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The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing

The aim of the presented study was to apply various bark species (birch, beech, maple, pine and spruce) as fillers for urea-formaldehyde (UF) resin in three-layer plywood manufacturing. For this purpose, all types of bark were ground and added to the adhesive mixture. The resultant plywood was subje...

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Autores principales: Walkiewicz, Joanna, Kawalerczyk, Jakub, Mirski, Radosław, Dziurka, Dorota, Wieruszewski, Marek
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9610697/
https://www.ncbi.nlm.nih.gov/pubmed/36295268
http://dx.doi.org/10.3390/ma15207201
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author Walkiewicz, Joanna
Kawalerczyk, Jakub
Mirski, Radosław
Dziurka, Dorota
Wieruszewski, Marek
author_facet Walkiewicz, Joanna
Kawalerczyk, Jakub
Mirski, Radosław
Dziurka, Dorota
Wieruszewski, Marek
author_sort Walkiewicz, Joanna
collection PubMed
description The aim of the presented study was to apply various bark species (birch, beech, maple, pine and spruce) as fillers for urea-formaldehyde (UF) resin in three-layer plywood manufacturing. For this purpose, all types of bark were ground and added to the adhesive mixture. The resultant plywood was subjected to investigations of the following: tensile strength, modulus of elasticity (MOE), bending strength (MOR) and formaldehyde emission. The results indicate a reduction in the tensile strength. Moreover, the lack of significant improvement in strength parameters can be explained by too high a load of the filler (20 wt%). In the case of formaldehyde emissions, a reduction was observed for birch (B-1), beech (B-2), maple (B-3) and pine bark (B-4). In addition, an increase in the emission of formaldehyde was recorded only for spruce bark.
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spelling pubmed-96106972022-10-28 The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing Walkiewicz, Joanna Kawalerczyk, Jakub Mirski, Radosław Dziurka, Dorota Wieruszewski, Marek Materials (Basel) Article The aim of the presented study was to apply various bark species (birch, beech, maple, pine and spruce) as fillers for urea-formaldehyde (UF) resin in three-layer plywood manufacturing. For this purpose, all types of bark were ground and added to the adhesive mixture. The resultant plywood was subjected to investigations of the following: tensile strength, modulus of elasticity (MOE), bending strength (MOR) and formaldehyde emission. The results indicate a reduction in the tensile strength. Moreover, the lack of significant improvement in strength parameters can be explained by too high a load of the filler (20 wt%). In the case of formaldehyde emissions, a reduction was observed for birch (B-1), beech (B-2), maple (B-3) and pine bark (B-4). In addition, an increase in the emission of formaldehyde was recorded only for spruce bark. MDPI 2022-10-15 /pmc/articles/PMC9610697/ /pubmed/36295268 http://dx.doi.org/10.3390/ma15207201 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Walkiewicz, Joanna
Kawalerczyk, Jakub
Mirski, Radosław
Dziurka, Dorota
Wieruszewski, Marek
The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing
title The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing
title_full The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing
title_fullStr The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing
title_full_unstemmed The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing
title_short The Application of Various Bark Species as a Fillers for UF Resin in Plywood Manufacturing
title_sort application of various bark species as a fillers for uf resin in plywood manufacturing
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9610697/
https://www.ncbi.nlm.nih.gov/pubmed/36295268
http://dx.doi.org/10.3390/ma15207201
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