Key Laboratory of Eco-textiles, Ministry of Education, College of Textile Science and Engineering, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China.
Key Laboratory of Eco-textiles, Ministry of Education, College of Textile Science and Engineering, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China.
Int J Biol Macromol. 2024 Apr;263(Pt 2):129836. doi: 10.1016/j.ijbiomac.2024.129836. Epub 2024 Feb 1.
With the increasing awareness of environmental protection, the demand for eco-friendly bio-derived flame-retardant for textiles has received increasing attention. In this work, a fully bio-derived phosphorylated furan-based flame retardant (FAP) was synthesized by the Schiff reaction of furan-based compounds (furfural and furfurylamine). To evaluate the application scope and flame retardant efficiency of FAP, cotton fabrics and PLA nonwovens were selected as biomass-based representatives of natural fiber materials and synthetic fiber materials, respectively. Significantly, based on the composition of furan ring, phosphorus and nitrogen containing components of FAP, excellent charring and flame retardant properties of coated cotton fabrics and PLA nonwovens can be expected. TGA results showed that the residual char of C-FAP-3 and P-FAP-3 were 39.7% (increased by 267.6%) and 16.7% (increased by 215.1%), respectively, higher than those of control cotton (10.8%) and PLA nonwoven (5.3%). Cone test results exhibited that the peak heat release rate (PHRR) and total heat release (THR) values of C-FAP-3 were sharply decreased by 69.4% and 37.8%, respectively. P-FAP-3 also displayed a significant reduction in PHRR, implying high flame retardancy of C-FAP-3 and P-FAP-3. Notably, through the weight gains of FAP coating on cotton and PLA as well as the final LOI and VBT results of the flame retardant treated fabrics, it can be preliminarily inferred that control cotton fabrics are more likely to achieve better flame retardant effects than PLA. Additionally, the facile synthetic strategy of fully bio-derived flame retardants is expected to promote the development of green flame retardant strategies for high-performance textiles.
随着环保意识的提高，对用于纺织品的环保型生物衍生型阻燃剂的需求日益受到关注。在这项工作中，通过呋喃基化合物（糠醛和糠胺）的席夫反应合成了完全生物衍生的磷酸化呋喃基阻燃剂（FAP）。为了评估 FAP 的应用范围和阻燃效率，选择棉织物和 PLA 非织造布分别作为天然纤维材料和合成纤维材料的生物质代表。值得注意的是，基于呋喃环、FAP 中的磷和氮含量成分的组成，可以预期涂覆棉织物和 PLA 非织造布具有出色的成炭和阻燃性能。TGA 结果表明，C-FAP-3 和 P-FAP-3 的残炭量分别为 39.7%（增加了 267.6%）和 16.7%（增加了 215.1%），高于对照棉（10.8%）和 PLA 非织造布（5.3%）。锥形量热试验结果表明，C-FAP-3 的峰值热释放率（PHRR）和总热释放（THR）值分别急剧降低了 69.4%和 37.8%。P-FAP-3 也表现出 PHRR 的显著降低，表明 C-FAP-3 和 P-FAP-3 具有很高的阻燃性。值得注意的是，通过 FAP 涂层在棉和 PLA 上的增重以及阻燃处理织物的最终 LOI 和 VBT 结果，可以初步推断控制棉织物比 PLA 更有可能实现更好的阻燃效果。此外，完全生物衍生阻燃剂的简便合成策略有望促进用于高性能纺织品的绿色阻燃策略的发展。
