Dimensional stability and strength properties of oil palm lumber with bioresin treatment
The purpose of this study was to measure the dimensional stability and strength properties of oil palm lumber treated with gull1 rosin. A total 30 of oil palm trees of high yielding tenera variety were obtained from Sungei Kahang Estate in Johor. For basic properties, test samples in pith to periphe...
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my-usim-ddms-12391 |
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uketd_dc |
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Universiti Sains Islam Malaysia |
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USIM Institutional Repository |
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English |
| topic |
Gum rosin Oil palm lumber Flexural strength properties |
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Gum rosin Oil palm lumber Flexural strength properties Hamid Alkhair Badrul Dimensional stability and strength properties of oil palm lumber with bioresin treatment |
| description |
The purpose of this study was to measure the dimensional stability and strength properties of oil palm lumber treated with gull1 rosin. A total 30 of oil palm trees of high yielding tenera variety were obtained from Sungei Kahang Estate in Johor. For basic properties, test samples in pith to periphery zone at different tree heights were analyzed by using various analytical techniques. All tests were conducted according to standard test procedures. Based on results, basic properties related parameters that include moisture content (MC) and basic density of oil palm lumber were highly dependent on the distance in radial plane with tree heights. With regards the resin treatment, oil palm billets were sawn into lumber scantlings and dried to 10 ± 2% MC. After drying, dried lumber was impregnated with a gum rosin using a vacuum infusion system and followed by a densification process. With the introduction of grooves and channels, the resin flow were dispersed homogenously within the lumber matrix. The dimensional stability of densified resin treated lumber was determined by measuring its antiswelling efficiency (ASE) while three point bending procedure were employed for flexural strength properties. A positive ASE value indicated that the gum rosin had penetrated into the cell wall and subsequently cross-linked, leading to bulking along interestial spaces of parenchyma cells. The flexural strength of densified gum rosin-treated lumber was significantly stronger that those lumbers devoided of gum rosin, which in turn, was related to their basic properties related parameters. These results collectively should provide some insight to understanding of factors that influence the physical and mechanical properties of oil palm trunk, which when combined with a corresponding changes in material handling and processing may point the way forward to a satisfactory conversion and efficient utilization for sawn lumber productions. |
| format |
Thesis |
| author |
Hamid Alkhair Badrul |
| author_facet |
Hamid Alkhair Badrul |
| author_sort |
Hamid Alkhair Badrul |
| title |
Dimensional stability and strength properties of oil palm lumber with bioresin treatment |
| title_short |
Dimensional stability and strength properties of oil palm lumber with bioresin treatment |
| title_full |
Dimensional stability and strength properties of oil palm lumber with bioresin treatment |
| title_fullStr |
Dimensional stability and strength properties of oil palm lumber with bioresin treatment |
| title_full_unstemmed |
Dimensional stability and strength properties of oil palm lumber with bioresin treatment |
| title_sort |
dimensional stability and strength properties of oil palm lumber with bioresin treatment |
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Universiti Sains Islam Malaysia |
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| spelling |
my-usim-ddms-123912024-05-29T19:38:10Z Dimensional stability and strength properties of oil palm lumber with bioresin treatment Hamid Alkhair Badrul The purpose of this study was to measure the dimensional stability and strength properties of oil palm lumber treated with gull1 rosin. A total 30 of oil palm trees of high yielding tenera variety were obtained from Sungei Kahang Estate in Johor. For basic properties, test samples in pith to periphery zone at different tree heights were analyzed by using various analytical techniques. All tests were conducted according to standard test procedures. Based on results, basic properties related parameters that include moisture content (MC) and basic density of oil palm lumber were highly dependent on the distance in radial plane with tree heights. With regards the resin treatment, oil palm billets were sawn into lumber scantlings and dried to 10 ± 2% MC. After drying, dried lumber was impregnated with a gum rosin using a vacuum infusion system and followed by a densification process. With the introduction of grooves and channels, the resin flow were dispersed homogenously within the lumber matrix. The dimensional stability of densified resin treated lumber was determined by measuring its antiswelling efficiency (ASE) while three point bending procedure were employed for flexural strength properties. A positive ASE value indicated that the gum rosin had penetrated into the cell wall and subsequently cross-linked, leading to bulking along interestial spaces of parenchyma cells. The flexural strength of densified gum rosin-treated lumber was significantly stronger that those lumbers devoided of gum rosin, which in turn, was related to their basic properties related parameters. These results collectively should provide some insight to understanding of factors that influence the physical and mechanical properties of oil palm trunk, which when combined with a corresponding changes in material handling and processing may point the way forward to a satisfactory conversion and efficient utilization for sawn lumber productions. Universiti Sains Islam Malaysia 2018-07 Thesis en https://oarep.usim.edu.my/handle/123456789/12391 https://oarep.usim.edu.my/bitstreams/7daab7a9-470e-4e91-ab61-fa55fc12eba1/download 8a4605be74aa9ea9d79846c1fba20a33 https://oarep.usim.edu.my/bitstreams/25125e42-9609-461a-a94e-b64e1cbdd15e/download 4d4fc208cf8bfd02f91003a453cba79e https://oarep.usim.edu.my/bitstreams/9c006dc4-fdc6-4fc7-986c-81b9a6d4cc4d/download 9a01a0e3d382851bc6b1018db42de60a https://oarep.usim.edu.my/bitstreams/6dc5916f-5a0e-49a7-8b35-0037e7c7899e/download e609e0a92df768e4e9b67ec12aa4902c https://oarep.usim.edu.my/bitstreams/41954f89-6d69-44e0-a7c4-876b088df2bd/download 9f569f04c3dfd5d3a15dbc387705a4f8 https://oarep.usim.edu.my/bitstreams/e9acbd55-1118-4e76-8774-cf38be367fd8/download 7f56243f2f2aa2cac31b62d66c224d4e https://oarep.usim.edu.my/bitstreams/cf773a23-ce74-4ee2-a421-d1ebe761ca15/download 39e0d8c162c9610f98ad0c36ed381d00 https://oarep.usim.edu.my/bitstreams/9598c7a1-a268-4e5e-82be-a2d42386c8b7/download eabdc56f5f601ef700a5e63672dfd5d1 https://oarep.usim.edu.my/bitstreams/1608a70d-844b-42af-b621-2669aef62260/download 2afb652bb361f84fbcaaef48497f7fa3 https://oarep.usim.edu.my/bitstreams/f62ead13-f35c-4023-967e-e91cd4820cda/download 68b329da9893e34099c7d8ad5cb9c940 https://oarep.usim.edu.my/bitstreams/299da44b-2084-4ab2-a2d3-7b938d81c735/download 24e648839aa31918bceb936aff170ec0 https://oarep.usim.edu.my/bitstreams/c993faf4-bb14-4012-b5a4-e5e5e0d34139/download 6d93d3216dc4a7f5df47d4876fbec4d3 https://oarep.usim.edu.my/bitstreams/2511beaa-3d2e-415f-89d5-f0b0b5c1c7d5/download 0c41cb9ebc221e5a4d63a04469104e4c https://oarep.usim.edu.my/bitstreams/45990559-f38f-4e70-9b59-e989f5e8d34f/download 24e648839aa31918bceb936aff170ec0 https://oarep.usim.edu.my/bitstreams/e31bf5ea-0d7b-4611-9ab6-5c4b2b8d6209/download 7f5b903a193cc66524e06d8c0458e34a https://oarep.usim.edu.my/bitstreams/5fc674d2-b4af-4eed-b153-e4798db6d122/download cc9067c2ee470dc248b14b194209a34e https://oarep.usim.edu.my/bitstreams/267742bc-428a-4667-905c-66f2ce7be9f7/download 55182c43eecf0429a975fdcdddb487e7 Gum rosin Oil palm lumber Flexural strength properties |