One-bath dyeing of polyester/cotton blended fabrics in supercritical CO2 with Reactive Disperse Yellow dye

被引：0
|
作者：
Zhou T. [1 ]
Zheng H. [1 ]
Cai T. [2 ]
Yu Z. [1 ]
Wang L. [3 ]
Zheng L. [1 ]
机构：
[1] Dyeing, Dalian Polytechnic University, Dalian
[2] Shishi CTES Research Institute of Apparel and Accessories Industry, Shishi
[3] Dalian Suplor Information and Materials Co., Ltd., Dalian
来源：
Fangzhi Xuebao/Journal of Textile Research | 2022年 / 43卷 / 03期
关键词：
Dyeing property; One-bath dyeing; Polyester/cotton blended fabrics; Pretreatment; Reactive Disperse Yellow dye; Supercritical CO[!sub]2[!/sub;
D O I：
10.13475/j.fzxb.20201202108
中图分类号：
学科分类号：
摘要：
In order to solve the technical problems of energy consumption and serious water pollution in polyester/cotton blended fabric water dyeing, dyeing properties of polyester/cotton blended fabrics in the supercritical CO2 was investigated by using Reactive Disperse Yellow dye in order to expand the application range of supercritical CO2 dyeing technology. The effect of dyeing temperature, pressure, time, dosage of co-solvent and CO2 flow rate on the dyeing properties of polyester/cotton blended fabrics was analyzed. The optimized process condition was obtained to be dyeing temperature 100 ℃, pressure 20 MPa, dyeing time 80 min, CO2 flow 20 g/min and dimethyl sulfoxide (DMSO) dosage 80%. Reactive Disperse Yellow dye could significantly improve color depth and color fastness of polyester/cotton fabrics in comparison with natural dyes. Compared with "ethanol+N-methylpyrrolidone(NMP)" pretreatment, the K/S value of DMSO treatment was increased by more than two times, and the color fastness reached grade 4-5, presenting excellent dyeing effect. © 2022, Periodical Agency of Journal of Textile Research. All right reserved.
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页码：116 / 122and131
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