3+-CS/PAM-MBA复合双网凝的防火和灭火特性
Jianguo Wang1, Yueyang Zhou1, Yifan Zhao1
1College of Safety Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China.
Gels (Basel, Switzerland)
|February 25, 2025
概括
一种新型的双网凝有效地抑制了煤炭的自燃,通过化学无活化煤炭分子并降低温度. 这种先进的灭火材料提供了增强的安全性,并防止重新点燃.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 消防安全工程 消防安全工程
背景情况:
- 煤炭自燃在采矿和储存中存在重大安全风险.
- 现有的灭火方法通常在有效性和防止重新点火方面存在局限性.
- 开发先进材料以有效控制煤炭火灾至关重要.
研究的目的:
- 为了合成和描述一个新的Al3+-CS/PAM-MBA双网络凝.
- 评估开发的凝的灭火性能,特别是用于煤的自燃燃烧.
- 研究凝抑制煤炭氧化和燃烧的机制.
主要方法:
- 使用素 (CS),烯胺 (AM) 和与Al3+离子交联的N,N'-甲基二甲胺 (MBA) 制备双网络凝.
- 基于形成时间和粘度的凝配方优化.
- 使用热分析 (TGA/DSC) 和温度编程研究评估热稳定性.
- 使用红外光谱学分析化学相互作用.
- 通过专门的灭火实验来评估灭火性能.
主要成果:
- 这种Al3+-CS/PAM-MBA双网凝表现出极好的热稳定性和自我点火抑制.
- 凝有效地抑制了煤炭自发燃烧和由化学无活化煤炭分子氧化.
- 观察到与煤氧反应相关的功能群的破坏.
- 灭火试验证实了凝能够降低煤炭温度并防止重新点火.
结论:
- 3+-CS/PAM-MBA双网凝是煤炭的高效灭火剂.
- 凝的机制涉及到煤炭的化学无活化和反应性功能组的破坏.
- 这种材料为防止和灭煤炭自燃提供了有希望的解决方案,提高了相关行业的安全性.
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