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|a (JST)44160937
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Mohammad-Fitri, K
|e verfasserin
|4 aut
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|a EFFECTS OF ACCELERATED AND OUTDOOR AGEING ON LEACHABILITY AND PROPERTIES OF COMPREG-LAMINATED SESENDUK WOOD
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
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|a This study evaluated the effects of accelerated and outdoor ageing on compreg-laminated sesenduk (Endospermum diadenum) wood and correlations between these two ageing methods were established. For outdoor ageing, samples were exposed to tropical weather for 1, 3 and 6 months. For accelerated ageing, cyclic boil-dry treatment involving 1, 2, 5 and 10 cycles were employed. Results revealed that density and weight loss were observed after the ageing treatments. After 6 months of outdoor ageing, water absorption of aged phenol formaldehyde and phenol formaldehyde urea-treated samples increased from 3.0 to 13.3% and from 4.1 to 26.6% respectively. Similar behaviour was also observed for samples which underwent 10 cycles of accelerated ageing. Samples subjected to outdoor ageing had thickness swelling higher than that of accelerated ageing (4.3-4.5% vs 2.4-3.7%). Most of the samples lost 8.3 to 22.4% of initial modulus of rupture after 1 month of outdoor ageing. Treated samples retained 61.7 to 77.1% of its initial modulus of elasticity after 10 cycles of accelerated ageing while the untreated samples retained only 48.7%. Emission of formaldehyde decreased with increased exposure times and cyclic boil-dry cycles. As confirmed by Pearson's correlation test, there were good correlations (r = 0.71-0.99) for properties of samples between accelerated ageing and outdoor ageing.
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|a © Forest Research Institute Malaysia 2017
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|a Applied sciences
|x Materials science
|x Materials tests
|x Accelerated aging
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|a Biological sciences
|x Agriculture
|x Agricultural products
|x Plant products
|x Forest products
|x Timber
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|a Biological sciences
|x Biology
|x Physiology
|x Body composition
|x Body weight
|x Weight loss
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|a Applied sciences
|x Materials science
|x Materials
|x Resins
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|a Applied sciences
|x Materials science
|x Materials
|x Composite materials
|x Laminates
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|a Biological sciences
|x Ecology
|x Population ecology
|x Synecology
|x Biocenosis
|x Plant communities
|x Forests
|x Tropical forests
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|a Health sciences
|x Medical conditions
|x Symptoms
|x Physical symptoms
|x Edema
|x Swelling
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|a Applied sciences
|x Materials science
|x Materials
|x Plastics
|x Phenolic resins
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|a Biological sciences
|x Biology
|x Botany
|x Forestry
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|a Physical sciences
|x Chemistry
|x Chemical compounds
|x Functional groups
|x Hydroxyls
|x Alcohols
|x Phenols
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|a research-article
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|a Zaidon, A
|e verfasserin
|4 aut
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|a Lee, SH
|e verfasserin
|4 aut
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|a Nabil-Fikri, L
|e verfasserin
|4 aut
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|a Edi-Suhaimi, B
|e verfasserin
|4 aut
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0 |
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|i Enthalten in
|t Journal of Tropical Forest Science
|d Forest Research Institute Malaysia
|g 29(2017), 2, Seite 198-207
|w (DE-627)385613326
|w (DE-600)2142662-4
|x 25219847
|7 nnns
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|g volume:29
|g year:2017
|g number:2
|g pages:198-207
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|u https://www.jstor.org/stable/44160937
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|d 29
|j 2017
|e 2
|h 198-207
|