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Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
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化木材具有双重阻燃性和热管理功能
Kunkun Tu1,2, Jinjing Liu1,3, Jiayi Li1,3
1Jiangsu Key Laboratory of Coal-Based Greenhouse Gas Control and Utilization, China University of Mining and Technology, Xuzhou 221008, China.
Polymers
|September 13, 2025
概括
化木材可以提高建筑物中的消防安全和热管理. 这种新型材料提高了阻燃性,减少了导热,促进了可持续建筑的发展.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续建筑 可持续建筑
- 消防安全工程 消防安全工程
背景情况:
- 天然木材是一种常见的建筑材料,在防火和热管理方面存在固有的局限性.
- 节能和防火建筑需要先进的材料来解决这些双重功能.
- 当前的木材处理方式往往会损害结构完整性或环境可持续性.
研究的目的:
- 开发一种具有增强的阻燃性和改进的热管理特性的新型木材材料.
- 研究化对木材物理和热特性的影响.
- 评估化木材作为可持续建筑材料的潜力,用于防火和节能应用.
主要方法:
- 通过多循环入SiO2到原生木材的光线来制造化木材.
- 使用限制氧气指数 (LOI) 和点火延迟测试来评估阻燃性.
- 在暴露于热量的情况下测量热导率和表面温度.
- 机械性能的评估,包括最终的拉伸应力和性.
主要成果:
- 化木材的LOI显著增加 (从21.9%增加到36.0%) 和延迟点火 (从15秒增加到50秒).
- 该材料表现出低导热率 (0.074 W·m−1·K−1) 和增强的排放性,从而改善了热管理.
- 化木材的表面温度在加热时上升的速度比原木慢,这表明它具有更好的绝缘性.
- 机械测试表明,最终的拉力应力基本保持不变,而性明显提高.
结论:
- 化是一种有效的方法,可以提高木材的阻燃性和提高木材的热管理.
- 化木材为防火,节能建筑应用提供了一个有前途的可持续替代品.
- 化木材的改进特性有助于被动冷却和减少导热,优化建筑性能.
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