Improving the flame retardant properties of polyester‐cotton blend fabrics by introducing an intumescent coating via layer by layer assembly

Layer by layer (LBL) assembly technique was used to deposit multilayer coating containing phosphorus‐nitrogen onto the surface of fibers to improve the flame retardancy of polyester‐cotton (PET‐COT) blended fabric. Ellipsometer results confirmed that polyallylamine hydrochloride (PAH), melamine (MEL), and ammonium polyphosphate (APP) grew linearly on silicon wafer during the LbL process. The LOI value of coated PET‐COT fabric was increased from...