Amine-phosphorylated lignin nanoparticles for improving flame retardancy of polymer composites
발표자
()
초록
내용
Recently, flame retardants based on phosphorus, nitrogen, silicon compounds, and natural polymers have been actively developed to replace halogen- and organophosphorus-based flame retardants that emit toxic gases during combustion, limiting their use. In this study, lignin, a natural polymer, was modified with polyethyleneimine (PEI) and phytic acid (PA) to prepare a flame-retardant material (P-LF) to enhance the flame retardancy of cotton fabrics. XPS, FT-IR, and elemental analysis confirmed the successful modification of the lignin and proceeded to nanoparticulate it for practical application in cotton textile. DLS and TEM analyzed the lignin nanoparticles, and the incorporation of lignin nanoparticles into cotton fabric (P-LF/C) was confirmed by FE-SEM analysis. TGA, cone calorimeter, and LOI tests analyzed the flame-retardant properties of the as-prepared P-LF/C. The results confirmed that applying P-LF can improve the flame retardancy of cotton fabrics.