基于香菇多糖的棉织物用生物基耐久性反应型阻燃剂。
A bio-based durable reactive flame retardant for cotton fabric based on lentinan.
机构信息
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 100029, PR China; Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, PR China.
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 100029, PR China; Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, PR China; School of Fashion and Textiles, The Hong Kong Polytechnic University, 999077, Hong Kong.
出版信息
Int J Biol Macromol. 2024 Aug;274(Pt 2):133222. doi: 10.1016/j.ijbiomac.2024.133222. Epub 2024 Jun 17.
Cotton fabric has extensive application due to its comfort and breathability. However, the inherent flammability limits its wide application. Durable polysaccharide-based flame retardants with a low impact on the softness of fabrics are rarely reported. In this work, a novel flame retardant ammonium phosphate of lentinan (APLNT) was synthesized and grafted on the surface of cotton fabric. The treated cotton fabric had a high limiting oxygen index (LOI) value of 43.3 % and passed the vertical burning test (VBT) with a 21.1 % weight gain of APLNT. Compared with control cotton, the peak heat release rate and total heat release values of Cotton-APLNT decreased by 92.8 % and 50.9 %, respectively. In addition, the cotton fabric still passed the VBT and kept an LOI value of 27.0 % even after 50 laundering cycles, indicating that the fabric can be used for daily needs. More importantly, the treated fabric remains soft. This research provided a new strategy for preparing bio-based durable flame retardant cotton fabrics.
棉织物因其舒适性和透气性而得到广泛应用。然而，其固有易燃性限制了其广泛应用。具有低柔软度影响的耐用多糖基阻燃剂很少有报道。在这项工作中，合成了一种新型的香菇多糖磷酸铵（APLNT）阻燃剂，并将其接枝到棉织物表面。处理后的棉织物极限氧指数（LOI）值高达 43.3%，且 APLNT 的增重率为 21.1%时，垂直燃烧试验（VBT）合格。与对照棉相比，棉-APLNT 的峰值放热率和总放热量分别降低了 92.8%和 50.9%。此外，即使经过 50 次洗涤循环，棉织物仍能通过 VBT 并保持 LOI 值为 27.0%，表明其可满足日常需求。更重要的是，处理后的织物仍然柔软。该研究为制备基于生物的耐用阻燃棉织物提供了新策略。
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