酸性染料易染氨纶的染色动力学

doi:10.13475/j.fzxb.20180801704

纺织学报 ›› 2019, Vol. 40 ›› Issue (8): 76-79.doi: 10.13475/j.fzxb.20180801704

酸性染料易染氨纶的染色动力学

韩虎¹, 李伟婷², 魏会芳¹, 王小艳², 孙昌², 许长海²()

1.烟台泰和新材料股份有限公司, 山东烟台 264006
2.生态纺织教育部重点实验室(江南大学), 江苏无锡 214122

收稿日期:2018-08-06 修回日期:2019-05-07 出版日期:2019-08-15 发布日期:2019-08-16
通讯作者: 许长海
作者简介:韩虎(1974—),男,高级工程师,硕士。主要研究方向为氨纶的研发与染整。
基金资助:
江苏省重点研发计划项目(BE201596)

Dyeing kinetics of dyeable spandex fiber with acid dye

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

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

摘要/Abstract

摘要：

为有效控制酸性染料易染氨纶的上染过程并指导其染色工艺的优化,采用酸性橙Ⅱ对酸性染料易染氨纶染色,通过测定酸性染料易染氨纶在不同染色条件下的上染速率曲线,并将上染速率曲线与动力学模型进行拟合,研究酸性橙II对酸性染料易染氨纶的染色动力学。结果表明:酸性橙II对酸性染料易染氨纶在低pH值下具有更高的初始上染速率和上染量,提高染色温度可加快纤维上染;酸性橙II对酸性染料易染氨纶的染色过程适合用准二级动力学模型描述,其主要通过静电吸附作用上染酸性染料易染氨纶。

关键词: 酸性染料易染氨纶, 酸性橙Ⅱ, 上染速率, 染色动力学, 染色性能

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

中图分类号:

TS193.1

韩虎, 李伟婷, 魏会芳, 王小艳, 孙昌, 许长海. 酸性染料易染氨纶的染色动力学[J]. 纺织学报, 2019, 40(8): 76-79.

HAN Hu, LI Weiting, WEI Huifang, WANG Xiaoyan, SUN Chang, XU Changhai. Dyeing kinetics of dyeable spandex fiber with acid dye[J]. Journal of Textile Research, 2019, 40(8): 76-79.

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pH 值	温度/ ℃	拟合方程	R²	C_e/ (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

酸性染料易染氨纶的染色动力学

Dyeing kinetics of dyeable spandex fiber with acid dye

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