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Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
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阻燃性木/合板复合材料:制备,表征和增强结构性能
Liyuan Yao1, Feifan Song1,2, Ming Wei3
1School of Emergency Management and Safety Engineering, China University of Mining and Technology, Beijing 100083, China.
Polymers
|September 27, 2025
概括
一种新的阻燃木复合材料 (AHM-S) 是使用经过处理的合板和板开发出来的. 这种创新材料显著减少了热量释放和火焰传播,提高了建筑应用中的消防安全.
科学领域:
- 材料科学 材料科学 材料科学
- 消防安全工程 消防安全工程
- 木材复合材料 木材复合材料
背景情况:
- 基于板的木材复合材料在建筑应用中面临着由于易燃性和烟雾的限制.
- 开发有效的阻燃处理对于扩大木材复合材料的使用至关重要.
研究的目的:
- 创建一种具有增强消防安全的新型阻燃木复合材料.
- 为了评估复合材料的防火性能,整合阻燃合板和皮板.
主要方法:
- 使用ATMP,HDEP,MEL和SA制造一种阻燃聚乙烯粘合膜.
- 薄膜在贴面上层叠,以创建阻燃合板.
- 用酸盐 (Ss) 和四酸盐 (St) 浸木材刀.
- 将经过处理的合板和料整合到一个分层复合材料 (AHM-S) 中.
主要成果:
- 在AHM-S复合物中,峰值热释放率 (pk-HRR2) 减少了44.1%,总热释放率 (THR) 减少了22.6%.
- 最大火焰传播距离 (MD300°C) 减少了12.7%,未暴露侧面达到275°C的时间 (T275°C) 增加了90.2%.
- 观察到表面膜和浸核心的协同阻燃效应.
结论:
- 与传统木材复合材料相比,开发的AHM-S复合材料显示出明显改善的耐火性.
- 协同阻燃机制有效抑制燃烧并延迟热降解.
- 这种材料显示出在工程木材应用中安全可靠使用的潜力,这些应用需要高的消防安全标准.
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