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Chae, Han Gi
Polymer nano-composites and Carbon Fiber Laboratory (P&C Lab)
Research Interests
  • Polymer Physics/ Processing, Carbon Nano-materials, Ultra high performance/ multifuctional nano-composites, Smart textile/ fiber

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Polyvinylidene fluoride (PVDF)/cellulose nanocrystal (CNC) nanocomposite fiber and triboelectric textile sensors

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dc.contributor.author Lee, Jung-Eun ko
dc.contributor.author Shin, Young-Eun ko
dc.contributor.author Lee, Ga-Hyeun ko
dc.contributor.author Kim, Jihyun ko
dc.contributor.author Ko, Hyunhyub ko
dc.contributor.author Chae, Han Gi ko
dc.date.available 2021-07-01T07:44:12Z -
dc.date.created 2021-06-27 ko
dc.date.issued 2021-06 ko
dc.identifier.citation COMPOSITES PART B-ENGINEERING, v.223, pp.109098 ko
dc.identifier.issn 1359-8368 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/53131 -
dc.description.abstract Polyvinylidene fluoride (PVDF)/cellulose nanocrystal (CNC) nanocomposite fibers are prepared by dry-jet wet spinning at the CNC concentrations of 0, 1, and 3 wt%, followed by mechanical stretching up to the draw ratio (DR) of 8. The structure analysis results show that the strong interaction between PVDF and CNC leads to good mechanical properties and high β phase fraction (Fβ) that is beneficial for its application as a smart textile. The chain conformational variation of PVDF is analyzed as a function of processing condition, exhibiting that the tensile properties and Fβ of all the fibers are enhanced as the polymeric chains are extended with increasing DR. Among various fibers, the nanocomposite fiber containing 1 wt% CNC possesses the highest tensile strength of 298 MPa, tensile modulus of 3.3 GPa, and Fβ of 69.1% at a DR of 8. However, at a high CNC loading of 3 wt%, the tensile properties are decreased, which may be due to the defect structure evolution by CNC aggregation. In order to demonstrate the feasibility as a smart textile, triboelectric textile sensors are fabricated via cross-stitching and conventional weaving, resulting in a good pressure sensing capability over a broad range of 0.98–98 kPa. ko
dc.language 영어 ko
dc.publisher Pergamon Press Ltd. ko
dc.title Polyvinylidene fluoride (PVDF)/cellulose nanocrystal (CNC) nanocomposite fiber and triboelectric textile sensors ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85110415067 ko
dc.identifier.wosid 000701290300005 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.compositesb.2021.109098 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S1359836821004820 ko
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