Textile-Plastic Composite Material for Sensing Pressure and Proximity Conjugated with Heating Applications

Area of Science:

• Materials Science
• Textile Engineering
• Sensor Technology

Background:

• Smart textile-plastic composites (STPCs) are gaining interest for sensing and heating applications.
• Industrial scalability and maintaining mechanical properties in STPCs remain significant challenges.

Purpose of the Study:

• To develop an advanced method for fabricating STPCs with simultaneous pressure sensing, proximity detection, and heating capabilities.
• To demonstrate the industrial scalability and functional performance of the developed STPCs.

Main Methods:

• Utilized woven piezoresistive fabrics for pressure sensing and knitted triboelectric textiles with stainless steel for proximity detection.
• Integrated these textiles with heating capabilities into a three-layer plastic composite structure.
• Conducted performance testing for pressure sensitivity, proximity detection range, heating efficiency, response time, and durability.

Main Results:

• Achieved STPCs with rapid response times (~44 ms), low hysteresis, and ~95% voltage stability after 10,000 cycles.
• Demonstrated effective pressure monitoring via electrical resistance changes.
• Successfully detected objects within 0.5-3 cm and achieved controlled heating from 22-80 °C.
• Enabled wireless data transmission to a smartphone.

Conclusions:

• The developed STPC system offers simultaneous multi-functional capabilities (sensing, proximity, heating) suitable for industrial applications.
• The fabricated STPCs exhibit excellent performance, durability, and scalability.
• This technology enhances operational efficiency, scalability, and safety in advanced functional systems.