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@ARTICLE{Mihajlovic:829811,
      author       = {Mihajlovic, Marko and Staropoli, Mariapaola and Appavou,
                      Marie-Sousai and Wyss, Hans M. and Pyckhout-Hintzen, Wim and
                      Sijbesma, Rint P.},
      title        = {{T}ough {S}upramolecular {H}ydrogel {B}ased on {S}trong
                      {H}ydrophobic {I}nteractions in a {M}ultiblock {S}egmented
                      {C}opolymer},
      journal      = {Macromolecules},
      volume       = {50},
      number       = {8},
      issn         = {1520-5835},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2017-03439},
      pages        = {3333 - 3346},
      year         = {2017},
      abstract     = {We report the preparation and structural and mechanical
                      characterization of a tough supramolecular hydrogel, based
                      exclusively on hydrophobic association. The system consists
                      of a multiblock, segmented copolymer of hydrophilic
                      poly(ethylene glycol) (PEG) and hydrophobic dimer fatty acid
                      (DFA) building blocks. A series of copolymers containing 2K,
                      4K, and 8K PEG were prepared. Upon swelling in water, a
                      network is formed by self-assembly of hydrophobic DFA units
                      in micellar domains, which act as stable physical cross-link
                      points. The resulting hydrogels are noneroding and contain
                      75–92 wt $\%$ of water at swelling equilibrium.
                      Small-angle neutron scattering (SANS) measurements showed
                      that the aggregation number of micelles ranges from 2 × 102
                      to 6 × 102 DFA units, increasing with PEG molecular weight.
                      Mechanical characterization indicated that the hydrogel
                      containing PEG 2000 is mechanically very stable and tough,
                      possessing a tensile toughness of 4.12 MJ/m3. The high
                      toughness, processability, and ease of preparation make
                      these hydrogels very attractive for applications where
                      mechanical stability and load bearing features of soft
                      materials are required.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1 / JCNS (München) ;
                      Jülich Centre for Neutron Science JCNS (München) ;
                      JCNS-FRM-II},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218},
      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)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000400233000027},
      pubmed       = {28469284},
      doi          = {10.1021/acs.macromol.7b00319},
      url          = {https://juser.fz-juelich.de/record/829811},
}