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A Highly Stretchable Ionic Conductive Elastomer Formed by the Supramolecular Cross-Linker
김빛가람,박태성,오승주,서지훈 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Conductive elastomer (CE) is stretchable and can exhibit ionic or electrical conductivity. However, its resistivity increases exponentially when a small number of strain changes is provided owing to irreversible deformation. Therefore, securing a wide range of linearity in the resistance-strain relationship is an important issue in the preparation of reliable conductive elastomers. Herein, an ionic conductive elastomer is prepared using supramolecular cross-linker to impart reversible elastic properties. Its linear sensitivity to the provided strain makes it possible to apply it to facile wearable strain sensor with good reproducibility.
최수비,김빛가람,서지훈,안석균 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Herein, we present a new series of liquid crystal elastomers (LCEs) incorporating various amount of polyrotaxane cross-linkers (PR-LCEs), and investigate their structure-property relationship. Toughness and damping property of the PR-LCE can be maximized at optimum PRX content (0.5 wt%), while preserving the thermally-driven reversible actuation of the LCE. Interestingly, dynamic nature of PRX crosslinker along with shape memory property of LCE enables thermally-induced self-healing, which is ineffective for the pristine LCE under the same condition.
최수비,김빛가람,서지훈,안석균 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.1
Herein, we present a new series of liquid crystal elastomers (LCEs) incorporating various amount of polyrotaxane cross-linkers (LCE-PRX), and investigate their structure-property relationship. Toughness and damping property of the LCE-PRX can be maximized at optimum PRX content (0.5 wt%), while preserving the thermally-driven reversible actuation of the LCE. Interestingly, dynamic nature of PRX crosslinker along with shape memory property of LCE enables thermally-induced self-healing, which is ineffective for the pristine LCE under the same condition.