纺织学报 ›› 2020, Vol. 41 ›› Issue (06): 81-85.doi: 10.13475/j.fzxb.20190203505

• 染整与化学品 • 上一篇    下一篇

蚕丝织物的栀子蓝色素染色

宋慧君1(), 翟亚丽2, 钞意元1, 朱超宇1   

  1. 1.河南工程学院 材料与化学工程学院, 河南 郑州 450007
    2.河南工程学院 纺织学院, 河南 郑州 450007
  • 收稿日期:2019-02-20 修回日期:2020-02-21 出版日期:2020-06-15 发布日期:2020-06-28
  • 作者简介:宋慧君(1969—),女,教授,博士。主要研究方向为天然高分子材料及天然染料染色。E-mail:syy66688@126.com
  • 基金资助:
    国家级大学生创新创业训练计划项目(201811517002);河南省科技发展计划项目(182102310852);河南工程学院博士基金项目(D2016008)

Silk fabric dyed with gardenia blue pigment

SONG Huijun1(), ZHAI Yali2, CHAO Yiyuan1, ZHU Chaoyu1   

  1. 1. School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou, Henan 450007, China
    2. School of Textiles, Henan University of Engineering, Zhengzhou, Henan 450007, China
  • Received:2019-02-20 Revised:2020-02-21 Online:2020-06-15 Published:2020-06-28

摘要:

为解决蚕丝织物的天然染料染色缺少蓝色的问题,丰富天然染料染色蚕丝织物的色谱,用栀子蓝色素对蚕丝织物染色,研究了染色工艺对上染百分率的影响,依据栀子蓝色素上染蚕丝织物的上染速率曲线及吸附等温线分别研究了其染色动力学和染色热力学。得到栀子蓝色素上染蚕丝织物的最佳工艺为:染色pH值3,染色时间50 min,染色温度60 ℃。在60 ℃,pH值为3条件下染色,染色吸附过程符合准二级动力学模型,为化学吸附,吸附等温线为朗缪尔型,为定位吸附。据此计算,得到栀子蓝色素上染蚕丝织物的染色饱和值为 97.465 9 g/kg。

关键词: 蚕丝织物, 染色, 动力学, 热力学, 栀子蓝

Abstract:

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.

Key words: silk fabric, dyeing, kinetics, thermodynamics, gardenia blue

中图分类号: 

  • TS193.1

图1

pH值对上染百分率的影响"

图2

染色温度对上染百分率的影响"

图3

栀子蓝色素对蚕丝的上染速率曲线"

图4

栀子蓝色素对蚕丝的准一级吸附动力学模型"

图5

栀子蓝色素对蚕丝的准二级吸附动力学模型"

图6

栀子蓝色素上染蚕丝的吸附等温线"

图7

栀子蓝色素对蚕丝的弗莱因德利胥型吸附等温线"

图8

栀子蓝色素对蚕丝的朗缪尔型吸附等温线"

表1

染色织物的K/S值和染色牢度"

K/S 耐摩擦色牢度/级 耐皂洗色牢度/级 日晒牢
度/级
干摩 湿摩 变色 丝沾 棉沾
7.085 3~4 3 2~3 3 4 1~2
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