Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (8): 76-79.doi: 10.13475/j.fzxb.20180801704

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Dyeing kinetics of dyeable spandex fiber with acid dye

HAN Hu1, LI Weiting2, WEI Huifang1, WANG Xiaoyan2, SUN Chang2, XU Changhai2()   

  1. 1. Yantai Tayho Advanced Materials Co., Ltd., Yantai, Shandong 264006, China
    2. Key Laboratory of Eco-Textiles (Jiangnan University), Wuxi, Jiangsu 214122, China
  • Received:2018-08-06 Revised:2019-05-07 Online:2019-08-15 Published:2019-08-16
  • Contact: XU Changhai E-mail:changhai_xu@jiangnan.edu.cn

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Abstract:

In order to control the dyeing course of the dyeable spandex fiber with acid dye and optimize the dyeing process, the dyeable spandex fiber was dyed by Acid Orange II. The dyeing kinetics of dyeable spandex fiber was studied by measuring the dyeing rate curve of the dyeable spandex fiber under different dyeing conditions and fitting the curve with the kinetic model. Experiment results show that the dyeable spandex fiber has a higher initial uptake rate and higher dye uptake at a lower pH value, and a rise in temperature results in a higher dyeing rate. The dyeing course of Acid Orange II on the dyeable spandex fiber follows the pseudo-second-order kinetic model. It is proved that the dyeable spandex fiber is dyed with Acid Orange II mainly by electrostatic adsorption.

Key words: dyeable spandex fiber with acid dye, Acid Orange II, dyeing rate, dyeing kinetic, dyeing performance

CLC Number: 

  • TS193.1

Fig.1

Dyeing rate comparison of dyeable spandex fiber and common spandex fiber"

Fig.2

Effect of pH value on dyeing rate of dyeable spandex fiber with acid dye"

Fig.3

Effect of temperature on dyeing rate of dyeable spandex fiber with acid dye"

Fig.4

Fitting of dyeing rate curve of Acid Orange Ⅱ on dyeable spandex fiber with kinetic models. (a) Pseudo-first-order model; (b) Pseudo-second-order model"

Tab. 1

Pseudo-second-order kinetic parameters of Acid Orange II on dyeable spandex fiber"

pH
值		 温度/
℃		 拟合方程 R2 Ce/
(mg·g-1)		 k2/
(g·(mg·min)-1)
3 50 y=0.056 1x+0.519 1 0.998 7 17.824 3 0.006 1
3 70 y=0.058 9x+0.193 9 0.999 4 16.977 9 0.017 9
5 50 y=0.083 1x+0.801 5 0.992 2 12.033 7 0.008 6
5 70 y=0.095 1x+0.537 7 0.995 8 10.515 2 0.016 8
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