具有离子调制荧光和力学性能的砜键增韧多功能水凝胶。

IF 5.2 Q1 POLYMER SCIENCE

ACS Macro Letters Pub Date : 2025-09-09 DOI:10.1021/acsmacrolett.5c00511

Shujing Lei,Meng Huo

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引用次数: 0

摘要

砜键是一种新兴的偶极-偶极相互作用的砜基团。在此，砜键首次用于工程强韧水凝胶。将丙烯酰胺与砜功能化单体共聚制备了砜键增韧水凝胶。砜基团的整合在砜键和氢键之间建立了合作的超分子相互作用，赋予水凝胶以可定制的机械性能、热响应性和聚簇诱导荧光，这些都很容易通过改变单体组成来调节。此外，砜键独特的离子响应性使得这些水凝胶性质的离子响应工程成为可能。利用这些水凝胶的离子调制荧光和热响应跃迁，我们展示了它们在可重写信息显示应用中的潜力。这项工作为非共价增韧水凝胶提供了新的见解，并为设计基于砜键的超分子网络开辟了道路。

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Sulfone-Bond-Toughened Multifunctional Hydrogels with Ion-Modulated Fluorescence and Mechanical Properties.

Sulfone bonding is an emerging dipole-dipole interaction between sulfone groups. Herein, sulfone bonding is used for the first time for engineering tough hydrogels. Sulfone-bond-toughened hydrogels are prepared by copolymerizing acrylamide with a sulfone-functionalized monomer. The integration of sulfone groups establishes cooperative supramolecular interactions between sulfone bonding and hydrogen bonding, endowing the hydrogels with tailorable mechanical properties, thermoresponsiveness, and clustering-induced fluorescence, which are readily modulated by varying the monomer composition. Moreover, the unique ion-responsiveness of sulfone bonding allows ion-responsive engineering of these hydrogel properties. Capitalizing on the ion-modulated fluorescence and thermal-responsive transitions of these hydrogels, we demonstrate their potential for rewritable information display applications. This work provides new insights into noncovalently toughened hydrogels and opens avenues for designing supramolecular networks based on sulfone bonding.

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来源期刊

ACS Macro Letters 化学-

CiteScore

10.40

自引率

3.40%

发文量

209

审稿时长

1 months

期刊介绍： ACS Macro Letters publishes research in all areas of contemporary soft matter science in which macromolecules play a key role, including nanotechnology, self-assembly, supramolecular chemistry, biomaterials, energy generation and storage, and renewable/sustainable materials. Submissions to ACS Macro Letters should justify clearly the rapid disclosure of the key elements of the study. The scope of the journal includes high-impact research of broad interest in all areas of polymer science and engineering, including cross-disciplinary research that interfaces with polymer science. With the launch of ACS Macro Letters, all Communications that were formerly published in Macromolecules and Biomacromolecules will be published as Letters in ACS Macro Letters.