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Properties and durability of MUF-bonded particleboard treated with boron compound

A mixture of 1:1.54 boric acid (H3B03) to borax, (disodium tetraborate decahydrate (Na2B4O7 H2O) at 0.5% and 1.0% boric acid equivalent (w/w of oven-dried weight particles) were incorporated in rubberwood (Hevea brasiliensis) particleboards by immediately spraying the boron compounds solution onto t...

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Main Authors: Ashaari, Zaidon, B., Junaidi, M. T., Faridah, Mohd Yunus, Nor Yuziah
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2001
Online Access:http://psasir.upm.edu.my/id/eprint/36445/1/Properties%20and%20durability%20of%20MUF-bonded%20particleboard%20treated%20with%20boron%20compound.pdf
http://psasir.upm.edu.my/id/eprint/36445/
http://www.ukm.my/jsm/english_journals/vol30_2001/vol30_01page177-186.html
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spelling my.upm.eprints.364452016-02-02T05:31:42Z http://psasir.upm.edu.my/id/eprint/36445/ Properties and durability of MUF-bonded particleboard treated with boron compound Ashaari, Zaidon B., Junaidi M. T., Faridah Mohd Yunus, Nor Yuziah A mixture of 1:1.54 boric acid (H3B03) to borax, (disodium tetraborate decahydrate (Na2B4O7 H2O) at 0.5% and 1.0% boric acid equivalent (w/w of oven-dried weight particles) were incorporated in rubberwood (Hevea brasiliensis) particleboards by immediately spraying the boron compounds solution onto the furnish during the blending process. Melamine urea formaldehyde (MUF) resin was used as a binder. The targeted density of the boards was 650 kg/m3. Standard titration method MS 995-1986 was employed to analyse the boric acid loading in the particleboard. The properties and durability against white rot fungus (Pycnoporous sanguineus) of the treated board were evaluated in accordance with JIS-5908-1994 and ASTM D2017–71, respectively. The boric acid loading in the board was in the range of 0.30–0.49% and 0.63-0.86%, respectively when 0.5% and 1.0% of boron compounds were incorporated in the boards. The treatment did not affect the modulus of elasticity (MOE) of the board, however, modulus of rupture (MOR) was slightly reduced. The presence of boric acid significantly increased the durability of the board against white rot fungus, and the resistance towards the fungus increased as the boric loading increases. Penerbit Universiti Kebangsaan Malaysia 2001 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/36445/1/Properties%20and%20durability%20of%20MUF-bonded%20particleboard%20treated%20with%20boron%20compound.pdf Ashaari, Zaidon and B., Junaidi and M. T., Faridah and Mohd Yunus, Nor Yuziah (2001) Properties and durability of MUF-bonded particleboard treated with boron compound. Sains Malaysiana, 30. pp. 177-186. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol30_2001/vol30_01page177-186.html
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A mixture of 1:1.54 boric acid (H3B03) to borax, (disodium tetraborate decahydrate (Na2B4O7 H2O) at 0.5% and 1.0% boric acid equivalent (w/w of oven-dried weight particles) were incorporated in rubberwood (Hevea brasiliensis) particleboards by immediately spraying the boron compounds solution onto the furnish during the blending process. Melamine urea formaldehyde (MUF) resin was used as a binder. The targeted density of the boards was 650 kg/m3. Standard titration method MS 995-1986 was employed to analyse the boric acid loading in the particleboard. The properties and durability against white rot fungus (Pycnoporous sanguineus) of the treated board were evaluated in accordance with JIS-5908-1994 and ASTM D2017–71, respectively. The boric acid loading in the board was in the range of 0.30–0.49% and 0.63-0.86%, respectively when 0.5% and 1.0% of boron compounds were incorporated in the boards. The treatment did not affect the modulus of elasticity (MOE) of the board, however, modulus of rupture (MOR) was slightly reduced. The presence of boric acid significantly increased the durability of the board against white rot fungus, and the resistance towards the fungus increased as the boric loading increases.
format Article
author Ashaari, Zaidon
B., Junaidi
M. T., Faridah
Mohd Yunus, Nor Yuziah
spellingShingle Ashaari, Zaidon
B., Junaidi
M. T., Faridah
Mohd Yunus, Nor Yuziah
Properties and durability of MUF-bonded particleboard treated with boron compound
author_facet Ashaari, Zaidon
B., Junaidi
M. T., Faridah
Mohd Yunus, Nor Yuziah
author_sort Ashaari, Zaidon
title Properties and durability of MUF-bonded particleboard treated with boron compound
title_short Properties and durability of MUF-bonded particleboard treated with boron compound
title_full Properties and durability of MUF-bonded particleboard treated with boron compound
title_fullStr Properties and durability of MUF-bonded particleboard treated with boron compound
title_full_unstemmed Properties and durability of MUF-bonded particleboard treated with boron compound
title_sort properties and durability of muf-bonded particleboard treated with boron compound
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2001
url http://psasir.upm.edu.my/id/eprint/36445/1/Properties%20and%20durability%20of%20MUF-bonded%20particleboard%20treated%20with%20boron%20compound.pdf
http://psasir.upm.edu.my/id/eprint/36445/
http://www.ukm.my/jsm/english_journals/vol30_2001/vol30_01page177-186.html
_version_ 1643831741302964224
score 13.211869

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