A Study on Performances of Dyeing Fine-denier Nylon with Reactive Dyes Containing Different Reactive Groups

Dyeing processes of four reactive dyes with different reactive groups for fine-denier nylon were studied,and the effects of pH of initial dyeing,fixation temperature and pH of fixation on dye fixation of reactive dyes were discussed in detail.The dyeing process of fine-denier nylon suitable for bifunctional reactive dyes was obtained.The results showed that the four dyes all present good exhaustion and fixation except bi-monochlorotriazine dyes;double-vinylsulphone and α-bromoacrylamido dyes were both suitable for dyeing fine-denier nylon.In addition,the fine-denier nylon fabrics dyed with four reactive dyes possess excellent color fastness to wash,perspiration and crocking.