Exhaust dyeing of cationic modified cotton fabric with pigment

Cotton fabric is modified with cationic modifier, and then dyed with pigment. The modification process of cotton fabric is optimized as follows:8%(omf) of modifier, NaOH8g/L, modifying at60℃for50min. The optimized dyeing process is:9%(omf) of pigment, dip dyeing at80℃ for30 min. Cotton dyeings has Grade3 or above of wet rubbing fastness, Grade3~4of washing fastness and good hand feel.