涤纶/聚酰胺6纳米纤维包覆纱的连续制备及其应用

doi:10.13475/j.fzxb.20210707307

纺织学报 ›› 2022, Vol. 43 ›› Issue (02): 110-115.doi: 10.13475/j.fzxb.20210707307

涤纶/聚酰胺6纳米纤维包覆纱的连续制备及其应用

周筱雅¹^,², 马定海³, 胡铖烨¹^,², 洪剑寒¹^,²^,⁴, 刘永坤¹^,², 韩潇¹^,²(), 闫涛⁴

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
3.绍兴雨杭纺织有限公司, 浙江绍兴 312030
4.纺织行业智能纺织服装柔性器件重点实验室, 江苏苏州 215123

收稿日期:2021-07-24 修回日期:2021-11-29 出版日期:2022-02-15 发布日期:2022-03-15
通讯作者: 韩潇
作者简介:周筱雅(1999—),女,硕士生。主要研究方向为功能纺织品的开发与应用。
基金资助:
浙江省公益技术研究计划项目(LGG20E030002);中国纺织工业联合会纺织行业智能服装柔性器件重点实验室开放课题(SDHY2112)

Continuous preparation and application of polyester/polyamide 6 nanofiber coated yarns

ZHOU Xiaoya¹^,², MA Dinghai³, HU Chengye¹^,², HONG Jianhan¹^,²^,⁴, LIU Yongkun¹^,², HAN Xiao¹^,²(), YAN Tao⁴

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
3. Shaoxing Yuhang Textile Co., Ltd., Shaoxing, Zhejiang 312030, China
4. Key Laboratory of Flexible Devices for Intelligent Textile and Apparel, Suzhou, Jiangsu 215123, China

Received:2021-07-24 Revised:2021-11-29 Published:2022-02-15 Online:2022-03-15
Contact: HAN Xiao

摘要/Abstract

摘要：

为制备兼具力学性能和导电性能的氨敏传感器基体材料,采用一种水浴静电纺丝法连续制备涤纶工业丝为芯,聚酰胺6纳米纤维为皮层的纳米纤维包覆纱(NCY),并采用原位聚合法对其进行导电处理,制备表面负载聚吡咯的导电纳米纤维包覆纱(NCY/PPy),借助扫描电子显微镜和傅里叶红外光谱仪对NCY和NCY/PPy进行表面形貌和化学结构分析,同时研究了NCY/PPy的导电性能、力学性能、氨敏性能。结果表明,NCY具有超高的比表面积;经导电处理后,负载的聚吡咯未堵塞纤维之间的空隙,纳米纤维包覆层仍保持多孔网状结构,当吡哜浓度为0.07 mol/L 时,NCY/PPy的电导率达7.19×10^-2 S/cm;高比表面积的纳米结构导电层,有利于提高气敏传感器对氨气的敏感性。

关键词: 水浴静电纺丝法, 纳米纤维包覆纱, 聚吡咯, 原位聚合法, 氨敏传感器

Abstract:

In order to prepare the substrate material of ammonia sensor with both mechanical and electrical properties, nanofiber coated yarns (NCY) with polyester industrial yarn as core and polyamide 6 nanofiber as skin was continuously prepared by a water bath electrostatic spinning method, and conductive treatment was carried out by in-situ polymerization to prepare conductive nanofiber coated yarns (NCY/PPy) with polypyrrole on the surface. The surface morphology and chemical structure of NCY and NCY/PPy were analyzed by means of scanning electron microscope and Fourier transform infrared spectrometer. Meanwhile, the conductivity, mechanical properties and ammonia sensitivity of NCY/PPy were studied. The results show that NCY has an extremely high specific surface area. After conducting treatment, the loaded polypyrrole does not block the gap between the fibers, and the nanofiber coating still maintains the porous network structure, and when the polypyrrole is 0.07 mol/L, the conductivity of NCY/PPy is 7.19×10^-2 S/cm. Nano-structured conductive layer with high specific surface area is beneficial to improve the sensitivity of gas sensor to ammonia.

Key words: water bath electrospinning, nanofiber coated yarn, polypyrrole, in situ polymerization, ammonia sensor

中图分类号:

TQ340.6

周筱雅, 马定海, 胡铖烨, 洪剑寒, 刘永坤, 韩潇, 闫涛. 涤纶/聚酰胺6纳米纤维包覆纱的连续制备及其应用[J]. 纺织学报, 2022, 43(02): 110-115.

ZHOU Xiaoya, MA Dinghai, HU Chengye, HONG Jianhan, LIU Yongkun, HAN Xiao, YAN Tao. Continuous preparation and application of polyester/polyamide 6 nanofiber coated yarns[J]. Journal of Textile Research, 2022, 43(02): 110-115.

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参考文献 22

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样品名	吡咯浓度/ (mol·L^-1)	PTSA浓度/ (mol·L^-1)	FeCl₃浓度/ (mol·L^-1)
NCY/PPy-1	0.03
NCY/PPy-2	0.04
NCY/PPy-3	0.05	0.03	0.05
NCY/PPy-4	0.06
NCY/PPy-5	0.07
PIY/PPy-1	0.03
PIY/PPy-2	0.04
PIY/PPy-3	0.05	0.03	0.05
PIY/PPy-4	0.06
PIY/PPy-5	0.07

吡咯浓度/ (mol·L^-1)	电导率/(10^-2 S·cm^-1)
吡咯浓度/ (mol·L^-1)	NCY/PPy	PIY/PPy
0.03	2.58	45.0
0.04	3.10	74.9
0.05	2.85	63.1
0.06	3.43	97.1
0.07	7.19	52.9

试样名称	断裂强力/N	断裂伸长率/%	初始模量/ (cN·dtex^-1)
PIY	18.52±0.51	46.42±1.79	20.18±0.75
NCY	18.75±0.39	46.77±2.03	19.85±0.58
NCY/PPy-4	16.28±0.46	43.73±2.15	15.71±0.59

涤纶/聚酰胺6纳米纤维包覆纱的连续制备及其应用

Continuous preparation and application of polyester/polyamide 6 nanofiber coated yarns

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