Fashion & Textile Research Journal (한국의류산업학회지)

The Society of Fashion and Textile Industry (한국의류산업학회)
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Production of Polypyrrole Coated PVA Nanoweb Electroconductive Textiles for Application to ECG Electrode

심전도용 전극으로의 적용을 위한 폴리피롤 코팅 PVA 나노웹 전기전도성 텍스타일의 제조

  • Kim, Jae-Hyun (Dept. of Clothing & Textiles, Yonsei University) ;
  • Yang, Hyuk-Joo (Dept. of Clothing & Textiles, Yonsei University) ;
  • Cho, Gil-Soo (Dept. of Clothing & Textiles, Yonsei University)
  • 김재현 (연세대학교 의류환경학과) ;
  • 양혁주 (연세대학교 의류환경학과) ;
  • 조길수 (연세대학교 의류환경학과)
  • Received : 2019.01.22
  • Accepted : 2019.03.29
  • Published : 2019.06.30
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Abstract

This study developed electroconductive textiles by coating polypyrrole to PET nonwoven-based Polyvinyl Alcohol (PVA) nanoweb made by electrospinning and applying the developed electrotextiles as ECG Electrodes. To find the optimum coating conditions for high electrical conductivity, the ratios of 2.6-Naphthalenedisulfonic acid with Disodium Salt (NDS) vs Ammonium Persulfate (APS) as an oxidant and a doping agent in the solution were changed from 3:7 to 7:3; the immersion time of the specimen in the solution was 1 hour. PVA nanowebs coated with polypyrrole under various conditions were filmed with FE-SEM. FT-IR analysis was also performed to examine the presence of polypyrrole nanoparticles in the PVA nanoweb. The electrical resistance of the treated specimens were measured with a Multimeter. Consequently, the PVA Nano Web was undamaged even after heat treatment that allowed for coating. Uniform polypyrrole nanoparticles then formed on the surface of the PVA nanoweb after coating. The measured electrical resistance was shown to be at least $12K{\Omega}/{\Box }$ from a maximum of $3,456K{\Omega}/{\Box }$. The proper amount of NDS content had a positive effect on the conductivity improvement of electroconductive textiles; in addition, the highest electrical conductivity was achieved with a ratio of 3:7 between NDS and APS.

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References

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