Effect of bath ratio on the dyeing rate and color fixation rate of reactive dyes
Three reactive dyes,Reactive Red 3BSN,Reactive Yellow 3RS and Reactive Blue C-2GLN,are chosen for dyeing to investigate the effect of bath ratio on the dyeing rate and color fixation rate of single reactive dyes.The dye uptake and color fixation rate curve are plotted,and the S,E,R,F value is calculated to assess dye compatibility in order to determine whether the three dyes meet blending conditions.Additionally,the effect of bath ratio on the dyeing rate and the solidification rate of each component of the dye mixture is investigated.The test results showed that the dye uptake rate and color fixation rate of reactive dyes decreased with the increase of bath ratio.The three dyes had good compatibility and met blending conditions.In a mixed-dye system,the dye uptake rate and color fixation rate of each component of the dye mixture decreased to different degrees with the increase of bath ratio,among which,the adsorption of Reactive Yellow 3RS and Reactive Blue C-2GLN was inhibited by the Reactive Red 3BSN.
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