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Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard
This study investigated the effects of different citric acid content on the physico-mechanical and biological durability of rubberwood particleboard. Particleboards with density of 700 kg/m(3) were produced with three different citric acid contents, namely 10, 15 and 20 wt%. Particleboards made from...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7795821/ https://www.ncbi.nlm.nih.gov/pubmed/33383726 http://dx.doi.org/10.3390/polym13010098 |
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author | Huaxu, Zhou Hua, Lee Seng Tahir, Paridah Md Ashaari, Zaidon Al-Edrus, Syeed SaifulAzry Osman Ibrahim, Nor Azowa Abdullah, Luqman Chuah Mohamad, Siti Fatahiyah |
author_facet | Huaxu, Zhou Hua, Lee Seng Tahir, Paridah Md Ashaari, Zaidon Al-Edrus, Syeed SaifulAzry Osman Ibrahim, Nor Azowa Abdullah, Luqman Chuah Mohamad, Siti Fatahiyah |
author_sort | Huaxu, Zhou |
collection | PubMed |
description | This study investigated the effects of different citric acid content on the physico-mechanical and biological durability of rubberwood particleboard. Particleboards with density of 700 kg/m(3) were produced with three different citric acid contents, namely 10, 15 and 20 wt%. Particleboards made from 10 wt% urea formaldehyde (UF) resin were served as control for comparison purposes. FTIR analysis was carried out and the formation of ester linkages between -OH on cellulose and carbonyl groups of citric acid was confirmed. The peak intensity increased along with increasing citric content, which indicated that a higher amount of ester linkages were formed at higher citric acid content. Citric acid-bonded particleboard had inferior physical properties (water absorption and thickness swelling) and mechanical properties (internal bonding strength, modulus of rupture and modulus of elasticity) compared to that of the UF-bonded particleboard. However, the performance of particleboard was enhanced with increasing citric acid content. Meanwhile, citric acid-bonded particleboard displayed significantly better fungal and termite resistance than UF-bonded particleboard owing to the acidic nature of citric acid. It can be concluded that citric acid is a suitable green binder for particleboard but some improvement is needed during the particleboard production process. |
format | Online Article Text |
id | pubmed-7795821 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-77958212021-01-10 Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard Huaxu, Zhou Hua, Lee Seng Tahir, Paridah Md Ashaari, Zaidon Al-Edrus, Syeed SaifulAzry Osman Ibrahim, Nor Azowa Abdullah, Luqman Chuah Mohamad, Siti Fatahiyah Polymers (Basel) Article This study investigated the effects of different citric acid content on the physico-mechanical and biological durability of rubberwood particleboard. Particleboards with density of 700 kg/m(3) were produced with three different citric acid contents, namely 10, 15 and 20 wt%. Particleboards made from 10 wt% urea formaldehyde (UF) resin were served as control for comparison purposes. FTIR analysis was carried out and the formation of ester linkages between -OH on cellulose and carbonyl groups of citric acid was confirmed. The peak intensity increased along with increasing citric content, which indicated that a higher amount of ester linkages were formed at higher citric acid content. Citric acid-bonded particleboard had inferior physical properties (water absorption and thickness swelling) and mechanical properties (internal bonding strength, modulus of rupture and modulus of elasticity) compared to that of the UF-bonded particleboard. However, the performance of particleboard was enhanced with increasing citric acid content. Meanwhile, citric acid-bonded particleboard displayed significantly better fungal and termite resistance than UF-bonded particleboard owing to the acidic nature of citric acid. It can be concluded that citric acid is a suitable green binder for particleboard but some improvement is needed during the particleboard production process. MDPI 2020-12-29 /pmc/articles/PMC7795821/ /pubmed/33383726 http://dx.doi.org/10.3390/polym13010098 Text en © 2020 by the authors. 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 (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Huaxu, Zhou Hua, Lee Seng Tahir, Paridah Md Ashaari, Zaidon Al-Edrus, Syeed SaifulAzry Osman Ibrahim, Nor Azowa Abdullah, Luqman Chuah Mohamad, Siti Fatahiyah Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard |
title | Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard |
title_full | Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard |
title_fullStr | Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard |
title_full_unstemmed | Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard |
title_short | Physico-Mechanical and Biological Durability of Citric Acid-Bonded Rubberwood Particleboard |
title_sort | physico-mechanical and biological durability of citric acid-bonded rubberwood particleboard |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7795821/ https://www.ncbi.nlm.nih.gov/pubmed/33383726 http://dx.doi.org/10.3390/polym13010098 |
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