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Fabrication of Compressed Hosiery and Measurement of its Pressure Characteristic Exerted on the Lower Limbs
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A High Compressibility Pressure-Sensitive Structure Based on CB@PU Yarn Network.

Xingtong Chen1, Chunguo Liu2, Shuo Liu3

  • 1Roll-forging Research Institute, College of Materials Science and Engineering, Jilin University, Changchun 130025, China. chenxt16@mails.jlu.edu.cn.

Sensors (Basel, Switzerland)
|November 30, 2018
PubMed
Summary
This summary is machine-generated.

A novel carbon black (CB)@polyurethane (PU) yarn piezoresistive sensor was developed. This flexible sensor shows high compressibility and wide pressure detection range, ideal for sensitive equipment.

Keywords:
complete compressionnet-like structurepiezoresistive sensorspressure-sensitiveresponsive behaviors

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Sensor Technology

Background:

  • Piezoresistive sensors are crucial for detecting pressure changes.
  • Developing flexible and highly sensitive pressure sensors remains a significant challenge.
  • Carbon black (CB) and polyurethane (PU) are promising materials for sensor fabrication.

Purpose of the Study:

  • To develop a novel piezoresistive sensor structure using carbon black (CB)@polyurethane (PU) yarn.
  • To investigate the fabrication method and performance characteristics of the CB@PU yarn sensor.
  • To explore the potential applications of this sensor in pressure-sensitive equipment.

Main Methods:

  • Fabrication of CB@PU yarn via polymer-mediated water-based electrostatic deposition.
  • Controlled distribution of yarn to create conductive networks.
  • Characterization of sensor performance, including compressibility, pressure sensitivity, response time, and reproducibility.

Main Results:

  • The developed sensor exhibited compressibility exceeding 97%.
  • It detected a wide pressure range from 25 Pa to 20 kPa.
  • The sensor demonstrated a response time under 70 ms and over 10,000 cycles of reproducibility.

Conclusions:

  • The CB@PU yarn network provides a collaborative advantage for pressure sensing.
  • The high performance and durability indicate significant potential for applications in pressure-sensitive equipment.
  • This study presents a viable method for creating advanced piezoresistive sensors from functionalized yarns.