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Here, a mechanically programmable ionogel based on choline chloride and poly(acrylic acid) (ChCl\u2010PAA) is presented, with CaCl\n                    <jats:sub>2<\/jats:sub>\n                    being a key structural modulator. Using a dynamically controlled salting\u2010out strategy, a crystal\u2010domain\u2013locking architecture is formed that enhances mechanical strength. The cooling rate governs the resulting microstructure and mechanical properties, rapid cooling at \u221220\u00b0C min\n                    <jats:sup>\u22121<\/jats:sup>\n                    generates numerous defective CaCl\n                    <jats:sub>2<\/jats:sub>\n                    lattices, that effectively induce interpenetration of PAA chains via coordination and establish localized \u201ccrystal locks\u201d, producing a rigid network (Young's modulus 448 \u00b1 14.21\u00a0MPa). Conversely, a slow cooling at \u22122\u00b0C min\n                    <jats:sup>\u22121<\/jats:sup>\n                    promotes the growth of large\u2010sized densely packed CaCl\n                    <jats:sub>2<\/jats:sub>\n                    crystals, reduces polymer\u2013crystal coupling, and yields to phase\u2010separated morphologies. Accordingly, the slowly cooled ionogel exhibits a remarkably high elongation at break (687 \u00b1 18%) and a markedly reduced Young's modulus (11.6 \u00b1 1.15\u00a0MPa). Overall, this dynamically controlled salting\u2010out strategy enables reversible hierarchical modulus regulation range spanning four orders of magnitude. This capability supports applications in reprogrammable adaptive devices, humidity\u2010driven energy harvesters, rapid\u2010response fire alarms, and bistable sensors that switch between rigid and ductile states. These findings provide a versatile design strategy for adaptive polymer\u2013inorganic hybrid systems with mechanically programmable strength, electrical conductivity, and multifunctional stimulus responsiveness.\n                  <\/jats:p>","DOI":"10.1002\/adma.202523597","type":"journal-article","created":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T11:04:43Z","timestamp":1774091083000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Mechanically Programmable Ionogels through a Dynamic Salting\u2010Out Strategy"],"prefix":"10.1002","volume":"38","author":[{"given":"Guohang","family":"Zhang","sequence":"first","affiliation":[{"name":"Jiangsu Co\u2010Innovation Center of Efficient Processing and Utilization of Forest Resources Nanjing Forestry University Nanjing China"},{"name":"International Innovation Center for Forest Chemicals and Materials Jiangsu Engineering Research Center of Fast\u2010growing Trees 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