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@ARTICLE{Gold:839928,
      author       = {Gold, Barbara and Hövelmann, C. H. and Lühmann, N. and
                      Szekely, Noemi and Pyckhout-Hintzen, W. and Wischnewski, A.
                      and Richter, D.},
      title        = {{I}mportance of {C}ompact {R}andom {W}alks for the
                      {R}heology of {T}ransient {N}etworks},
      journal      = {ACS Macro Letters},
      volume       = {6},
      number       = {2},
      issn         = {2161-1653},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {FZJ-2017-07506},
      pages        = {73 - 77},
      year         = {2017},
      abstract     = {Controlling the mechanical behavior of novel supramolecular
                      materials is of the utmost importance and requires a
                      fundamental understanding of the underlying physical
                      processes. We present a multimethods approach to the
                      dynamics of entangled transient polyisoprene networks.
                      Small-angle neutron scattering (SANS) on randomly
                      functionalized chains shows homogeneous supramolecular melts
                      with Gaussian chain conformations. The H-bond lifetimes
                      (dielectric α*-process) and the rheological response in
                      terms of the loss modulus G″ differ by 2 orders of
                      magnitude in time. Within the concept of a compact random
                      walk (RW), where the random walker (urazole group acting as
                      a sticker) undergoes multiple returns to its starting point
                      and following the concept of theoretical proposed
                      renormalized sticky bond lifetimes, we quantitatively solve
                      this longstanding and unexplained large discrepancy: While
                      the bond opening gives rise to the dielectric response, for
                      rheological relaxation the association with a new partner is
                      relevant. This takes place only after multiple returns to
                      the original binding partner.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-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:000394732000002},
      doi          = {10.1021/acsmacrolett.6b00880},
      url          = {https://juser.fz-juelich.de/record/839928},
}