Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material

ilustraciones, diagramas, tablas

Autores:: Herrera Builes, Jhon Fredy

Tipo de recurso:: Doctoral thesis

Fecha de publicación:: 2021

Institución:: Universidad Nacional de Colombia

Repositorio:: Universidad Nacional de Colombia

Idioma:: eng

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network_acronym_str	UNACIONAL2
network_name_str	Universidad Nacional de Colombia
repository_id_str
dc.title.eng.fl_str_mv	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
dc.title.translated.spa.fl_str_mv	Caracterización de la madera pinus oocarpa Schiede ex Schltdl.var.ochoterenai como materia prima estructural
title	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
spellingShingle	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material 630 - Agricultura y tecnologías relacionadas 670 - Manufactura::674 - Procesamiento de madera aserrada, productos de madera, corchos Arboles maderables Industria de la madera Timber Woodworking industry Pinus oocarpa Eficiencia anti contracción Modificación de madera Química de la madera Anatomia de la madera Flexión estática Static flexion Wood modification Chemical wood Anatomical wood Anti-swelling efficiency
title_short	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
title_full	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
title_fullStr	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
title_full_unstemmed	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
title_sort	Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material
dc.creator.fl_str_mv	Herrera Builes, Jhon Fredy
dc.contributor.advisor.none.fl_str_mv	Osorio Saraz, Jairo Alexander
dc.contributor.author.none.fl_str_mv	Herrera Builes, Jhon Fredy
dc.contributor.researchgroup.spa.fl_str_mv	Grupo de Investigación Ciencias Forestales
dc.subject.ddc.spa.fl_str_mv	630 - Agricultura y tecnologías relacionadas 670 - Manufactura::674 - Procesamiento de madera aserrada, productos de madera, corchos
topic	630 - Agricultura y tecnologías relacionadas 670 - Manufactura::674 - Procesamiento de madera aserrada, productos de madera, corchos Arboles maderables Industria de la madera Timber Woodworking industry Pinus oocarpa Eficiencia anti contracción Modificación de madera Química de la madera Anatomia de la madera Flexión estática Static flexion Wood modification Chemical wood Anatomical wood Anti-swelling efficiency
dc.subject.lemb.spa.fl_str_mv	Arboles maderables Industria de la madera
dc.subject.lemb.eng.fl_str_mv	Timber Woodworking industry
dc.subject.proposal.spa.fl_str_mv	Pinus oocarpa Eficiencia anti contracción Modificación de madera Química de la madera Anatomia de la madera Flexión estática
dc.subject.proposal.eng.fl_str_mv	Static flexion Wood modification Chemical wood Anatomical wood Anti-swelling efficiency
description	ilustraciones, diagramas, tablas
publishDate	2021
dc.date.issued.none.fl_str_mv	2021-03
dc.date.accessioned.none.fl_str_mv	2022-03-28T15:05:54Z
dc.date.available.none.fl_str_mv	2022-03-28T15:05:54Z
dc.type.spa.fl_str_mv	Trabajo de grado - Doctorado
dc.type.driver.spa.fl_str_mv	info:eu-repo/semantics/doctoralThesis
dc.type.version.spa.fl_str_mv	info:eu-repo/semantics/acceptedVersion
dc.type.coar.spa.fl_str_mv	http://purl.org/coar/resource_type/c_db06
dc.type.content.spa.fl_str_mv	Text
dc.type.redcol.spa.fl_str_mv	http://purl.org/redcol/resource_type/TD
format	http://purl.org/coar/resource_type/c_db06
status_str	acceptedVersion
dc.identifier.uri.none.fl_str_mv	https://repositorio.unal.edu.co/handle/unal/81396
dc.identifier.instname.spa.fl_str_mv	Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv	Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv	https://repositorio.unal.edu.co/
url	https://repositorio.unal.edu.co/handle/unal/81396 https://repositorio.unal.edu.co/
identifier_str_mv	Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv	eng
language	eng
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dc.rights.license.spa.fl_str_mv	Atribución-NoComercial-SinDerivadas 4.0 Internacional
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dc.rights.accessrights.spa.fl_str_mv	info:eu-repo/semantics/openAccess
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dc.format.extent.spa.fl_str_mv	xv, 84 páginas
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dc.publisher.spa.fl_str_mv	Universidad Nacional de Colombia
dc.publisher.program.spa.fl_str_mv	Medellín - Ciencias Agrarias - Doctorado en Ciencias Agrarias
dc.publisher.department.spa.fl_str_mv	Departamento de Ciencias Forestales
dc.publisher.faculty.spa.fl_str_mv	Facultad de Ciencias Agrarias
dc.publisher.place.spa.fl_str_mv	Medellín, Colombia
dc.publisher.branch.spa.fl_str_mv	Universidad Nacional de Colombia - Sede Medellín
institution	Universidad Nacional de Colombia
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spelling	Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Osorio Saraz, Jairo Alexander93075c8ef7e485f88a2db8981e3b16a0600Herrera Builes, Jhon Fredy4401ea745cc1eb2569ba84db1d7a2dfa600Grupo de Investigación Ciencias Forestales2022-03-28T15:05:54Z2022-03-28T15:05:54Z2021-03https://repositorio.unal.edu.co/handle/unal/81396Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramas, tablasThe wood obtained from fast-growing plantations is an effective substitute for wood from natural forests, thus helping in reducing the pressure on these ecosystems. However, this wood presents problems of low dimensional stability and low physical and mechanical properties which limits its use as structural raw material. This doctoral thesis presents the changes in the properties of modified wood as a result of using polymer impregnation and the effect of heat treatment on Pinus oocarpa wood from forest plantation origin. The wood samples were impregnated in hot bath at 95 °C, and then impregnated at room temperature; the effects were evaluated related to the results of density, dimensional stability, bending strength and compression parallel to the grain, the assessment of the wood was carried out under the Colombian Technical Standards NTC 290, 663, 784. The effects of heat treatments at 170 °C and 190 °C for 2.5 hours in saturated vapor were evaluated based on their color, dimensional stability, air-dry and basic densities, modulus of elasticity (MOE), and modulus of rupture (MOR) in static bending. The evaluations were carried out following the Colombian Technical Standards NTC 290 and 663, and the color changes resulting from heat treatments were monitored using the CIE-Lab. In addition, changes caused by the thermal modification on the chemical composition and microstructure of wood were evaluated. The evaluation of chemical changes was performed following the Tappi standards and Fourier Transform Infrared Spectroscopy (FTIR), and the wood microstructure was characterized by optical microscopy. With the modification of polymer impregnation, the density increased, the anti-swelling efficiency was 60%; the modulus of rupture in static flexion increased 20%, modulus of elasticity 39% and compression parallel to the grain increased 8%. For the effect of thermal modification treatment there was a low mass loss. The air-dry and basic densities were higher in 170 °C treatment and increased the dimensional stability of the treated wood; after treatment, the general color change (∆E) increased gradually with the increase in the treatment temperature, resulting in a high color change to a very different color; the bending strength of thermally modified wood was improved and significantly increased to values higher than those of unmodified wood. In the evaluation of chemical changes, the results showed a decrease in holocellulose content and the lignin content and extractives increased. C-O groups were degraded and -CH3 groups (lignin) were increased during thermal modification. Thickness of the tracheid walls decreased in earlywood and in latewood; lumen diameters increased in earlywood and in latewood. Impregnation with polymers evidenced wood with greater dimensional stability and better physical and mechanical properties. The high densities, improved dimensional stability and resistance to bending, and attractive appearance of the treated wood indicate that the modifications applied are a promising alternative for the transformation of Pinus oocarpa wood into a raw material with a high added value.La madera que se obtiene de bosques plantados de rápido crecimiento son una de las alternativas para sustituir la madera proveniente de bosque natural, disminuyendo de esta forma la presión que se tiene sobre estos ecosistemas. Sin embargo, la madera de rápido crecimiento presenta problemas de poca estabilidad dimensional y bajas propiedades físicas y mecánicas lo cual limita su uso como materia prima estructural. En la presente tesis doctoral se desarrolla la evaluación de los efectos causados de las modificaciones por medio de impregnación de polimeros y por tratamiento térmicos sobre las propiedades de la madera Pinus oocarpa de origen de plantación forestal. Se desarrolló la impregnación de polimeros en baño caliente a 95 ° C, y luego impregnados a temperatura ambiente, se evaluaron los cambios sobre la densidad, estabilidad dimensional, flexión estática y compresión paralela al grano, las evaluaciones se llevaron a cabo bajo las Normas Técnicas Colombianas NTC 290, 663, 784; los efectos de los tratamientos térmicos a 170 y 190 ° C durante 2.5 h en vapor saturado se evaluaron con base en el color, la estabilidad dimensional, las densidades básica y seca al aire, el módulo de elasticidad (MOE) y el módulo de ruptura (MOR) en flexión estática. Las evaluaciones se realizaron siguiendo las Normas Técnicas Colombianas NTC 290 y 663, y los cambios de color resultantes de los tratamientos térmicos se monitorearon mediante el CIE-Lab. Además, se evaluaron los cambios provocados por la modificación térmica en la composición química y microestructura de la madera. La evaluación de los cambios químicos se realizó siguiendo los estándares de Tappi y Espectroscopía Infrarroja por Transformada de Fourier (FTIR), y la microestructura de la madera se caracterizó por microscopía óptica. Con la modificación de impregnación de polimeros la densidad aumentó, la eficacia anti-hinchamiento fue del 60%; el módulo de ruptura en flexión estática aumentó un 20%, el módulo de elasticidad un 39% y la compresión paralela a la fibra aumentó un 8%. Para la modificación de tratamiento térmico hubo una baja pérdida de masa. Las densidades básica y seca al aire fueron mayores en el tratamiento a 170 ° C, y aumentaron la estabilidad dimensional de la madera tratada; después del tratamiento el cambio de color general (∆E ) aumentó gradualmente con el aumento de la temperatura de tratamiento, lo que resultó en un cambio de color alto a un color muy diferente; la resistencia a la flexión de la madera modificada térmicamente se mejoró y aumentó significativamente a valores superiores a los de la madera sin modificar. Se presento una disminución del contenido de holocelulosa y los contenidos de lignina y los extractos aumentaron; Los grupos C-O se degradaron y los grupos -CH3 (lignina) aumentaron durante la modificación térmica. El espesor de las paredes de las traqueidas disminuyó tanto en la madera temprana y tardía; los diámetros de los lumenes aumentaron en la madera temprana y tardía. La impregnación con polímeros evidenció madera con mayor estabilidad dimensional y mejores propiedades físicas y mecánicas. Las altas densidades, la estabilidad dimensional mejorada y el aumento de la resistencia de la madera, y el atractivo aspecto de la madera tratada indican que las modificaciones aplicadas son una alternativa prometedora para la transformación de la madera de Pinus oocarpa en una materia prima de alto valor agregado. (Texto tomado de la fuente)DoctoradoDoctor en Ciencias AgrariasProductos ForestalesÁrea Curricular en Producción Agraria Sosteniblexv, 84 páginasapplication/pdfengUniversidad Nacional de ColombiaMedellín - Ciencias Agrarias - Doctorado en Ciencias AgrariasDepartamento de Ciencias ForestalesFacultad de Ciencias AgrariasMedellín, ColombiaUniversidad Nacional de Colombia - Sede Medellín630 - Agricultura y tecnologías relacionadas670 - Manufactura::674 - Procesamiento de madera aserrada, productos de madera, corchosArboles maderablesIndustria de la maderaTimberWoodworking industryPinus oocarpaEficiencia anti contracciónModificación de maderaQuímica de la maderaAnatomia de la maderaFlexión estáticaStatic flexionWood modificationChemical woodAnatomical woodAnti-swelling efficiencyCharacterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw materialCaracterización de la madera pinus oocarpa Schiede ex Schltdl.var.ochoterenai como materia prima estructuralTrabajo de grado - Doctoradoinfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_db06Texthttp://purl.org/redcol/resource_type/TDAdamopoulos, S., Hosseinpourpia, R., Mai, C. 2015. 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Journal of Materials Chemistry A 2, 3110–3118InvestigadoresORIGINAL98.585.713.pdf98.585.713.pdfTesis de Doctorado en Ciencias Agrariasapplication/pdf1751672https://repositorio.unal.edu.co/bitstream/unal/81396/5/98.585.713.pdf2b0f4df42db85e23a13405e0147533a0MD55LICENSElicense.txtlicense.txttext/plain; charset=utf-84074https://repositorio.unal.edu.co/bitstream/unal/81396/6/license.txt8153f7789df02f0a4c9e079953658ab2MD56CC-LICENSEJhon Fredy Herrera Builes_Licencia_Cap_V.pdfJhon Fredy Herrera Builes_Licencia_Cap_V.pdfLicencia capitulo 5application/pdf262415https://repositorio.unal.edu.co/bitstream/unal/81396/7/Jhon%20Fredy%20Herrera%20Builes_Licencia_Cap_V.pdfe0f4cafa556ce83ec72fc71a53085956MD57THUMBNAIL98.585.713.pdf.jpg98.585.713.pdf.jpgGenerated Thumbnailimage/jpeg4606https://repositorio.unal.edu.co/bitstream/unal/81396/8/98.585.713.pdf.jpg18c0c295a563ef59c10d1f5fd3a96a09MD58unal/81396oai:repositorio.unal.edu.co:unal/813962023-11-28 07:59:48.135Repositorio Institucional Universidad 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Colombiarepositorio_nal@unal.edu.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

Characterization of the wood Pinus oocarpa Schiede ex Schltdl.var.ochoterenai as structural raw material

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