来自尤金醇作为环氧树脂绿色修饰剂的阻燃剂
Danuta Matykiewicz1, Beata Dudziec2, Sławomir Michałowski3
1Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 61-138 Poznan, Poland.
International journal of molecular sciences
|June 26, 2025
概括
一种新的基于生物的阻燃剂,三基酸 (TEP) 被合成并添加到环氧. 这种增强的材料表现出自灭特性和更好的热稳定性,降低了可燃性风险.
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
- 消防安全工程 消防安全工程
背景情况:
- 环氧树脂被广泛使用,但通常需要阻燃剂添加剂安全应用.
- 开发有效和可持续的阻燃剂对于减少聚合物材料中的火灾危险至关重要.
- 生物基替代品为环保的阻燃性提供了一个有前途的途径.
研究的目的:
- 为了从eugenol中合成一种基于生物的阻燃剂,三基酸 (TEP),eugenol.
- 评估经过TEP修改的环氧树脂的阻燃性和热稳定性.
- 评估TEP对环氧基质的热和热力学性能的影响.
主要方法:
- 从eugenol中合成三基酸盐 (TEP).
- 将TEP纳入10%和30%重量级的环氧基质.
- 可燃性测试 (UL-94,热解-燃烧流热量计 - PCFC).
- 热分析 (热重力测量分析 - TGA,差分扫描热量测量 - DSC).
- 热力学分析 (动态机械热分析 - DMTA).
主要成果:
- 经过TEP修改的环氧树脂在UL-94测试中表现出自我灭的特性.
- PCFC分析显示,在TEP添加后,峰值热释放率 (pHRR),总热释放率 (THR) 和热释放能力 (HRC) 显著降低.
- TGA表示可接受的热稳定性,而DSC和DMTA证实了维持或可接受的热力学性能.
结论:
- 三聚酸 (TEP) 是一种有效的生物基阻燃剂,用于环氧树脂.
- 纳入TEP显著提高了环氧材料的消防安全性,而不会影响关键的热和机械性能.
- 这项研究提出了一种可持续的方法来提高环氧复合材料的阻燃性.
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