Superhydrophobic and Breathable Nonwoven-Based Pressure–Temperature Bimodal Tactile Sensor Without Signal Crosstalk 


Vol. 26,  No. 3, pp. 1147-1162, Mar.  2025
10.1007/s12221-025-00865-9


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  Abstract

To address the issues of signal crosstalk and discomfort between multifunctional sensors, this paper presents a novel design and integration approach that combines the capacitive pressure sensing mechanism of a fabric dome structure and the temperature sensing mechanism of ionic liquids/thermoplastic polyurethane elastomers/sewing threads (IG/TPU/ST), demonstrating a superhydrophobic and breathable bimodal tactile sensor with no crosstalk between pressure and temperature responses. The sensor has a pressure sensitivity of up to 0.043 kPa−1 (in the range of 0–6.84 kPa), a wide detection range of 0–223 kPa, a fast response time of 120 ms, and excellent stability (12,000 compression cycles), while it has a temperature sensitivity of up to − 0.015 ℃−1 (in the range of 18–42 ℃), and a response time of 5 s between 20 ℃ and 45 ℃. Moreover, the bimodal sensor effectively addresses the issue of interference between pressure and temperature sensing, while also offering benefits such as breathability and self-cleaning. These features render it well suited for the monitoring of physiological signals in human subjects. Thus, the pressure–temperature bimodal tactile sensor has the potential to play a significant role in the development of motion monitoring systems, health monitoring systems, and human–computer interfaces.

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  Cite this article

[IEEE Style]

R. Zhang, Y. Zheng, C. Li, T. Zhang, J. Wang, Z. Zou, "Superhydrophobic and Breathable Nonwoven-Based Pressure–Temperature Bimodal Tactile Sensor Without Signal Crosstalk," Fibers and Polymers, vol. 26, no. 3, pp. 1147-1162, 2025. DOI: 10.1007/s12221-025-00865-9.

[ACM Style]

Rui Zhang, Yingying Zheng, Chengxin Li, Ting Zhang, Jian Wang, and Zhuanyong Zou. 2025. Superhydrophobic and Breathable Nonwoven-Based Pressure–Temperature Bimodal Tactile Sensor Without Signal Crosstalk. Fibers and Polymers, 26, 3, (2025), 1147-1162. DOI: 10.1007/s12221-025-00865-9.