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Effects of solvent properties on cationic dyeing process of acrylic yarn
Zhengyu Zhang,Chunling Zheng,Ailing Yuan,Haibo Wang,Ling Zhu,Hong Xu 한국화학공학회 2014 Korean Journal of Chemical Engineering Vol.31 No.4
Cationic dye is a special dye for acrylics, but it is very difficult in dyeing through the core. In practice,the price of a special leveling agent for acrylic fiber is high, and uniform staining is poor. By mixing a number of organicsolvents in the dye bath, we can improve the structure of fibers and their deep-dyeing. We used n-propanol, isopropanoland benzyl alcohol as organic solvents, by adjusting the pH value and the appropriate temperature, and with specialdepth and leveling agent for dyeing soaping fastness contrast, to find economically viable process conditions.