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首页> 外文期刊>Pro Ligno >INFLUENCE OF SURFACE ROUGHNESS OF WOOD FIBRES ON PROPERTIES OFMEDIUM DENSITY FIBREBOARDS
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INFLUENCE OF SURFACE ROUGHNESS OF WOOD FIBRES ON PROPERTIES OFMEDIUM DENSITY FIBREBOARDS

机译：木纤维表面粗糙度对中密度纤维板性能的影响

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The properties of medium density fibreboards (MDF) are amongst others influenced by the properties of the wood fibre pulp. One influencing property is supposed to be the surface roughness which is known to be important for the bond quality e.g. when gluing veneer and solid wood. At the Institute for Wood Technology Dresden (IHD) in cooperation with the ETH Zurich and the BA Saxony examinations on the determination of roughness of wood fibre surfaces as well as the influence of the surface roughness on MDF-properties have been conducted. The aim of the work was to evaluate the surface roughness of fibre pulps made of different wood species and defibrated at different temperatures by the use of Confocal Laser Scanning Microscopy (CLSM). Furthermore the influences of the surface roughness of the wood fibre on the resulting MDF-properties were determined. The results revealed that the pulping temperature and the wood species have a significant influence on the resulting surface roughness. In comparison to Scots pine [Pinus sylvestris L.] beech [Fagus Sylvatica] wood fibres (defibrated at same temperature) have a smoother surface. The surface roughness of the wood fibre pulps induced by the defibration temperature correlate with the MDF-properties.
机译：中密度纤维板（MDF）的特性尤其受木纤维纸浆特性的影响。认为一种影响特性是表面粗糙度，已知该表面粗糙度对于例如图1所示的粘结质量是重要的。当胶合单板和实木时。在德累斯顿木材技术研究所（IHD）与苏黎世联邦理工学院和BA Saxony的合作下，对确定木质纤维表面粗糙度以及表面粗糙度对MDF性能的影响进行了检查。这项工作的目的是通过使用共聚焦激光扫描显微镜（CLSM）来评估由不同木材物种制成并在不同温度下纤维化的纤维浆的表面粗糙度。此外，确定了木纤维表面粗糙度对所得MDF性能的影响。结果表明，制浆温度和木材种类对所得的表面粗糙度有重大影响。与苏格兰松（Pinus sylvestris L.）山毛榉木（Fagus Sylvatica）相比，木纤维（在相同温度下脱纤维）的表面更光滑。由解纤温度引起的木纤维浆的表面粗糙度与MDF特性相关。

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