Silk fabric dyed with gardenia blue pigment

被引：0
|
作者：
Song H. [1 ]
Zhai Y. [2 ]
Chao Y. [1 ]
Zhu C. [1 ]
机构：
[1] School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou, 450007, Henan
[2] School of Textiles, Henan University of Engineering, Zhengzhou, 450007, Henan
来源：
| 1600年 / China Textile Engineering Society卷 / 41期
关键词：
Dyeing; Gardenia blue; Kinetics; Silk fabric; Thermodynamics;
D O I：
10.13475/j.fzxb.20190203505
中图分类号：
学科分类号：
摘要：
Facing the problem that silk fabrics dyed with natural dyes has insufficient blue color, gardenia blue was used in dyeing silk fabrics as an attempt to enrich the chromatogram of silk fabrics dyed with natural dyes. The effects of the dyeing process on dye uptake was studied, and dyeing kinetics and dyeing thermodynamics of silk fabrics dyed with gardenia blue were studied according to the dyeing rate curve and adsorption isotherm respectively. The results show that the optimum dyeing condition is dyeing at pH=3 and 60℃ for 50 min. When dyeing at pH=3 and 60℃, the adsorption of pigments to silk fabrics responds to the quasi-second-order kinetic, indicating chemical adsorption. The adsorption isotherm conforms to Langmuir-type adsorption isotherm, suggesting a localized adsorption. The dyeing saturation value of gardenia blue dyeing silk is 97.465 9 g/kg according to Langmuir's adsorption isotherm formula. Copyright No content may be reproduced or abridged without authorization.
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页码：81 / 85
页数：4
相关论文
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