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@ARTICLE{Xu:1026169,
      author       = {Xu, Jian and Wu, Baohu and Hou, Lei and Wu, Peiyi},
      title        = {{H}ydrogen {B}onding {C}ompetition {M}ediated {P}hase
                      {S}eparation with {A}bnormal {M}oisture‐{I}nduced
                      {S}tiffness {B}oosting},
      journal      = {Small},
      volume       = {20},
      number       = {36},
      issn         = {1613-6810},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2024-03322},
      pages        = {2401164},
      year         = {2024},
      abstract     = {Moisture usually deteriorates polymers’ mechanical
                      performance owing to its plasticizing effect, causing side
                      effects in their practical load-bearing applications.
                      Herein, a simple binary ionogel consisting of an amphiphilic
                      polymer network and a hydrophobic ionic liquid (IL) is
                      developed with remarkable stiffening effect after moisture
                      absorption, demonstrating a complete contrast to
                      water-induced softening effect of most polymer materials.
                      Such a moisture-induced stiffening behavior is induced by
                      phase separation after hydration of this binary ionogel.
                      Specifically, it is revealed that hydrogen (H)-bonding
                      structures play a dominant role in the humidity-responsive
                      behavior of the ionogel, where water will preferentially
                      interact with polymer chains through H-bonding and break the
                      polymer-IL H-bonds, thus leading to phase separation
                      structures with modulus boosting. This work may provide a
                      facile and effective molecular engineering route to
                      construct mechanically adaptive polymers with water-induced
                      dramatic stiffening for diverse applications.},
      cin          = {JCNS-4 / JCNS-FRM-II / MLZ},
      ddc          = {620},
      cid          = {I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-MLZ)KWSX-20231024},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {38700067},
      UT           = {WOS:001217133500001},
      doi          = {10.1002/smll.202401164},
      url          = {https://juser.fz-juelich.de/record/1026169},
}