High Performance Flexible Strain Sensor Based on Thermoplastic Polyurethane Melt-blown Nonwovens

You-xiu Xie; Feng-chun Li; Xiao-dong Yang; De-wei Zhang; Hui Sun; Bin Yu

doi:10.11777/j.issn1000-3304.2025.25025

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High Performance Flexible Strain Sensor Based on Thermoplastic Polyurethane Melt-blown Nonwovens

Research Article | 更新时间：2025-07-08

- High Performance Flexible Strain Sensor Based on Thermoplastic Polyurethane Melt-blown Nonwovens
- Acta Polymerica Sinica Vol. 56, Issue 7, Pages: 1203-1214(2025)
- 作者机构：
  
  1.浙江理工大学纺织科学与工程学院（国际丝绸学院）杭州 310018
  2.浙江省现代纺织技术创新中心绍兴 312000
- 作者简介：
  
  Hui Sun, E-mail: sunhui@zstu.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2025.25025
  CLC：
- CSTR：32057.14.GFZXB.2025.7376
- Received：22 January 2025，
  
  Accepted：22 March 2025，
  
  Published Online：03 June 2025，
  
  Published：20 July 2025
- 稿件说明：
移动端阅览
谢有秀, 李逢春, 杨潇东, 张德伟, 孙辉, 于斌. 基于热塑性聚氨酯熔喷非织造材料的高性能柔性应变传感器. 高分子学报, 2025, 56(7), 1203-1214

Xie, Y. X.; Li, F. C.; Yang, X. D.; Zhang, D. W.; Sun, H.; Yu, B. High performance flexible strain sensor based on thermoplastic polyurethane melt-blown nonwovens. Acta Polymerica Sinica, 高分子学报, 2025, 56(7), 1203-1214
谢有秀, 李逢春, 杨潇东, 张德伟, 孙辉, 于斌. 基于热塑性聚氨酯熔喷非织造材料的高性能柔性应变传感器. 高分子学报, 2025, 56(7), 1203-1214 DOI： 10.11777/j.issn1000-3304.2025.25025. CSTR： 32057.14.GFZXB.2025.7376.

Xie, Y. X.; Li, F. C.; Yang, X. D.; Zhang, D. W.; Sun, H.; Yu, B. High performance flexible strain sensor based on thermoplastic polyurethane melt-blown nonwovens. Acta Polymerica Sinica, 高分子学报, 2025, 56(7), 1203-1214 DOI： 10.11777/j.issn1000-3304.2025.25025. CSTR： 32057.14.GFZXB.2025.7376.

摘要

为了制备同时具有高灵敏度、宽有效监测范围且稳定性能好的柔性可穿戴应变传感器，选择热塑性聚氨酯熔喷非织造材料(TPU MB)作为柔性基底，使用简单的机械搅拌法将炭黑(CB)和二硫化钼(MoS

)纳米片逐层组装到TPU MB表面形成的“三明治”结构，制备CB/MoS

/CB@TPU MB柔性应变传感器. 讨论了CB的浓度对传感器传感性能的影响. 得益于MoS

和CB之间的协同作用，当CB的浓度为4 mg/mL时，所制备的CB

/MoS

/CB

@TPU MB柔性应变传感器展现出了宽的有效监测范围(0%~530%)、高的灵敏度(GF = 2727.6)、快速的响应时间和回复时间(220 ms和396 ms)以及出色的耐久性(1000次拉伸循环). 该传感器能够成功地监测大幅度的人体运动、微小的面部表情变化、不同声带振动模式，在智能可穿戴设备领域具有广阔的应用前景.

Abstract

To prepare a flexible wearable strain sensor with high sensitivity

wide effective monitoring range

and good stability

thermoplastic polyurethane melt-blown nonwoven material (TPU MB) was selected as the flexible substrate. Carbon black (CB) and molybdenum disulfide (MoS

) nanosheets were assembled layer by layer on the surface of TPU MB

via

a simple mechanical stirring to obtain CB/MoS

/CB@TPU MB flexible strain sensor. The influence of CB concentration on the sensor's sensing performance was discussed. Benefited from the synergistic effect between MoS

and CB

when the concentration of CB is 4 mg/mL

the prepared CB

/MoS

/CB

@TPU MB flexible strain sensor exhibits a wide effective monitoring range (0%-530%)

high sensitivity (GF=2727.6)

rapid response time and recovery time (220 ms and 396 ms) and excellent durability (1000 tensile cycles). This sensor successfully applied to monitor large-scale human movement

subtle facial expression changes

and different vocal cord vibration modes

and has a broad application prospect in the field of smart wearable devices.

关键词

Keywords

references

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