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To address this, we developed a hydrogel with superior lubrication and load\u2010bearing performance by selectively breaking bicontinuous microphase confinement on the hydrogel surface, in which the hydrogen\u2010bond association within the microphase is dissociated to release the confined polymer chains. The bicontinuous matrix acts as the load\u2010bearing phase, utilizing its percolated hydrophilic\/hydrophobic microphase interfaces for dissipation (elastic modulus \u223c417\u00a0MPa). The broken microphases form a brush\u2010like lubricating layer with strong hydration and entropic repulsion (coefficient of friction \u223c0.0029). This structure effectively reduces shear stress and blunts friction cracks to improve wear resistance, and the percolated hydrophilic phase maintains sustainable lubrication via self\u2010regeneration (coefficient of friction \u223c0.0034, 50 N load, 100k cycles). This system also exhibits a closed\u2010loop recycling, retaining 98.5% of its friction\u2010reducing capabilities even after 100 cycles of reuse. Among reported lubricating hydrogels, this system achieves the lowest coefficient of friction with the highest modulus. This strategy provides a sustainable, innovative solution for lubrication systems under extreme conditions.<\/jats:p>","DOI":"10.1002\/adma.202520620","type":"journal-article","created":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T08:06:21Z","timestamp":1766995581000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Selectively Breaking Bicontinuous Microphase Confinement for Sustainable and Unprecedented Superlubricating Hydrogels"],"prefix":"10.1002","volume":"38","author":[{"given":"Changmin","family":"Qi","sequence":"first","affiliation":[{"name":"State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics Chinese Academy of Sciences  Lanzhou China"},{"name":"Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences  Beijing 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