ArticleProceedings of the National Academy of Sciences of the United States of America2021
Molecular mechanism of abnormally large nonsoftening deformation in a tough hydrogel.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Transforming Fragile Hydrogel Chips Into Standardized Cartridges via Contact Line Pinning for Robust Microfluidics.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Confining chromophores by rigidification of polymer conformation for room-temperature phosphorescence hydrogels.Chemical science · 2026Review
- Unusually long polymers crosslinked by domains of physical bonds.Nature communications · 2025Article
- Metal-Coordinated Dynamics and Viscoelastic Properties of Double-Network Hydrogels.Gels (Basel, Switzerland) · 2023Article
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Authors and funding
9 authors.
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Abstract
Tough soft materials usually show strain softening and inelastic deformation. Here, we study the molecular mechanism of abnormally large nonsoftening, quasi-linear but inelastic deformation in tough hydrogels made of hyperconnective physical network and linear polymers as molecular glues to the network. The interplay of hyperconnectivity of network and effective load transfer by molecular glues prevents stress concentration, which is revealed by an affine deformation of the network to the bulk deformation up to sample failure. The suppression of local stress concentration and strain amplification plays a key role in avoiding necking or strain softening and endows the gels with a unique large nonsoftening, quasi-linear but inelastic deformation.
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