Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content

The objective of this study was to investigate the influence of fiber morphology and molding parameters on the mechanical and physical properties of fiberboards made from rice straw. The rice straw was thermomechanically treated with a twinscrew extruder. Three parameters were investigated: the amou...

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Autores: Theng, Dyna, Arbat Pujolràs, Gerard, Delgado Aguilar, Marc, Ngo, Bunthan, Labonne, Laurent, Mutjé Pujol, Pere, Evon, Philippe
Formato: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2018
País:España
Recursos:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/15936
Acesso em linha:http://hdl.handle.net/10256/15936
Access Level:acceso abierto
Palavra-chave:Compostos termoplàstics
Thermoplastic composites
Fibres naturals -- Propietats mecàniques
Natural fibers -- Mechanical properties
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spelling Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin contentTheng, DynaArbat Pujolràs, GerardDelgado Aguilar, MarcNgo, BunthanLabonne, LaurentMutjé Pujol, PereEvon, PhilippeCompostos termoplàsticsThermoplastic compositesFibres naturals -- Propietats mecàniquesNatural fibers -- Mechanical propertiesThe objective of this study was to investigate the influence of fiber morphology and molding parameters on the mechanical and physical properties of fiberboards made from rice straw. The rice straw was thermomechanically treated with a twinscrew extruder. Three parameters were investigated: the amount of water added at molding (0-20%), lignin content (0-25%), and the liquid/solid ratio used for extrudate production (0.33-1.07). A Doehlert experimental design was used to evaluate the effects of these factors on fiberboard properties. A liquid/solid ratio of 0.4 at extrudate production, the addition of 5% water at molding, and a lignin content of 8.9% were found to be optimal for bending properties. The fiberboard produced in these conditions had a density of 1414 kg/m3 (i.e. the densest board). Maximum flexural strength and elastic modulus were 50.3 MPa and 8.6 GPa, respectively. A thickness swelling of 23.6% and 17.6% water absorption were observed. The statistical analysis suggested that a good compromise between density and flexural properties could be obtained with the addition of 0% water, a lignin content of 25% and a liquid/solid ratio of 0.33 at extrudate production. Polynomial models suggested that the fiberboards produced in such conditions would have a maximum flexural strength of 50 MPa, an elastic modulus of 6.0 GPa, a density of 1102 kg/m3 , and a thickness swelling of 24%Springerinfo2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionpeer-reviewedapplication/pdfhttp://hdl.handle.net/10256/15936http://hdl.handle.net/10256/15936© European Journal of Wood and Wood Products, 2018, vol. undef, núm. undef, p. undefArticles publicats (D-EQATA)Theng, Dyna Arbat Pujolràs, Gerard Delgado Aguilar, Marc Ngo, Bunthan Labonne, Laurent Mutjé Pujol, Pere Evon, Philippe 2018 Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content European Journal Of Wood And Wood Productsreponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1007/s00107-018-1358-0info:eu-repo/semantics/altIdentifier/issn/0018-3768info:eu-repo/semantics/altIdentifier/eissn/1436-736XTots els drets reservatsinfo:eu-repo/semantics/openAccessoai:recercat.cat:10256/159362026-05-29T05:05:01Z
dc.title.none.fl_str_mv Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
title Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
spellingShingle Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
Theng, Dyna
Compostos termoplàstics
Thermoplastic composites
Fibres naturals -- Propietats mecàniques
Natural fibers -- Mechanical properties
title_short Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
title_full Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
title_fullStr Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
title_full_unstemmed Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
title_sort Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content
dc.creator.none.fl_str_mv Theng, Dyna
Arbat Pujolràs, Gerard
Delgado Aguilar, Marc
Ngo, Bunthan
Labonne, Laurent
Mutjé Pujol, Pere
Evon, Philippe
author Theng, Dyna
author_facet Theng, Dyna
Arbat Pujolràs, Gerard
Delgado Aguilar, Marc
Ngo, Bunthan
Labonne, Laurent
Mutjé Pujol, Pere
Evon, Philippe
author_role author
author2 Arbat Pujolràs, Gerard
Delgado Aguilar, Marc
Ngo, Bunthan
Labonne, Laurent
Mutjé Pujol, Pere
Evon, Philippe
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Compostos termoplàstics
Thermoplastic composites
Fibres naturals -- Propietats mecàniques
Natural fibers -- Mechanical properties
topic Compostos termoplàstics
Thermoplastic composites
Fibres naturals -- Propietats mecàniques
Natural fibers -- Mechanical properties
description The objective of this study was to investigate the influence of fiber morphology and molding parameters on the mechanical and physical properties of fiberboards made from rice straw. The rice straw was thermomechanically treated with a twinscrew extruder. Three parameters were investigated: the amount of water added at molding (0-20%), lignin content (0-25%), and the liquid/solid ratio used for extrudate production (0.33-1.07). A Doehlert experimental design was used to evaluate the effects of these factors on fiberboard properties. A liquid/solid ratio of 0.4 at extrudate production, the addition of 5% water at molding, and a lignin content of 8.9% were found to be optimal for bending properties. The fiberboard produced in these conditions had a density of 1414 kg/m3 (i.e. the densest board). Maximum flexural strength and elastic modulus were 50.3 MPa and 8.6 GPa, respectively. A thickness swelling of 23.6% and 17.6% water absorption were observed. The statistical analysis suggested that a good compromise between density and flexural properties could be obtained with the addition of 0% water, a lignin content of 25% and a liquid/solid ratio of 0.33 at extrudate production. Polynomial models suggested that the fiberboards produced in such conditions would have a maximum flexural strength of 50 MPa, an elastic modulus of 6.0 GPa, a density of 1102 kg/m3 , and a thickness swelling of 24%
publishDate 2018
dc.date.none.fl_str_mv 2018
info
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
peer-reviewed
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10256/15936
http://hdl.handle.net/10256/15936
url http://hdl.handle.net/10256/15936
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1007/s00107-018-1358-0
info:eu-repo/semantics/altIdentifier/issn/0018-3768
info:eu-repo/semantics/altIdentifier/eissn/1436-736X
dc.rights.none.fl_str_mv Tots els drets reservats
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Tots els drets reservats
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv © European Journal of Wood and Wood Products, 2018, vol. undef, núm. undef, p. undef
Articles publicats (D-EQATA)
Theng, Dyna Arbat Pujolràs, Gerard Delgado Aguilar, Marc Ngo, Bunthan Labonne, Laurent Mutjé Pujol, Pere Evon, Philippe 2018 Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content European Journal Of Wood And Wood Products
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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