Kinetics of Ultrasonic Dyeing of PTT Fiber with Emodin
Comparative dyeing kinetics of poly (trimethylene terephthalate) fiber with emodin natural dyes using conventional and ultrasonic methods were studied in this paper. The plot of time/dye-uptake of both methods showed that the dye-uptake values of ultrasound dyed samples were obviously higher than those prepared by the conventional heating method. The values of dyeing rate constant,diffusion coefficient and half-time of dyeing and activation energy were calculated. The results showed that ultrasonic could evidently enhance the rate constant of dye progress,shorten half-dyeing time,increase the diffusion coefficients and decrease the activation energy,which positively indicated a favorable effect of ultrasonic power on the dyeing process.
Dyeing kinetics Ultrasound dyeing Emodin PTT fiber
Xueni Hou Xiangrong Wang
National Engineering Laboratory for Modern Silk,Soochow University,Suzhou 215123,China
国际会议
杭州
英文
387-391
2010-10-20（万方平台首次上网日期，不代表论文的发表时间）