Article ; Online: Physical Properties of Poly(ether-thiourea)-Based Elastomer Formed by Zigzag Hydrogen Bonding and Slidable Cross-Linking.
ACS macro letters
2023 Volume 12, Issue 11, Page(s) 1558–1563
Abstract: In this study, the effects of zigzag hydrogen bonding and slidable cross-linking on the design of stretchable elastomers were explored. Poly(ether-thiourea) (TU), capable of generating strong zigzag hydrogen bonds without crystallization, was introduced ... ...
Abstract | In this study, the effects of zigzag hydrogen bonding and slidable cross-linking on the design of stretchable elastomers were explored. Poly(ether-thiourea) (TU), capable of generating strong zigzag hydrogen bonds without crystallization, was introduced as the main chain in the non-cross-linked region of the developed elastomer. Consequently, the toughness of the TU-based elastomer was 14 times higher than that of elastomers formed using linear poly(ethylene glycol), despite the relatively low molecular weight of TU (∼3k). When a slidable polyrotaxane cross-linker was introduced into the TU-based elastomer, its flexibility became twice as high as that of the rigid polymer cross-linker. Moreover, the mechanical properties of the elastomer were prevented from deterioration against repeated deformation under the limited strain condition of 150%. |
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Language | English |
Publishing date | 2023-11-03 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 2161-1653 |
ISSN (online) | 2161-1653 |
DOI | 10.1021/acsmacrolett.3c00526 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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