Bio-based polyurethanes for flexible wearable mechanical sensors: synthesis, functional design and applications

Key Points

• The aim is to explore the synthesis and functional design of bio-based polyurethanes for applications in wearable mechanical sensors.
• Synthesis of bio-based polyurethanes
• Design of flexible, skin-conformal sensors
• Evaluation of mechanical properties and responsiveness
• Application testing in physiological signal recording
• Bio-based polyurethanes demonstrated high flexibility and durability
• Effective in capturing subtle physiological signals
• Sensor performance matched or exceeded conventional materials