ArticleMacromolecules2025
Ultrahigh-Molecular-Weight Polymer Gels in Aqueous Media Using Cucurbit[8]uril-Assisted Radical Polymerization.
Article in Macromolecules, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Enhanced toughness in highly entangled hydrogelsMaterials horizons · 2026Article
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4 authors.
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Abstract
Ultrahigh-molecular-weight (UHMW) polymer materials show enhanced material properties due to entanglements and reduced polymer dynamics that occur at extreme degrees of polymerization. While various living controlled polymerizations have been explored for the synthesis of UHMW polymers, free-radical polymerization (FRP) remains limited for this application, given low initiation efficiencies and poor reproducibility. In this work, we exploit host-guest interactions between Cucurbit[8]-uril and the thermoinitiator VA-044 to down-regulate the number of active radicals during the radical polymerization of acrylamide (AAm). This approach produces UHMW polymers (up to 5.5 MDa) that form hydrogels in situ. We investigate various reaction parameters (e.g., the concentration of CB[8] and ratio of CB[8] to VA-044) and apply this strategy to other water-soluble monomers. Additionally, detailed rheological analyses of the materials show how upon exceeding a molecular weight of
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