스마트웨어용 텍스타일형 전극 및 배선으로의 적용을 위한 전도성 복합사 개발 연구
Research on the Development of Conductive Composite Yarns for Application to Textile-based Electrodes and Smartwear Circuits
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This study aimed to research the local production of conductive composite yarn, a source material used in tex-tile-type electrodes and circuits. The physical properties of an internationally available conductive composite yarn wereanalyzed. To manufacture the conductive composite yarn, we selected one type of conductive yarn with Ag-coated poly-amide of 150d 1 ply, along with two types of polyethylene terephthalate (PET) with circular and triangular cross-sections,both with 150d 1 ply. The conductive composite yarn samples were manufactured at 250, 500, 750, and 1000 turns permeter (TPM). For both conductive composite yarn samples manufactured from two types of PET filaments, the twist con-traction rate of the sample with a triangular cross-section was stable. Among the samples, the tensile strength of the sam-ple manufactured at 750 TPM was the highest at approximately 4.1gf/d; the overall linear resistance was approximately5.0 Ω/cm, which is within the target range. It was confirmed that the triangular cross-section sample manufactured with750 TPM had a similar linear resistance value to the advanced product despite the increase in the number of twists. Infuture studies, we plan tomanufacture samples by varying the twist conditions to derive the optimal conductive yarn suit-able for smartwear and smart textile manufacturing conditions.
Abstract
This study aimed to research the local production of conductive composite yarn, a source material used in tex-tile-type electrodes and circuits. The physical properties of an internationally available conductive composite yarn wereanalyzed. To manufacture the conductive composite yarn, we selected one type of conductive yarn with Ag-coated poly-amide of 150d 1 ply, along with two types of polyethylene terephthalate (PET) with circular and triangular cross-sections,both with 150d 1 ply. The conductive composite yarn samples were manufactured at 250, 500, 750, and 1000 turns permeter (TPM). For both conductive composite yarn samples manufactured from two types of PET filaments, the twist con-traction rate of the sample with a triangular cross-section was stable. Among the samples, the tensile strength of the sam-ple manufactured at 750 TPM was the highest at approximately 4.1gf/d; the overall linear resistance was approximately5.0 Ω/cm, which is within the target range. It was confirmed that the triangular cross-section sample manufactured with750 TPM had a similar linear resistance value to the advanced product despite the increase in the number of twists. Infuture studies, we plan tomanufacture samples by varying the twist conditions to derive the optimal conductive yarn suit-able for smartwear and smart textile manufacturing conditions.
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