Layer-by-layer assembled thin films based on fully biobased polysaccharides: chitosan and phosphorylated cellulose for flame-retardant cotton fabric
作者： Haifeng Pan , Lei Song , Liyan Ma , Ying Pan , Kim Meow Liew
DOI: 10.1007/S10570-014-0276-5
关键词:
摘要: Polyelectrolytes multilayer (PEM) films based on fully biobased polysaccharides, chitosan and phosphorylated cellulose (PCL) were deposited the surface of cotton fabric by layer-by-layer assembly method. Altering concentration PCL could modify final loading fabrics. A higher (2 wt%) result in more loading. Attenuated total reflection Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy energy-dispersive analysis directly showed that successfully onto fabric. In vertical flame test, with 20 bilayers at extinguish flame. Microcombustion calorimetry results all coated fabrics reduced peak heat release rate (HRR) (THR) relative to pure one, especially for (CH0.5/PCL2)20, which greatest reduction HRR THR. Thermogravimetric char residue temperatures ranging from 400 700 °C was enhanced compared fabric, case (2 wt%). The work first provided a PEM film polysaccharide, enhance its retardancy thermal stability via
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