Abstract：
In this work, the step-by-step dip-coating (SBS) method was used to effectively improve the drawback of LBL by reducing the construction of a multilayer polyelectrolyte. Bio-based flame retardants, phytic acid (PA), and chitosan (CS) were further self-assembly on the surface of cotton fabric treated by epichlorohydrin-modified aramid nanofibers (AEP), ionic liquid (IL), and Cu ion. The pure cotton fabric was immersed in each dipping liquid only once, improving fire safety and antibacterial performance. The treated cotton self-extinguished with a 59 mm char length in the vertical flammability test, and the limiting oxygen index (LOI) value increased from 18.5 % to 38.5 %. The result of the cone calorimeter test (CCT) revealed that the fire hazard of flame-retardant cotton noteworthy declined (e.g., ~44.1 % and 55.4 % decline in peak heat release rate (pHRR) and total heat release rate (THR)). Conspicuously, the treated cotton exhibited a remarkably inhibiting effect on E. coli and S. aureus activity. The cotton fabric after flame-retardant finishing exhibited excellent fire safety and antibacterial performance.
摘要：
在这项工作中,采用分步浸涂（SBS）方法，通过减少多层聚电解质的构造，有效改善了LBL的缺点。生物基阻燃剂，植酸（PA），和壳聚糖(CS)在经表氯醇改性芳纶纳米纤维(AEP)处理的棉织物表面进一步自组装,离子液体(IL),和铜离子。纯棉织物在每次浸渍液中只浸渍一次，提高防火安全性和抗菌性能。经处理的棉花在垂直可燃性测试中具有59毫米的炭长，极限氧指数（LOI）值从18.5%提高到38.5%。锥形量热仪测试（CCT）的结果表明，阻燃棉的火灾危险性明显下降（例如，峰值放热率(pHRR)和总放热率(THR)下降~44.1%和55.4%)。引人注目的是,处理后的棉花对大肠杆菌和金黄色葡萄球菌的活性有明显的抑制作用。经过阻燃整理的棉织物具有优异的防火安全性和抗菌性能。
