甜菜碱聚合物的合成及其在棉织物抗菌整理中的应用

doi:10.13475/j.fzxb.20190307006

纺织学报 ›› 2020, Vol. 41 ›› Issue (02): 89-94.doi: 10.13475/j.fzxb.20190307006

甜菜碱聚合物的合成及其在棉织物抗菌整理中的应用

高思梦¹^,²^,³, 王鸿博¹^,²^,³(), 杜金梅¹^,²^,³, 王文聪¹^,²^,³

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
3.江南大学纺织服装学院, 江苏无锡 214122

收稿日期:2019-03-24 修回日期:2019-06-20 出版日期:2020-02-15 发布日期:2020-02-21
通讯作者: 王鸿博
作者简介:高思梦(1995—),女,硕士生。主要研究方向为功能纺织材料。
基金资助:
国家重点研发计划资助项目(2017YFB0309100)

Synthesis of polybetaine antibacterial agent and its applications in cotton textiles finishing

GAO Simeng¹^,²^,³, WANG Hongbo¹^,²^,³(), DU Jinmei¹^,²^,³, WANG Wencong¹^,²^,³

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
3. College of Textiles and Clothing, Jiangnan University, Wuxi, Jiangsu 214122, China

Received:2019-03-24 Revised:2019-06-20 Online:2020-02-15 Published:2020-02-21
Contact: WANG Hongbo

摘要/Abstract

摘要：

为解决现有甜菜碱抗菌剂在棉织物整理中抗菌效果不足的问题,制备了一种聚磺酸甜菜碱(PSPB-Am-AGE)抗菌整理剂并应用于棉织物的抗菌整理。利用正交试验分析了合成抗菌剂的温度、时间、引发剂用量和反应单体配比对其抑菌率的影响;采用活菌计数法测试了抗菌剂的最低抑菌浓度、抗菌整理后棉织物的抗菌性能及耐洗牢度。试验结果表明:合成该抗菌剂的最优工艺为反应温度70 ℃、反应时间4 h,甜菜碱与丙烯酰胺的量比为 2∶1,引发剂2%;PSPB-Am-AGE对大肠杆菌与金黄色葡萄球菌的最低抑菌质量浓度为2.625 g/L;红外谱图与扫描电子显微镜表征结果表明,PSPB-Am-AGE成功接枝到织物表面。整理后织物对大肠杆菌和金黄色葡萄球菌的抑菌率分别为96.25%和99.79%,经30次洗涤后抑菌率仍超过90%,耐洗涤性能优于AAA级抗菌纺织品。

关键词: 甜菜碱, 聚合, 棉织物, 抗菌整理, 抗菌剂

Abstract:

In order to enhance the antibacterial efficiency of the existing betaine antibacterial agent in cotton fabric finishing, a polysulfonatedbetaine antibacterial finishing agent (PSPB-Am-AGE) was prepared and applied on a cotton fabric for antibacterial property. The effects of temperature, time, amount of initiator, ratio of betaine and acrylamide monomer of synthesizing on the inhibition rate of PSPB-Am-AGE were investigated based on the use of the orthogonal experimental planning method. Counting viable bacteria method was used to test the minimum inhibitory concentration of PSPB-Am-AGE, antimicrobial properties and washing fastness of cotton fabrics after antimicrobial finishing. The optimum conditions for the synthesis are as follows: temperature is 70 ℃, the molar ratio of betaine to acrylamide is 2∶1, the amount of initiator is 2%, and the reaction time is 4 h. The result shows that the minimum inhibitory concentration (MIC) of PSPB-Am-AGE for Escherichia coli (E. coli) and Staphylococcus aureus (S.aureus) is 2.625 g/L. FT-IR and SEM confirmed that PSPB-Am-AGE is synthesized and successfully grafted onto the surface of the cotton fabric. It turned out that the antibacterial rates of the finished fabrics against E.coli and S.aureus are 96.25% and 99.79%. The bacterial reduction rates maintains to be over 90% against both bacteria even after 30 consecutive laundering cycles. The washing fastness test shows that treated cotton is better than that of AAA class antibacterial textiles.

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

中图分类号:

TS195.5

高思梦, 王鸿博, 杜金梅, 王文聪. 甜菜碱聚合物的合成及其在棉织物抗菌整理中的应用[J]. 纺织学报, 2020, 41(02): 89-94.

GAO Simeng, WANG Hongbo, DU Jinmei, WANG Wencong. Synthesis of polybetaine antibacterial agent and its applications in cotton textiles finishing[J]. Journal of Textile Research, 2020, 41(02): 89-94.

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参考文献 13

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水平	T/℃	t/h	C	D/%
1	60	4	1∶1	1
2	70	5	1∶2	1.5
3	80	6	2∶1	2

试验号		T	t	C	D	对S. aureus的抑菌率/%	对E.coli的抑菌率/%
1		1	1	1	1	98.968	96.577
2		1	2	2	2	99.492	98.421
3		1	3	3	3	99.997	99.993
4		2	1	2	3	99.999	98.095
5		2	2	3	1	99.999	98.641
6		2	3	1	2	99.999	99.997
7		3	1	3	2	99.999	99.999
8		3	2	1	3	99.999	91.416
9		3	3	2	1	81.739	81.239
k₁	S.aureus	298.457	298.968	298.967	280.707
	E.coli	294.991	294.672	287.990	276.457
k₂	S.aureus	299.999	299.491	281.231	299.492
	E.coli	296.733	288.478	277.755	298.418
k₃	S.aureus	281.738	281.736	299.996	299.995
	E.coli	272.655	281.229	298.634	289.504
R	S.aureus	18.262	17.755	18.765	19.288
	E.coli	24.078	13.443	20.879	21.961

甜菜碱聚合物的合成及其在棉织物抗菌整理中的应用

Synthesis of polybetaine antibacterial agent and its applications in cotton textiles finishing

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