The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood

The potential of utilising 4-year-old Gigantochloa scortechinii culms for structural plywood was evaluated based on their gluing, physical and mechanical properties. Bamboo strips (without epidermis) were glued together edge to edge using polyvinyl acetate to produce a ply of 400 mm x 400 mm x 4 mm....

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Main Authors: Uyup, Mohd Khairun Anwar, Ashaari, Zaidon, Md. Tahir, Paridah, Wahab, Razak
Format: Article
Language:English
English
Published: 2004
Subjects:
Online Access:http://psasir.upm.edu.my/id/eprint/18405/
http://psasir.upm.edu.my/id/eprint/18405/1/The%20potential%20of%20utilising%20bamboo%20culm.pdf
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author Uyup, Mohd Khairun Anwar
Ashaari, Zaidon
Md. Tahir, Paridah
Wahab, Razak
author_facet Uyup, Mohd Khairun Anwar
Ashaari, Zaidon
Md. Tahir, Paridah
Wahab, Razak
author_sort Uyup, Mohd Khairun Anwar
building UPM Institutional Repository
collection Online Access
description The potential of utilising 4-year-old Gigantochloa scortechinii culms for structural plywood was evaluated based on their gluing, physical and mechanical properties. Bamboo strips (without epidermis) were glued together edge to edge using polyvinyl acetate to produce a ply of 400 mm x 400 mm x 4 mm. The plies were assembled perpendicularly to each other to form a bamboo plywood of three plies. Phenol formaldehyde was used as a binder. The assembly time of the adhesive was 30 min. The hot press temperature and pressure were 140°C and 1.4 N/mm2, respectively, and they were maintained for 6.5 min. A commercial structural grade 5-ply plywood (Hopea sp.) with the same thickness of the bamboo plywood (12 mm) was used for comparison purposes. The bonding strength of bamboo plywood meets the minimum standard requirement of the Malaysian Standard. The modulus of rupture (MOR), modulus of elasticity (MOE) and compression parallel to grain of the bamboo plywood were significantly higher compared to commercial plywood. The values were 65.4 vs. 42.0 N/mm 2 for MOR and 8955 vs. 4583 N/mm2 for MOE and 35.39 vs. 19.93 N/mm2 (compression parallel to grain). The width expansion and thickness swelling of bamboo plywood (after soaking in water 24 h) were markedly higher than commercial plywood, i.e. 1.51 vs. 0.43% and 5.44 vs. 4.42%, respectively.
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language English
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publishDate 2004
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spelling upm-184052015-10-07T03:10:35Z http://psasir.upm.edu.my/id/eprint/18405/ The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood Uyup, Mohd Khairun Anwar Ashaari, Zaidon Md. Tahir, Paridah Wahab, Razak The potential of utilising 4-year-old Gigantochloa scortechinii culms for structural plywood was evaluated based on their gluing, physical and mechanical properties. Bamboo strips (without epidermis) were glued together edge to edge using polyvinyl acetate to produce a ply of 400 mm x 400 mm x 4 mm. The plies were assembled perpendicularly to each other to form a bamboo plywood of three plies. Phenol formaldehyde was used as a binder. The assembly time of the adhesive was 30 min. The hot press temperature and pressure were 140°C and 1.4 N/mm2, respectively, and they were maintained for 6.5 min. A commercial structural grade 5-ply plywood (Hopea sp.) with the same thickness of the bamboo plywood (12 mm) was used for comparison purposes. The bonding strength of bamboo plywood meets the minimum standard requirement of the Malaysian Standard. The modulus of rupture (MOR), modulus of elasticity (MOE) and compression parallel to grain of the bamboo plywood were significantly higher compared to commercial plywood. The values were 65.4 vs. 42.0 N/mm 2 for MOR and 8955 vs. 4583 N/mm2 for MOE and 35.39 vs. 19.93 N/mm2 (compression parallel to grain). The width expansion and thickness swelling of bamboo plywood (after soaking in water 24 h) were markedly higher than commercial plywood, i.e. 1.51 vs. 0.43% and 5.44 vs. 4.42%, respectively. 2004 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/18405/1/The%20potential%20of%20utilising%20bamboo%20culm.pdf Uyup, Mohd Khairun Anwar and Ashaari, Zaidon and Md. Tahir, Paridah and Wahab, Razak (2004) The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood. Journal of Bamboo and Rattan, 3 (4). pp. 393-400. ISSN 1569-1586 http://dx.doi.org/10.1163/1569159042464653 Plywood industry Bamboo - Research - Malaysia doi:10.1163/1569159042464653 English
spellingShingle Plywood industry
Bamboo - Research - Malaysia
Uyup, Mohd Khairun Anwar
Ashaari, Zaidon
Md. Tahir, Paridah
Wahab, Razak
The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood
title The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood
title_full The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood
title_fullStr The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood
title_full_unstemmed The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood
title_short The potential of utilising bamboo culm (Gigantochloa scortechinii) in the production of structural plywood
title_sort potential of utilising bamboo culm (gigantochloa scortechinii) in the production of structural plywood
topic Plywood industry
Bamboo - Research - Malaysia
url http://psasir.upm.edu.my/id/eprint/18405/
http://psasir.upm.edu.my/id/eprint/18405/
http://psasir.upm.edu.my/id/eprint/18405/
http://psasir.upm.edu.my/id/eprint/18405/1/The%20potential%20of%20utilising%20bamboo%20culm.pdf