易于合成双基氧化物作为环氧树脂的阻燃剂
Yan Li1, Chong Tian2, Guiqing Cheng2
1School of Biological and Chemical Engineering, Qingdao Technical College, Qingdao 266555, China.
一种新型化合物 (氧化 (4,1-) 氧化 (氧化) 氧化 (ODDPO) 增强了环氧树脂的阻燃性,达到V-0级. 这种阻燃剂还提高了疏水性和介电性质,对热稳定性影响最小.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 阻燃性是指阻燃性是指阻燃性.
背景情况:
- 环氧树脂 (EP) 广泛使用,但为了安全需要增强阻燃性.
- 开发有效的阻燃剂,对材料性能产生最小的影响至关重要.
研究的目的:
- 为了合成和评估 (氧化,4,1-,bis,氧化) (ODDPO) 作为环氧树脂的阻燃剂.
- 调查ODDPO对环氧树脂阻燃性,热稳定性,疏水性和介电性能的影响.
主要方法:
- 合成的ODDPO. 的合成.
- 在不同度的环氧树脂中加入ODDPO (例如,1.2 wt%).
- 使用垂直燃烧测试和限制氧指数 (LOI) 评估阻燃性.
- 评估热稳定性 (玻璃过渡温度,分解温度),疏水性,吸水性和介电性质.
主要成果:
- 使用1.2 wt%的EP/ODDPO获得了V-0评级和29.2%的LOI.
- ODDPO展示了气相和凝相阻燃机制,包括屏障效应.
- 与整洁的EP相比,玻璃过渡温度 (7.6°C) 和初始分解温度 (10.0°C) 的最小降低.
- 显著改善了疏水性和对水的吸收阻力.
- 由于ODDPO的对称结构,增强了介电性质.
结论:
- ODDPO是环氧树脂的有效阻燃剂,提供出色的消防安全.
- 在保持良好的热稳定性同时,ODDPO增强了疏水性和介电性质.
- ODDPO是开发高性能环氧材料的有前途的添加剂.
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