开发多年生植物生物质用于用于绝缘应用的碎片板
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Danuta Martyniak1, Marta Pędzik2, Grzegorz Żurek1
1Plant Breeding and Acclimatization Institute, National Research Institute, Radzików, 05-870 Błonie, Poland.
Materials (Basel, Switzerland)
|January 25, 2025
概括
像Miscanthus这样的多年生植物显示出作为可持续绝缘材料的承诺,提供低甲排放和良好的导热性. 用这些植物制成的碎片板可以减少对木制品的依赖.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续工程 可持续工程
- 生物质利用 生物质利用
背景情况:
- 由于对木制品的需求日益增长和采伐减少,因此需要替代性木纤维素材料作为绝缘材料.
- 欧洲绿色协议推动了对可持续建筑材料的需求.
- 多年生植物为板生产提供了潜在的可再生资源.
研究的目的:
- 使用替代多年生植物生物质制造和评估碎片板变体.
- 评估这些新型粒子板的机械,化学和热性能.
- 为了确定多年生植物作为绝缘板中木材的替代品的适用性.
主要方法:
- 使用工业颗粒和五种多年生植物生物质在30%,50%和75%的替代水平制造颗粒板.
- 调查的关键性质包括内部键强度,甲排放,隔热,传热系数和导热.
- 对参考粒子板进行了比较分析.
主要成果:
- 使用Miscanthus和Sida hermaphrodita的颗粒板在50%的替换下显示出有希望的导热率 (W/mK <0.07).
- 在含有Panicum virgatum和Miscanthus的木板中观察到的甲排放量最低.
- 通过30%的Spartina pectinata和Miscanthus的替代,获得了最高的内部键强度.
结论:
- 多年生植物是制造绝缘板的可行和可持续的原材料来源.
- 虽然机械性能需要提高,但这些材料是传统木制品的环保替代品.
- 多种原材料的战略混合可以优化碎片板的性能,从而获得长期的好处.
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