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논문 기본 정보

자료유형
학술저널
저자정보
LUO YUZI (연세대학교) 조길수 (연세대학교)
저널정보
한국의류산업학회 한국의류산업학회지 한국의류산업학회지 제24권 제1호
발행연도
2022.2
수록면
146 - 155 (10page)

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초록· 키워드

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We proposed a simple process of creating electroconductive textiles by using PEDOT:PSS(Poly(3,4-eth- ylenedioxythiophene):poly(styrenesulfonate))/non-oxidized graphene to coat polyamide or polyurethane knitted fabric for smart healthcare purposes. Electroconductive textiles were obtained through a coating process that used different amounts of PEDOT:PSS/non-oxidized graphene solutions on polyamide/polyurethane knitted fabric. Subsequently, the surface, electrical, chemical, weight change, and elongation properties were evaluated according to the ratio of PEDOT:PSS/non-oxidized graphene composite(1.3 wt%:1.0 wt%; 1.3 wt%:0.6 wt%; 1.3 wt%:0.3 wt%) and the number of applications(once, twice, or thrice). The specimens’ surface morphology was observed by FE-SEM. Further, their chemical structures were characterized using FTIR and Raman spectroscopy. The electrical properties measurement (sheet resistance) of the specimens, which was conducted by four-point contacts, shows the increase in conductivity with non-oxidized graphene and the number of applications in the composite system. Moreover, a test of the fabrics’ mechan- ical properties shows that PEDOT:PSS/non-oxidized graphene-treated fabrics exhibited less elongation and better ability to recover their original length than untreated samples. Furthermore, the PEDOT:PSS/non-oxidized graphene polyamide/ polyurethane knitted fabric was tested by performing tensile operations 1,000 times with a tensile strength of 20%; Con- sequently, sensors maintained a constant resistance without noticeable damage. This indicates that PEDOT:PSS/non-oxi- dized graphene strain sensors have sufficient durability and conductivity to be used as smart wearable devices.

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