstemmed Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
title_sort Utilização de resíduos do processamento mecânico da madeira para a fabricação de chapas de partículas aglomeradas
author Dacosta, Lourdes Patricia Elias
author_facet Dacosta, Lourdes Patricia Elias
author_role author
dc.contributor.advisor1.fl_str_mv Haselein, Clovis Roberto
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/5522749609471065
dc.contributor.referee1.fl_str_mv Santini, Elio José
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/1939844237237675
dc.contributor.referee2.fl_str_mv Rizzatti, Eduardo
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/2907271596071103
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/6969921238492190
dc.contributor.author.fl_str_mv Dacosta, Lourdes Patricia Elias
contributor_str_mv Haselein, Clovis Roberto
Santini, Elio José
Rizzatti, Eduardo
dc.subject.por.fl_str_mv Engenharia florestal
Industria da madeira
Madeira
Processamento mecanico
Aglomerado
Fabricação de chapas
topic Engenharia florestal
Industria da madeira
Madeira
Processamento mecanico
Aglomerado
Fabricação de chapas
CNPQ::CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL
dc.subject.cnpq.fl_str_mv CNPQ::CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL
description The objective of this work was to investigate the quality of particleboard manufactured with residue of slash pine, coming from the wood mechanical processing. The boards were produced with two types of residues, hammermilled sawmill headrig chips and planer shavings, used pure or mixed. The adhesive used was urea-formaldehyde resin in proportions of 4, 8 and 12% (based on ovendry weight of wood particles) and nominal densities were 0,6 and 0,7 g/cm3. There were evaluated the bending properties, internal bond, screw withdrawal, water absorption and thickness swelling. The results indicated that the bending properties increased with the proportion of maravalha, with the board density and adhesive content. Internal bond and screw withdrawal values were larger using adhesive content between 8 and 12% and larger density of the boards, independent of the type of the residue. For water absorption, using adhesive content between 8 and 12%, larger nominal board density and planer shavings, the values were smaller. The same behaviour was observed in relationship to thickness swelling of the boards. Observing the results it was possible to conclude that using planer shavings, combined with larger proportions of adhesive and board density, adequate panel can be produced.
publishDate 2004
dc.date.issued.fl_str_mv 2004-01-26
dc.date.accessioned.fl_str_mv 2019-06-12T20:32:25Z
dc.date.available.fl_str_mv 2019-06-12T20:32:25Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://repositorio.ufsm.br/handle/1/16973
url http://repositorio.ufsm.br/handle/1/16973
dc.language.iso.fl_str_mv por
language por
dc.relation.cnpq.fl_str_mv 500200000003
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dc.rights.driver.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Universidade Federal de Santa Maria
Centro de Ciências Rurais
dc.publisher.program.fl_str_mv Programa de Pós-Graduação em Engenharia Florestal
dc.publisher.initials.fl_str_mv UFSM
dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv Recursos Florestais e Engenharia Florestal
publisher.none.fl_str_mv Universidade Federal de Santa Maria
Centro de Ciências Rurais
dc.source.none.fl_str_mv reponame:Manancial - Repositório Digital da UFSM
instname:Universidade Federal de Santa Maria (UFSM)
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instname_str Universidade Federal de Santa Maria (UFSM)
instacron_str UFSM
institution UFSM
reponame_str Manancial - Repositório Digital da UFSM
collection Manancial - Repositório Digital da UFSM
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