We successfully get cationic dyeable FR polyester by introducing dyeable electronic group ( SO3- ) and phosphorus FR monomer into the molecular chain structure of polyester.
Easy to dye at atmospheric pressure
High dyeing rate (≥95%) and high color fastness (level 4)
Can be dyed with silk and wool in the same bath.
Bright colors and wide chromatograms.
Phosphorus content: 4500ppm, 5000ppm, 5500ppm, 6500ppm.