Investigation on Dyeing Polyethylene Terephthalate Fabric Using Different Structures of Color Matching Kettle in Supercritical Carbon Dioxide

IF 2.3 4区工程技术 Q1 MATERIALS SCIENCE, TEXTILES

Fibers and Polymers Pub Date : 2025-06-28 DOI:10.1007/s12221-025-01058-0

Lijun Dai, Ruchen Hong, Jun Lai, Tingting Huang, Lan Li, Tian Zhang, Yuankang He, Jinxin Lin

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Abstract

In this study, a set of self-designed 20 L dyeing equipment was employed to investigate the application of color matching kettles with different structural designs in dyeing polyethylene terephthalate (PET) under supercritical carbon dioxide (scCO₂) treatment. The dyeing effects of horizontal and vertical color matching kettle were examined when the ratios of disperse blue 291 (DB 291) were 0.05% to 0.80%. In light of the findings and consideration of the relative merits and disadvantages of different placements for color matching kettles, it is preliminarily believed that the vertical configuration of the color matching kettle is a suitable choice for practical production. In addition, the vertical color matching kettle was further explored to determine the optimal holding time under different dye ratios. Moreover, treatment at (363.15 ± 2) K and (23 ± 1) MPa did not disrupt the molecular structure of DB 291, thus ensuring the stability of the dyeing process.

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超临界二氧化碳中不同结构配色釜对聚对苯二甲酸乙二醇酯织物染色的研究

本研究采用自行设计的一套20 L染色设备，研究了不同结构设计的配色水壶在超临界二氧化碳（scCO2）处理下对聚对苯二甲酸乙二醇酯（PET）染色中的应用。考察了分散蓝291 （db291）的配比为0.05% ~ 0.80%时，卧式和立式配色釜的染色效果。根据研究结果，综合考虑配色壶不同放置位置的相对优缺点，初步认为配色壶的垂直配置是实际生产中比较合适的选择。此外，还对立式配色釜进行了进一步的探索，以确定不同染比下的最佳保温时间。此外，在（363.15±2）K和（23±1）MPa下处理不会破坏DB 291的分子结构，从而保证了染色过程的稳定性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Fibers and Polymers 工程技术-材料科学：纺织

CiteScore

3.90

自引率

8.00%

发文量

267

审稿时长

3.9 months

期刊介绍： -Chemistry of Fiber Materials, Polymer Reactions and Synthesis- Physical Properties of Fibers, Polymer Blends and Composites- Fiber Spinning and Textile Processing, Polymer Physics, Morphology- Colorants and Dyeing, Polymer Analysis and Characterization- Chemical Aftertreatment of Textiles, Polymer Processing and Rheology- Textile and Apparel Science, Functional Polymers