17th International Fiber and Polymer Research Symposium

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Resistivity-strain behavior of conductive polymer composites-effect of using carbon filler in different geometry

Authors :

Kübra Güleş¹ Alper Kaşgöz²

1- Polymer Materials Engineering, Institute of Graduate Studies, Yalova University, 77200 Yalova 2- Polymer Materials Engineering, Yalova University, Engineering Faculty, 77200 Yalova, Turkey.

Keywords :

Conductive polymer composite،strain sensitive،thermoplastic polyurethane،carbon fiber،graphite

Abstract :

The use of conductive polymer composites (CPCs) for strain sensing applications has recently sparked a lot of attention. Flexible strain-sensitive CPCs have been playing an important role in various fields in recent years, especially in wearable electronics, healthcare equipment, and electronic coatings. A wide variety of materials are used in these applications; however, thermoplastic polyurethane (TPU) stands out due to its elastomer-like behavior, appropriate flexibility, ease of processing, chemical stability, and ease of combination with various conductive materials. These properties of thermoplastic polyurethanes (TPU) provide better stretchability, higher sensitivity, and a wider detection range for flexible strain-sensitive CPCs. Carbon-based fillers find a place in elastic strain sensitive CPCs due to their good mechanical and conductivity properties. In this study, TPU matrix-strain-sensitive CPCs were produced using carbon-based conductive fillers. Carbon fiber and graphite were used as fillers in these strain-sensitive CPCs.