Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles

Three layer particleboards were manufactured using hygrothermally treated and untreated Laureliopsis philippiana (tepa) particles with urea-formaldehyde (UF) resin. Hygrothermal treatment consisted of autoclaving particles at 150 °C for 90 min (430 kPa) in a steam saturated atmosphere. Density, mois...

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Autores principales:	Rommel Crespo Gutiérrez, Luis Valenzuela, Hernán Poblete Wilson
Formato:	article
Lenguaje:	EN
Publicado:	University of Zagreb, Faculty of Forestry and Wood Technology 2016
Materias:	Particleboard hygrothermal treatment Laureliopsis philippiana physical properties dimensional stability Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/da555c1b1dac4a6ebc524d07c4cffca8
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spelling	oai:doaj.org-article:da555c1b1dac4a6ebc524d07c4cffca82021-12-02T02:21:14ZPhysical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles10.5552/drind.2016.15470012-67721847-1153https://doaj.org/article/da555c1b1dac4a6ebc524d07c4cffca82016-09-01T00:00:00Zhttp://hrcak.srce.hr/file/246131https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153Three layer particleboards were manufactured using hygrothermally treated and untreated Laureliopsis philippiana (tepa) particles with urea-formaldehyde (UF) resin. Hygrothermal treatment consisted of autoclaving particles at 150 °C for 90 min (430 kPa) in a steam saturated atmosphere. Density, moisture content, swelling and water absorption were determined. Equilibrium moisture, dimensional variation in length and thickness, as well as length and thickness coefficients per every 1 % change in board equilibrium moisture were also determined after acclimatization at different relative air humidity conditions (20 °C; 40, 50, 60, 70, 80 and 90 % RAH). There were significant differences between particleboards made from control and treated particles. Boards manufactured with treated particles showed a reduction in moisture content, swelling and water absorption. Dimensional stability analysis in response to relative air humidity (RAH) showed that the hygrothermal treatment causes a reduction in equilibrium moisture, a decrease in length and thickness dimensional variation, likewise a reduction in length and thickness swelling coefficients.Rommel Crespo GutiérrezLuis ValenzuelaHernán Poblete WilsonUniversity of Zagreb, Faculty of Forestry and Wood TechnologyarticleParticleboardhygrothermal treatmentLaureliopsis philippianaphysical propertiesdimensional stabilityForestrySD1-669.5ENDrvna Industrija, Vol 67, Iss 3, Pp 263-270 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Particleboard hygrothermal treatment Laureliopsis philippiana physical properties dimensional stability Forestry SD1-669.5
spellingShingle	Particleboard hygrothermal treatment Laureliopsis philippiana physical properties dimensional stability Forestry SD1-669.5 Rommel Crespo Gutiérrez Luis Valenzuela Hernán Poblete Wilson Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles
description	Three layer particleboards were manufactured using hygrothermally treated and untreated Laureliopsis philippiana (tepa) particles with urea-formaldehyde (UF) resin. Hygrothermal treatment consisted of autoclaving particles at 150 °C for 90 min (430 kPa) in a steam saturated atmosphere. Density, moisture content, swelling and water absorption were determined. Equilibrium moisture, dimensional variation in length and thickness, as well as length and thickness coefficients per every 1 % change in board equilibrium moisture were also determined after acclimatization at different relative air humidity conditions (20 °C; 40, 50, 60, 70, 80 and 90 % RAH). There were significant differences between particleboards made from control and treated particles. Boards manufactured with treated particles showed a reduction in moisture content, swelling and water absorption. Dimensional stability analysis in response to relative air humidity (RAH) showed that the hygrothermal treatment causes a reduction in equilibrium moisture, a decrease in length and thickness dimensional variation, likewise a reduction in length and thickness swelling coefficients.
format	article
author	Rommel Crespo Gutiérrez Luis Valenzuela Hernán Poblete Wilson
author_facet	Rommel Crespo Gutiérrez Luis Valenzuela Hernán Poblete Wilson
author_sort	Rommel Crespo Gutiérrez
title	Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles
title_short	Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles
title_full	Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles
title_fullStr	Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles
title_full_unstemmed	Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles
title_sort	physical properties of boards manufactured with hygrothermally treated tepa (laureliopsis philippiana looser) particles
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2016
url	https://doaj.org/article/da555c1b1dac4a6ebc524d07c4cffca8
work_keys_str_mv	AT rommelcrespogutierrez physicalpropertiesofboardsmanufacturedwithhygrothermallytreatedtepalaureliopsisphilippianalooserparticles AT luisvalenzuela physicalpropertiesofboardsmanufacturedwithhygrothermallytreatedtepalaureliopsisphilippianalooserparticles AT hernanpobletewilson physicalpropertiesofboardsmanufacturedwithhygrothermallytreatedtepalaureliopsisphilippianalooserparticles
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Physical Properties of Boards Manufactured with Hygrothermally Treated Tepa (Laureliopsis Philippiana Looser) Particles

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