纺织学报 ›› 2020, Vol. 41 ›› Issue (05): 94-98.doi: 10.13475/j.fzxb.20190704206

• 染整与化学品 • 上一篇    下一篇

小檗碱在聚丙烯腈/醋酸纤维素复合纤维染色中的应用

刘艳春1,2, 白刚1,2()   

  1. 1.绍兴文理学院 纺织服装学院, 浙江 绍兴 312000
    2.浙江省清洁染整技术研究重点实验室, 浙江 绍兴 312000
  • 收稿日期:2019-07-12 修回日期:2019-10-04 出版日期:2020-05-15 发布日期:2020-06-02
  • 通讯作者: 白刚
  • 作者简介:刘艳春(1971—),女,教授,博士。主要研究方向为功能纺织品开发。
  • 基金资助:
    浙江省基础公益研究计划项目(LCJ18E030002);浙江省基础公益研究计划项目(LCF18E090006)

Application of berberine in polyacrylonitrile/cellulose acetate composite fiber dyeing

LIU Yanchun1,2, BAI Gang1,2()   

  1. 1. School of Textile and Apparel, Shaoxing University, Shaoxing, Zhejiang 312000, China
    2. Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province, Shaoxing, Zhejiang 312000, China
  • Received:2019-07-12 Revised:2019-10-04 Online:2020-05-15 Published:2020-06-02
  • Contact: BAI Gang

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摘要：

为拓展小檗碱的应用领域,对小檗碱理化性能进行研究,并将小檗碱应用于聚丙烯腈/醋酸纤维素复合纤维染色。通过正交试验对聚丙烯腈/醋酸纤维素复合纤维小檗碱染色工艺进行优化,测定了上染速率曲线和吸附等温线,并测试了染色后聚丙烯腈/醋酸纤维素复合纤维对金黄色葡萄球菌和大肠杆菌的抗菌性能。结果表明:小檗碱能溶于水,在pH值3~11范围内耐酸碱稳定性好,在120 ℃以下热稳定性好;小檗碱对聚丙烯腈/醋酸纤维素复合纤维染色吸附等温线呈Langmuir型,小檗碱染色半染时间为15.5 min,平衡上染百分率为97%;最佳染色工艺为:染色温度为100 ℃,染色保温时间为40 min,染色pH值为8;染色后聚丙烯腈/醋酸纤维素复合纤维对金黄色葡萄球菌和大肠杆菌的抑菌率均可达到92%以上。

关键词: 小檗碱, 天然染料, 聚丙烯腈/醋酸纤维素复合纤维, 理化性能, 纤维染色, 抗菌性能

Abstract:

In order to widen the application domain of berberine, the physical and chemical properties of berberine were studied. Dyeing of polyacrylonitrile/cellulose acetate composite fibers with berberine was also investigated in this research. The dyeing process of polyacrylonitrile/cellulose acetate composite fiber with berberine was optimized through the use of orthogonal test. The dyeing rate curve and adsorption isotherm were determined, and the antimicrobial activity of dyed samples against Staphylococcus aureus and Escherichia coli was tested. The results indicate that berberine can be dissolved in water, and it has good acid and alkali resistance in the pH range of 3-11 and good thermal stability below 120 ℃. The dyeing adsorption isotherm of berberine on polyacrylonitrile/cellulose acetate composite fiber present Langmuir sorption model. The half dyeing time of berberine is 15.5 minutes, and the percentage of equilibrium dyeing is 97%. The best dyeing condition of berberine is found to be: dyeing temperature is 100 ℃, dyeing time is 40 min, dyeing pH value is 8. After dyeing, the bacteriostatic rate of polyacrylonitrile/cellulose acetate composite fiber to Staphylococcus aureus and Escherichia coli is over 92%.

Key words: berberine, natural dye, polyacrylonitrile/cellulose acetate composite fiber, physical and chemical properties, fiber dyeing, antimicrobial property

中图分类号: 

  • TS193.62

图1

小檗碱可见光谱图"

表1

pH值对小檗碱溶液稳定性的影响"

pH值 λmax/nm 吸光度A
3 420 0.270
5 419 0.271
7 421 0.266
9 420 0.268
11 420 0.263

表2

温度对小檗碱热稳定性的影响"

温度/℃ λmax/nm 吸光度A
40 419 0.272
60 421 0.269
80 421 0.274
100 419 0.274
120 420 0.272

图2

小檗碱的TG与DTA曲线"

表3

染色正交试验因素水平表"

水平 A B C
染色温度/℃ 保温时间/min pH值
1 40 10 5
2 60 20 7
3 80 30 8
4 100 40 9

表4

染色正交试验结果"

试验号 A B C K/S值
1 1 1 1 2.784 2
2 1 2 2 3.345 1
3 1 3 3 4.427 6
4 1 4 4 4.158 1
5 2 1 2 4.791 4
6 2 2 1 5.383 6
7 2 3 4 5.624 4
8 2 4 3 5.916 2
9 3 1 3 5.612 1
10 3 2 4 6.536 2
11 3 3 1 6.335 7
12 3 4 2 6.714 8
13 4 1 4 6.428 6
14 4 2 3 7.165 8
15 4 3 2 6.802 5
16 4 4 1 6.512 9
K1 3.679 4.904 5.254
K2 5.429 5.608 5.413
K3 6.300 5.798 5.780
K4 6.727 5.825 5.687
R 3.048 0.921 0.526

图3

小檗碱上染速率曲线"

图4

小檗碱吸附等温线"

图5

小檗碱染色提升性曲线"

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