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Liquefied wood as a partial substitute of melamine-urea-formaldehyde and urea-formaldehyde resins

2015Journal article Open access
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dc.contributor.authorEsteves, Bruno
dc.contributor.authorMartins, João
dc.contributor.authorMartins, Jorge
dc.contributor.authorCruz-Lopes, Luísa
dc.contributor.authorVicente, José
dc.contributor.authorDomingos, Idalina
dc.date.accessioned2017-02-02T09:05:05Z
dc.date.available2017-02-02T09:05:05Z
dc.date.issued2015
dc.description.abstractMaritime pine (Pinus pinaster) sawdust was used to produce liquefied wood by the polyhydric method with acid catalysis. The process was optimized to produce the highest amount of liquefied wood. Wood liquefied at 160ºC for 90 min was used in the adhesion tests. The bond strength of veneer glued with urea-formaldehyde and melamine-urea-formaldehyde resins and several mixtures of liquefied wood with urea- formaldehyde and melamine-urea-formaldehyde wasevaluated by automated bonding evaluation system. With the increase in liquefied wood content the bond strength decreased. Nevertheless for 20% liquefied wood the reduction of internal bond strength is relatively small and still within the minimum standards required. When 70% of liquefied wood is employed there is a significant decrease in bond strength. In conclusion it is possible to use a small amount of maritime pine sawdust liquefied wood as a partial substitute of urea-formaldehyde and melamine-urea-formaldehyde resins in the particleboard production, thus decreasing the formaldehyde content.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationEsteves, Bruno, Martins, João, Martins, Jorge, Cruz-Lopes, Luísa, Vicente, José, & Domingos, Idalina. (2015). Liquefied wood as a partial substitute of melamine-urea-formaldehyde and urea-formaldehyde resins. Maderas. Ciencia y tecnología, 17(2), 277-284.pt_PT
dc.identifier.doi10.4067/S0718-221X2015005000026pt_PT
dc.identifier.issn0718-221X
dc.identifier.urihttp://hdl.handle.net/10400.19/4299
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherScielopt_PT
dc.relation.publisherversionhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2015000200006pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectAutomated bonding evaluation systempt_PT
dc.subjectLiquefied woodpt_PT
dc.subjectParticleboardpt_PT
dc.subjectPinus pinasterpt_PT
dc.subjectResinpt_PT
dc.titleLiquefied wood as a partial substitute of melamine-urea-formaldehyde and urea-formaldehyde resinspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage284pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage277pt_PT
oaire.citation.volume17pt_PT
person.familyNameEsteves
person.familyNameGonçalves Oliveira Valente da Cruz-Lopes
person.familyNameDomingos
person.givenNameBruno
person.givenNameLuísa Paula
person.givenNameidalina
person.identifier2119255
person.identifier.ciencia-id521B-63A7-B248
person.identifier.ciencia-id7916-0833-5B38
person.identifier.ciencia-id7116-E1DE-88E7
person.identifier.orcid0000-0001-6660-3128
person.identifier.orcid0000-0001-6502-7202
person.identifier.orcid0000-0002-4308-1563
person.identifier.ridC-2173-2012
person.identifier.scopus-author-id57202554441
person.identifier.scopus-author-id24281086400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationa3351493-41e8-4758-acae-39e3382d0b04
relation.isAuthorOfPublicationfa1274f5-f7f8-4afd-8ed8-5f988d6c7226
relation.isAuthorOfPublication50134ab7-55eb-4e8a-a5ea-5cc54b1468e3
relation.isAuthorOfPublication.latestForDiscoverya3351493-41e8-4758-acae-39e3382d0b04

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