纺织学报 ›› 2019, Vol. 40 ›› Issue (01): 84-90.doi: 10.13475/j.fzxb.20180100607

• 染整与化学品 • 上一篇    下一篇

聚磺酸甜菜碱的合成及在棉织物抗菌整理中应用

周莉1,2, 王鸿博1,2(), 杜金梅1,2, 傅佳佳1,2, 王文聪1,2   

  1. 1.江南大学 江苏省功能纺织品工程技术研究中心, 江苏 无锡 214122
    2.生态纺织教育部重点实验室(江南大学), 江苏 无锡 214122
  • 收稿日期:2018-01-02 修回日期:2018-08-20 出版日期:2019-01-15 发布日期:2019-01-18
  • 通讯作者: 王鸿博
  • 作者简介:周莉(1993—),女,硕士生。主要研究方向为功能纺织材料。
  • 基金资助:
    江苏省产学研前瞻性研究项目(BY2016022-23);江苏省先进纺织工程技术中心项目(XJFZ/2015/1);中央高校基本科研业务费专项资金资助项目(JUSRP51622A)

Synthesis of polysulfopropylbetaine and its application inantibacterial cotton fabric

ZHOU Li1,2, WANG Hongbo1,2(), DU Jinmei1,2, FU Jiajia1,2, WANG Wencong1,2   

  1. 1. Jiangsu Engineering Technology Research Center of Functional Textiles, Jiangnan University, Wuxi, Jiangsu 214122, China
    2. Key Laboratory of Eco-Textiles(Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
  • Received:2018-01-02 Revised:2018-08-20 Online:2019-01-15 Published:2019-01-18
  • Contact: WANG Hongbo

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摘要：

为实现棉织物的高效持久抗菌功能,制备了一种聚磺酸甜菜碱(PSPB)抗菌整理剂并将其应用于棉织物的抗菌整理。通过单因素分析法,探讨了PSPB质量浓度、浴比、浸泡时间、烘焙温度与烘焙时间对棉织物抑菌圈大小的影响,得到抗菌整理的优化工艺;采用活菌计数法对经优化工艺整理的棉织物进行抗菌性能及耐洗牢度测试。结果表明,抗菌整理的优化工艺条件为:PSPB质量浓度54 g/L,浴比1∶30,浸泡时间50 min,烘焙温度170 ℃,烘焙时间150 s。红外光谱与扫描电镜表征证实PSPB成功合成且成功接枝到棉纤维表面。整理后织物对大肠杆菌与金黄色葡萄球菌的抑菌率分别为99.87%、99.99%,且具有优异的耐洗性能。织物断裂强力及白度测试结果表明,PSPB抗菌棉织物的强力与白度均满足服用要求。

关键词: 甜菜碱, 棉织物, 抗菌整理, 接枝

Abstract:

In order to realize the efficient and durable antibacterial activities of cotton textiles, polysulfopropylbetaine (PSPB) antibacterial agents were prepared and applied in the functional finishing of cotton fabrics. The influence of finishing agent concentration, bath ratio, soaking time, baking time and baking temperature on the inhibition zone of cotton fabrics were carried out. The optimal conditions are 54 g/L of finishing agent concentration, 1∶30 of bath ratio, 50 min of soaking time, 150 s of baking time and 170 ℃ of baking temperature. Additionally, counting viable bacteria method was adopted to test the antibacterial properties and fastness to washing of cotton fabrics finished under the optimum reaction conditions. Also, it was proved that PSPB is synthesized and grafted successfully onto the surface of cellulose by characterization of infrared spectrometer and scanning electro microscopy. It is shown that the cotton fabrics finished by PSPB possesses excellent washability, and exhibits good antibacterial activity against both gram-negative bacteria Escherichia coli and gram-positive bacteria Staphylococcus aureus, with 99.87% and 99.99%, respectively, in antibacterial ratio. In terms of tests on the breaking strength and whiteness, no significant influence exists on cotton fabrics finished with PSPB and both properties accord with wearing needs.

Key words: betaine, antibacterial agent, cotton fabric, antibacterial finishing, grafting

中图分类号: 

  • TS195.5

图1

SPB与PSPB的合成路线"

图2

PSPB质量浓度对整理棉织物抑菌圈的影响"

图3

浴比对整理棉织物抑菌圈的影响"

图4

浸泡时间对整理织物抑菌圈的影响"

图5

烘焙温度对整理棉织物抑菌圈的影响"

表1

烘焙温度对整理棉织物强力和白度的影响"

烘焙
温度/℃		 断裂强力/N 白度/%
经向 纬向
原样 784.4 383.9 72.35
160 722.3 348.2 69.33
170 693.1 331.7 64.70
180 617.5 292.4 52.31

图6

烘焙时间对整理棉织物抑菌圈的影响"

图7

原棉织物与PSPB整理棉织物的SEM照片(×3 000)"

图8

PSPB、原棉织物与PSPB整理棉织物的红外谱图"

图9

最优工艺整理棉织物未洗涤和洗涤30次对E.coli/S.aureus的抑菌率"

图10

整理前后棉织物对E.coli/S.aureus的抗菌效果图 (a) Raw cotton fabric (E.coli); (b) Finished cotton fabric before washing (E.coli); (c) Finished cotton fabric after 30 times of washing (E.coli); (d) Raw cotton fabric (S.aureus); (e) Finished cotton fabric before washing (S.aureus); (f) Finished cotton fabric after 30 times of washing (S.aureus)"

表2

最优工艺整理棉织物的服用性能"

试样 经向断裂强力 纬向断裂强力 白度
强力/N 强力保留率/% 强力/N 强力保留率/% 白度/% 白度保留率/%
原棉织物 784.4 — 383.9 — 72.35 —
最优工艺整理棉织物 690.4 88.02 333.1 86.77 64.82 89.59
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