Ion-Conducting, Supramolecular Crosslinked Elastomer with a Wide Linear Range of Strain Resistances
- Authors
- Kim, Bitgaram; Park, Taesung; Oh, Soong Ju; Seo, Ji-Hun
- Issue Date
- 8-10월-2021
- Publisher
- AMER CHEMICAL SOC
- Keywords
- conductive elastomers; polyrotaxanes; slidable cross-linkers; strain sensor; supermolecules
- Citation
- ACS APPLIED POLYMER MATERIALS, v.3, no.10, pp.5012 - 5021
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS APPLIED POLYMER MATERIALS
- Volume
- 3
- Number
- 10
- Start Page
- 5012
- End Page
- 5021
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/136069
- DOI
- 10.1021/acsapm.1c00773
- ISSN
- 2637-6105
- Abstract
- A conductive elastomer is stretchable and can exhibit ionic or electrical conductivity. However, its resistivity increases exponentially when a small number of strain changes are provided owing to irreversible internal deformation. Therefore, securing a wide range of linearity in the resistance-strain relationship is an important topic in the preparation of highly reliable conductive elastomers. Herein, an ionic conductive elastomer is prepared using 2-methoxyethyl acrylate (MA) and a molecular necklace-like polyrotaxane (PRX) cross-linker to impart reversible elastic properties. The MAPRX exhibits a superior stretchability of up to 1420% with a tensile strength of 0.52 MPa. Besides, it shows a wide range of strain-resistance linearities (similar to 1100%) owing to the slidable supramolecular cross-linkers. Its linear sensitivity to the provided strain makes it possible to apply it to facile wearable strain sensors with good reproducibility.
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Collections - College of Engineering > Department of Materials Science and Engineering > 1. Journal Articles
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