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开发与酸结合的中密度颗粒板
Ramunas Tupciauskas1, Andris Berzins1,2, Gunars Pavlovics1
1Laboratory of Biorefinery, Latvian State Institute of Wood Chemistry, Dzerbenes 27, 1006 Riga, Latvia.
Polymers
|February 27, 2026
概括
这项研究使用粉和树皮粘合剂开发了可持续的碎片板,满足了室内装配标准. 这种环保方法减少了对甲基粘合剂的依赖,以获得更健康,资源高效的木制品.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续的制造业 可持续的制造业
- 木材复合材料 木材复合材料
背景情况:
- 传统的碎片板生产使用甲基粘合剂,造成健康和环境风险.
- 材料成本和法规不断上升,需要为木制面板提供可持续的替代品.
- 利用生产残留物,如粉和回收碎片板,可以提高资源效率.
研究的目的:
- 开发生态友好的碎片板,使用粉和树皮的天然粘合剂.
- 评估加工参数对碎片板性能的影响.
- 评估开发的碎片板对于内部装配应用的适用性.
主要方法:
- 使用来自细胞木材材料和回收板的粉制造颗粒板.
- 来自树外皮的天然苏贝林酸混合物中的结合剂配方.
- 优化家具结构,粘合剂含量 (15-21%),压制温度 (190-220°C),压制速率 (0.9-1.7分/毫米),以及板材密度 (650-850公斤/米3).
主要成果:
- 颗粒板符合EN 312,P2型要求,厚度膨胀 (≤17%) 和内部粘合强度 (≥0.40 N/mm2).
- 曲性能 (MOE ≥1800 N/mm2,MOR ≥11 N/mm2) 接近目标值,这表明进一步增强的潜力.
- 家具结构,板材厚度,密度和压力温度显著影响了最终的碎片板性能.
结论:
- 可持续的碎片板生产是可行的,使用粉和树皮粘合剂.
- 开发的板材适用于室内装饰和家具应用.
- 进一步优化处理参数可以改善更广泛的应用的机械性能.
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