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@ARTICLE{Gold:808412,
      author       = {Gold, Barbara and Hövelmann, Claas and Weiss, Christine
                      and Radulescu, Aurel and Allgaier, J. and Pyckhout-Hintzen,
                      Wim and Wischnewski, Andreas and Richter, Dieter},
      title        = {{S}acrificial bonds enhance toughness of dual polybutadiene
                      networks},
      journal      = {Polymer},
      volume       = {87},
      issn         = {0032-3861},
      address      = {Oxford},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-02235},
      pages        = {123 - 128},
      year         = {2016},
      abstract     = {A new dual network elastomer is developed that consists of
                      polybutadiene crosslinked with both permanent and transient
                      bonds. The transient network is formed by the association of
                      urazole groups that are randomly attached to the polymer
                      backbone. Subsequent orthogonal covalent crosslinking
                      through hydrosilylation in the melt state leads to a dual
                      network with variable permanent and transient crosslinking
                      density. Small angle neutron scattering (SANS)
                      investigations show a homogeneous distribution of the
                      transient bonds in both the functionalized polymers and the
                      dual network products. The enhanced mechanical properties of
                      the dual networks compared to conventional polybutadiene
                      elastomers are characterized by stress–strain
                      measurements. The increased toughness can be explained by a
                      protective mechanism where the weaker supramolecular bonds
                      act as sacrificial bonds that dissipate energy},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      ICS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-1-20110106},
      pnm          = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000371353200014},
      doi          = {10.1016/j.polymer.2016.01.077},
      url          = {https://juser.fz-juelich.de/record/808412},
}