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@ARTICLE{Hohlbein:276280,
      author       = {Hohlbein, N. and Shaaban, A. and Bras, Ana and
                      Pyckhout-Hintzen, W. and Schmidt, A. M.},
      title        = {{S}elf-healing dynamic bond-based rubbers: understanding
                      the mechanisms in ionomeric elastomer model systems},
      journal      = {Physical chemistry, chemical physics},
      volume       = {17},
      number       = {32},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2015-06741},
      pages        = {21005 - 21017},
      year         = {2015},
      abstract     = {While it is traditionally accepted that the chain
                      interactions responsible for the elastic response in an
                      elastomeric network are ideally permanent and
                      instantaneously active, the ongoing investigation of
                      self-healing materials reveals that the introduction of
                      self-healing properties into elastomers requires high
                      mechanical integrity under dynamic load conditions, while on
                      long timescales (or at extended temperatures), the chain and
                      bond dynamics must allow for an intrinsic repair of micro
                      cracks occurring during operation and aging. Based on an
                      acrylate-based amorphous ionomer model system with pendant
                      carboxylate groups allowing the systematic variation of the
                      composition and the nature of the counter ion, we
                      demonstrate the interrelation between the morphological,
                      thermal, and mechanical properties, and identify the
                      prerequisites and tools for property adjustment and
                      optimization of self-healing efficiency. While the ion
                      fraction is directly related to the effective network
                      density and elastic performance, the crossover frequency
                      between viscous and elastic behavior is influenced by the
                      nature of the counter ion. In order to achieve reliable
                      elastic response and optimal damage repair, the ion fraction
                      in these systems should be in the range of 5 $mol\%$ and the
                      chain dynamics should be appropriate to allow for excellent
                      self-healing behavior at moderate healing temperatures.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000359237800062},
      doi          = {10.1039/C5CP00620A},
      url          = {https://juser.fz-juelich.de/record/276280},
}