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棉织品的高效和持久的阻燃剂:氨基乙烯酸烯酸胺酸:氨基乙烯酸烯酸胺酸
Qing Jing1, Yonghua Lu1, Tian Li1
1State Key Laboratory of Resource Insects, College of Sericulture Fabric and Biomass Sciences, Southwest University, Chongqing 400715, PR China.
一种新型的阻燃剂,氨基乙烯酸酸胺 (AEA) 被合成并应用于棉织物上,显著提高了阻燃性和耐用性. 经AEA处理,与纤维素形成稳定的共价键,确保长时间的防火保护.
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
- 织工程 织工程 织工程
背景情况:
- 棉织物易燃,造成安全风险.
- 开发耐用且有效的织品阻燃剂至关重要.
研究的目的:
- 合成和描述一种新的阻燃剂,氨基乙烯酸酸胺 (AEA).
- 为了评估AEA处理的棉织物的阻燃性和耐用性.
- 为了阐明阻燃和耐久性的机制.
主要方法:
- 使用烯胺,乙醇胺和氧化合成AEA.
- 使用核磁共振 (NMR) 和富里埃变换红外光谱 (FTIR) 分析AEA的结构分析.
- 使用圆热量计,热重力测量分析和垂直火焰测试,对经过处理的棉花进行阻燃测试.
- 通过多个洗钱周期进行耐用性评估 (AATCC 61-2013 3 A标准).
主要成果:
- 用AEA处理的棉织物表现出极好的阻燃性,具有高限制氧指数 (LOI) 45.4%.
- 经过处理的织物表现出了特殊的耐用性,在50个洗周期后保持了34.9%的LOI.
- 观察到协同作用和凝聚相阻燃机制.
- FTIR分析证实了AEA和纤维素之间形成稳定的-N-P(=O) -O-C-共价键.
结论:
- 合成的AEA是棉织物的有效阻燃剂.
- 由 p-π 结合效应增强的共价键形成,显著提高了火焰阻燃性的耐用性.
- 将反应性基组纳入阻燃剂是提高织品耐久性的有希望的策略.
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