菌丝体
环氧树脂
可燃性
材料科学
烧焦
热重分析
阻燃剂
复合材料
热稳定性
聚合物
傅里叶变换红外光谱
降级(电信)
扫描电子显微镜
化学工程
燃烧
化学
有机化学
植物
计算机科学
工程类
生物
电信
作者
Nattanan Chulikavit,Tien Huynh,Akbar Afaghi Khatibi,Raj Das,Everson Kandare
标识
DOI:10.1038/s41598-023-45097-0
摘要
Although bioderived flame retardants are environmentally sustainable and less toxic, their impact on the thermal stability and flammability of polymers remains poorly understood. In this study, we assessed the influence of mycelium on the thermal stability and flame spread characteristics of epoxy through thermogravimetric analysis, Fourier transform infrared spectroscopy, the UL94 flammability test, and scanning electron microscopy. We observed a decrease in the maximum mass loss rate temperature when mycelium was incorporated into epoxy, indicating an earlier onset of thermal degradation. The inclusion of mycelium increased char yields above 418 °C due to mycelium's inherent char-forming ability. However, mycelium did not alter the thermal degradation pathway of epoxy. Furthermore, according to the UL94 test results, the incorporation of mycelium reduced the flame spread rate compared to that of neat epoxy. These findings contribute to our understanding of the interaction between bioderived flame retardants and polymers paving the way for the development of more sustainable fireproofing materials.
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