香蕉茎秆纤维/抗菌纤维混纺纱的制备及其性能

doi:10.13475/j.fzxb.20230805701

摘要/Abstract

摘要：

为促进天然香蕉茎秆纤维在纺织服装领域的应用,采用半精纺纺纱工艺,以香蕉茎秆纤维(BF)、优可丝安泰贝抗菌纤维(ATB)和稀土抑菌再生纤维素纤维(XT)为原料,制备了混纺比为50/50、65/35、70/30、85/15的8种BF/抗菌纤维混纺纱和1种BF纯纺纱,表征了纱线的线密度和捻度,探究了混纺比例与纱线力学性能、质量指标、抗菌性能的关系。结果表明,9种纱线实测的线密度和捻度与设计值存在偏差,但其偏差在允差范围内;ATB和XT的加入提高了BF纯纺纱的力学性能与抗菌性能,改善了BF纯纺纱的条干均匀度、毛羽指数、棉结、粗节、细节等质量指标,且香蕉/抗菌纤维混纺纱强度高、毛羽少、手感柔软,适宜开发各类机织和针织面料。

关键词: 香蕉茎秆纤维, 抗菌纤维, 混纺纱, 力学性能, 纱线质量指标, 抗菌性能

Abstract:

Objective With the proposal of the "double carbon economy" policy, green environmental protection and sustainable development become the direction of future textile development, and Xitu it is of great significance to develop new natural plant fibers and promote the application of natural banana stem fibers in the field of textile and clothing.

Method The semi-worsted spinning process was adopted with banana stem fiber (BF), EcoCosy^R antibacterial fibers (ATB) and rare earth antibacterial regenerated cellulose fiber (XT) as raw materials. Eight types of BF/antibacterial fibers (ATB and XT) blended yarns, with blending ratio of 50/50, 65/35, 70/30 and 85/15, and one BF pure spun yarn were prepared. The yarn density and twist were characterized, and the relationship between the blending ratio and mechanical properties, quality index and antibacterial properties of the yarn was investigated.

Results The measured linear density and twist of the 9 types of yarns were different from the designed values, but the deviation was within the tolerance range. The mechanical properties of BF pure spinning are poor, with the breaking strength being (7.12±1.45) cN/tex, the elongation at break (2.56±0.43)%, and the initial modulus (247.11±81.07) cN/tex. The mechanical properties of yarns were improved with the addition of ATB and XT content. The elongation at break of BF/ATB(50/50) and BF/XT(50/50) yarns was the highest, which was (4.19±0.46)% and (4.74±0.41)%. The breaking strength of BF/ATB(85/15) and BF/XT(70/30) yarns is the highest, and they were (9.33±1.45) cN/tex and (8.97±1.28) cN/tex respectively. With the increase of the content of ATB and XT, the defects such as knots, thick knots and detail of the yarn were greatly reduced, and the evenness of yarn strip and hairiness index were improved. The yarn unevenness was decreased from 21.83% to 13.91% and 14.8% respectively, and the hair index was decreased from 6.72 mm to 5.85 mm and 5.27 mm respectively, decreasing by 13% and 22%. The bacteriostatic rate of BF pure spinning against Escherichia coli was 65.47%, and the bacteriostatic rate of yarn increased with the increase of ATB and XT content. When the ratio of BF/ATB and BF/XT blended yarn was 50/50, the inhibition rate of Escherichia coli reached the maximum, which were 88.79% and 84.76% respectively, while for Staphylococcus aureus, the content of ATB and XT had little effect on the inhibition rate, and the inhibition rate of BF pure spun yarn and blended yarn could reach more than 95%.

Conclusion The addition of ATB and XT improved the mechanical properties and antibacterial properties of BF pure spinning. In addition, it also improves the quality indexes of BF pure spun yarn, such as strip evenness, hairiness index, knots, thick knots and details, making the blended yarn have higher breaking strength, excellent antibacterial property. It is of great significance for its application and development in clothing, and is suitable for the development of leisure woven shirt fabric and knitted fabric.

Key words: banana stem fiber, antibacterial fiber, blended yarn, mechanical property, quality index of yarn, antibacterial property

中图分类号:

TS106.5

刘婷, 闫涛, 潘志娟. 香蕉茎秆纤维/抗菌纤维混纺纱的制备及其性能[J]. 纺织学报, 2024, 45(10): 48-54.

LIU Ting, YAN Tao, PAN Zhijuan. Preparation and properties of banana stem fiber/antibacterial fiber blended yarn[J]. Journal of Textile Research, 2024, 45(10): 48-54.

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链接本文: http://www.fzxb.org.cn/CN/10.13475/j.fzxb.20230805701

http://www.fzxb.org.cn/CN/Y2024/V45/I10/48

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纤维种类	平均长度/mm	线密度/ dtex	断裂强度/ (cN·dtex^-1)	断裂伸长率/%	初始模量/ (cN·dtex^-1)	抑菌率/%
纤维种类	平均长度/mm	线密度/ dtex	断裂强度/ (cN·dtex^-1)	断裂伸长率/%	初始模量/ (cN·dtex^-1)	对大肠杆菌	对金黄色葡萄球菌
香蕉茎秆纤维(BF)	106.00	5.06	7.30	2.63	272.81	64.93	98.13
优可丝安泰贝抗菌纤维(ATB)	38.00	1.33	2.49	19.49	68.26	78.57	99.06
稀土抑菌再生纤维素纤维(XT)	38.00	1.67	2.21	19.67	58.20	82.51	99.00

实验仪器	生产厂家	实验仪器	生产厂家
YK105型开松机	青岛亿祥纺织机械厂	BS224S型Sartorious电子天平	德国赛多利斯公司
BC262型和毛机	青岛中瑞特机械制造有限公司	YG155A型纱线捻度仪	常州天荣仪器设备有限公司
A186G型梳棉机	青岛亿祥纺织机械厂	INSTRON 3365通用材料试验机	美国Instron公司
FA318A型并条机	青岛云龙纺织机械有限公司	ME100型乌斯特条干仪	瑞士USTER公司
FA503型细纱机	江阴江动纺机制造有限公司	HWS-080恒温恒湿箱	上海圣科仪器设备有限公司
USTER^®QUANTUM³型络筒机	瑞士乌斯特技术公司	THZ-103B恒温培养摇床	上海叶拓科技有限公司
YG086型缕纱测长试验仪	南通宏大实验仪器有限公司	Nuaire-NU-543-500S生物安全柜	上海天美生化仪器设备工程有限公司
JWF1436C型粗纱机	天津宏大纺织科技有限公司	YXQ-LS-18S I手提式压力蒸汽灭菌器	上海博迅医疗生物仪器股份有限公司

纱线种类	实际线密度/tex	捻度/(捻·m^-1)	捻系数
100% BF	27.54±0.04	846	444
BF/ATB(85/15)	28.07±0.08	867	459
BF/ATB(70/30)	27.68±0.07	836	440
BF/ATB(65/35)	27.30±0.04	844	441
BF/ATB(50/50)	28.07±0.01	853	452
BF/XT(85/15)	27.46±0.03	846	443
BF/XT(70/30)	28.79±0.02	855	459
BF/XT(65/35)	26.24±0.02	851	436
BF/XT(50/50)	28.99±0.01	849	457

纱线种类	断裂伸长率/%	断裂强度/ (cN·tex^-1)	初始模量/ (cN·tex^-1)
100% BF	2.56±0.43	7.12±1.45	247.11±81.07
BF/ATB(85/15)	3.69±0.53	9.33±1.45	99.16±46.56
BF/ATB(70/30)	3.77±0.46	8.67±1.48	110.50±36.99
BF/ATB(65/35)	3.07±0.42	8.03±1.06	184.89±52.78
BF/ATB(50/50)	4.19±0.46	8.74±0.93	100.04±31.83
BF/XT(85/15)	3.39±0.52	8.18±1.66	78.10±36.51
BF/XT(70/30)	4.16±0.41	8.97±1.28	58.78±23.37
BF/XT(65/35)	3.54±0.35	8.46±1.09	112.24±35.06
BF/XT(50/50)	4.74±0.41	8.34±0.83	71.82±12.44

纱线种类	细节/(个·km^-1)		粗节/(个·km^-1)		棉结/(个·km^-1)
纱线种类	-40%	-50%	+35%	+50%	+140%	+200%
BF(100%)	5 830	2 164	5 350	2 934	6 929	2 666
BF/ATB(85/15)	3 397	758	4 165	1 934	4 680	1 576
BF/ATB(70/30)	2 038	340	3 091	1 217	3 286	972
BF/ATB(65/35)	1 886	290	2 991	1 199	3 158	945
BF/ATB(50/50)	653	48	2 017	640	1 646	430
BF/XT(85/15)	3 643	917	4 301	2 011	4 764	1 636
BF/XT(70/30)	1 945	318	3 176	1 263	3 008	866
BF/XT(65/35)	1 651	264	2 975	1 149	3 030	920
BF/XT(50/50)	1 086	109	2 361	785	2 051	526