Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)

Thermal modification leads to the degradation of the compounds in wood, thereby changing the chemical composition of wood, which can affect the further wood finishing. In order to determine the effect of thermal modification on wood finishing, it is important to know the properties of its surface. I...

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Autores principales:	Josip Miklečić, Vlatka Jirouš-Rajković
Formato:	article
Lenguaje:	EN
Publicado:	University of Zagreb, Faculty of Forestry and Wood Technology 2016
Materias:	contact angle surface free energy wood chemical composition thermal modification Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/d7bb6d4bf8434427a3ba050ba2f00f30
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spelling	oai:doaj.org-article:d7bb6d4bf8434427a3ba050ba2f00f302021-12-02T02:33:46ZInfluence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)10.5552/drind.2016.15200012-67721847-1153https://doaj.org/article/d7bb6d4bf8434427a3ba050ba2f00f302016-03-01T00:00:00Zhttp://hrcak.srce.hr/file/227938https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153Thermal modification leads to the degradation of the compounds in wood, thereby changing the chemical composition of wood, which can affect the further wood finishing. In order to determine the effect of thermal modification on wood finishing, it is important to know the properties of its surface. In this research, the influence of thermal modification on pH, surface free energy, contact angle of coating and chemical composition of beech wood was studied. The results of this study show that acidity and water contact angle on beech wood was higher and polar component of surface free energy was lower after thermal modification. Furthermore, contact angle of waterborne coating on beech wood was increased by increasing the modification temperature and the content of extractives soluble in hot water and in organic solvent was increased after thermal modification of beech wood.Josip MiklečićVlatka Jirouš-RajkovićUniversity of Zagreb, Faculty of Forestry and Wood Technologyarticlecontact anglesurface free energywood chemical compositionthermal modificationForestrySD1-669.5ENDrvna Industrija, Vol 67, Iss 1, Pp 65-71 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	contact angle surface free energy wood chemical composition thermal modification Forestry SD1-669.5
spellingShingle	contact angle surface free energy wood chemical composition thermal modification Forestry SD1-669.5 Josip Miklečić Vlatka Jirouš-Rajković Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)
description	Thermal modification leads to the degradation of the compounds in wood, thereby changing the chemical composition of wood, which can affect the further wood finishing. In order to determine the effect of thermal modification on wood finishing, it is important to know the properties of its surface. In this research, the influence of thermal modification on pH, surface free energy, contact angle of coating and chemical composition of beech wood was studied. The results of this study show that acidity and water contact angle on beech wood was higher and polar component of surface free energy was lower after thermal modification. Furthermore, contact angle of waterborne coating on beech wood was increased by increasing the modification temperature and the content of extractives soluble in hot water and in organic solvent was increased after thermal modification of beech wood.
format	article
author	Josip Miklečić Vlatka Jirouš-Rajković
author_facet	Josip Miklečić Vlatka Jirouš-Rajković
author_sort	Josip Miklečić
title	Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)
title_short	Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)
title_full	Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)
title_fullStr	Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)
title_full_unstemmed	Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)
title_sort	influence of thermal modification on surface properties and chemical composition of beech wood (fagus sylvatica l.)
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2016
url	https://doaj.org/article/d7bb6d4bf8434427a3ba050ba2f00f30
work_keys_str_mv	AT josipmiklecic influenceofthermalmodificationonsurfacepropertiesandchemicalcompositionofbeechwoodfagussylvatical AT vlatkajirousrajkovic influenceofthermalmodificationonsurfacepropertiesandchemicalcompositionofbeechwoodfagussylvatical
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Influence of Thermal Modification on Surface Properties and Chemical Composition of Beech Wood (Fagus sylvatica L.)

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