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Three different temperatures, i.e. below or above cloud point temperatures (<jats:italic>T<\/jats:italic><jats:sub>cp<\/jats:sub>s) of the copolymers, and under freezing condition, were utilized, affording thermoresponsive hydrogels with different morphologies and mechanical properties. At room temperature, transparent hydrogels were obtained through crosslinking among different copolymer chains. Differently, opaque hydrogels with much improved mechanical properties were formed at elevated temperatures through crosslinking from the thermally dehydrated and collapsed copolymer aggregates, leading to heterogeneity for the hydrogels with highly porous morphology. While crosslinking at freezing temperature synergistically through ice templating, these amphiphilic dendronized copolymers formed hydrogels with highly porous lamellar structures, which exhibited remarkable compressible properties as human articular cartilage with excellent fatigue resistance. Amphiphilicity of the dendronized copolymers played a pivotal role in modulating the network formation during the gelation, as well as morphology and mechanical performance of the resulting hydrogels. Through crosslinking, these dendronized copolymers featured with typical dynamic helical conformations were transformed into hydrogels with unprecedently stabilized helicities due to the restrained chain mobilities in the three\u2010dimensional networks.<\/jats:p>","DOI":"10.1002\/anie.202407552","type":"journal-article","created":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T10:23:41Z","timestamp":1716287021000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Compressible Hydrogels with Stabilized Chirality from Thermoresponsive Helical Dendronized Poly(phenylacetylene)s"],"prefix":"10.1002","volume":"63","author":[{"given":"Lefei","family":"Shen","sequence":"first","affiliation":[{"name":"International Joint Laboratory of Biomimetic and Smart Polymers School of Materials Science &amp; Engineering Shanghai University  333 Nanchen Road Shanghai 200444 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuexin","family":"Cao","sequence":"additional","affiliation":[{"name":"International Joint Laboratory of Biomimetic and Smart Polymers School of Materials Science &amp; 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