染色促进剂对聚丁二酸丁二醇酯纤维分散染料染色动力学和热力学的影响

doi:10.13475/j.fzxb.20210907106

纺织学报 ›› 2022, Vol. 43 ›› Issue (01): 147-152.doi: 10.13475/j.fzxb.20210907106

染色促进剂对聚丁二酸丁二醇酯纤维分散染料染色动力学和热力学的影响

王成龙¹^,², 李立新²^,³, 吴绍明², 柴丽琴¹^,², 周岚¹^,²()

1.浙江理工大学先进纺织材料与制备技术教育部重点实验室, 浙江杭州 310018
2.浙江理工大学生态染整技术教育部工程研究中心, 浙江杭州 310018
3.杭州新生印染有限公司, 浙江杭州 311200

收稿日期:2021-09-22 修回日期:2021-11-08 出版日期:2022-01-15 发布日期:2022-01-28
通讯作者: 周岚
作者简介:王成龙(1988—),男,讲师,博士。主要研究方向为新型纤维染色技术。

Effect of dyeing promoter on dyeing kinetics and thermodynamics of polybutylene succinate fiber dyeing with disperse dye

WANG Chenglong¹^,², LI Lixin²^,³, WU Shaoming², CHAI Liqin¹^,², ZHOU Lan¹^,²()

1. Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
2. Engineering Research Center of Ecological Dyeing and Finishing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018,China
3. Hangzhou Xinsheng Printing & Dyeing Co., Ltd., Hangzhou, Zhejiang 311200, China

Received:2021-09-22 Revised:2021-11-08 Published:2022-01-15 Online:2022-01-28
Contact: ZHOU Lan

摘要/Abstract

摘要：

为研究聚丁二酸丁二醇酯(PBS)纤维分散染料低温染色技术,以丁二酸二乙酯为主要原料制备了低温染色促进剂,分析了染色促进剂在PBS纤维分散染料低温染色中的作用,研究了染色促进剂对PBS纤维用C.I.分散红60染料的染色动力学和热力学性能的影响。研究结果表明: C.I.分散红60染料在PBS纤维上的吸附染色动力学方程符合准二级动力学方程,相比无染色促进剂染色,在70 ℃含有染色促进剂染色的条件下,C.I.分散红60染料在PBS纤维上的平衡吸附量有明显提升,染色速率明显加快,半染时间显著缩短,扩散系数也显著增大;染色促进剂的加入对分散染料上染PBS纤维起到了一定的促进作用,C.I.分散红60染料对PBS纤维的染色,在有无染色促进剂时均符合能斯特型吸附等温线。

关键词: 聚丁二酸丁二醇酯纤维, 分散染料, 染色促进剂, 染色动力学, 染色热力学

Abstract:

In order to develop polybutylene succinate (PBS) fiber disperse dye low-temperature dyeing technology, the role of dyeing promoters in the dyeing process was studied. Diethyl succinate was used to prepare dyeing promoter for the dyeing of PBS fiber with disperse dye. C.I. Disperse Red 60 was used to dye PBS fiber, the influence of dyeing promoter on the dyeing kinetics and thermodynamics of PBS fiber was studied, and dyeing mechanism of PBS fiber was investigated. The result showed that the dyeing kinetic equation of C.I. Disperse Red 60 on PBS fiber was in accordance with the quasi second order kinetic equation. Compared to dye without dyeing promoter, with the condition of dyeing at 70 ℃ with dye promoter, the equilibrium adsorption capacity of C.I. Disperse Red 60 on PBS fibers was increased, and the dyeing rate significantly was faster, the half-staining time was shortened, and the diffusion coefficient was also significantly increased. The addition of dyeing promoter played a certain role in promoting the dyeing of PBS fibers with disperse dyes. With or without dyeing accelerators, the dyeing of C.I. Disperse Red 60 on PBS fiber conformed to the Nernst type adsorption isotherm.

Key words: polybutylene succinate fiber, disperse dye, dyeing promoter, dyeing kinetics, dyeing thermodynamics

中图分类号:

TS193.1

王成龙, 李立新, 吴绍明, 柴丽琴, 周岚. 染色促进剂对聚丁二酸丁二醇酯纤维分散染料染色动力学和热力学的影响[J]. 纺织学报, 2022, 43(01): 147-152.

WANG Chenglong, LI Lixin, WU Shaoming, CHAI Liqin, ZHOU Lan. Effect of dyeing promoter on dyeing kinetics and thermodynamics of polybutylene succinate fiber dyeing with disperse dye[J]. Journal of Textile Research, 2022, 43(01): 147-152.

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有无染色促进剂	准一级动力学参数
有无染色促进剂	C_∞,exp/(mg·g^-1)	C_∞,cal/(mg·g^-1)	k₁/min^-1
无	8.08	2.32	2.73×10^-2
有	19.16	8.35	1.00×10^-1

有无染色促进剂	准二级动力学参数
有无染色促进剂	C_∞,exp/(mg·g^-1)	C_∞,cal/(mg·g^-1)	k₂/min^-1
无	8.08	10.42	2.97×10^-3
有	19.16	19.24	3.00×10^-1

有无染色促进剂	半染时间 t_1/2/min	扩散系数D/ (10^-15m²·min^-1)
无	20.82	1.221
有	5.70	18.184

染色温度/℃	有无染色促进剂	K_n/ (L·g^-1)	拟合公式	拟合系数R²
70	无	0.444 9	y=0.444 9x+3.882 8	0.991 2
70	有	1.338 8	y=1.338 8x+4.263 5	0.994 9
90	无	1.476 5	y=1.476 5x+3.729 5	0.998 2
90	有	1.770 8	y=1.770 8x+4.458 5	0.997 3

染色促进剂对聚丁二酸丁二醇酯纤维分散染料染色动力学和热力学的影响

Effect of dyeing promoter on dyeing kinetics and thermodynamics of polybutylene succinate fiber dyeing with disperse dye

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