壳聚糖改性的炭黑导电织物制备及其在人体运动监测中的应用

doi:10.13475/j.fzxb.20240406501

纺织学报 ›› 2025, Vol. 46 ›› Issue (04): 146-153.doi: 10.13475/j.fzxb.20240406501

壳聚糖改性的炭黑导电织物制备及其在人体运动监测中的应用

董子靖¹^,²(), 吴欣媛¹^,², 王瑞霞¹^,², 赵华祥³, 钱利江³, 应城唯³, 孙润军¹^,²

1.西安工程大学纺织科学与工程学院, 陕西西安 710048
2.西安工程大学功能性纺织材料及制品教育部重点实验室, 陕西西安 710048
3.浙江绍兴永利印染有限公司, 浙江绍兴 312073

收稿日期:2024-04-25 修回日期:2024-08-14 出版日期:2025-04-15 发布日期:2025-06-11
作者简介:董子靖(1990—),女,副教授,博士。主要研究方向为功能性复合纺织品研发。E-mail:dongzijing@xpu.edu.cn。
基金资助:
生物基材料与绿色造纸国家重点实验室开放基金资助项目(GZKF202340);陕西省自然科学基础研究计划资助项目(2021JQ-691);陕西省教育厅科研计划项目(24JK0432);西安市科技计划项目(24GXFW0100);中国纺织工业联合会科技指导性计划项目(2022041);西安工程大学博士科研启动基金项目(BS201831)

Preparation and application of chitosan-modified conductive fabrics in human posture monitoring

DONG Zijing¹^,²(), WU Xinyuan¹^,², WANG Ruixia¹^,², ZHAO Huaxiang³, QIAN Lijiang³, YING Chengwei³, SUN Runjun¹^,²

1. School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an, Shaanxi 710048, China
2. Key Laboratory of Functional Textile Material and Product (Xi'an Polytechnic University), Ministry of Education, Xi'an, Shaanxi 710048, China
3. Zhejiang Shaoxing Yongli Printing and Dyeing Co., Ltd., Shaoxing, Zhejiang 312073, China

Received:2024-04-25 Revised:2024-08-14 Published:2025-04-15 Online:2025-06-11

摘要/Abstract

摘要： 为改善炭黑(CB)导电层与织物基底的结合牢度和均匀性,提高炭黑导电织物作为传感器的灵敏度,采用浸渍法获得壳聚糖改性的炭黑导电纯棉针织物,通过改善碳系导电填充材料在织物上的均匀度,提高织物应变传感器的灵敏度,从而开发一种可监测人体运动的柔性应变传感器。使用扫描电子显微镜、傅里叶红外光谱仪分析其表面形貌和结构,采用ZH-T0型电阻测量模块结合织物强力机,测试样品拉伸应变灵敏度和稳定性。结果表明:与未使用壳聚糖改性的炭黑导电织物相比,壳聚糖对于织物的改性处理可使炭黑更均匀地包覆在织物上,赋予纯棉针织物良好的传感性能;在60%的应变条件下,电阻变化率达到332.37%,灵敏度为5.5左右,相对于未改性样品的电阻变化率提高了183.3%,灵敏度提高了175%;改性后的样品在不同频率、拉伸百分比和1 000次往复拉伸中其拉伸应变性能保持稳定,在宽温度范围内可稳定使用。壳聚糖修饰的炭黑导电织物可用于监测人身体多个部位的运动状态,并且具有良好的重复性。

关键词: 炭黑, 壳聚糖, 导电织物, 拉伸应变性能, 人体运动监测, 织物传感器

Abstract:

Objective In the actual application process, it is found that the carbon material is easy to agitate on the surface of the fabrics, resulting in the uneven coating of the material on the surface of the fabrics, affecting the sensing performance of the flexible sensor, and greatly limiting the application of such materials. The purpose of this study is to improve the uniformity of carbon conductive filling material on fabrics, improve the sensitivity of strain sensor and develop a sensor for detecting human movement.

Method Carbon black(CB) conductive knitted fabrics modified by chitosan was prepared by an impregnation method using pure cotton knitted fabrics as matrix material. The surface morphology and structure of the samples were analyzed by a scanning electron microscope and Fourier infrared spectroscopy. The tensile strain sensitivity and stability of the samples were measured by a ZH-T0 8-channel resistance measurement module combined with fabrics strength machine.

Results By Fourier infrared spectroscopy and scanning electron microscopy testing of the prepared conductive fabric, it can be observed that CB has been deposited on the fabric, and the CS modified material is uniformly deposited. According to the stress-strain curves of the fabric and the conductive fabric during the tensile process, it can be seen that the sample PCKF/CS/CB-4.0 has good mechanical properties. According to the strain-resistance curve of the fabric, the resistance change of the sample PCKF/CS/CB-4.0 can reach 332.37%, and the sensitivity can reach 5.5. Through the stability test of the fabric, it has good resilience and good repeatability. Finally, the application test can meet the needs of human motion monitoring.

Conclusion On the basis of chitosan modified pure cotton knitted fabric, chitosan modified carbon black conductive knitted fabric was prepared. When the modified carbon black content is 4.0%, the maximum resistance change rate of the sample can reach 332.37%, and the sensitivity is 5.5, which is 183.3% and 175% higher than that of the unmodified carbon black at the same concentration. The resistance and resistance change rate of PCKF/CS/CB-4.0 at different temperatures are tested, and the results show that PCKF/CS/CB-4.0 can be used stably over a wide temperature range. Through the stability test of PCKF/CS/CB-4.0, it can be concluded that the conductive fabric not only has good sensitivity, but also has good repeatability and stability. The prepared chitosan modified carbon black pure cotton knitted fabric can be used as a sensor to monitor human motion.

Key words: carbon black, chitosan, conductive fabric, tensile strain property, human posture monitoring, fabric sensor

中图分类号:

TS111.8

董子靖, 吴欣媛, 王瑞霞, 赵华祥, 钱利江, 应城唯, 孙润军. 壳聚糖改性的炭黑导电织物制备及其在人体运动监测中的应用[J]. 纺织学报, 2025, 46(04): 146-153.

DONG Zijing, WU Xinyuan, WANG Ruixia, ZHAO Huaxiang, QIAN Lijiang, YING Chengwei, SUN Runjun. Preparation and application of chitosan-modified conductive fabrics in human posture monitoring[J]. Journal of Textile Research, 2025, 46(04): 146-153.

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链接本文: http://www.fzxb.org.cn/CN/10.13475/j.fzxb.20240406501

http://www.fzxb.org.cn/CN/Y2025/V46/I04/146

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样品编号	是否经过壳聚糖(CS) 改性	是否经过炭黑(CB) 整理	炭黑(CB)分散液质量分数/%
PCKF	否	否
PCKF/CS	是	否
PCKF/CB	否	是
PCKF/CB-1.0	否	是	1.0
PCKF/CB-2.0	否	是	2.0
PCKF/CB-3.0	否	是	3.0
PCKF/CB-4.0	否	是	4.0
PCKF/CS/CB	是	是
PCKF/CS/CB-0.5	是	是	0.5
PCKF/CS/CB-1.0	是	是	1.0
PCKF/CS/CB-2.0	是	是	2.0
PCKF/CS/CB-3.0	是	是	3.0
PCKF/CS/CB-4.0	是	是	4.0

壳聚糖改性的炭黑导电织物制备及其在人体运动监测中的应用

Preparation and application of chitosan-modified conductive fabrics in human posture monitoring

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