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首页> 外文期刊>Open Journal of Composite Materials >Dimensional Stability Properties of Medium Density Fibreboard (MDF) from Treated Oil Palm (Elaeis guineensis) Empty Fruit Bunches (EFB) Fibres
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Dimensional Stability Properties of Medium Density Fibreboard (MDF) from Treated Oil Palm (Elaeis guineensis) Empty Fruit Bunches (EFB) Fibres

机译：处理过的油棕（空果束）空果束（EFB）纤维的中密度纤维板（MDF）的尺寸稳定性

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摘要

The aim of the study was to investigate the effect of pre-treatments by using sodium hydroxide (NaOH) and acetic acid on oil palm Empty Fruit Bunch (EFB) fibres for the production of Medium Density Fibreboard (MDF). The EFB fibres were treated with chemicals in the concentration range of 0.2%, 0.4%, 0.6% and 0.8% prior to refining. Single-homogenous layer MDF with 12 mm thickness and density of 720 kg/m3 was produced. Urea-Formaldehyde (UF) was applied at 10% loading (based on dry weight of dry fibres) as a binder. The physical properties (Water Absorption (WA) and Thickness Swelling (TS)) of the produced panels were tested according to European Standard, EN 622-5:2006. The results show that types of chemical used had greater effects than concentration on the dimensional stability of the MDF. EFB fibres treated with acetic acid produced MDF with better dimensional stability compared to the MDF NaOH treated fibres. High concentration of NaOH produced poor dimensional stability in the panels.
机译：该研究的目的是研究使用氢氧化钠（NaOH）和乙酸对油棕空果束（EFB）纤维进行预处理以生产中密度纤维板（MDF）的效果。在精制之前，将EFB纤维用浓度为0.2％，0.4％，0.6％和0.8％的化学物质处理。生产出厚度为12 mm，密度为720 kg / m3的单均层MDF。尿素-甲醛（UF）以10％的负载量（基于干纤维的干重）施加作为粘合剂。根据欧洲标准EN 622-5：2006对生产的面板的物理性能（吸水率（WA）和厚度膨胀率（TS））进行了测试。结果表明，所用化学品的类型对中密度纤维板的尺寸稳定性的影响大于浓度。与MDF NaOH处理过的纤维相比，用乙酸处理过的EFB纤维生产出的MDF具有更好的尺寸稳定性。高浓度的NaOH导致面板的尺寸稳定性差。

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