Ultrahigh toughness of stretchable ratiometric mechanofluorescent polyurethane elastomers enhanced by dual slide-ring motion of polyrotaxane cross-linkers and daisy chain backbones.
| Title: | Ultrahigh toughness of stretchable ratiometric mechanofluorescent polyurethane elastomers enhanced by dual slide-ring motion of polyrotaxane cross-linkers and daisy chain backbones. |
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| Authors: | Cuc, Tu Thi Kim, Tso, Yun-Chen, Wu, Ting-Chi, Nhien, Pham Quoc, Khang, Trang Manh, Hue, Bui Thi Buu, Chuang, Wei-Tsung, Lin, Hong-Cheu |
| Source: | Journal of Materials Chemistry C; 9/28/2024, Vol. 12 Issue 36, p14469-14484, 16p |
| Abstract: | The first integration of dual slide-ring motion of [c2] daisy chain molecules (as backbones) and α-cyclodextrin (α-CD)-based polyrotaxanes (as cross-linkers) into mechanofluorophoric polyurethane (PU) frameworks was successfully proceeded through step-growth polymerization to yield PU films with distinctive mechanical and optical properties under stress. The intrinsic elastic and stretchable capabilities of the PU films consisting of both mechanically interlocked molecules (MIMs) via the molecular design of daisy chain backbones and polyrotaxane cross-linkers with long gliding movements were evidently enhanced, where the contributions of both extended/contracted forms in daisy chains and different α-CD numbers in polyrotaxane cross-linkers were also investigated. Moreover, reversible ratiometric fluorescence and energy transfer features between green-emitting naphthalimide donors and yellow-orange-emitting mechanofluorophoric rhodamine acceptors could be attained during stretching and relaxation processes. In addition, the stretching deformation of PU films was studied using X-ray diffraction (XRD) techniques for confirming the correlated morphological properties of stretching states in the oriented PU films. Appealingly, notable shape recovery and reversible ratiometric mechanofluorescence behavior of PU films could be achieved upon heating, signifying the potential of PU films with artificial molecular muscle functions of daisy chains accompanied by pulley effects of polyrotaxane cross-linkers, offering excellent mechanical and optical characteristics for various applications in advanced functional materials. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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| Items | – Name: Title Label: Title Group: Ti Data: Ultrahigh toughness of stretchable ratiometric mechanofluorescent polyurethane elastomers enhanced by dual slide-ring motion of polyrotaxane cross-linkers and daisy chain backbones. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Cuc%2C+Tu+Thi+Kim%22">Cuc, Tu Thi Kim</searchLink><br /><searchLink fieldCode="AR" term="%22Tso%2C+Yun-Chen%22">Tso, Yun-Chen</searchLink><br /><searchLink fieldCode="AR" term="%22Wu%2C+Ting-Chi%22">Wu, Ting-Chi</searchLink><br /><searchLink fieldCode="AR" term="%22Nhien%2C+Pham+Quoc%22">Nhien, Pham Quoc</searchLink><br /><searchLink fieldCode="AR" term="%22Khang%2C+Trang+Manh%22">Khang, Trang Manh</searchLink><br /><searchLink fieldCode="AR" term="%22Hue%2C+Bui+Thi+Buu%22">Hue, Bui Thi Buu</searchLink><br /><searchLink fieldCode="AR" term="%22Chuang%2C+Wei-Tsung%22">Chuang, Wei-Tsung</searchLink><br /><searchLink fieldCode="AR" term="%22Lin%2C+Hong-Cheu%22">Lin, Hong-Cheu</searchLink> – Name: TitleSource Label: Source Group: Src Data: Journal of Materials Chemistry C; 9/28/2024, Vol. 12 Issue 36, p14469-14484, 16p – Name: Abstract Label: Abstract Group: Ab Data: The first integration of dual slide-ring motion of [c2] daisy chain molecules (as backbones) and α-cyclodextrin (α-CD)-based polyrotaxanes (as cross-linkers) into mechanofluorophoric polyurethane (PU) frameworks was successfully proceeded through step-growth polymerization to yield PU films with distinctive mechanical and optical properties under stress. The intrinsic elastic and stretchable capabilities of the PU films consisting of both mechanically interlocked molecules (MIMs) via the molecular design of daisy chain backbones and polyrotaxane cross-linkers with long gliding movements were evidently enhanced, where the contributions of both extended/contracted forms in daisy chains and different α-CD numbers in polyrotaxane cross-linkers were also investigated. Moreover, reversible ratiometric fluorescence and energy transfer features between green-emitting naphthalimide donors and yellow-orange-emitting mechanofluorophoric rhodamine acceptors could be attained during stretching and relaxation processes. In addition, the stretching deformation of PU films was studied using X-ray diffraction (XRD) techniques for confirming the correlated morphological properties of stretching states in the oriented PU films. Appealingly, notable shape recovery and reversible ratiometric mechanofluorescence behavior of PU films could be achieved upon heating, signifying the potential of PU films with artificial molecular muscle functions of daisy chains accompanied by pulley effects of polyrotaxane cross-linkers, offering excellent mechanical and optical characteristics for various applications in advanced functional materials. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Group: Ab Data: <i>Copyright of Journal of Materials Chemistry C is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1039/d4tc01839g Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 16 StartPage: 14469 Titles: – TitleFull: Ultrahigh toughness of stretchable ratiometric mechanofluorescent polyurethane elastomers enhanced by dual slide-ring motion of polyrotaxane cross-linkers and daisy chain backbones. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Cuc, Tu Thi Kim – PersonEntity: Name: NameFull: Tso, Yun-Chen – PersonEntity: Name: NameFull: Wu, Ting-Chi – PersonEntity: Name: NameFull: Nhien, Pham Quoc – PersonEntity: Name: NameFull: Khang, Trang Manh – PersonEntity: Name: NameFull: Hue, Bui Thi Buu – PersonEntity: Name: NameFull: Chuang, Wei-Tsung – PersonEntity: Name: NameFull: Lin, Hong-Cheu IsPartOfRelationships: – BibEntity: Dates: – D: 28 M: 09 Text: 9/28/2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 20507526 Numbering: – Type: volume Value: 12 – Type: issue Value: 36 Titles: – TitleFull: Journal of Materials Chemistry C Type: main |
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