相关实验视频
Updated: Jun 16, 2025
07:21
Twin-Screw Extrusion Process to Produce Renewable Fiberboards
Published on: January 27, 2021
6.4K
带有各种生物质残留物的碎片板
Electra Papadopoulou1, Dimitrios Moutousidis1, Christos Achelonoudis1
1Chimar Hellas S.A., 15 km National Road Thessaloniki-Polygyros, Thermi, 570 01 Thessaloniki, Greece.
Materials (Basel, Switzerland)
|June 13, 2025
概括
使用咖啡渣和海藻等农业废物创建了碎片板,为木材提供了可持续的替代品. 这些环保面板显示出室内使用的前景,其中一些显示出增强的抗水性和较低的甲排放.
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
- 生物质利用生物质的利用
背景情况:
- 传统的碎片板生产严重依赖原木资源.
- 在木板行业中,对可持续和资源高效的替代品的需求越来越大.
- 生物质残留物是材料开发中未充分利用的资源.
研究的目的:
- 调查使用各种生物质残留物作为木材替代品在碎片板制造中的可行性.
- 描述选定生物质残留物的物理化学性质.
- 评估用这些生物质和不同的粘合剂制成的碎片板的机械和物理性能.
主要方法:
- 对生物质残留物的物理化学分析 (水分,pH,缓冲容量,TGA,FTIR,XRD).
- 使用尿素甲 (UF) 和聚合物4,4'-甲二异酸盐 (pMDI) 粘合剂制造颗粒板.
- 根据欧洲标准制造的碎片板的机械和物理性能测试.
主要成果:
- 生物质残留物含有纤维素,半纤维素和有不同结晶度的素.
- 与传统木板相比,颗粒板的机械性能较低.
- 用咖啡粉和 * Posidonia oceanica * 制成的面板显示出更好的厚度抗胀.
- 所有实验颗粒板的甲含量都比参考木板低.
结论:
- 生物质残留物可以成功地回收成碎片板,为原木提供可持续的替代品.
- 由咖啡粉和海菌*制成的碎片板显示出特定室内应用的潜力.
- 这种方法支持木制面板行业的资源效率和循环经济原则.
相关概念视频
01:18Wood Panel Products
70
Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
70
01:21Wood Products
79
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
79
01:19Introduction to Wood
210
Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the...
The structural integrity of the...
210