Control of Mechanical and Electrical Properties of Stretchable Wires Printed with Conductive Pastes Composed of a Polyurethane-based Binder
2022 International Conference on Electronics Packaging (ICEP)(2022)
摘要
This paper discussed the effect of binder chemistry on electrical conductivity variation due to the tensile deformation of stretchable wires and electrodes printed with polyurethane-based electrically conductive pastes containing silver micro-flakes. Although their electrical conductivity usually showed a significant variation during uniaxial cyclic tensions, some polyurethane-based binders, including polyhydroxyurethane, effectively suppressed the electrical conductivity variation. The polyhydroxyurethane-based wires and electrodes' electrical conductivity was significantly stabilized by mixing a cross-linking agent into the binder. Binder chemistry is one of the critical factors in developing novel electrically conductive pastes for printing stretchable wires and electrodes.
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关键词
printed electronics,stretchable electronic devices,electrically conductive pastes,polyurethane,cyclic tensile test
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