Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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Properties of Stretchable Electrode Pattern Printed on Urethane Film

우레탄 필름에 인쇄된 신축 가능한 전극 패턴의 특성

  • Nam, Su-Yong (Department of Graphic Arts Information Engineering, Pukyong National University) ;
  • Kwon, Bo-Seok (Department of Graphic Arts Information Engineering, Pukyong National University) ;
  • Nam, Hyun-Jin (Graduate School of NID Fusion Technology, Seoul National University of Science and Technology) ;
  • Nam, Ki-Woo (Department of Materials Science and Engineering, Pukyong National University) ;
  • Park, Hyo-Zun (Energy & Enviorment division)
  • 남수용 (부경대학교 인쇄정보공학과) ;
  • 권보석 (부경대학교 인쇄정보공학과) ;
  • 남현진 (서울과학기술대학교 나노IT디자인융합대학원) ;
  • 남기우 (부경대학교 재료공학과) ;
  • 박효준 (한국조폐공사 화폐본부, 동력환경부)
  • Received : 2017.11.15
  • Accepted : 2018.02.19
  • Published : 2018.02.28
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Abstract

Currently, functional patterns are formed by screen printing on stretchable films, and they are applied to wearable and stretchable devices. In this study, three types of silver paste were prepared using three polyester binders with different Tg and molecular weights in order to impart elasticity to the conductive pattern itself. Rheological properties and DSC measurements were performed for each silver paste. Then, each silver paste was screen printing and cured by an IR dryer to evaluate adhesive strength, pencil hardness, resistance and surface shape change according to strain. As a result, it was found that the silver paste using a binder with a low Tg and a high molecular weight has the smallest resistance change depending on the strain. Namely, it was found that it is most preferable to use a binder with a low Tg and a high molecular weight as the stretchable electrode.

Keywords

References

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