纺织学报 ›› 2020, Vol. 41 ›› Issue (08): 45-49.doi: 10.13475/j.fzxb.20190603305

• 染整与化学品 • 上一篇    下一篇

天然彩棉后整理加工中颜色稳定性的影响因素

曾玉晖1, 张亭亭1, 王克作2, 何力2, 陈益人1,3()   

  1. 1.武汉纺织大学 纺织科学与工程学院, 湖北 武汉 430200
    2.湖北省纤维检验局, 湖北 武汉 430061
    3.武汉纺织大学 湖北省纺织新材料与先进加工技术省部共建国家重点实验室培育基地, 湖北 武汉 430200
  • 收稿日期:2019-06-17 修回日期:2020-05-09 出版日期:2020-08-15 发布日期:2020-08-21
  • 通讯作者: 陈益人
  • 作者简介:曾玉晖(1997—),男,硕士生。主要研究方向为纺织材料开发及纺织品设计。
  • 基金资助:
    湖北省纤维检验局科技项目(192288)

Influence factors of color stability in finishing of natural colored cotton

ZENG Yuhui1, ZHANG Tingting1, WANG Kezuo2, HE Li2, CHEN Yiren1,3()   

  1. 1. School of Textile Science and Engineering, Wuhan Textile University, Wuhan, Hubei 430200, China
    2. Hubei Province Fibre Inspection Bureau, Wuhan, Hubei 430061,China
    3. State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technology, Wuhan Textile University, Wuhan, Hubei 430200, China
  • Received:2019-06-17 Revised:2020-05-09 Online:2020-08-15 Published:2020-08-21
  • Contact: CHEN Yiren

摘要:

针对天然彩棉在后整理加工中金属离子等因素使其颜色发生变化的问题,研究了天然彩棉在不同温度、不同pH值溶液、石油醚预处理以及在金属离子处理液中颜色的变化,并制定合理的加工工艺。结果表明:当温度低于80 ℃时,天然彩棉颜色无太大变化,当温度高于80 ℃时,随温度的增加,天然彩棉颜色发生明显变化;当pH值小于7时,天然彩棉的颜色随pH值减小而逐渐变浅,当pH值大于7时,天然彩棉的颜色随pH值增大而逐渐变深;经石油醚预处理后天然彩棉的颜色比未经石油醚预处理的更为稳定;Fe2+、Fe3+、Cu2+等金属离子均对天然彩棉颜色有影响,其中Fe3+对天然彩棉颜色的影响最大。

关键词: 天然彩棉, 颜色稳定性, 整理工艺, 温度, 金属离子

Abstract:

The color of the natural colored cotton has been found to change to a certain extent during the finishing treatment. The color changes of natural colored cotton under different temperatures, solutions with different pH values, petroleum ether pretreatment and metal ion treatment solution were studied in order to formulate a reasonable processing technology. The results show that when the temperature is lower than 80 ℃, the color of natural colored cotton keeps better. When the temperature is higher than 80 ℃, the color of natural colored cotton changes obviously with the increase of temperature. When the pH value is less than 7, the color of natural colored cotton becomes paler with the pH value decreases, and when the pH value is greater than 7, the color of natural colored cotton becomes more intensive with the pH value increases. The color of natural colored cotton treated with petroleum ether appears to be more stable than that of colored cotton treated without petroleum ether. Fe2+, Fe3+, Cu2+ and other metal ions all have influence on the color of colored cotton, among which Fe3+ has the greatest influence on the color of colored cotton.

Key words: natural colored cotton, color stability, finishing processing, temperature, metal ion

中图分类号: 

  • TS111.9

图1

不同pH值下天然彩棉的L*、a*、b*值以及K/S值"

图2

不同温度下石油醚预处理前后天然彩棉纤维的ΔE值变化"

表1

不同的金属离子对天然彩棉纤维颜色的影响"

金属离子 天然绿棉 天然棕棉
ΔL* Δa* Δb* ΔE ΔL* Δa* Δb* ΔE
Fe2+ -0.296 -0.294 -1.306 5.726 -2.038 -0.230 -0.654 6.500
Cu2+ -3.432 -2.031 -4.738 3.195 -2.730 -0.576 -1.846 3.692
Ca2+ -3.886 -2.985 -5.209 3.740 -3.846 -1.654 -2.270 4.654
Na+ -0.704 -0.593 -2.293 2.462 -3.154 -0.086 -0.384 3.038
Al3+ -3.301 -0.044 -1.306 4.547 -5.616 -0.462 -1.154 5.884
Fe3+ -1.642 -0.135 -0.602 7.152 -7.076 -0.270 -2.154 7.616
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