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首页> 美国卫生研究院文献>Polymers >The Influence of Processing and Particle Size on Binderless Particleboards Made from Arundo donax L. Rhizome
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The Influence of Processing and Particle Size on Binderless Particleboards Made from Arundo donax L. Rhizome

机译：加工和粒度对Arundo donax L. Rhizome制成的无粘结剂刨花板的影响

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摘要

The giant reed ( L.) is considered one of the world’s 100 worst invasive species. The main method by which this species propagates is by growth of scattered fragments of rhizome, spreading without control with very strong, deep roots. Agricultural waste consists of lignocellulosic materials that can substitute natural wood and offer a suitable alternative with which to manufacture boards for furniture, packaging and building purposes. The objectives of this work were to obtain binderless particleboards using giant reed rhizome as the raw material, to evaluate their mechanical and physical properties according to the applicable European standards and to assess the self-binding mechanism of the particles in the board. Six types of boards (12 classes) were manufactured with giant reed rhizome biomass. They were manufactured with a temperature of 110 °C, a pressure of 2.5 MPa and pressing times of 7 and 15 min, applying one or two pressing cycles. The results achieved for modulus of rupture (14.2 N/mm ), modulus of elasticity (2052.45 N/mm ) and internal bonding strength (1.12 N/mm ) show that the mechanical properties were improved by using a smaller rhizome particle size and two pressing cycles.
机译：巨型芦苇（L.）被认为是世界上100种最恶劣的入侵物种之一。该物种繁殖的主要方法是通过根状茎的分散碎片的生长，在不受控制的情况下传播，具有很强的深根。农业废弃物由木质纤维素材料组成，可以替代天然木材，并提供合适的替代品来制造用于家具，包装和建筑目的的木板。这项工作的目的是获得使用巨型芦苇根茎作为原料的无粘合剂刨花板，根据适用的欧洲标准评估其机械和物理性能，并评估刨花板中颗粒的自粘合机理。用巨大的芦苇根茎生物量生产了六种类型的板（12类）。它们是在110°C的温度，2.5 MPa的压力和7到15分钟的压制时间下制造的，进行一到两个压制循环。断裂模量（14.2 N / mm），弹性模量（2052.45 N / mm）和内部粘结强度（1.12 N / mm）的结果表明，使用较小的根茎颗粒尺寸和两次加压可改善机械性能。周期。

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