ArticleACS central science2025
Tuning the Ultimate Strain of Single and Double Network Gels Through Reactive Strand Extension.
Article in ACS central science, 2025. 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.
- Boosting Natural Rubber Performance by Backbone Rigid Functionalization.Angewandte Chemie (International ed. in English) · 2026Article
- How Strand Continuity Governs the Toughness of Polymer Networks via Mechanophores.Polymer science & technology (Washington, D.C.) · 2026Article
- Cycloreversion-enhanced toughness and degradability in mechanophore-embedded end-linked polymer networks.Nature communications · 2026Article
- Revealing Hidden Length by Force: Decoupling Modulus and Toughness in Network Gels.ACS central science · 2025Article
Corrections and comments
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The stretchability (ability to be elongated) and toughness (capacity to absorb energy before breaking) of polymer network materials, such as elastomers and hydrogels, often determine their utility and lifetime. Direct correlations between the molecular behavior of polymer network components and the physical properties of the network inform the design of materials with enhanced performance, extended lifetime, and minimized waste stream. Here, we report the impact of the fused ring size in bicyclic cyclobutane mechanophores within the strands of polymer network gels. The mechanophores and their polymer strands share the same initial covalent contour length, whereas the capacity for reactive strand extension (RSE) is varied by changing the size of the ring fused to the cyclobutane from 5 to 12 carbon atoms. We observe the first evidence of covalent RSE effects in a single-network gel, and strands with greater RSE lead to gels with greater stretchability and toughness. The same qualitative correlation between molecular and macroscopic extension is also observed in DN hydrogels with mechanophores in the prestretched first network.
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Registered trials
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